Principal Systems Design Engineer

Job Title:

Principal Systems Design Engineer

Location: Various locations

across the UK and Scotland – Hybrid, up to 3 days per 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: Up to £68,500

depending on skills and experience

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:

You will

class="rec-format">lead the Hybrid Navy Software

System Design workstream, ensuring solutions align with the Product

Owner’s vision and

capability requirements. You will provide technical

class="rec-format">leadership by defining system

requirements and high-level software designs, guiding development

teams to deliver secure, reliable, and certifiable solutions that

meet safety, quality, and performance standards.

Core duties:

• You will provide technical

  class="rec-format">leadership to the software

  system design team, setting the technical direction and enabling

  effective team delivery

• You will ensure

  solutions align with the product vision by defining, interpreting,

  and managing product

  and system requirements

• You will

  class="rec-format">lead the development of

  high-level system and software designs, making and documenting key

  technical and architectural

  class="rec-format">decisions

• You will produce and maintain software design artefacts,

  including requirements

  class="rec-format">analysis, system specifications,

  and internal and external interface definitions

• You will identify and

  class="rec-format">manage technical risks while

  ensuring requirements are appropriately validated, approved, and

  delivered to support successful project outcomes

Essential

skills:

• You will be

  an experienced engineer, possessing broad and deep

  class="rec-format">expertise in systems

  engineering, acquired through work within an engineering or defence

  related industry

• You will have

  class="rec-format">proven knowledge of software

  engineering approaches, processes and procedures, with a working

  knowledge of Agile practices

• You will

  demonstrate significant breadth and diversity of software

  engineering experience on projects or products, combined with

  demonstrable experience of software engineering in a systems

  context

• You will understand business processes

  and the business environment, extends the knowledge base, provides

  specialist technical advice and guidance to other professionals and

  projects

The Combat

Systems Team:

This is an

opportunity for you to come into a team-based environment with

hybrid, cross site working on new technologies and ways of working.

You will gain exposure to new projects and part of the advancements

in Royal Navy Systems.

This will be a highly

visible role, with demanding use of software that is developed with

a aim for it to be running within a Naval Ship

environment.

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

class="rec-format">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

class="rec-format">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

class="rec-format">applicants

class="rec-format">must as a minimum achieve

Baseline Personnel Security Standard. Many roles also require

higher levels of National Security Vetting where

class="rec-format">applicants

class="rec-format">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:

5th October 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-AG1

#LI-Hybrid

#combatsystems