Principal Engineer – Combat Systems (External Communications)

BAE Systems; Plymouth; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

BAE Systems is seeking a Principal Engineer for Combat Systems (External Communications) to integrate advanced systems into the submarine ECS baseline. The successful candidate will ensure compliance with LCM principles while engaging with various stakeholders in the defense sector. This role presents an exceptional opportunity for career development within a leading defense company, offering competitive benefits and hybrid working options.

Benefits

Competitive pension scheme

Enhanced annual leave

Share Incentive Plan

Flexible working

Employee assistance programme

Qualifications

• Thorough understanding of LCM principles and process management.
• Degree qualified or equivalent level of relevant experience.
• Robust awareness of Product Safety and SHE.

Responsibilities

• Develop and integrate emergent equipment into the ECS baseline design.
• Support acceptance and qualification criteria throughout the Life Cycle Management process.
• Produce documentation for the design review process.

Skills

LCM principles

Product Safety Awareness

Systems Integration

Knowledge of External Communications Systems

Education

Degree qualified or equivalent experience

Job description

Principal Engineer – Combat Systems (External Communications)

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Principal Engineer – Combat Systems (External Communications)

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Job Title: Combat Systems Engineer (External Communications System (ECS) Submarines)

Location: Southern sites (Frimley, Filton, Devonport) – We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role.

Salary: Negotiable dependant on experience

What You’ll Be Doing

• Provide specialist knowledge and Subject Matter Expertise (SME), to assist in the development and integration of emergent equipment/systems into the submarine ECS baseline design
• Support equipment/system associated acceptance and qualification criteria of the ECS through design, build, integration, installation and commissioning phases, through the Life Cycle Management (LCM) process. To include full adherence to the CADMID framework as used in Defence Acquisition
• Produce documentation required to support the design review process, including; technical specifications, design evidence and justification
• Provide specialist technical support to the system integrator for the Combat System Development and Integration Facility and platform installations, including commissioning and Setting to Work (STW) activities
• Provide engineering assistance, guidance and recommendations relating to equipment/system maintenance routines and supporting submarine platform operational defect rectification
• Provide technical guidance to other combat system engineers, specialist engineering services and support the engineering management team in planning and controlling specialist activities
  
  

Your Skills And Experiences

• Thorough understanding of LCM principles and process management
• Degree qualified or equivalent level of relevant experience
• Robust awareness of Product Safety and SHE
• Experience with engaging with MoD and industry stakeholders
• Knowledge of External Communications Systems (ECS) in the maritime defence domain
• Knowledge of systems integration and commissioning
  
  

Benefits

You’ll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You’ll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts – you may also be eligible for an annual incentive

The In-Service ECS Team

As part of the In-service ECS Engineering Team, this role will include regular engagement with a variety of departments, including key stakeholders within BAE and the MoD in order to provide development and delivery of the final product to meet the customer’s requirements. You will also be supporting the ECS Technical Authority (TA) that provides system assurance of the common External Communications System (cECS) for both Vanguard and Astute class submarines. This role offers a great opportunity for further professional development supporting UK defence to build a lasting career.

We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

Why BAE Systems?

This is a place where you’ll be able to make a real difference. You’ll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you’ll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments.

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: 9th July 2025

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.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Defense and Space Manufacturing

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