VAUBREN
An MQ-9 unmanned aircraft on the flight line at dusk, archival photograph

Careers

Engineering at Vaubren.

Open roles

Working here

Help develop aircraft,
software and electronics.

We are building our engineering team in Bulgaria. All roles are full-time, and start dates are agreed with each candidate.

Send your CV, a profile or a short introduction. No account is required.

Open roles

Explore the roles below. Select a title to read the details, or apply directly.

9 roles

Engineering · Across all programmesSystems Engineering LeadBulgaria Full-time

The work

Lead the technical programme from requirements through integration and validation. Help a small team make clear, testable engineering decisions.

What you bring

Experience delivering complex hardware and software programmes; strong systems thinking, technical leadership and practical verification discipline.

Apply for this role
Apply
Engineering · VanguardMechanical & Aerospace EngineerBulgaria Full-time

The work

Develop mechanical designs, prototype hardware and work with suppliers and test engineers to turn product concepts into manufacturable assemblies.

What you bring

Experience taking aerospace, robotics or other complex mechanical hardware from CAD through prototypes and test.

Apply for this role
Apply
Engineering · Vanguard · HeadlandEmbedded Systems & Avionics EngineerBulgaria Full-time

The work

Develop embedded software and electronics, integrate hardware interfaces and establish reliable bench-testing and diagnostic workflows.

What you bring

Hands-on embedded development, electronics integration and debugging experience; a disciplined approach to reliability and documentation.

Apply for this role
Apply
Software · Vanguard · CitadelRobotics Software EngineerBulgaria Full-time

The work

Build robotics software, simulation tools and system interfaces. Work with the wider engineering team on integration, observability and validation.

What you bring

Experience with robotics software, real-time systems or simulation; strong software engineering and test practices.

Apply for this role
Apply
Software · CitadelSoftware Engineer, CitadelBulgaria Full-time

The work

Build clear operator interfaces and the services behind them. Connect system information, permissions and activity records in a dependable software product.

What you bring

Experience shipping production software, with strengths in frontend, backend or distributed systems and an interest in complex operational interfaces.

Apply for this role
Apply
Engineering · HeadlandSensor Integration EngineerBulgaria Full-time

The work

Integrate sensing, communications and computing components. Plan field evaluations and help turn environmental requirements into reliable hardware and software interfaces.

What you bring

Experience integrating sensors and embedded systems in robotics, maritime, industrial or aerospace environments.

Apply for this role
Apply
Test & production · Across all programmesTest & Validation EngineerBulgaria Full-time

The work

Develop test plans, run controlled evaluations, record results and work with engineers to resolve defects. Help establish a safety-led, evidence-based validation process.

What you bring

Experience with hardware/software validation, instrumentation and test reporting in a regulated or safety-critical environment.

Apply for this role
Apply
Test & production · Across all programmesManufacturing & Supply Chain LeadBulgaria Full-time

The work

Build supplier relationships, prototype procurement and production planning. Establish traceability, cost control and repeatable assembly processes as the programmes mature.

What you bring

Experience moving complex hardware from prototype towards production, including supplier qualification and practical manufacturing operations.

Apply for this role
Apply
Test & production · Across all programmesQuality & Compliance EngineerBulgaria Full-time

The work

Establish quality processes, configuration control and technical documentation. Coordinate regulatory and certification work with engineering and specialist advisers.

What you bring

Experience with quality systems and compliance in aerospace, defence or another regulated hardware industry; careful judgement and clear documentation.

Apply for this role
Apply

Don’t see your role?

Tell us where you could contribute.

Open application

How to apply

Apply

Choose a role and send a profile, CV or introduction. No separate cover letter is required.

Meet the team

Relevant applicants can discuss their experience, interests and the needs of the planned team.

Discuss timing

Responsibilities, location and compensation would be agreed during hiring. Starting work depends on funding.

Before you apply.

Are these roles starting immediately?

No. These are planned roles and their start dates depend on funding.

Where would I work?

The planned operating base is Bulgaria. You can indicate whether you are already based there or would like to discuss relocation.

Do I need a CV?

A LinkedIn or portfolio link is enough to begin. You may instead upload a PDF CV or write a brief introduction.

How will my information be used?

We use it to review your application and contact you. Read the applicant privacy notice for details.

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