Principal Software Engineer jobs in Portsmouth

Principal Software Engineer Portsmouth | Hybrid, 3 days onsite £75,000-£85,000 plus bonus and benefits This Principal Software Engineer role is designed for a hands-on technical leader with strong C++ and Unreal Engine expertise, working at the forefront of complex, performance-critical software delivery. The role combines advanced engineering with genuine technical authority, shaping how...

You will be designing solutions for complex challenges that will meet and exceed user requirements. Responsibilities will include: Designing, developing and delivering software solutions using a large range of techniques, including Wargames, Modelling and Simulation, Robotic and Autonomous systems, Digital Twins and Synthetic Environments.

You will steer the development of complex digital twins and autonomous systems, bridging the gap between mathematical theory and real-world engineering.

You will be designing solutions for complex challenges that will meet and exceed user requirements. Responsibilities will include: Take responsibility for the leadership and delivery of whole, or significant sub-components, of technical consulting projects and products.

Join OCI's Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI's global edge. Are you the right applicant for this opportunity Find out by reading...

Thomas Search has partnered with a leading UK defence technology contractor who is looking for a Principal Combat Systems Engineers in the Portsmouth area. This is an exciting leadership opportunity to work across ground-breaking maritime innovations and be part of a growing professional community. As Principal Combat Systems Engineer, you'll play a key role in shaping and implementing the...

Job Title: Principal Design Engineer Mechanical Location: Portsmouth Naval Base. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Up to £54, 000 depending on skills and experience + bonus What you'll be doing: - Participating fully in Design Reviews either presenting information to the review or as...

Job Title: Principal Design Engineer Mechanical Location: Portsmouth Naval Base. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Up to £54, 000 depending on skills and experience + bonus What you’ll be doing: - Participating fully in Design Reviews either presenting information to the review or...

Principal Sustainability Engineer | Hampshire | Permanent | up to £70,000 While professional experience and qualifications are key for this role, make sure to check you have the preferable soft skills before applying if required. If you’re the an engineer who sees sustainability benefiting internal systems - not just a scoreboard of emissions - this one’s worth a look. PT Renewables is...

Principal Hardware Engineer Overview Senior hands-on role responsible for the physical delivery and lifecycle management of infrastructure across data centres, build labs, and office environments. This role combines deep technical expertise with on-site leadership, risk ownership, and responsibility for engineering standards in critical environments. Key Responsibilities Infrastructure...

Our client is a global leader in ship navigation systems and advanced maritime solutions, delivering tailored technologies for commercial vessels, mega yachts, refit projects, naval surface combatants, small combatants, and submarines. xbpsjku Our client is seeking Software Engineers at various levels of experience to join their small UK-based software development team. This is an excellent...

Software Engineer (Java) SC Clearance Required Certain Advantage are hiring for a Software Engineer based in Portsmouth. This role is on an initial 12-month contract and is required to be onsite 3 days a week. Your responsibilities: - Contribute across the full software development lifecycle, including design, development, testing, and deployment. - Design software solutions using UML/SysML and...

You will work closely with subject matter experts and senior stakeholders on high-impact programmes spanning modelling and simulation, autonomy, geospatial systems, synthetic environments and digital twins.

You will remain deeply technical while setting direction, leading teams and acting as the technical authority across projects.

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 Salary: Negotiable plus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for principal software engineers with diverse experience. We are a small but rapidly growing consultancy, owned highly experienced and recognised practitioners in UK defence consultancy. As a Principal Software Engineer, you will play a major role in leading and...

You will become exposed to a wide range of technical disciplines, be able to follow technical argument and be able to influence the integrity of the final product.

You will be designing solutions for complex challenges that will meet and exceed user requirements. Responsibilities will include: Designing, developing and delivering software solutions using a large range of techniques, including Wargames, Modelling and Simulation, Robotic and Autonomous systems, Digital Twins and Synthetic Environments.

You will steer the development of complex digital twins and autonomous systems, bridging the gap between mathematical theory and real-world engineering. Technical Authority: Lead the design of UE5 based simulations, Robotic systems, and Digital Twins. Team Leadership: Line-manage engineering staff and lead small, agile delivery teams.

Senior Software Engineer Portsmouth | Hybrid, 3 days onsite £50,000-£75,000 plus bonus and benefits This Senior Software Engineer role is ideal for a hands-on engineer with experience in C++ and Unreal Engine, working on complex, performance-critical software across modelling and simulation, autonomy and geospatial domains. The position focuses on building robust, scalable systems while offering...

You will be designing solutions for complex challenges that will meet and exceed user requirements. Responsibilities will include: Take responsibility for the leadership and delivery of whole, or significant sub-components, of technical consulting projects and products.