Netzwerkadministratoren Jobs

I need a Japanese national DID or any other VOIP number that can reliably forward calls to my chosen destination. The line will serve both personal and business purposes, so stability, clear audio and the ability to register the caller ID on common soft-phone or SIP devices is essential. Please supply, activate and demonstrate the number working via simple call-forwarding within the shortest possible time; my preference is ASAP. If you already have an inventory of Japanese DIDs, even better—let me know the formats available and any documentation requirements. Acceptance is straightforward: once I can receive and place test calls through the number without drops or quality issues, the milestone is cleared.

Project Overview: I am currently constructing a 4,500 sq. ft. custom home and need a comprehensive Low Voltage Design & Wiring Schedule. I am looking to design a "Rough-In Plan" that I can hand to my electrician/cabling installer. I have a strong preference for the Ubiquiti (UniFi) ecosystem for networking and security. Scope of Work: Home Network (Ethernet/Wi-Fi): Design a robust Ubiquiti UniFi network topology. Determine optimal Wireless Access Point (AP) placement for coverage across three floors + outdoor areas. Plan CAT6a drop locations for TVs, office workstations, and backhaul. Whole House Audio: Design wiring zones for multi-room audio (in-ceiling/in-wall speakers). Designate "Home Run" locations to a central rack/AV closet. Recommend speaker place...

I need a capable network engineer who can spend a full working day at my client’s premises acting as our hands-on field resource while my remote team carries out all configuration tasks. Your focus will be purely physical: rack-mounting the servers, switches, and firewalls; dressing and labeling power and Ethernet runs; attaching console and management leads; then powering everything up so we can reach it remotely. Once each device is live you’ll run quick sanity checks—simple pings, basic connectivity, and a printer test—to confirm the build is progressing as planned. Desktops and laptops must join the network without issue, and at least one printer needs to produce a clean test page before you leave. I’ll supply a clear step-by-step build guide and remain ...

We are seeking a reliable IT team to support our medical centre with comprehensive, end-to-end IT services. This would include setting up, managing, maintaining, and regularly updating all aspects of our IT infrastructure, including networks, servers (on-site and / or cloud-based), workstations, computers, printers, and all connectivity systems. We require ongoing management of firewalls, cybersecurity protections, antivirus and anti-malware systems, data encryption, secure remote access, backups and disaster recovery solutions, and proactive monitoring to prevent downtime. Support would also cover software installation and updates (including clinical and practice management systems - Best Practice), email systems, cloud services, data storage, compliance with healthcare data protection re...

We are seeking a reliable IT team to support our medical centre with comprehensive, end-to-end IT services. This would include setting up, managing, maintaining, and regularly updating all aspects of our IT infrastructure, including networks, servers (on-site and / or cloud-based), workstations, computers, printers, and all connectivity systems. We require ongoing management of firewalls, cybersecurity protections, antivirus and anti-malware systems, data encryption, secure remote access, backups and disaster recovery solutions, and proactive monitoring to prevent downtime. Support would also cover software installation and updates (including clinical and practice management systems - Best Practice), email systems, cloud services, data storage, compliance with healthcare data protection re...

I need a MeshCentral/Windows systems engineer to optimize a Windows 11 lab remote-support setup. When Secure Exam Browser (SEB) enters protected mode, remote desktop may go black (expected). I need a compliant solution: stable agent deployment, correct permissions/consent, TLS/relay configuration, and a documented pre-exam support workflow + troubleshooting checklist. No bypass of SEB protections. Deliverables: working MeshCentral config, agent install package/script, and step-by-step documentation.” I am looking for a Windows Systems Engineer to help configure a MeshCentral server for advanced remote support. We are experiencing an issue where the remote screen goes blank when the client system switches to an isolated/secure desktop session (such as UAC prompts or custom secure shel...

I need a custom ELRS (ExpressLRS) solution for drone control, utilizing an STM microcontroller instead of the original MCU. Key requirements: - Improved range - Enhanced security - Dual band - Mesh networking capabilities Ideal skills and experience: - Proficiency in STM microcontrollers, especially STM32 - Strong background in RF communication and protocols - Experience with drone control systems - Knowledge of security implementations in wireless networks - Familiarity with mesh networking technology Please provide relevant experience in your bids.

Hi, I have a domain for which I am using hostgator as a hosting provider, I want to change the hosting to my dedicated server. My domain registrar updated the SOA to my server IP but the domain is not resolving. Need urgent help. Thanks VIdhya Sagar dixit

I need an experienced VoIP specialist to configure my on-premises Polycom phones for use with RingCentral. Key requirements: - Configure SIP settings, network settings, and user extensions specifically for RingCentral integration. - Ensure all phones are fully operational and can seamlessly connect to RingCentral services. Ideal skills and experience: - Expertise in configuring Polycom VoIP phones. - Proficiency with RingCentral and understanding of its specific configuration requirements. - Strong networking knowledge to handle any required network settings adjustments. - Prior experience with on-premises VoIP systems is a plus.

Saya mencari seorang ahli jaringan yang dapat menyusun proposal komprehensif untuk peningkatan infrastruktur jaringan kami, dengan penekanan khusus pada kecepatan dan kinerja. Lingkup yang saya butuhkan meliputi: • Audit singkat kondisi jaringan saat ini (topologi, perangkat aktif, jalur komunikasi). • Rekomendasi teknis peningkatan – perangkat keras, konfigurasi, dan arsitektur yang diusulkan. • Proyeksi peningkatan throughput serta metrik performa lain yang relevan. • Estimasi biaya perangkat & lisensi beserta timeline implementasi bertahap. • Rencana mitigasi risiko dan strategi rollback bila diperlukan. Proposal harus ditulis jelas, mudah dipahami tim manajemen non-teknis, namun tetap menyertakan detail teknis yang cukup untuk tim TI i...

I operate two offices and I purchased two UniFi UDM Pro, and I want them linked so that staff can reach internal resources from either location as if they were on the same LAN or to work remotely (VPN access). Nothing is in place yet, so the full security stack must be designed and deployed from scratch. Scope of work • Build and test a site-to-site VPN between the two UDM Pros for seamless remote access. • Create granular firewall rules that allow only the traffic we specify while blocking everything else. • Enable and tune UniFi’s intrusion-detection/prevention features to catch unwanted activity without flooding us with false alarms. • Document every setting—screenshots or exported configs—so I can replicate or restore the setup if needed. ...

Project Description: We are seeking an experienced Network Engineer with specific expertise in the Ubiquiti UniFi ecosystem to help us migrate our user authentication and access control from a traditional Active Directory (AD) environment to UniFi Identity (Standard or Enterprise). The primary goal is to centralize user management directly within the UniFi firewall/console, allowing us to decommission our Windows-based Active Directory while maintaining secure, role-based access to our network resources. Scope of Work: UniFi Identity Setup: Configure UniFi Identity (UID) on our UniFi Cloud Gateway. User Migration/Creation: Assist in migrating existing users or setting up a new user directory within UniFi Identity. Authentication Replacement: Set up One-Click WiFi (Radius-less or WPA-Ent...

I need an experienced field engineer to spend a day on-site installing and bringing online new network hardware. Your main focus will be on routers and switches: rack them, stack them, power them up, run the patch cables exactly as shown in the diagrams I will share, then attach a console lead so my remote team can verify access. While you are there, please handle light break/fix tasks for the end-user area—simple checks on desktops, laptops, printers, or imaging stations to keep everyone productive during the change window. Nothing in-depth, just the typical cable reseats, peripheral swaps, and basic diagnostics. Deliverables – Routers and switches correctly mounted, powered, patched, and reachable via console from our NOC. – Quick photo log (front and back) of eac...

I need help with the installation and configuration of PowerMTA 6.0r2. Ideal skills and experience: - Expertise in PowerMTA - Strong background in email server setup - Familiarity with email delivery protocols Please provide a detailed bid including your experience and timeline.

I need an experienced network engineer to spend one full day at a data-center site acting as my hands-on field presence while my remote team drives the configuration. Your focus will be purely physical: racking and mounting Cisco, HP, and Dell switches, servers, and firewalls; dressing both power and copper/fiber runs neatly; then powering everything up so we can reach it remotely via the console or management ports. Once devices are live, you’ll run quick-hit checks—basic pings, uplink and printer connectivity, plus a test print from each printer—to be sure the new gear and the existing workstations all join the network without surprises. I will supply a clear, step-by-step build guide and remain online to answer questions in real time. Deliverables: • All specifi...

I'm seeking a contractor with deep expertise in Microsoft Active Directory Certificate Services (ADCS) to help us properly configure and stabilize our internal Certificate Authority. Current State: - Fully configured but unstable. Key Issues: -Enterprise CA configuration and hardening -Certificate template design (Kerberos Authentication, Computer/Wi‑Fi, NPS/RADIUS) -Integration with NPS for EAP‑TLS and Wi‑Fi/VPN authentication -Ensuring domain controllers receive and renew the correct Kerberos Authentication certificates -General PKI best practices and remediation Ideal Skills and Experience: - Extensive experience with ADCS. - Strong troubleshooting skills. - Ability to configure and optimize certificate templates. - Familiarity with Active Directory and related services. Your ...

I'm seeking a skilled technician to replace a UPS with a new APC UPS in an office network environment. Currently, we're facing battery failure issues. Key Tasks: - Assess the existing UPS setup - Replace the faulty battery - Test and ensure proper functionality post-repair Ideal Skills and Experience: - Experience with APC UPS systems - Background in office network environments - Strong troubleshooting skills

I'm seeking an experienced IT professional to assist with hardware repair and maintenance for our small business network for a small business based in Kendal, England. Provider needs to be based in Cumbria. Key Requirements: - Setup and maintain a small business network - Repair and maintain computers and peripherals Ideal Skills: - Network setup and maintenance expertise - Strong hardware repair skills, particularly with computers and peripherals - Experience working in a small business environment Please provide relevant experience in your bid. Looking forward to your proposals!

I need a proven Airtel Black SIP configuration running on my Ubuntu machine and handled through Linphone. The goal is a clean, documented initial setup—no trial-and-error learning on my system, please. If you have already registered an Airtel SIP trunk on Linux, you’ll know the exact registrar format, the unusual port mapping Airtel uses, and the little tweaks that keep audio flowing both ways behind NAT. Here’s the workflow I’m expecting: • Install or verify the latest Linphone and any required dependencies on my Ubuntu box. • Register the Airtel Black SIP account, applying the correct proxy, authentication string, and codec priorities. • Prove the setup with at least one inbound and one outbound call (I can join you on a test call). •...

My network edge relies on a Sophos XG appliance and a Fortinet FortiGate unit. Both devices are in production, but their current configuration is a mix of legacy rules and quick fixes that now interfere with performance and security. I want a seasoned firewall engineer to step in, examine every setting, correct what is wrong, and design a clean, least-privilege rule base. Scope of work • Configuration – back up the existing setups, remove or refine redundant rules, and align all interfaces, NAT, VPN, IPS and logging options with best-practice guidelines for Sophos SFOS and FortiOS. • Troubleshooting – identify and eliminate the intermittent drops we see on site-to-site VPN and outbound web traffic. Validation must include live traffic tests and log review. &bul...

I operate a cluster of Windows Server 2019 machines and need an experienced set of hands to keep everything running smoothly. Your focus will be three-fold: maintaining the servers themselves, getting our Veeam Backup & Replication environment dialled-in, and stepping in whenever a network hiccup or whitelist request appears. On the Veeam side I already have repositories in place; what’s missing is a clean, reliable backup configuration and the regular monitoring that guarantees every job finishes without warning bells. Restoration testing and documented recovery steps will be part of the routine so we can prove our RPO/RTO targets at any moment. Networking support centres on troubleshooting issues as they arise and processing whitelist updates for partners and applications tha...

Part-Time Technical Tester (Windows/Linux/Ubuntu) – Screen Recording + Voice We are hiring a tech-savvy tester based in India to test our Kinivo Bluetooth USB adapters (BTD500, BTD400, BTD-LR-530) across Windows, Linux, and Ubuntu. The role involves checking compatibility, identifying whether drivers are required, installing drivers when needed, and clearly recording and explaining the entire process through screen recordings with voice narration. We’re looking for someone comfortable troubleshooting systems who can communicate clearly in fluent English and present steps professionally on video. Responsibilities: - Test adapters on Windows, Linux, and Ubuntu - Verify plug-and-play support, pairing, and stability - Install drivers (if required) and explain the process - Record...

I need an experienced Windows specialist to jump in remotely and keep my small network running smoothly. The environment spans Windows Server 2016, Windows Server 2019 and a handful of Windows 10 workstations. Typical assignments range from one-off fixes to short configuration sprints, so I’m looking for someone who can respond quickly, diagnose accurately and document any changes made. Scope of work Over the coming weeks I expect help with: • Service configuration – DNS, Active Directory, and File & Print Services • Issue troubleshooting – anything from failed roles or features to odd workstation errors • Performance and security checks – tightening policies, reviewing event logs, tuning resources You will connect via remote session (VP...

engo que hacer un proyecto en Packet Tracer sobre la conexión de redes de la empresa COCACOLA, el proyecto consta de 3 lans que se conectan para hacer una WAN esta la lan matriz de 4 pisos, la lan sucrusal de 2 pisos y la lan fabrica El data center de la empresa se encuentra en la matriz en el segundo piso, en la matriz cada piso tiene su propio DIF, en la sucursal hay un único DIF para los 2 pisos El proyecto debe ser escalable, debe tener costo-beneficio adecuado, debe tener redundancia para las seguridad. Matriz: Piso 1: 6 pc (1 pc pertenece a la venta de helados y vigilancia de inventario, 1 pc de gestión de panaderia y vigilancia del mostrador, 2 pc de autogestión para que el empleado pueda visualizar sus roles y turnos, 2 pc estacion de logística ...

Heavy bursts of visitors are knocking my landing page offline. Each spike fills the nginx error log with 2026/02/09 20:32:47 [error] 949181#949181: *409046 connect() to unix:/var/run/php/ failed (11: Resource temporarily unavailable) while connecting to upstream, client: , server: , request: "GET /pW321xkxUy/?zoneid=9843359 HTTP/1.1", upstream: "fastcgi://unix:/var/run/php/:", host: "" I’ve confirmed the trigger is a high number of simultaneous users, not bots or unusual request types. What I need—urgently—is a Linux-savvy engineer who can stabilise the stack so the site stays up no matter how fast traffic arrives. Stability and uptime are my top priorities; raw speed tweaks are welcome only if they don’t compromise resilience. You...

I need help installing Isaac Sim and Isaac Lab on Ubuntu for robotics simulation. Requirements: - Set up dependencies - Configure settings - Troubleshoot any errors You can use the latest or whatever works best versions. Ideal Skills and Experience: - Proficiency in Ubuntu - Experience with Isaac Sim and Isaac Lab - Strong problem-solving skills

I need an experienced low voltage technician to install a data network in a commercial building. ON SITE in USA The installation will include: - Ethernet Cabling - Network Switches - Patch Panels Ideal skills and experience: - Proficiency in low voltage cabling - Experience with commercial data network setups - Knowledge of networking equipment and installation Please provide relevant experience in your bid.

My Panasonic Ns500 PBX sits on but cannot “see” the rest of my network. Everything else flows through a FortiGate 60F firewall, a FortiSwitch 424E-Fiber core, and a FortiSwitch 124F-FPOE at the edge. I need someone to shape the network so this Panasonic box can handle VoIP communication smoothly. What I already know • The PBX will run pure SIP. • Dedicated VoIP rules on the FortiGate are required; simple, generic access is not enough. What I need from you • Review the current FortiGate policy set, VLAN layout, and switch port profiles. • Create or adjust firewall rules, NAT, and any SIP ALG or helper settings so that SIP registration, signalling, and RTP streams pass without one-way audio or dropped calls. • Tag or untag the appropriate swi...

I’m in the middle of an ongoing project and have run into a few stubborn issues that I can’t resolve on my own. What I need right now is straight-forward technical support with a strong focus on troubleshooting. The exact fault lines aren’t fully mapped yet—that’s why I’m turning to someone who’s comfortable methodically isolating problems, testing hypotheses, and guiding me to a clean resolution. Here’s how I picture the engagement: • You jump on a quick call or chat to gather environment details and replicate the failure. • We narrow down root causes together—whether the culprit ends up being code, configuration, network quirks, or even a hardware hiccup. • You document each fix or workaround as you go so I can re...

我将在美国孟菲斯办公室进行为期两周的端点安全集中部署，需要你全程驻场并以中英双语与当地 IT 团队顺畅沟通。现场环境主要是 Windows 桌面与 Windows Server，而我尤为看重你在 Windows Server 场景中的部署经验。 本次项目聚焦三大产品——ESET、Bitdefender 以及 Dynarose 微隔离。你必须熟练掌握它们的安装、激活、策略下发与故障排查流程，并能同时维护两套独立的管理控制台。 核心工作 • 现场盘点全部桌面、服务器与关键工作站 • 为每台设备完成 ESET 与 Bitdefender 的安装、激活并接入各自控制台 • 在控制台监控实时保护与病毒库更新状态，排除告警 • 部署 Dynarose 微隔离规则，立即验证跨分区访问控制效果 • 执行功能测试，确保自动更新、实时防护与隔离策略均运行正常 • 快速定位并解决任何兼容性或网络连通问题 • 编写简明交接文档（关键配置、恢复方法等），并通过现场演示完成交付 验收标准 1. 所有设备已正常连入 ESET 与 Bitdefender 控制台，无警报 2. Dynarose 规则在关键服务器与工作站上生效，跨分区访问受控 3. 交接文档完整，现场演示通过 申请须知 – 请简要说明你以往在 Windows Server 环境中实施 ESET、Bitdefender、Dynarose 的实际经验 – 提供可赴孟菲斯现场的具体日期 – 英语口语须流利，能够与本地团队无障碍沟通 符合条件且可按期到场的工程师请尽快联系，我会与合适人选进一步确认行程与细节。

I run several production VMware Cloud Foundation environments and need hands-on help keeping them healthy day after day. The main focus is operational work: lifecycle management through SDDC Manager, workload-domain maintenance, patching, upgrades, monitoring, and rapid incident response across vCenter, NSX-T, vSAN, and related components. You will act as my Technical Adoption Manager, becoming the primary technical point of contact for both the customer and our internal stakeholders. That means owning troubleshooting when things break, guiding best-practice configuration changes, and translating business requirements into clear technical actions during our regular cadence calls. Deliverables • Daily operational support during agreed coverage hours • Prompt resolution of in...

Project Description My current production workload runs entirely on AWS EC2, and while usage grows, monthly costs are increasing and application response times are degrading. I’m looking for an experienced AWS / DevOps engineer to perform a data-driven infrastructure audit and recommend optimizations. The engagement will begin with a deep-dive assessment of the existing environment, followed by a cost- and performance-balanced architecture proposal. All findings must be supported with measurable evidence, not assumptions. Phase 1 — Infrastructure Audit The audit should cover: EC2 CPU, memory, and disk I/O utilization Database behavior and performance (MySQL) Network flow and latency analysis CloudWatch metrics and logs review Identification of bottlenecks, ...

I need help connecting my already installed wired security cameras to my WiFi router at home. Ideal Skills and Experience: - Experience with wired security camera systems - Knowledge of WiFi network setup and configuration - Ability to troubleshoot connectivity issues - Prior work with home security systems is a plus

I’m moving our entire virtual infrastructure from VMware vCenter to Proxmox VE, with hardware split between two sites—Miami and Tampa. The work is intentionally staged: Phase 1: Home-lab proof of concept A compact Proxmox cluster will be stood up in my lab, then loaded with a handful of representative VMs. Stability is the single most important measure here; the cluster must stay up, handle live migrations, run backups, and survive node reboots without dropping workloads. Clear documentation of the build and any tweaks you make is expected so I can reproduce the setup if needed. Phase 2: Production roll-out Once the lab proves rock-solid, we replicate the design in both datacenters. The end goal is better management—specifically, a single pane of glass that centrali...

Desktop / System Engineer – Onsite (1-Day Assignment) We are seeking a hands-on Desktop or System Engineer to be onsite at a client location for one full day to support a small IT infrastructure refresh. You will act as the onsite engineer while a remote technical team remains on standby. Your primary responsibility will be to rack, cable, power up, and patch IT and network equipment (servers, switches, firewalls, desktops, and printers) strictly according to the diagrams and instructions provided in advance. You will also connect console or management cables to enable remote engineers to complete configuration tasks. Before wrap-up, you will perform basic end-user computing (EUC) checks, including light troubleshooting for desktops, laptops, and printers—verifying network c...

My iPhones and several smart-home devices have almost certainly been compromised. Unexplained behaviour, network slow-downs and repeated password lockouts suggest an active intrusion that I have not been able to stop remotely. I need an experienced cyber-security professional to visit in person, trace the breach and leave every device—and the Wi-Fi network itself—clean, secured and fully documented. What I expect during the visit • A thorough forensic check of each affected iPhone and the smart-home hub/gear, including router or mesh nodes you judge relevant. • Immediate containment and removal of any malicious profiles, apps, firmware or network configurations you uncover. • Clear advice on whether each device can be salvaged or should be replaced, follow...

We are looking for an experienced developer to build a small Linux utility that communicates with a U.2 NVMe SSD over SMBus (NVMe-MI). The project involves low-level hardware and software work, not application development.

My Squarespace site is fully built; I simply need the domain to resolve correctly without moving nameservers away from Cloudflare. I want a specialist who can help guide me to update my Cloudflare dashboard, add or adjust the required A and CNAME records that Squarespace specifies, wait for propagation, and confirm the green-light connection inside Squarespace. Key points
 • Cloudflare must remain the authoritative nameserver – please do not touch that setting. • Only A and CNAME records are involved; no MX or other entries need to change. • The Squarespace side is ready, so the task ends when the “Connected” status appears and the site loads over both root and www. Please let me know your estimated turnaround and any brief details you need to s...

L2 support handles escalated issues that L1 (General Helpdesk) cannot solve. It requires a deeper understanding of the specific software, hardware, or network infrastructure. L2 technicians don't just follow a script; they use logic, diagnostic tools, and experience to find the root cause of an issue. 1. Key Responsibilities Escalation Management: Taking over complex tickets that L1 could not resolve within a specific timeframe. Advanced Troubleshooting: Handling "break-fix" issues involving OS configuration, hardware failures (like your MBD issues), and complex software bugs. On-Site & Remote Support: Often involves remote desktop sessions or physically visiting a workstation to swap out components. Root Cause Analysis (RCA): Instead of just "restarting" a...

I’m looking for an experienced Wireless Network / IoT Engineer to help me design the correct setup for a solar-powered wireless IP camera. We already have the camera and solar panel, but we are struggling to select and combine the correct access point / antenna / network components to make everything work reliably. The task includes: • Recommending the correct access point or wireless bridge • Ensuring compatibility with a solar-powered camera • Advising on power consumption • Verifying range, stability, and bandwidth • Optional: diagram of the final setup No physical installation required, only remote consulting and hardware recommendation.

I have between two and ten new workstations that need to be taken from boxed parts to fully-operational machines. Every unit already has its CPU, motherboard, RAM, storage drives, graphics card, and standard peripherals on hand; I just need a reliable technician to install and configure them correctly. Once the hardware is in place I’d like you to load the operating system and the core software applications we use so that each computer boots straight into a ready-to-work environment. Driver updates, basic BIOS tweaks, and any firmware required for stability are expected as part of the job. The installation will take place on-site, and I’ll supply all components, licences, and network credentials. You bring the tools, know-how, and a methodical approach that leaves every machi...

I’m completing a networking and security module at school and the current assignment requires a fully-configured Cisco Packet Tracer project. If you’ve tutored or prepared Packet Tracer or such kind of assingment please help me

I have a 24U floor-standing network cabinet that needs to be installed in an office suite a few minutes from Boston Logan Airport. The cabinet will hold a stack of networking switches along with several patch panels, so stability, grounding, and clean cable management are critical. Here’s what I need from you: • Unbox, assemble, and anchor the 24U floor cabinet securely on the designated spot. • Mount and secure the switches and patch panels (all hardware is on-site). • Dress, bundle, and label the copper patch leads to maintain clear airflow and a professional finish. • Verify grounding and test basic connectivity once everything is in place. • Leave the area tidy and haul away packing material. Acceptance criteria: the cabinet must sit level, doo...

I need help with a cloud security design lab homework assignment on Azure. The focus is on Identity and Access Management (IAM) and Role-Based Access Control (RBAC). Requirements: - Design a secure Azure environment. - Emphasize IAM and RBAC. - Include diagrams and explanations. Ideal skills and experience: - Expertise in Azure security. - Strong knowledge of IAM and RBAC. - Experience with technical documentation and design diagrams. Please provide a detailed proposal with your credentials and approach.

I need help setting up my newly purchased Bitcoin miner to work with public pool mining and connect to my Bitcoin Core node. Ideal skills and experience: - Experience with Bitcoin mining - Familiarity with public mining - Knowledge of Bitcoin Core setup and configuration - Technical troubleshooting skills

Upgrade the pfss and rebuild the cluster with recovery group of 8 pfss servers,it's urgent requirement

My security cameras stopped showing live video and recorded footage on the monitoring app. The wiring and power seem fine, so I’m convinced the problem sits on the software side—likely a mis-configuration or corrupted firmware. I need someone who can jump in quickly, diagnose the software fault, and get every camera streaming and recording again without wiping my existing footage or settings. You should be comfortable with typical NVR/DVR interfaces, remote desktop tools, and updating or rolling back firmware when necessary. Once the feeds are restored, I’d like a short explanation of what went wrong and the steps you took so I can avoid the same outage in future.

Project Overview This proof-of-concept will demonstrate a regulator-grade, fully secured VPC hosting a central authority and multiple financial-institution tenants, while automating supervision and compliance checks using native AWS services. Scope The environment will be logically segmented into public and private subnets for each participant. The central authority resides in its own network segment and can observe, query, and enforce policies across all other institutions without exposing sensitive resources publicly. Key Services AWS Lambda for event-driven oversight logic and scheduled compliance sweeps AWS RDS for the authoritative supervisory data store AWS S3 as the immutable audit and reporting repository Security & Compliance Networking, IAM, logging, encr...

We are currently looking for freelance Network Engineers in your city to support ongoing onsite requirements for our customers and act as the eyes and hands for the remote configuration team. Typical visit • Arrive at the customer location, meet the local contact, and review the work order • Rack, stack, and cable routers, switches, firewalls, or wireless access points exactly as marked on the network diagram. • Power on the gear, provide console access back to our remote engineers, and stay on-site while they push the configs and run their tests. • Perform basic physical troubleshooting if something doesn’t light up as expected and coordinate with the remote team until sign-off. What you need to bring Your own laptop, a console cable, and any basic hand tools y...

I have, 40-core machine with 1 TB of RAM that needs to be turned into a practical development box for my team. The goal is to have both Windows Server and Ubuntu Server installed side-by-side, each ready for daily coding, testing, and collaboration. Here’s what I need from you: • Plan and carry out the installation of the two operating systems, making sure they coexist cleanly (dual-boot, virtualization, or any proven approach you recommend). • Partition and configure storage so that each OS has ample, clearly labeled space. • Enable remote access for multiple developers, with sensible user and permission settings already in place. • Apply baseline security hardening and system updates so we start from a solid, up-to-date foundation. Once finished, I s...