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senior systems developer Belfast
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Engineering  (5) Accounting  (2) Executive & Management  (2) Information Technology  (2)
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TT
05 Oct, 2026
Permanent
Principal Ecologist
Tetra Tech Belfast, UK
Principal Ecologist Lead and Shape Ecological Outcomes Across the UK and Ireland Tetra Tech is seeking to recruit a Principal Ecologist to join our Planning & Environmental team. Based in our Belfast office, this role offers an exciting opportunity to lead ecological, environmental and planning project inputs across the UK and Ireland while working within a supportive, multidisciplinary environment. The position is based in a large, permanently desked office located on the edge of the city with on-site parking, strong public transport connections and easy access to major road networks. The role supports hybrid working, with an expectation of two to three days per week in the office to facilitate mentoring, collaboration and team coordination. Flexible working arrangements can be accommodated where project responsibilities allow. The multidisciplinary environment provides exposure to a wide range of significant projects, including marine, coastal,...
Th
05 Oct, 2026
Permanent
Senior Software Engineer
Thales Belfast, UK
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 warning, to threat neutralisation, our platforms cover all levels from very short-range systems, to extended protection across the entire battle-space including Airspace Mobility Solutions, Vehicles and Tactical Systems and Missile Defence, Optronics, and Radar. Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer. We innovate across the major industries of Aerospace, Defence, Security and Space. Your health and well-being matters to us and that's why we offer you the...
Ja
05 Oct, 2026
Permanent
Principal Protection & Control (P&C) Design Engineer - UK Grid Network
Jacobs Belfast, UK
Principal Protection & Control (P&C) Design Engineer - UK Grid Network Jacobs is playing a leading role in the global energy transition. As our UK and Continental Europe team continues to expand, we are seeking a Principal Protection & Control Engineer to support a range of high-profile projects across our Power & Energy portfolio. This includes high voltage AIS and GIS Substations, transmission system assets, HVDC interconnectors, and energy storage systems. Key Responsibilities: Lead FEED and detailed design workstreams for Protection & Control systems across transmission and renewable energy projects Develop and review interface designs, protection schemes, and control philosophies Ensure quality assurance and timely delivery of design packages and technical bids Undertake site visits and non-intrusive surveys as part of design or site support activities Review protection settings, relay coordination, and scheme logic Coordinate with back-office...
Thales
04 Oct, 2026
Full Time
Senior Bid Manager
Thales Belfast, UK
Location: Belfast, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Hybrid working arrangement: 3 days per week on site (based on full-time hours) Working hours: Full time or part-time hours available A fantastic opportunity for an experienced bid professional to lead complex business-winning activities and play a key role in securing strategic opportunities. As Senior Bid Manager , you will work with multidisciplinary teams, driving the development of compelling, competitive proposals while ensuring strong governance, stakeholder engagement, and commercial focus. What this role...
Thales
04 Oct, 2026
Full Time
Principal Electronics Engineer
Thales Belfast, UK
Location: Belfast, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Principal Electronics Engineer Belfast – Hybrid Thales Integrated Airspace-protection Systems (IAS) UK designs and manufactures a range of cutting-edge technologies ranging from air surveillance and mission planning systems to missiles. The company specialises in lightweight missiles and the integration of weapon systems into various platforms along with the systems to manage and exploit critical mission planning and air surveillance data. Belfast is also home to the Thales’s global Space Electric Propulsion Integration...
Thales
04 Oct, 2026
Full Time
Service Delivery Manager
Thales Belfast, UK
Location: Belfast, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Thales currently have an opportunity for a Service Delivery Manager (SDM), based out of our Belfast site. Service Delivery Managers are responsible for managing and delivery of Service-related Programmes and work packages into key customers. These services range from providing Software and Hardware upgrades to Customers, providing Spares and Repairs, to the provision of an overarching support capability. The SDM plays a vital role in developing the business as a long-term progressive service provider, building strong...
JG
01 Oct, 2026
Permanent
Senior Tax Associate
James Gray Associates Belfast, UK
Senior Tax Associate Salary: £37,500-£42,500 Location: Belfast Contract: Permanent, Full-Time Hours: 37.5 hours per week The Opportunity An excellent opportunity for a Personal Tax professional to join an established Private Client Tax team, taking responsibility for personal tax compliance while developing broader technical and advisory experience. You'll work with a varied portfolio of private clients, preparing tax returns, dealing with HMRC and supporting senior colleagues with more complex tax matters. Key Responsibilities Prepare personal and private client tax returns accurately and within deadlines. Complete tax computations covering employment, investment and other sources of income. Gather and review financial information required for client tax returns. Liaise directly with clients regarding information requests and tax queries. Assist with technical research across areas such as allowable expenses, capital allowances and rental...
Thales
29 Sep, 2026
Full Time
Sr. Escalation Engineer - Client Services
Thales Cathedral, 12 Bridge St, Belfast BT1 1LU, UK
Location: BELFAST ARNOTT HOUSE, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Title: Sr. Escalation Engineer – Client Services Base location: Belfast, Northern Ireland (Hybrid) Special Position Requirements Given the critical nature of the customer issues supported, some after-hours/weekend work will be required. Participation in the 24 x 7 telephone support Rota is mandatory for this position. Position Summary This is an exciting opportunity to join a growing Global Support Organization and provide World class Support for all Thales products. Thales is a leading global...
Hunter Selection
26 Sep, 2026
Permanent
Electrical Field Service Engineer
Hunter Selection Belfast, UK
Electrical Field Service Enginner 36'000 to 40'000 + Company van, pension scheme and excellent product training. Job Description Role Overview The Electrical Service Engineer is responsible for the inspection, maintenance, and repair of H nel automated storage systems, with a strong focus on electrical systems, controls, and fault-finding. This is a field-based role working independently at customer sites to ensure equipment operates safely, reliably, and in compliance with current electrical regulations. Key Responsibilities Carry out electrical inspections on H nel automated storage systems in line with current regulations. Perform planned preventative maintenance, annual servicing, and electrical repairs on H nel units. Diagnose and rectify electrical and control system faults, including wiring, sensors, motors, and PLC-related issues. Support and implement system upgrades, including electrical modifications and software updates. Assist with the installation,...
JR
22 Sep, 2026
Permanent
Senior Tax Associate
JGA Recruitment Belfast, UK
Senior Tax Associate Salary: £37,500 £42,500 Location: Belfast Contract: Permanent, Full-Time Hours: 37.5 hours per week The Opportunity An excellent opportunity for a Personal Tax professional to join an established Private Client Tax team, taking responsibility for personal tax compliance while developing broader technical and advisory experience. You ll work with a varied portfolio of private clients, preparing tax returns, dealing with HMRC and supporting senior colleagues with more complex tax matters. Key Responsibilities Prepare personal and private client tax returns accurately and within deadlines. Complete tax computations covering employment, investment and other sources of income. Gather and review financial information required for client tax returns. Liaise directly with clients regarding information requests and tax queries. Assist with technical research across areas such as allowable expenses, capital allowances and rental...
Capita
28 Aug, 2026
Full Time
Level 3 SOC Analyst
Capita Belfast, UK
Level 3 SOC Analyst Hybrid – with 2 days in our Belfast office – HillView House As an experienced Senior Cyber Security Operations Analyst, you will be responsible for handing security incidents received/escalated from the CSOC Analyst (Tier 1 or Tier 2) and perform a business impact analysis on the security incident. You will leverage a deep understanding of information security technologies, you will aid in triaging threat intelligence from multiple sources and add contextual information to the security incident, perform additional analysis and based on the business impact will recommend the response actions and escalation path. You will be guided by Threat Intelligence which is actionable information (e.g. IOCs/TTPs), conduct threat hunting activities; leveraging and analyzing sources of information as available through the SIEM, in addition identify and investigate potential suspicious activity as well as helping organizations identify, isolate and contain security issues....
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