2 of 2 Senior Systems Administrator Jobs in Northern Ireland

Associate Director - IT Recruitment GB and Ireland at MCS Group | Your Specialist Recruitment Consultancy MCS Group is seeking to connect with a Senior IT Systems Administrator for a brand-new entrant to the local market in Northern Ireland. The Senior Systems Engineer will be the first hire on the ground … client and will work specifically on a super interesting, complex project in a company which operates in a truly unique domain. This is a perfect opportunity for a senior IT Support professional who still wants to remain hands-on, work across servers, networks, security and advanced desktop support, while at the same time getting a career-defining … year contract and is fully on-site in the Greater Belfast area. Salary will range up to £85,000, depending on experience. The Role The Senior Systems Administrator will immerse themselves in a technical role encompassing Network Engineering, Server troubleshooting, Security, Storage and highly advanced technical support. Day-to-day you will have responsibility More ❯

exciting project. You’ll be joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences. What You’ll Do Maintain … and optimise Ubuntu-based Linux systems running in a private cloud environment. Monitor, troubleshoot, and improve performance across systems and services. Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability. Work on network infrastructure — including WireGuard tunnels, BGP configuration, and general network troubleshooting. Contribute to internal tooling (AMIs, automation, monitoring) and help shape … projects. Occasionally provide out-of-hours support as part of a shared rotation ( All within normal working hours Monday - Friday) What We’re Looking For Deep experience running Linux systems in production — especially Ubuntu. Confidence in managing, tuning, and troubleshooting relational and distributed databases. Strong understanding of networking concepts — experience with VPNs, routing, and security best practices. Comfortable working More ❯