Defence Careers

Principal roles

121 open roles

Every principal role on Defence Careers, updated daily from company career pages. Jobs at the companies building European and allied defence.

Open roles

TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH · Schrobenhausen

Als führendes deutsches System­­haus für Luft­ver­tei­digung, Lenk­flug­körper und Laser­techno­logie entwickeln wir heute die Lösungen gegen die Bedrohungen von morgen und bringen Spitzentechnologie zur Serienreife.

PrincipalEngineering16 days ago

Airbus Defence and Space · Guildford · Newcastle Upon Tyne

SECURITY CLEARANCE: Eligibility to gain SC Security Clearance

HybridPrincipalEngineering17 days ago

Airbus Defence and Space · Guildford · Newcastle Upon Tyne

SECURITY CLEARANCE: Eligibility to gain SC Security Clearance

HybridPrincipalEngineering17 days ago

Leonardo · GB

Leonardo UK operates a grade based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market.

£53k – £71kPrincipalEngineering20 days ago

Leonardo · GB

Leonardo UK operates a grade based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market.

£53k – £71kPrincipalEngineering21 days ago

Leonardo · GB

Salary: Senior: £45, 200 to £61,950 / Principal: £53,300 to £71,400

£45k – £62kPrincipalEngineering21 days ago

Leonardo · GB

Leonardo UK operates a grade based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market.

£54k – £71kPrincipalEngineering21 days ago

Airbus Defence and Space · Newport

SECURITY CLEARANCE: Must have or be able to obtain UK Eyes Only SC Security Clearance via the UK Intelligence Community (UKIC) process.

HybridPrincipalEngineering22 days ago

Leonardo · GB

Leonardo UK operates a grade based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market.

£53k – £65kPrincipalFinance23 days ago

Leonardo · GB

Leonardo UK is seeking a proven and experienced Principal Consultant to join the Cyber & Security Solutions Division team. This role is focused on the delivery of one of the company’s core products to an existing customer.

PrincipalConsulting & Advisory24 days ago

Leonardo · GB

Leonardo UK operates a grade based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market.

HybridPrincipalEngineering24 days ago

STARK · Munich

As a Battery System Engineer, you will be responsible for the end to end design, development, and integration of high performance battery packs for our fleet of drones.

PrincipalEngineering28 days ago

Airbus Defence and Space · Manching

We develop top notch, high fidelity Engineering and Training Simulations for a variety of aircraft, supporting the entire development lifecycle. We are looking for a

PrincipalEngineering28 days ago

Leonardo · GB

We are looking for a Principal or Lead Systems Engineer to provide technical support within the Integrated Communication Systems (ICS) business group, covering Naval Systems.

HybridPrincipalEngineering29 days ago

Leonardo · GB

Do you want to grow your career in network engineering and work on projects that safeguard the UK’s national interests? At Leonardo, our Network Systems Engineers are at the heart of designing, configuring, and supporting secure networks that keep our customers connected and…

OnsitePrincipalEngineering29 days ago

Leonardo · GB

Are you a Systems Engineer who loves contributing to the UKs Defence Industry and making impactful change? Leonardo has a fantastic opportunity for an Engineer to be responsible for the design and development of security related functionality required to support our next…

PrincipalEngineering29 days ago

Leonardo · GB

Leonardo has an exciting vacancy for a Principal Test Systems Engineer, based at our dedicated Test Facility in Southampton. We are looking for an experienced Test Engineer to act as point of contact for Project Teams and coordinate the work for a multi disciplined team of Test…

PrincipalEngineering29 days ago

Leonardo · GB

Are you a Solutions Architect who loves contributing to the UKs Defence Industry and making impactful change? Leonardo has an exciting opportunity for someone with a background in Defence Communications or Cyber & Electromagnetic Activities (CEMA) to enhance the leadership and…

HybridPrincipalEngineering29 days ago

Leonardo · GB

Leonardo has an exciting opportunity for a Senior or Principal Systems Engineer to work on real engineering problems, designing and developing our system of systems solutions.

PrincipalEngineering29 days ago

Leonardo · GB

Due to continued growth, Leonardo has an exciting opportunity for a Solutions Architect to join our Mission Systems C UAS Team. Where we provide world leading solutions to an increasing worldwide threat and our teams work alongside international government agencies, helping to…

HybridPrincipalEngineering29 days ago

STARK · Munich

We are focused on delivering deployable, high performance systems — not future promises. In a time of rising threats, STARK is bolstering the technological edge of NATO Allies and their Partners to deter aggression and defend Europe, today.

PrincipalEngineering29 days ago

Leonardo · GB

Due to continued growth and development of C UAS Software Systems, we have a requirement for a C UAS Software Architect to join our Mission Systems C UAS team where a constantly developing product range needs to answer both current needs and track future customer aspirations.

PrincipalEngineeringlast month

Leonardo · GB

As an Embedded Software Architect, you'll play a key role in shaping the future of cutting edge systems, working at the forefront of software innovation.

PrincipalEngineeringlast month

Leonardo · GB

Are you a software engineer with a working knowledge of Artificial Intelligence (AI) and Machine Learning (ML)? Are you interested in developing software for some of the most cutting edge defence and aerospace projects in the UK?

PrincipalEngineeringlast month

About these results

What is on this page

Defence Careers is tracking 121 open principal roles, read directly from employers' own careers pages rather than reposted from another board. Most are in the United Kingdom (66), Germany (29) and France (12), across 8 countries in total.

Of those, 121 are pitched at principal level, 3 can be done remotely and 113 sit in engineering. The employers hiring are Leonardo, Airbus Defence and Space, The Exploration Company and ARX Robotics, plus 4 others. Every listing links straight to their own application page — this board never sits in between.

How many principal roles are there?

121 right now on Defence Careers. The number moves most days: roles are added as employers post them and removed the day they come down.

Which companies are hiring?

Leonardo, Airbus Defence and Space, The Exploration Company, ARX Robotics and Babcock International, plus 3 more. Each has a profile here listing everything they currently have open.

Are any of these remote?

3 of the 121 say so explicitly. Where a listing is silent we leave it unmarked rather than guessing, so the real figure is likely a little higher.

Other seniority options

Get these by email

We will email you when something new matches principal jobs. No account, no CV, no recruiters.

We only use it for this alert, and every email unsubscribes in one click.