Principal Software Engineer

Principal Software Engineer

Full-Time 63000 - 77000 £ / year (est.) No working from home possible
Cirrus Selection

At a Glance

  • Tasks: Shape the architecture and design of mission-critical software for advanced defence systems.
  • Company: Leading tech firm in defence with a focus on innovation and collaboration.
  • Benefits: Salary up to £70,000, bonus, excellent benefits, and opportunities for growth.
  • Other info: Dynamic role with technical leadership opportunities and a chance to influence cutting-edge technology.
  • Why this job: Make a real impact on complex systems that support national security.
  • Qualifications: Experience in RTI DDS, distributed systems, and software architecture.

The predicted salary is between 63000 - 77000 £ per year.

  • Principal Software Engineer, RTI DDS & Distributed Systems
  • Based in Bristol
  • Salary up to £70,000 + Bonus + Excellent Benefits

Want to work on complex software that sits at the heart of advanced defence systems?

We're looking for an experienced Software Engineer with strong RTI DDS and distributed systems experience to help shape the architecture, design and evolution of mission-critical software used within complex command and control environments.

This is not a coding factory role.

You'll influence software architecture, drive the development of core communications and data models, support system-level design decisions, and provide technical leadership across multiple software teams.

You'll work closely with architects, technical leads and systems engineers to ensure software, middleware and communications frameworks continue to support highly capable, real-world defence systems.

  • What you'll be doing
  • Developing and evolving RTI DDS based communications frameworks
  • Designing and maintaining system-wide data models and IDL definitions
  • Supporting software architecture decisions at system and subsystem level
  • Defining command and control interfaces across complex distributed systems
  • Creating reusable software component templates and design patterns
  • Providing technical guidance to software engineering teams
  • Driving best practice across software design, integration and implementation
  • Supporting the development of high-integrity, mission-critical software
  • You'll need experience in most of the following
  • RTI DDS or Data Distribution Service middleware
  • Distributed systems design and development
  • Software architecture within complex engineering environments
  • IDL design and data modelling
  • System and subsystem integration
  • Command and control systems
  • Technical leadership or senior software engineering responsibilities
  • Working across the full software development lifecycle
  • Communicating effectively with software engineers, architects and systems engineers
  • You’ll stand out if you have experience in
  • Defence, aerospace or other highly regulated industries
  • Real-time systems
  • Mission systems
  • Complex systems integration
  • Safety-critical or high-integrity software environments

If you're curious to learn more, get in touch for a confidential conversation. Even if you're not actively looking, it's worth exploring what's on offer.

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Principal Software Engineer employer: Cirrus Selection

Cirrus Selection is an exceptional employer, offering a dynamic work environment in Bristol where innovation meets collaboration. With a strong focus on employee growth and development, we provide comprehensive benefits and a hybrid working model that promotes work-life balance, making it an ideal place for talented professionals to thrive in the field of network communications.

Cirrus Selection

Contact Details:

Cirrus Selection Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Principal Software Engineer

Join Local Tech Meetups

Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Cirrus Selection or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!

Contribute to Open Source Projects

Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Cirrus Selection.

Tap into Online Developer Communities

Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Cirrus Selection.

Explore Job Boards Specifically for Tech Roles

Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Cirrus Selection that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!

We think you need these skills to ace Principal Software Engineer

RTI DDS
Distributed Systems Design
Software Architecture
IDL Design
Data Modelling
System Integration
Command and Control Systems

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Cirrus Selection.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Cirrus Selection and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at Cirrus Selection

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Cirrus Selection uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.