Senior Software Engineer – Mission Planning & Control

Cirrus Selection; Bristol; On-site; GBP 55,000 - 65,000; Full time

Job summary

A technology firm focusing on mission systems is seeking a Senior Software Engineer in Bristol. You will develop next-gen mission planning and control systems, making a real-world impact. The role offers up to £65,000 plus £2,500 bonus, a generous pension contribution, and flexible leave options. Join a collaborative team tackling complex challenges and mentor others while shaping new products. This role provides autonomy, technical challenges, and on-site facilities with a focus on work-life balance.

Benefits

Salary up to £65,000 + bonus

Up to 14% pension contribution

Overtime

Flexible leave – up to 15 extra days

Great on-site facilities and focus on work-life balance

Qualifications

• Strong skills in Core Java and/or C++.
• Experience taking complex systems from concept to delivery.
• Confidence working with software requirements, design, and validation.
• A practical, collaborative approach — with great communication skills.

Responsibilities

• Developing the next generation of mission planning and control systems.
• Hands-on with design, development, and delivery across the full lifecycle.
• Working in a collaborative team with technical challenges.

Skills

Core Java

C++

Software requirements

Design and validation

Communication skills

Job description

Senior Software Engineer – Mission Planning & Control

Bristol

Up to £65k + bonus

Looking for a role that actually means something?

You will be developing the next generation of mission planning and control systems, complex desktop applications used by armed forces around the world. This is cutting‑edge software engineering that makes a real‑world impact.

You’ll be hands‑on with design, development and delivery across the full lifecycle, working in a tight‑knit, collaborative team. Expect plenty of technical challenges, autonomy, and the chance to mentor others while shaping the direction of new products.

What we’re looking for:

• Strong skills in Core Java and/or C++
• Experience taking complex systems from concept to delivery
• Confidence working with software requirements, design, and validation
• A practical, collaborative approach — with great communication skills

What’s in it for you:

• Salary up to £65,000 + bonus up to £2,500
• Up to 14% pension contribution
• Overtime
• Flexible leave – up to 15 extra days
• Great on‑site facilities and a genuine focus on work‑life balance

You’ll join a company that believes peace, freedom and sovereignty are worth protecting, and that starts with the technology they build.

Even if you’re not actively looking, it’s worth a chat. This could be the most rewarding move you make.