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principal engineer Belfast
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Engineering  (7) Health & Safety  (1)
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Onsite  (7)
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...
TT
05 Oct, 2026
Permanent
Principal Geo-Environmental Engineer - Belfast
Tetra Tech Belfast, UK
Join a fast-growing, forward-thinking Geo-Environmental team delivering technically complex solutions across energy, water, defence, nuclear and property sectors. Purpose & Scope of the Role As a Principal Geo-Environmental Engineer, you will play a key role within a multidisciplinary team of specialists delivering high-quality consultancy services supported by in-house ground investigation capabilities. Operating across a diverse project portfolio, you'll contribute to technically robust, client-focused solutions spanning land quality, remediation, groundwater and geotechnical disciplines. You'll take ownership of projects from planning through to delivery-combining technical expertise, stakeholder engagement and effective project management. Working collaboratively across regional offices and wider environmental and engineering teams, you'll help drive continued growth and strengthen client relationships. Your Impact in this Position You'll lead and...
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...
TT
05 Oct, 2026
Permanent
Senior Civil Engineer
Tetra Tech Belfast, UK
Join Tetra Tech as a Senior or Principal Civil Engineer and take a leading role in delivering high-impact, technically complex projects within a collaborative, forward-thinking environment. Purpose & Scope of the Role Based in our Belfast office, this role places you at the heart of our Northern Ireland team, working closely with colleagues in Edinburgh while delivering projects across Northern Ireland, Scotland and beyond. You will lead the design and delivery of civil infrastructure schemes, contributing to multidisciplinary projects and supporting the growth of our regional capability. This is a varied and technically engaging position with clear opportunities to progress into leadership. Your Impact in this position You will play a key role in delivering projects from concept through to completion-balancing technical excellence, commercial awareness and client engagement. Working with a high degree of autonomy, you will ensure projects are delivered on time and...
Thales
04 Oct, 2026
Full Time
Digital Technology Engineer - MES
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. Job Title: Industrial Information Systems Engineer Location: Can be based from any of our Thales UK sites Travel Percentage: 50% Type: Permanent, Hybrid. 37 hours per week, 3 days on site / office-based. Purpose of the role: The Industrial Information Systems Engineer supports the UK MES Product Owner in the development, implementation, and maintenance of the Manufacturing Execution System (MES) application across UK industrial competence centres (ICCs). This role assists with requirements analysis, technical...
Thales
02 Oct, 2026
Full Time
Senior System Safety and Environmental Engineer (IAS)
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. Senior System Safety & Environmental Engineer (IAS) Known internally as System Safety & Environmental Engineer Location: based in Belfast, 4.5 days/ week onsite, with travel Other: permanent, full-time, for eligible candidates, relocation support can be provided   Help shape the safety of next-generation defence technologies, ensuring mission-critical systems are safe, compliant and certifiable throughout their lifecycle. What the role has to offer Lead safety strategy on complex, mission-critical...
TT
05 Oct, 2026
Permanent
Senior/Principal Engineering Geologist
Tetra Tech Belfast, UK
Purpose & Scope of the Role Join a growing Geo-Environmental team of around 100 specialists across the UK and Ireland, delivering expertise in ground investigation, land quality & remediation, and groundwater & geothermal services. This role supports continued expansion in Northern Ireland, focusing on technically robust delivery and sustainable growth across sectors including Energy, Water, Defence, Nuclear and Property. You will contribute to strengthening regional capability, enhancing client relationships and delivering high-quality, commercially successful projects, primarily in Northern Ireland with collaboration opportunities across the wider business. Your Impact in this Position You will play a central role in shaping project outcomes from early-stage assessment through to detailed geotechnical design and reporting. Your work will directly influence safe, sustainable development by managing ground risk and delivering practical engineering solutions....
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