system security administrator jobs in Belfast

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...

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 -...

Our client, an operational technology and digital transformation company, is recruiting for a Senior/Lead Protection & Control Systems Engineer to join their business in Staffordshire. Position Title: Senior/Lead Protection & Control Systems Engineer Position Type Permanent Start Date: ASAP Location: Remote from UK Contact: Ashish Rastogi| +44 151 808 1029 Job Description: - As part...

Northern Ireland (Field Based) Competitive + Overtime + Company Vehicle + Benefits Full-time, Permanent Vickerstock are working in partnership with a growing specialist in Fire & Security solutions to recruit a Fire & Security Engineer. Our client delivers installation, service and maintenance of high-quality fire and electronic security systems across commercial, industrial and public sector...

You will be helping to lead incidents, whilst also reviewing and responding to both internal and external alerts, assisting users in how to operate securely and ensuring that our controls are healthy across our technology estate.

You will be part of a high functioning, motivated and forward-thinking team.

You will be accountable for setting operational standards and ensuring consistent, high-quality delivery during the non-traditional trading window. This position is a critical component of our comprehensive "Follow-the-Sun" support model, vital to achieving 24/7 market protection.

Fire & Security PPM Engineer - Mon - Fri Excellent salary and benefits. Various locations across the UK. About us G4S is a global company operating across 120 countries, employing over 650,000 people across the world. You can find more about us here; https://www.g4s.com/en-gb We are at the forefront of the fire and security integrator market in the UK and have an enviable reputation for...

Company Description Version 1 are a true global leader in business transformation. For nearly three decades, we have been strategically partnering with customers to go beyond expectations through the power of cutting-edge technology and expert teams. Our deep expertise in cloud, data and AI, application modernisation, and service delivery management has redefined businesses globally, helping...

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...

MRJ have partnered with a fast-growing AI-First tech company based in Belfast (But with multiple UK hubs) that’s done with “good enough.” They need a DevOps Engineer who brings order to chaos, automates the tedious, and builds systems that actually let teams move fast. Hybrid working with 2 days in Belfast (applicants must be UK based)"If you thrive on tackling root causes, turning messy systems...

Downey Osborne is partnering with a growing organisation to recruit an experienced Accounts Administrator on a 9 months FTC. This role plays a key part in supporting the finance team, ensuring accurate processing of transactions, maintaining records, and assisting with reconciliations and month-end processes. - Competitive salary - Chance of permanency - On-site parking - Generous annual...

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...

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...

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...

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...

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.

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...

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

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:

Test Systems - Propulsion Test Engineer Belfast Full time 2026-01-07 Posted Today R0267445 Location: Belfast, United Kingdom Thales people architect solutions that are relied upon to deliver operational advantage at every decisive moment throughout the mission. Defence and armed forces customers rely on us to deliver the full range of defensive systems for land, sea, and air. From early...