Infrastructure Systems Administrator jobs in Belfast

📍 Remote | Full-time 👋 Overview We’re looking for a pragmatic Full Stack Engineer who can lead the evolution of our infrastructure while keeping systems simple, reliable, and maintainable. This is a remote role for someone who enjoys owning infrastructure decisions without stepping away from hands-on product development. Medify Engineering is a team of ten engineers across two teams, and...

Note - role reposted after re-evaluation of grade level. About Colt Data Centre Services Colt Data Centre Services (DCS) has over 20 years’ experience in designing, building and operating energy-efficient, reliable data centres – hosting significant financial, media, corporate and cloud wholesale providers across the world. Our customers are at the heart of everything we do. We endeavour to...

You will be responsible for driving revenue growth across a defined territory, developing relationships with end customers, consultants, integrators, and channel partners within the data centre ecosystem. The role blends strategic account development with hands-on opportunity management, selling integrated infrastructure solutions across power, cooling, cabinets, and monitoring.

You will be assigned to a succession of new or existing programmes where you will work with and be supported by other engineers to design and develop engineering solutions to meet the needs of our customers.

You will have gained or be on track to achieve a bachelors degree in a STEM Subject in one of the following subject areas:

You will support the development, ongoing review, and implementation of SH&E activities, to ensure compliance with divisional SH&E management procedures. Please note this is a fixed term contract position of 12 months commencing February 2026. As Safety Compliance Administrator your new role will include but not be limited to the following:

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...

You will work as part of a supportive team and contribute to the smooth running of invoice processing and internal helpdesk support.

You will also act as a first point of contact for helpdesk enquiries via telephone and email, ensuring queries are logged, resolved, or escalated appropriately.

Accounts Administrator Ballymena £28-30K (40 hours - Flexible between 7am-6pm) The Role: - Process customer invoices accurately and in a timely manner - Process Payroll weekly and monthly - Monitor accounts receivable ledger to ensure all payments are received and properly recorded. - Follow up with customers on overdue accounts and resolve billing/payment discrepancies. - Reconcile customer...

Band 3 Administrator Location: Ulster Hospital Pay: £12.31 per hour Hours: 37.5 hours per week Job Summary Administrative & Clerical Officers provide an administrative service and support across a variety of settings within the Trust. The post holder will work as an integral member of a team and will be expected to respond to queries, manage their own workload, meet deadlines, and problem-solve...

About us: We are one of the top three automotive retailers in the UK, proudly representing 32 manufacturer brands, selling a huge range of new and used vehicles from over 150 dealerships across the UK and Ireland. We believe our people are our greatest asset, and we're committed to recognising the valuable contribution each person makes. That's why we continue to invest in a leading rewards and...

Key Responsibilities - Administer, monitor, and optimize Microsoft SQL Server environments (2016/2019/2022) - Design, deploy, and manage SQL workloads on Microsoft Azure - Manage and support virtualized environments using Hyper-V - Implement and maintain backup and recovery solutions using Veeam - Perform capacity planning, performance tuning, and query optimization - Manage HA/DR solutions...

You will have demonstrably strong IT skills and be able to pick up on new systems with ease, previous knowledge in Zero would be advantageous. The ideal candidate will be outgoing and confident, acting as a key member within the team. The package for this role includes a starting salary of £15.00 per hour, 25 hours per week, with flexibility on days.

Why Apply for this Role? - Excellent opportunity within a well-established and recognised organisation in Belfast - Supportive finance team with strong internal collaboration - Free on-site parking - 31 days annual leave rising to 34 days (pro rata for part-time staff) - Attractive benefits package including pension, life assurance and health cash plan A fantastic opportunity has arisen for an...

Brook Street UK Ltd is currently recruiting for a Financial Services Administrator to work for our East Belfast Belfast client. The role is a full time and permanent job. Our client has been in operation for a number of years and has a very good name in the financial services industry. The Financial Administrator would be recruited to supplement their already established team. Job...

Your new company A well established accountancy practice based in Belfast city centre has a vacancy for a payroll administrator to work within their payroll bureau. This role will be suited to a candidate with previous payroll experience. This is a client-facing role which requires a high level of customer service and relationship building. Having previous experience of working within a payroll...

Part-Time Accounts & Administration Officer Location: Office-based, Edge of Belfast City Centre Contract: Permanent, Part-Time Hours: Monday Friday, flexible working hours (25 hours per week) Salary: £23,500 per annum Reporting:Directly to the General Manager About McSweeney Trust McSweeney Trust (formerly known as Ashton Centre Development Limited) is a community-based regeneration charity...

You will gain hands-on experience in financial statement preparation and have a clear pathway to progress within our Audit and Assurance practice.

The Client Our client is a boutique firm offering a consistently high level of personal service. This gives both private and corporate clients confidence that their financial affairs are handled with the highest degree of competence and efficiency. Our client has recently expanded and moved to new premises near the city centre. They have an excellent team and offer a friendly and supportive...

Senior Pensions Administrator - Hybrid Locations: Belfast Job Type: Full-time, Permanent What You'll Be Doing: - Managing the administration of Defined Benefit (DB) and Defined Contribution (DC) pension schemes - Acting as a key point of contact for scheme members, trustees, and third parties - Mentoring and reviewing the work of junior administrators - Handling complex pension calculations,...

Manage the entire HR recruitment process, handle expatriate management, and support HR administrative functions and system enhancements. Ensure compliance with labor laws and facilitate staff Coordinator will manage projects, conduct data analysis on client benefits, prepare reports, and optimize processes within the team. Top Skills: ExcelPower BILocation: Belfast, United Kingdom Thales people...