DevOps & SysAdmin jobs

848 active listings · updated 2 hours ago

DevOps, SRE, cloud, and sysadmin freelance contracts: Docker, Kubernetes, AWS, Azure, Terraform, and infrastructure work for remote teams.

Live Chat Support Integration

via Freelancer Remote

I want to embed a real-time customer-support chat on my website so visitors can speak directly with our human agents. The focus is web only; no mobile or chatbot layer is required...

DevOps & SysAdmin
$250–750 Freelance

Reverse Engineering Security Pen Test

via Freelancer Remote

I want a specialist to pull my compiled application apart and probe it as an attacker would, using reverse-engineering techniques to carry out a full penetration test. The main obj...

DevOps & SysAdmin
₹1,500–12,500 Freelance

Secure VPS & Litecoin Node Setup

via Freelancer Remote

I’m starting from scratch and need someone to provision a brand-new VPS, harden it, and turn it into a rock-solid home for a Litecoin full node and my Telegram trading bot. You ma...

DevOps & SysAdmin
$30–250 Freelance

Yeti VoIP Platform Expert Needed

via Freelancer Remote

Freelancer Required: Yeti Installation, Configuration & Training ### Project Title **Yeti VoIP Platform – Installation, Configuration, and Training** ### Project Description We...

DevOps & SysAdmin
₹1,500–12,500 Freelance

Optimize Proxmox Mail Gateway

via Freelancer Remote

I have a brand-new Proxmox Mail Gateway standing in front of my self-hosted Postfix server on Linux, and I want it locked down and tuned so far less spam ever reaches the inbox. I’...

DevOps & SysAdmin
$10–30 Freelance

Configure Redundant ASA5506 VPN

via Freelancer Remote

My Cisco ASA 5506 already runs a stable site-to-site VPN; I now want a second tunnel at the same location so I can keep working even if the main link drops. The backup circuit will...

DevOps & SysAdmin
$250–750 Freelance

Shield Apache Sites From Bots

via Freelancer Remote

Our sites sit behind Cloudflare and currently suffer from sudden traffic spikes that end in 524 timeout errors. The common pattern is a flood of abusive requests—sometimes pure scr...

DevOps & SysAdmin
A$30–250 Freelance

Flash Bitcoin Generator Webapp

via Freelancer Remote

I need a web application that lets a user spin up a brand-new, Bitcoin-based coin in seconds. The core workflow should: • Fork the current Bitcoin Core codebase behind the scenes,...

DevOps & SysAdmin
$250–750 Freelance

Jarvis-Style Dealership Platform Build

via Freelancer Remote

I am building an interactive roadmap—think Jarvis from the movies—that lets staff and customers glide through every step of our dealership’s operations. The first milestone is a fu...

DevOps & SysAdmin
$5,000–10,000 Freelance

GitHub Specialist

micro1 via Himalayas Worldwide

Role Title: GitHub Specialist Role Type: Contractor Location: Remote micro1 is engaging GitHub Specialists to support a customer project focused on completing and documenting real-...

DevOps & SysAdmin
$90–175 Contract

ASP.NET Core API Service Build

via Freelancer Remote

I need a brand-new API service written in ASP.NET Core that runs against SQL Server. From the ground up it must cover three core areas: secure user authentication (preferably JWT-b...

DevOps & SysAdmin
$30–250 Freelance

Windows 11 Golden Image -- 2

via Freelancer Remote

I need one pristine, production-ready golden image for our vSphere 8.0 environment. The guest OS must be Windows 11 25H2, fully patched, stripped of bloatware, and optimised with V...

DevOps & SysAdmin
Hourly project Freelance

Experienced Android/AOSP System Engineer needed

via Freelancer Remote

Build HASH (#) OS — a new smartphone operating system by Fly Frisson. We need an experienced Android/AOSP system engineer to build our first bootable prototype on real smartphone h...

DevOps & SysAdmin
₹37,500–75,000 Freelance

PHP 8.1 Server Upgrade

via Freelancer Remote

My production server is still running PHP 7.x and I’m ready to move it to PHP 8.1. The box hosts only a set of custom-built PHP scripts—no WordPress, Laravel, or other frameworks—s...

DevOps & SysAdmin
$10–30 Freelance