principal infrastructure engineer jobs in Antrim County

A leading global engineering firm in Belfast seeks a Principal Economics Consultant or Associate Director/Senior Associate to shape infrastructure investment and policy decisions. This role involves leading advisory projects across transport, energy, and housing, influencing national strategies and delivering measurable outcomes. The ideal candidate will combine technical excellence with...

Your new company We are working with a leading consultancy based in Lisburn, Northern Ireland delivering innovative civil engineering and infrastructure solutions across the UK and Ireland. Its work spans residential, commercial, and public sector developments, as well as major transport and urban regeneration projects. The team has successfully contributed to landmark schemes that improve...

You will play a key role in the delivery of infrastructure and workplace projects, supporting hybrid environments and contributing to the adoption of modern technologies that enhance security, resilience, and productivity. This is a hands-on technical role, suited to someone comfortable working across both on-premise and cloud platforms.

📍 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...

You will have the flexibility you need to do your best work with hybrid work options.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

Senior/Principal Civil Water Engineer Full time 2026-01-26 Posted Today R-147187 Job Description Overview Shape the future of our cities and environments. Are you a Civil Water Engineer who is passionate about making the world a better place?Are you ready to take up a vital role in some of the UK's most exciting and innovative projects? Join AtkinsRéalis and take a leading role in shaping the...

You will influence architecture and delivery end-to-end, working closely with architects, senior engineers and business stakeholders across regions. The role combines hands-on technical leadership with ownership of delivery, mentoring engineers and championing modern engineering practices across distributed, cloud-native systems.

Principal Clean Water Process Engineer Full time 2026-01-28 Posted Today R-147472 Job Description Overview Shape the Future of our cities and environments. Are you a Clean Water Process Engineer who is passionate about making the world a better place? Are you ready to take up a vital role in some of the UK's most exciting and innovative projects? Join AtkinsRéalis and take a leading role in...

Your new company We are working with a leading consultancy based in Lisburn, Northern Ireland delivering innovative civil engineering and infrastructure solutions across the UK and Ireland. Its work spans residential, commercial, and public sector developments, as well as major transport and urban regeneration projects. The team has successfully contributed to landmark schemes that improve...

You will be joining an established team of Ground Engineers within the Scotland and Ireland region, will be based in the AECOM Belfast Office and will work closely with colleagues across the UK & Ireland.

You will have the flexibility you need to do your best work with hybrid work options.

You will: Be ready to take the next step in your career, delivering and coordinating design packages on complex infrastructure programmes. Lead technical design teams on a diverse range of projects from concept to construction stage, including: Major highway projects (to DMRB UK & Ireland Standards).

You will have the flexibility you need to do your best work with hybrid work options.

Senior/Principal Mechanical Engineer Full time 2026-02-01 Posted Today R-147327 Job Description Overview Shape the Future of our cities and environments. Are you a Mechanical Engineer who is passionate about making the world a better place? Are you ready to take up a vital role in some of the UK's most exciting and innovative projects? Join AtkinsRéalis and take a leading role in shaping the...

Your new company Are you ready to take a key role in shaping critical water infrastructure projects across the UK? This is your opportunity to join a global leader in design, engineering, and project management - a company that delivers innovative solutions to create sustainable communities and resilient infrastructure worldwide. Your new role As a Principal Electrical Engineer, you'll lead...

You will have the flexibility you need to do your best work with hybrid work options.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

Your new company Hays are working in partnerhip with an award-winning multidisciplinary engineering consultancy based in Lisburn, seeking a Principal Civil Engineer. The company has built a strong reputation over the past 20 years for delivering innovative and sustainable design solutions across the UK and Ireland. With offices in Northern Ireland, England and in Dublin, the company is known for...

Reposted 2 Days Ago Be an Early Applicant Belfast, County Antrim, Northern Ireland Belfast, County Antrim, Northern IrelandAs a Principal Mechanical Engineer, lead technical design work on projects, manage budgets, collaborate with teams, and ensure high-quality standards in mechanical design across various summary above was generated by AI Shape the Future of our cities and environments. Are you...

Principal Waste Water Process Engineer Full time 2026-01-26 Posted Today R-147229 Job Description Overview Shape the Future of our cities and environments. Are you a Waste Water Process Engineer who is passionate about making the world a better place? Are you ready to take up a vital role in some of the UK's most exciting and innovative projects? Join AtkinsRéalis and take a leading role in...

Your new company Are you ready to take a key role in shaping critical water infrastructure projects across the UK? This is your opportunity to join a global leader in design, engineering, and project management - a company that delivers innovative solutions to create sustainable communities and resilient infrastructure worldwide. Your new role As a Principal Mechanical Engineer, you'll lead...

You will have the flexibility you need to do your best work with hybrid work options.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

Your new company Are you ready to take a key role in shaping critical water infrastructure projects across the UK? This is your opportunity to join a global leader in design, engineering, and project management - a company that delivers innovative solutions to create sustainable communities and resilient infrastructure worldwide. Your new role As a Principal Mechanical Engineer, you'll lead...