Linux Systems Admin jobs in Belfast

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.

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...

Description Help us connect and transform health and care. As a Junior Business Systems Analyst, known internally as an Associate Business Systems Analyst, you'll learn and grow while supporting the configuration, maintenance and optimisation of our core business systems. Working alongside experienced analysts and friendly stakeholders, you'll help ensure our tools are reliable, secure and...

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.

Role Title: Storage SAN SME Duration : 8 months Rate: £366 per day on umbrella Location: Sheffield Hybrid -3 Days We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. Storage - Strong knowledge in SAN hardware installation and configuration; Storage - Strong SAN storage and virtualisation knowledge, provisioning and migration...

You will collaborate closely with software engineers, mechatronics engineers, and embedded engineers to deliver algorithms that are measurable, testable, and deployable on real hardware – balancing performance, compute constraints, and robustness.

You will contribute to the development of core autonomy systems, including:

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,...

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...

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 work with cutting-edge technologies in reporting, analytics, and data engineering, including Google Cloud Platform, Big Data, Data Lakes, Warehouses, and Power BI. Key Responsibilities - Database Management Systems (DBMS), Analytics, and Visualization. - Cloud and Big Data technologies.

A leading quantitative brokerage in the capital markets spare are currently seeking a technical, detail-oriented FIX Onboarding Analyst to support onboarding of institutional counterparties in the derivatives / best execution space. I you are hired you will manage FIX connectivity, certification, and trade-flow integration while working closely with quants, brokers, developers, and operations....

You will work at the intersection of software engineering, quantum physics, and advanced hardware, enabling precise, reliable, and scalable quantum operations.

Job Title: Cloud Engineering Team Lead 📍 West End of London, England | Hybrid 💼 Full-Time | Team Leadership | DevOps & Infrastructure Role Overview We're looking for a Cloud Engineering Team Lead to head a team of DevOps engineers, overseeing the development, deployment, and automation of cloud infrastructure and CI/CD processes. You’ll work closely with engineering, product, and operations...

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...

Permanent | Space Systems | Hardware, Autonomy, and Innovation 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 space, and they’re now looking for an Avionics Engineer to help design and deliver the next generation of intelligent...

Introduction Boothbay Fund Management, LLC is a multi-manager, multi-strategy firm with 100+ alternative asset managers trading strategies across a spectrum of asset classes globally. Boothbay launched its flagship strategy in 2014. Boothbay has its primary office in NYC, and additional offices in London, Hong Kong, and Westchester. The firm is operated with an entrepreneurial spirit and is...

Role: DevOps Platform Engineer Level: Mid-Level Location: Leeds, West Yorkshire (Hybrid) Salary: £40,000–£48,000 + pension + performance bonus Eligibility: Must have the right to live and work in the UK About the Role This is a standout opportunity for a DevOps Engineer passionate about IoT and eager to work across high‑impact sectors including energy, aerospace, manufacturing, and...

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...

C++ Developer / Backend Software Engineer Cambridge / WFH to £75k Are you a C++ technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software house that's remote access product is used by hundreds of millions of users worldwide. What's in it for you: -...

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.