Principal Systems Engineer jobs in Belfast

You will be responsible for advanced troubleshooting, resolving complex L3 technical issues, and developing automation scripts (e.g., Python, PowerShell) to streamline operational workflows. A critical element is active monitoring using industry-standard tools to anticipate and mitigate potential failures, maintaining strict adherence to service level agreements (SLAs).

You will be instrumental in bridging the gap between research and production, ensuring models are robust and performant in enterprise environments. Essential requirements include expert proficiency in Python, experience with major deep learning frameworks like TensorFlow or PyTorch, and familiarity with cloud infrastructure for large-scale data processing.

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...

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...

You will be able to evolve and grow your competencies in different areas: - Room and attention to personal development Build your talents in another domain of Thales Group, discovering new products, new customers, new country or go to a more complex Solution Choose between a technical expertise or a leadership path

You will work closely with Senior, Staff and Principal Engineers across Belfast and the wider global engineering organisation, contributing to large scale distributed systems while acting as a technical authority within the team. This role offers a strong mix of hands-on development, architectural decision making and mentorship.

You will be offered; - Highly competitive salary, negotiable depending on experience.

You will work closely with the new Associate Director and the wider team across the UK to deliver technical solutions on a range of complex projects.

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.

You will be a vital part of this evolution, contributing your expertise to our strategy and helping us redefine what services we offer our clients.

You will ensure buildings are designed to minimise fire risks, through contributing to the development of fire strategy reports, calculations and fire risk assessments.

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

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.

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

You will work with multidisciplinary teams - including mechanical, electrical, and production - to ensure control systems are robust, safe, and meet all regulatory and operational requirements. Key Responsibilities - Senior Control Systems Engineer: - Lead the design, development, and optimisation of control systems software using MATLAB/Simulink and Stateflow

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...

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.

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...

You will architect, design, and implement robust, scalable platforms that drive digital transformation and align with strategic objectives. What You Need to Succeed : - Proven experience delivering solutions in Microsoft Dynamics 365 - Strong knowledge of Microsoft SharePoint Online and Power Platform

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...

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...