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Job Title: Principal Systems Engineer Location: Portsmouth Naval Base – On site Salary: Up to £58,000 depending on skills and experience + 10% bonus Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you. What you’ll be doing: In this position you will be applying Systems Thinking to understand the wider problem space, manage constraints and emergent behaviours, and balance key trade‑offs while shaping Architecture & Interfaces that define how systems work and interact. You will deliver strong Requirements Leadership and Management by capturing, decomposing and agreeing requirements, maintaining traceability and managing change. The role will champion Model‑Based Systems Engineering (MBSE) by modelling system behaviour, structure and interfaces, ensuring modelling standards are followed, and generating controlled outputs that support design, verification and validation. In addition, you will also apply Problem Decomposition & Complexity Management to break down multi‑domain challenges, visualise dependencies and maintain structured decision records throughout delivery. You will contribute to Lifecycle Delivery & Systems Integration by tailoring lifecycle processes, planning integration when required, and preparing for design and test reviews. Service Hub Collaboration will be a requirement, involving close engagement with Asset Management Service Hubs to tailor and deliver systems engineering capabilities and services. Through strong Technical Expertise & Leadership, you will lead reviews, manage risks and issues, ensure governance and safety expectations are met, and deliver work packages to cost, schedule and quality. You will also mentor and coach engineers, promote systems engineering best practices and exemplify BAE Systems behaviours and ways of working. Essential skills: • You’ll have strong experience of applying systems engineering across the lifecycle, including requirements management, architecture definition, integration, MBSE and V&V, • You’ll have experience of using high level design methodologies and architectures (e.g. UAF, NAF, TOGAF, SysML, UML) and practical capability in MBSE, using tools such as Enterprise Architect to model system behaviour, structure and interfaces. Additionally, you will have experience using requirements and interface management toolsets (e.g., DOORS), maintaining traceability and controlling system interfaces, • You’ll have knowledge of applying Systems Engineering standards and principles including ISO 15288, • You’ll have exposure to system integration and verification activities to ensure functional and performance needs are met This position sits within the Systems Engineering Hub, which is part of the Warship Technical Authority (WTA) Service Hub. The WTA aims to deliver Naval whole ship, systems and equipment engineering support and change management. The position will be part of a high performing Systems Engineering team, which works across the Maritime and Land Defence Solutions business unit. They will be required to lead and manage the delivery of on-going contracted workstreams and deliver tailored systems engineering services to the Asset Management Service Hubs, which comprises of warship Platform Management, Maintenance Management, Supply Chain, Data and Digital Services. The Principal Systems Engineer provides technical leadership, acts as a technical authority within their scope, engages with customers and suppliers, and mentors engineers to build capability across projects and teams. As a Principal Systems Engineer you will support the delivery of one or more of the core WTA service elements; Design Change Management, Platform Technical Assurance, Material State Management, Obsolescence Management, Specialist Engineering Support, Future Support and Transformation Planning. Why BAE Systems? Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 14th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. #LI-RB1 #LI-Onsite

Job Title: Principal Systems Engineer – Team Leader Location: Portsmouth Technology Park. Hybrid – 3 times a week on site . We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Circa £70,000 (DOE) Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you. Job Description: As a Principal Systems Engineer, you will provide technical leadership to the Systems, Tools and Technology team, overseeing task allocation through Jira and managing the maintenance of deployed hardware, software, and associated tools across the wider estate and projects. A key part of your role will involve understanding customer requirements and emerging technologies, then communicating how these innovations can be incorporated into existing or future products, services, and toolsets. You will champion and apply core Systems Engineering and Software Engineering principles to ensure robust, efficient, and scalable solutions. Core duties: • Provide technical management and task allocation using Jira, maintaining the deployed Systems, Hardware and Software deployed across the MISC estate., • Understand Customer Requirements and emergent Technologies and communicate how these can be applied to the existing or future Systems, Products, Services and Tools., • Apply and champion the Systems Engineering and Software Engineering principles, • Good understanding and applied experience of the Engineering / System lifecycle, • Minimum qualifications – Higher Education in a STEM related subject, • Sound understanding of IP networks (protocols, switching & routing), • Expert understanding of integration tools, and their application over the integration lifecycle;, • Good understanding of how synthetic environments support system integration The MISC is support facility for maritime integration, experimentation, demonstration and research for current and future technologies deployed across several Customers. This role will provide hands-on technical leadership and engineering guidance to a team of Engineers and wider stakeholders to develop Systems, Tools and Technologies at the Maritime Integration & Support Centre (MISC) located at Portsdown Technology Park. Why BAE Systems? Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 15th April 2026. Interviews for this position will take place W/C 27th April. We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. #LI-NS1 #LI-Hybrid

EDSB Compliance Solutions are national providers of Fire & Security, Electrical, Mechanical and Building Services. From Design and Specification through to Installation and Maintenance, our focus is to deliver compliance, alongside an unbeatable level of service. Are you the right candidate for this opportunity Make sure to read the full description below. We work nationally across the UK and we pride ourselves on being a flexible, client focused organisation responding quickly and efficiently to our clients needs. Our aim is to work closely with our valued clients to ensure our service delivery is exceptional at all times. As a Service Engineer you will carry out the routine maintenance of Fire Alarms, Intruder Alarms, CCTV, Access Control, Portable Extinguishers, Disabled refuge and call/toilet systems, smoke vents, dampers Emergency Lighting, in accordance with the current Standards and Codes of Practice. This role will include but not limited to the items below: -Provide first line support for fault finding and rectification -Complete small works installations -Commission and handover of systems in line with the specification and drawings, including client demonstrations -Completion of the relevant e-documentation (via tablet) or paperwork in line with SSAIB requirements -Check the Engineer Planner when it is sent out to ensure all upcoming work is prepared for -Raise any concerns as soon as possible so they can be dealt with prior to the job taking place -Carry out daily checks as a minimum to ensure correct kit is in place for the job -Servicing and maintaining various systems, to include small works installations and fault finding -Demonstrate systems for clients, and explain details such as the causes and consequences of false alarms -Carry out corrective and preventative maintenance of multi disciplined systems to include emergency lighting and portable extinguishers -Commission/ Handover of systems -Be part of an On Call Rota for OOH callouts and telephone support -Carry out small works installations of multi disciplined systems to a high standard of workmanship -Installation/commission of portable extinguishers -Understanding the clients needs and fulfil all jobs required -Ensure the health, safety and welfare of themselves and their team in accordance with Company policy. To actively support at all times, company policy and best practice in the area of security, with particular emphasis on the protection of sensitive customer information Required Skills: -Proven background and experience of Electrical and Mechanical installations within the Fire and Security sector, including Fire Extinguishers. -Network/IP based product experience is beneficial. -Good communication skills are required as the majority of the role will involve being in a customer facing environment. -The ability to work alone and effectively organise your time as well as being a good team player. -A good understanding of the Standards which relate to our Industry and the systems we install. -A good understanding of Health and Safety is essential. -Have a flexible attitude to working hours. -A full driving licence and a willingness to travel to locations across the country. -Excellent timekeeping and time management skills. -Willingness to go the extra mile. -Self motivated and a team player, demonstrating professionalism, positivity and proactiveness. Working hours are 08:30 to 17:00 with a 30 minute lunch break. xrnqpay Salary will be discussed at interview stage.

Our client is an established M&E design consultancy specialising in sustainable engineering solutions across the UK. , with a diverse client base spanning multiple sectors, including local authority, education, healthcare, commercial, industrial, and residential projects Due to continued growth—despite challenging market conditions—they are seeking a Junior / Intermediate Electrical Design Engineer to join an expanding team. This is an excellent opportunity for a motivated engineer looking to develop a long-term career, through in house training and project exposure within a well-established and respected building services consultancy. The Role You will be responsible for supporting and managing a range of electrical design activities within our quality management system. Typical responsibilities include: • Attending client and design team meetings, • Undertaking site surveys, • Producing concept and detailed designs, • Carrying out calculations using industry-standard software, • Preparing technical reports and specifications, • Producing and reviewing drawings, • Supporting on site monitoring and project delivery About You You are a forward-thinking Electrical Engineer at Junior or Intermediate level, ideally qualified to HND or Degree level. You have some of experience producing designs in line with UK standards and are keen to further develop your technical and professional skills. • Relevant HNC or above, • Knowledge of relevant software. Relux, Amtech, • Experienced in AutoCad, • Working knowledge of Microsoft Office products to include, Word, Excel and Power Point, • Good oral and written communications, • Strong team player with ability to work independently, • Project smart & professional image at all times, • Reliable & prompt, • Willingness to learn, • Self-motivated and highly organized with a keen ability to prioritize with a common sense approach, • Positive, upbeat attitude, • Full driving licence, • Knowledge of relevant software packages This role offers exposure across the full project lifecycle and a variety of sectors. The role is based at Chichester office. They embrace flexible working and offer a hybrid approach combining office and home working

Job Title: Principal Systems Engineer – Team Leader Location: Portsmouth Technology Park. Hybrid – 3 times a week on site . We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role Salary: Circa £70,000 (DOE) Who we are: Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there’s no limit to where a career at BAE Systems could take you. Job Description: As a Principal Systems Engineer, you will provide technical leadership to the Systems, Tools and Technology team, overseeing task allocation through Jira and managing the maintenance of deployed hardware, software, and associated tools across the wider estate and projects. A key part of your role will involve understanding customer requirements and emerging technologies, then communicating how these innovations can be incorporated into existing or future products, services, and toolsets. You will champion and apply core Systems Engineering and Software Engineering principles to ensure robust, efficient, and scalable solutions. Core duties: Provide technical management and task allocation using Jira, maintaining the deployed Systems, Hardware and Software deployed across the MISC estate. Understand Customer Requirements and emergent Technologies and communicate how these can be applied to the existing or future Systems, Products, Services and Tools. Apply and champion the Systems Engineering and Software Engineering principles Lead System design, integration, test and deployment activities Essential Skills: Good understanding and applied experience of the Engineering / System lifecycle Minimum qualifications – Higher Education in a STEM related subject Sound understanding of IP networks (protocols, switching & routing) Expert understanding of integration tools, and their application over the integration lifecycle; Good understanding of how synthetic environments support system integration An understanding of Software & Script development experience on Windows and Linux platforms The Maritime Integration and Support Centre (MISC) Systems, Tools and Tech The MISC is support facility for maritime integration, experimentation, demonstration and research for current and future technologies deployed across several Customers. This role will provide hands-on technical leadership and engineering guidance to a team of Engineers and wider stakeholders to develop Systems, Tools and Technologies at the Maritime Integration & Support Centre (MISC) located at Portsdown Technology Park. Why BAE Systems? Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 15th April 2026. Interviews for this position will take place W/C 27th April. We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. #LI-NS1 #LI-Hybrid

To be successful in this role you will have demonstrable building services experience in a construction environment, and previous experience in a similar role. We are one of the leading independent engineering and services businesses in the UK. Working across a variety of sectors within the building

Arup’s Building Services Engineers tackle diverse challenges – from sustainable strategies to fire suppression systems, and from drainage in high-rise buildings to supplying ultra-pure water and piping specialist gases and fluids for. In this role, you’ll lead the design and delivery of buildi

Outsource UK are recruiting for multiple Electrical Engineers to join a growing design and engineering team delivering innovative building services solutions across a range of projects. Proven experience within a building services consultancy environment. Electrical Engineer - Building Infrastructur

This is a fantastic opportunity for someone who enjoys taking responsibility for design, leading teams and collaborating across departments to deliver efficient, compliant and innovative building services solutions. Experience working within Building Services / MEP Design. Building Services Designer

Senior Mechanical Engineer Building Services Contractor Salary - £70k to £80k Following 12 months of continuous employment, you are entitled to become a beneficiary of the Employee-Owned Trust (EOT) scheme.

Kent based consultancy is searching for a career driven Intermediate Mechanical Design Engineer to join their dynamic team.

They are looking to recruit someone at an intermediate/senior level, this person will be expected to be qualified and proficient, with a good overall knowledge within building services engineering, they will need to communicate effectively and will need to be able to perform their own surveys as par

My client is a well-established engineering consultancy who is looking for a Mechanical Design Engineer to join its building services team. The RoleYou will be responsible for delivering mechanical building services design across a range of projects. The role would suit

P&M Recruitment is working on behalf ofa leading privately owned Building Services Consultancy, they would like to appoint a permanent and experienced Mechanical Design Engineer based within their London Office. Within this role you will have the opportunity to:<

Mechanical Service Engineer (Building Services). Are you a Mechanical Service Engineer from a Building Services background looking to cover a local patch for a renowned company, offering fully funded security clearance, ample training and overtime to increase your earning potential?.

Mobile Building Services Engineer Location: London Hours: 8:00-17:00 Monday to Friday My clients seeking an experienced Mobile Building Service Engineer to carry out building maintenance works for their c

A leading building services consultancy in Greater London is looking for an Intermediate Electrical Engineer to join their team. This hybrid role involves delivering electrical designs while supporting senior engineers across various projects. Ideal candidates should have a degree in Electrical Engi

Have a working knowledge of UK mechanical building services design, including relevant standards, codes and regulations, and a proven track record of delivering a variety of UK Building Services MEP projects. We are one of the world’s leading engineering and professional services firms. To find ou

Working knowledge of UK mechanical building services design, including relevant standards, codes and regulations; proven track record delivering UK Building Services MEP projects. Principal Mechanical Engineer (Building Services) – Feltham, Middlesex; Basingstoke, Southampton, Guildford (UK locati

An innovative building services consultancy is seeking a Senior / Principal Electrical Building Services Engineer to join their North Yorkshire office. The role requires a degree in building services or electrical engineering, proficiency in design software like AutoCAD, and significant experience.

Play a critical part in shaping the future of our workplace by overseeing and guiding the design, installation, and commissioning of all building services to meet our safety, performance, and sustainability standards. Degree qualifications in mechanical or electrical engineering, ideally with profes

A leading real estate services firm in Greater London is seeking a skilled candidate for the role focused on the maintenance of mechanical systems. An ideal candidate will have at least 3 years’ experience and proficiency in building management systems.

Candidates should have over 10 years of experience in the Building Services industry, along with essential qualifications such as C&G in electrical/mechanical and strong communication skills. A leading facility management company is seeking a Multi-Skilled Engineer based in London to handle planned

KHR is currently partnering with an established building services engineering company based in Surrey, seeking to hire an intermediate HVAC Design Engineer on a full-time permanent basis. As an HVAC Design Engineer, you will deliver high-quality mechanical engineering solutions for diverse projects.

A prestigious parliamentary institution in the UK is seeking a Mechanical Engineer to maintain and modernise its mechanical systems. Ideal candidates should have strong communication and project management skills, along with a proactive approach to innovation and sustainability in engineering soluti

Principal Electrical Design Engineer (Building Services). You will collaborate with top engineers in the industry and work closely with the Directors who remain heavily involved in all aspects of ongoing projects. A dynamic and rapidly growing company is seeking a Principal Electrical Design Enginee

Ideally will have an Engineering Degree or equivalent and experience working in the Construction industry within Building Services. BAM UK & Ireland is recruiting a Building Services Electrical Engineer to join the Construction Segment, based in London. It’s how we engineer vital infrastructure an

The ideal candidate will have substantial experience in mechanical building services design and should be Chartered or on the way to becoming one. A leading engineering firm is looking for a Senior Mechanical Engineer to join their London office.

It’s how we engineer vital infrastructure and construct high-quality buildings as one of the largest construction companies in Europe. Building a sustainable tomorrow. Building a sustainable tomorrow.

You will be mentored by experienced engineers and learn to draw mechanical services using AutoCAD, size pumps and ducts, and assist with project delivery on residential and commercial projects. A forward-thinking consultancy in the UK seeks a graduate in mechanical engineering for a design role in t

Electrical Design Engineer – Building Services. A degree (or equivalent experience) in Electrical Engineering or Building Services. As an Intermediate Electrical Design Engineer, you'll play a key role in the design and delivery of building services on a wide variety of innovative and inspiring pr

A building services company is seeking an M&E Project Engineer to manage projects in and around London. The ideal candidate should have a strong understanding of building regulations and mechanical and electrical engineering experience.

A facilities management company is seeking an experienced Building Services Engineer to join its team in London. The role involves performing maintenance, fault-finding on HVAC plants, and ensuring compliance across building systems. Engineers will work in a premium office environment with opportuni

Senior Mechanical Engineer - Building Services. Building Services in London consists of more than a 100 mechanical, electrical, and PH engineers. Cross sector experience, with a particular interest in individuals with healthcare and / or defence sectors within Building Services.

A leading Engineering Consultancy in the East Midlands is seeking a Senior Mechanical Engineer to join their expanding team. The successful candidate will have proven Building Services Design experience and will work on a variety of projects.

A facilities management company is seeking a Multi-skilled Maintenance Engineer with a mechanical bias to ensure planned preventive maintenance and support event set-ups at client sites in London. Candidates should have NVQ Level 3 in Mechanical Engineering and experience in a similar environment.

A specialist engineering organization is seeking an Electrical Maintenance Engineer (Electrically Biased with Mechanical Knowledge) to join their team in Central London. The role involves maintaining and servicing cutting-edge plant and systems in a prestigious building.

A leading Yorkshire-based Mechanical & Electrical Contractor seeks experienced Mechanical Building Services Design Engineers.

A leading energy solutions provider in the UK seeks an experienced Electrical Engineer to focus on building services and energy efficiency.

This Building Services, Mechanical and Electrical Engineering specific consultancy are now looking to complement their Derby team with a new Senior Mechanical Engineer with proven Building Services Design experience. Senior Mechanical Engineer Building Services. You will be reporting to the Associat

Hours: Monday - Friday 08:00 - 17:00 - 10:00 - 19:00.For detailed information regarding the responsibilities of the role please email Ticket Loan (after 6 months’ service).Private Medical Insurance – Inc Dental, Optical and audio.