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Harmonic Security Inc. logo
Principal Systems Engineer

Harmonic Security Inc.

Full-time|Remote|United Kingdom 100% Remote

At Harmonic Security, we empower teams to harness AI tools safely by safeguarding sensitive data in real-time, ensuring minimal effort and maximum control. Our solutions allow enterprises to innovate without fear of data leaks, fostering a culture of creativity and confidence.Led by seasoned cybersecurity professionals and supported by renowned investors suc…

Mar 19, 2026
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Vertical Aerospace logo
Full-time|On-site|Bristol Office

Join Us in Transforming Electric AviationAt Vertical Aerospace, we are at the forefront of revolutionizing electric aviation. Our flagship eVTOL aircraft, the Valo, promises to establish unprecedented safety benchmarks in the sky, all while achieving 'zero emissions'.We are not bound by the conventional methods of the past; instead, we aim to redefine aerospace standards. As we evolve from a prototype-focused business to a growing small and medium-sized enterprise (SME), we are entering a pivotal phase in our journey to fulfill our ambitious objectives. Our goal is to secure airliner-level safety certification by 2028, paving the way for service with our airline and operator partners.What Awaits YouAs a Principal Systems Engineer specializing in System Safety, you will thrive in a dynamic, collaborative environment where safety is paramount. Working within the Powertrain Squad, you will closely collaborate with specialists in propulsion, flight controls, power distribution, and airworthiness, alongside external suppliers. This innovative atmosphere fosters the reimagining of traditional aerospace practices to tackle the unique challenges posed by electric aviation.You will be part of a team committed to transparency, data-driven decision-making, and simplifying design principles, ensuring that our safety cases are thorough yet straightforward. Anticipate engaging in cross-functional dialogues, influencing architectural decisions, and contributing to the evolution of safety practices for eVTOL systems.Your ResponsibilitiesDevelop and enhance EPU requirements to encompass all safety-derived functions and assumptions from aircraft-level FHA, PASA, and PRA, ensuring full completeness and traceability.Critically assess EPU PSSA and SSA for alignment with aircraft-level analyses, ensuring consistency across internal and supplier safety assessments.Serve as the technical authority for identifying and rectifying inconsistencies in safety cases, directly engaging with internal experts and EPU suppliers to negotiate effective solutions.Lead design reviews focusing on safety-derived functions, ensuring proper implementation, design conformity, and proactive risk management.Conduct cross-functional trade studies to streamline architecture and safety arguments, thereby minimizing complexity while maximizing safety efficacy.

Feb 23, 2026
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Alten logoAlten logo
Full-time|On-site|Wokingham

Join Alten, a leader in technology consulting and engineering, as a Principal Systems Engineer specializing in Defence. In this pivotal role, you will leverage your expertise to drive innovative engineering solutions, ensuring the highest standards of quality and performance in defence systems.

Apr 30, 2026
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Segula Technologies logoSegula Technologies logo
Contract|On-site|Gloucester

Role overview Segula Technologies is seeking a Principal Systems Engineer to focus on landing gear systems in Gloucester. This position leads projects that influence the design, development, and improvement of landing gear across several aircraft platforms. The role involves close coordination with engineering, design, and manufacturing teams to deliver effective solutions. What you will do Lead the development and improvement of landing gear systems from initial concept through final delivery Work with specialists across multiple disciplines to ensure proper integration and strong system performance Use technical knowledge to maintain reliability and safety of key aircraft components Location This role is based in Gloucester.

Apr 24, 2026
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AECOM logoAECOM logo
Full-time|On-site|Glasgow

AECOM is seeking a Principal Cable System Design Engineer to join our team in Glasgow. In this role, you will be responsible for leading the design and development of cable systems for various infrastructure projects. You will collaborate with multidisciplinary teams to ensure the successful execution of design projects, adhering to industry standards and best practices.

Jan 12, 2026
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AECOM logoAECOM logo
Full-time|On-site|Birmingham

Join our dynamic team at AECOM as a Principal Cable System Design Engineer. In this pivotal role, you will lead the design and development of cutting-edge cable systems, ensuring they meet both technical and safety standards. Your expertise will guide projects from conception through execution, collaborating closely with cross-functional teams to deliver exceptional results.We are looking for a visionary engineer who is passionate about innovative design and is committed to driving excellence in cable system engineering. You will have the opportunity to work on diverse projects that challenge your skills and expand your professional horizons.

Jan 12, 2026
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disco logodisco logo
Full-time|On-site|London, United Kingdom

Your Impact The Principal Software Engineer plays a pivotal role in shaping and advancing our architectural framework by employing Distributed Domain Driven Design methodologies. This position is crucial for ensuring the resilience and scalability of our systems. You will influence architectural strategies and provide embedded consultation within projects, guiding teams to adopt best practices and effective design patterns. What You'll Do ● Architecture Leadership: Spearhead the definition and evolution of our architecture through Distributed Domain Driven Design principles. Serve as the strategic leader for core Architecture Quality Attributes (e.g., Availability, Performance, Scalability, Security) to guide architectural evaluations. Provide project-specific architectural consultation to advocate best practices, design patterns, and informed buy vs. build decisions.● Platform Capability Enhancement: Aid in prioritizing improvements across feature and data platforms. Enhance the documentation and communication of architectural descriptions through automation and innovative tools. Oversee platform-wide strategies, including naming conventions, protocol standards, and design patterns to ensure continuous value creation.● Effective Communication: Clearly articulate complex technical concepts in both written and verbal formats, tailored to both technical and non-technical stakeholders. Collaborate with various stakeholders to foster consensus when needed, ensuring alignment on architectural choices.

Feb 25, 2026
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Egis Group logoEgis Group logo
Full-time|On-site|London

We are seeking a highly skilled and experienced Principal Systems Safety Engineer to join our dynamic team at Egis Group in London. In this pivotal role, you will be responsible for ensuring the safety and reliability of complex systems throughout their lifecycle. Your expertise will contribute to the development of innovative safety solutions that enhance our projects and meet industry standards.

Apr 2, 2026
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Ramboll logoRamboll logo
Full-time|On-site|Southampton

Are you passionate about tackling intricate engineering challenges and making a positive impact on society and the environment? If you thrive in dynamic environments and are eager to contribute to sustainable innovations, we invite you to explore this exciting opportunity.Join our Critical Systems team as a Principal Mechanical Engineer and help us bridge the gap to a sustainable future. Your RoleAs a Principal Mechanical Engineer, you will collaborate with a talented team while managing your own projects. Your responsibilities will include both conceptual and detailed design work adhering to the highest standards, while ensuring exceptional client service.You will be integral to a team renowned for its technical delivery and deep commitment to client care. This position offers the chance to engage in diverse projects, including prestigious international initiatives if desired. We foster a supportive and collaborative culture where our team enjoys their work and sees rapid career progression for talented individuals. With a current emphasis on digital and parametric design, we are redefining the future of our industry through smarter working practices. Your Key Responsibilities:Lead Critical Systems projects, representing Ramboll while managing engineers from complementary disciplines.Work independently with minimal supervision on all technical aspects of your discipline, leveraging specialized experience relevant to the role.Execute both conceptual and detailed designs, overseeing the work of others in this area.Inspire confidence in both internal teams and clients to enhance and nurture relationships.Manage project timelines effectively to meet deadlines and complete assigned tasks efficiently.Coordinate team efforts to ensure adherence to all deadlines and appropriately allocate resources.Possess a keen interest in or experience with digital and parametric design tools.Innovate and develop complex technical solutions tailored to project requirements.Collaborate with fellow disciplines both internally and externally.Develop energy-efficient and low-carbon solutions aimed at achieving net-zero targets.Spatially and technically coordinate MEP solutions. About YouFrom day one at Ramboll, we are committed to supporting your personal and professional growth, ensuring you continue to evolve alongside our team.

Mar 17, 2026
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Jobs for Humanity logoJobs for Humanity logo
Principal Engineer

Jobs for Humanity

Full-time|On-site|Wymondham

Jobs for Humanity is hiring a Principal Engineer in Wymondham. This senior role centers on leading engineering projects and setting high technical standards across the team. Role overview The Principal Engineer will guide project direction and work closely with colleagues from different disciplines. The focus is on designing and implementing new solutions that make a positive impact in diverse communities. What you will do Lead engineering initiatives from concept through delivery Collaborate with cross-functional teams to shape project outcomes Drive technical decision-making and ensure quality standards Impact This position offers the chance to contribute to projects that support individuals across a range of backgrounds, helping to improve lives through thoughtful engineering.

Apr 30, 2026
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Jobs for Humanity logoJobs for Humanity logo
Principal Engineer

Jobs for Humanity

Full-time|On-site|Liverpool

Jobs for Humanity is hiring a Principal Engineer in Liverpool. This senior role centers on leading technical projects and guiding engineering teams to deliver quality solutions for clients. Role overview The Principal Engineer takes charge of major projects, setting technical direction and standards. This position involves both hands-on work and oversight, ensuring that engineering practices consistently meet high expectations. Mentorship and leadership Mentoring junior engineers is a key part of this role. The Principal Engineer supports team growth by sharing knowledge and encouraging best practices throughout the engineering group. What you will do Lead complex engineering projects from concept to delivery Drive technical excellence and uphold quality standards Mentor and support junior engineering staff Work closely with teams to meet client requirements

Apr 30, 2026
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Ramboll logoRamboll logo
Full-time|On-site|Birmingham

Are you passionate about tackling intricate engineering challenges and eager to drive sustainable innovations that positively impact society and the environment? If you possess a curious, open-minded attitude, this role might be just what you're looking for. Join our Critical Systems team as a Principal Mechanical Engineer and collaborate with us on the journey to a sustainable future. Your RoleIn your new position as Principal Mechanical Engineer, you'll be an integral part of a dynamic team, managing your own project initiatives while executing conceptual and detailed designs that meet rigorous standards. Your commitment to delivering outstanding client service will be paramount.As a member of a team dedicated to technical excellence and client care, you'll engage in diverse projects, with exciting opportunities to participate in international signature assignments if desired. We foster a collaborative and supportive culture, where we genuinely enjoy our work. We seek individuals who resonate with our values and are keen to grow rapidly within our organization. Our focus on digital and parametric design reflects our belief that the future of engineering lies in smarter, not harder, work. Your Key ResponsibilitiesLead Critical Systems projects as a representative of Ramboll, overseeing your discipline and managing engineers from complementary disciplines.Demonstrate initiative and independence in all technical aspects of your discipline, leveraging specific specialist experience relevant to the role.Execute conceptual and detailed designs while overseeing the work of others in this domain.Inspire confidence both internally and externally to enhance and nurture client relationships.Effectively manage project timelines to meet deadlines and complete assigned tasks efficiently.Coordinate tasks to ensure all deadlines are met while allocating resources appropriately.Possess a keen interest in or experience with digital and parametric design tools.Create and innovate complex technical solutions tailored to project needs.Collaborate with internal and external disciplines to ensure cohesive project delivery.Develop low-energy, low-carbon solutions to achieve net or nearly net-zero targets.Spatially and technically coordinate MEP solutions. About YouFrom your first day at Ramboll, we are committed to supporting your professional and personal development, fostering an environment where you can thrive and contribute meaningfully.

Mar 17, 2026
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Ramboll Group logoRamboll Group logo
Full-time|On-site|Manchester

Are you passionate about tackling intricate engineering challenges? Do you strive to create sustainable solutions that positively impact society and the environment? If this resonates with you, we invite you to explore an exciting opportunity with us.Join our Critical Systems team as a Principal Mechanical Engineer and contribute to shaping a sustainable future through innovative engineering practices. Your RoleIn this pivotal position, you will collaborate with a dynamic team, managing your own projects while undertaking both conceptual and detailed designs that adhere to industry standards. Your commitment to client satisfaction will be paramount as you deliver exceptional service.As part of a technically proficient team that values client relationships, you will engage in diverse projects, including international signature projects if interested. We foster a collaborative and supportive culture where we enjoy our work and encourage professional growth. Key Responsibilities:Lead Critical Systems projects, managing your discipline while overseeing engineers in complementary fields.Work independently with minimal supervision on all technical aspects of your specialty.Deliver comprehensive conceptual and detailed designs, supervising the work of peers.Inspire confidence among internal and external stakeholders to enhance client relationships.Effectively manage project timelines to meet deadlines.Coordinate tasks to ensure timely delivery and allocate resources efficiently.Utilize digital and parametric design tools to create innovative, complex solutions.Collaborate with various internal and external disciplines on project execution.Develop low-energy, low-carbon solutions aiming for net-zero targets.Spatially and technically coordinate MEP solutions. About YouAt Ramboll, we are dedicated to supporting your ongoing personal and professional development, ensuring that you can thrive in your career.

Mar 17, 2026
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Ramboll logoRamboll logo
Full-time|On-site|Chester

Are you passionate about tackling intricate engineering challenges and eager to contribute to sustainable advancements that positively impact society and the environment? If you possess a curious and open-minded nature, then we invite you to explore this exciting opportunity.Join our Critical Systems team as a Principal Mechanical Engineer and play a vital role in bridging the gap towards a sustainable future. Your RoleIn your capacity as Principal Mechanical Engineer, you will collaborate with a dynamic team, manage your own projects, and engage in both conceptual and detailed designs that adhere to high standards. Your commitment to delivering outstanding client service will be paramount.As a crucial member of our team, you will focus on technical excellence and client engagement. You will have the chance to participate in significant international projects if you choose. Our culture is supportive and collaborative, and we take pride in our work! We seek individuals who share our values and are personable, with promising career advancement opportunities for talented candidates. Our emphasis is on digital and parametric design, as we believe the future of our industry lies in smarter, more efficient practices. Key Responsibilities:Lead your discipline on Critical Systems projects and manage engineers from complementary disciplines.Work independently on all technical aspects of your discipline or apply specific specialist experience relevant to the role.Complete both conceptual and detailed designs while supervising the work of others.Inspire confidence internally and externally to enhance and nurture client relationships.Efficiently manage project timelines to meet deadlines and fulfill assigned tasks.Coordinate tasks to ensure all deadlines are met and allocate resources as required.Demonstrate a keen interest in or experience with digital and parametric design tools.Create and develop innovative and complex technical solutions and designs.Collaborate with other internal and external project disciplines.Develop low energy, low carbon solutions that aim to achieve net or nearly net zero targets.Spatially and technically coordinate MEP solutions. About YouFrom day one at Ramboll, you will receive support for your personal and professional growth, enabling you to advance in your career.

Mar 17, 2026
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Ramboll logoRamboll logo
Full-time|On-site|Leeds

Are you passionate about tackling intricate engineering challenges? Do you aspire to drive sustainable transformations that positively impact society and the environment? If this resonates with you, we invite you to explore an exciting career opportunity with us.Join our Critical Systems team as a Principal Mechanical Engineer and play a pivotal role in advancing toward a sustainable future. Your new roleIn this position, you will collaborate with a dynamic team, manage your own projects, and execute both conceptual and detailed designs while ensuring high standards of client service. You will contribute to a team renowned for its technical excellence and strong commitment to client satisfaction. Opportunities to participate in international flagship projects are available, should you wish to expand your horizons.We foster a supportive and collaborative culture, where teamwork is valued, and we take pride in our work. We seek individuals who share our values and are eager for rapid professional growth. Our current focus on digital and parametric design reflects our belief in working smarter to lead the industry into the future. Your key responsibilities will include:Leading your discipline and overseeing engineers from complementary fields on Critical Systems projects.Demonstrating initiative and independence in managing all technical aspects of your discipline.Completing conceptual and detailed designs while mentoring others in the process.Inspiring confidence within the team and in client interactions to strengthen relationships.Effectively managing project timelines and resources to meet deadlines.Coordinating tasks to ensure all project milestones are achieved.Leveraging your interest or experience in digital and parametric design tools.Developing innovative and efficient technical solutions for complex design challenges.Collaborating with both internal and external project disciplines.Creating low energy and low carbon solutions to meet net-zero targets.Spatially and technically coordinating the MEP (Mechanical, Electrical, and Plumbing) solutions. About youFrom your first day at Ramboll, we will invest in your personal and professional development to ensure your continuous growth within our organization.

Mar 17, 2026
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AECOM logoAECOM logo
Full-time|On-site|Manchester

We are seeking a talented and experienced Principal Cable System Design Engineer to join our dynamic team in Manchester. In this pivotal role, you will lead the design and development of advanced cable systems, ensuring they meet both technical specifications and project requirements. You will collaborate closely with cross-functional teams to deliver innovative solutions while adhering to safety and quality standards.

Jan 12, 2026
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Primark logoPrimark logo
Full-time|On-site|Reading

Join our dynamic team at Primark as a Principal Engineer, where you will play a pivotal role in driving innovation and excellence in engineering practices. We are looking for a highly skilled professional with a passion for technology and a commitment to delivering top-notch engineering solutions.

Mar 5, 2026
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Egis Group logoEgis Group logo
Full-time|On-site|London

Join Egis Group as a Principal Systems Integration Engineer specializing in Rail. In this pivotal role, you will lead the integration of complex systems in rail projects, ensuring seamless collaboration between various engineering disciplines. Your expertise will be crucial in developing innovative solutions that enhance project efficiency and safety.

Apr 9, 2026
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AECOM logoAECOM logo
Full-time|On-site|Glasgow

Join AECOM as a Principal RAMS Engineer and play a key role in ensuring safety, reliability, availability, maintainability, and safety (RAMS) within our engineering projects. You will lead assessments, develop RAMS strategies, and collaborate with multidisciplinary teams to deliver high-quality engineering solutions.

Apr 2, 2026
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Jobs for Humanity logoJobs for Humanity logo
Principal Engineer

Jobs for Humanity

Full-time|On-site|Salford

Jobs for Humanity is seeking a Principal Engineer based in Salford. This position plays a central part in guiding engineering projects and supporting technical teams. Role overview As Principal Engineer, the focus is on leading teams through complex projects and encouraging new approaches to technical challenges. The work directly influences products that reach communities around the world. Key responsibilities Guide engineering teams and set technical direction Oversee project delivery to maintain quality and efficiency Promote innovation in product development Impact This role shapes the future of Jobs for Humanity’s products and supports the organization’s mission to serve global communities.

Apr 30, 2026

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