Linux Systems Admin jobs in Northern Ireland

You will collaborate with development and application support teams to troubleshoot message flows and resolve integration issues, whilst overseeing capacity planning, scaling and tuning of Solace infrastructure to meet both current and future operational demands, automating wherever possible.

You will work closely with HRPTS Officers and the System Manager, providing advice and support to managers and staff on a range of OM and system access issues.

At Rapid7, the Senior Systems Administrator plays a key role in managing the organization’s global infrastructure by supporting identity platforms, SaaS applications, endpoints, and on-premises and cloud server environments. The Systems Administration function is pivotal to maintaining a secure and scalable infrastructure. It involves owning the complete identity stack—from administering core...

Your newpany Yourpany Join a leading force in structural engineering, where innovation meets craftsmanship. With a proud legacy of transforming skylines across the UK and Europe, our team in Ballinamallard is looking for a talented IT System Administrator to help power our digital infrastructure. Your RoleAs our IT System Administrator, you’ll be at the heart of our operations, ensuring our...

Job Description Senior Platform Engineer (Oracle Cloud Infrastructure - OCI) Duration: 6 Months Location: Manchester & remote (hybrid) Rate: £760 per day IR35 Status: Inside Start: ASAP Role Overview: We're currently recruiting for an experienced Senior Platform Engineer with excellent OCI experience (Oracle Cloud Infrastructure) for our higher education client. This role is to support and...

You will work alongside Software Development, Product and Operations teams to identify and eliminate constraints in the product life cycle.

You will help to develop monitoring and alerting for AWS deployed platforms and software to support sustained and reliable availability of internal and production systems.

You will design and develop software for interface and/or webservices to integrate different utility systems. Key Skills/ Screening QuestionsEnergy Management System, Solution Integrator, ESB, Middleware 1. Have you worked on integrating with ESB/IBUS technologies with 5+ years' experience?

Senior Data Engineer | Remote (UK or Europe) A leading prop trading firm is hiring a Senior Data Engineer to take ownership of their trading and market data infrastructure. Operating globally with connectivity to dozens of exchanges, the firm executes millions of trades daily with data playing a mission-critical role in every aspect of the business. This is a high-impact, high-autonomy role in...

The Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming, and security tool development. We ensure the security...

Permanent | Space Systems | Hardware, Autonomy, and Innovation Increase your chances of an interview by reading the following overview of this role before making an application. We're supporting a pioneering deep-tech company building autonomous spacecraft systems that can sense, think, and act independently in orbit. Their technology is redefining how we protect and operate satellites in...

Senior Cloud DevOps Engineer - Fully Remote (UK only) - 80 - 85k High impact role. Modern AWS environment. Real engineering influence. Our global tech client builds advanced cloud and data platforms for large scale, distributed environments. This group is investing heavily in AWS, automation and data driven solutions, and they are hiring a Senior Cloud DevOps Engineer who wants ownership,...

Code Wizards Group is a world leader in backend and multiplayer infrastructure for the gaming industry. From high-scale AAA console and PC games to fast-paced mobile indie titles, we empower studios to bring multiplayer experiences to life. Within the Group lie Multiplayer Wizards, whose sole responsibility is to help game studios to run and operate their game infrastructure seamlessly for the...

You will have a truly global reach, which will provide you with new experiences and development opportunities right here in Belfast's iconic Titanic Quarter. Engineer the future of global finance. At Citi, our Tech team doesn't just support finance - we are helping to redefine it.

Cloud Engineer Location: Remote (UK) Contract: 12 months IR35: Outside IR35 The Role We’re looking for a Cloud Engineer to join a small platform team supporting the modernisation of on-prem infrastructure into AWS. You’ll work closely with a senior engineer on day-to-day cloud and infrastructure tasks, helping to support, migrate, and operate hybrid environments. This is a hands-on delivery...

At Orange Logic, we've been solving complex content challenges for over two decades—driven by innovation, curiosity, and a passion for impact, our intelligent Digital Asset Management (DAM) system, Orange Logic Platform, empowers organizations across industries to manage, access, and leverage their digital assets more effectively. We're not just building powerful software—we're building a team of...

Network & Cyber Security Consultant 🌍 Remote – UK & Ireland | 💼 Industrial Cyber / OT | ✈️ Up to 25% travel Our client is a leader in industrial networking & OT cyber security, in hiring a Network & Cyber Security Consultant to join their growing technical team. This is a hands‑on role covering solution design, consultancy, audits, and delivery for industrial customers. Key Responsibilities -...

Join OCI's Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI's global edge. This role requires deep expertise in Linux networking data path and...

You will play a key role in developing tooling for the Citi developer community using a range of technologies including Java and SpringBoot microservices on Linux on OpenShift.

You will provide expert guidance, facilitating their onboarding and maximizing their utilization of the innovative tools and platforms you help create.

You will work alongside Software Development, Product and Operations teams to identify and eliminate constraints in the product life cycle.

You will help to develop monitoring and alerting for AWS deployed platforms and software to support sustained and reliable availability of internal and production systems.

You will have a truly global reach, which will provide you with new experiences and development opportunities right here in Belfast's iconic Titanic Quarter.

You will need to employ strong communication skills, necessary to effectively produce client solutions. This job description provides a high-level review of the types of work performed.