At a Glance
- Tasks: Lead the design and development of innovative defence software that protects lives.
- Company: Join a pioneering tech firm focused on cutting-edge defence technology.
- Benefits: Enjoy private medical cover, flexible hours, and an annual bonus scheme.
- Other info: Mentor junior engineers and contribute to multiple exciting projects.
- Why this job: Make a real impact in security while advancing your career in a dynamic environment.
- Qualifications: Strong experience in C/C++, embedded systems, and software engineering best practices required.
The predicted salary is between 70000 - 90000 £ per year.
Step into a world where innovation meets impact.
This Principal Software Engineer role offers you the chance to be a part of cutting-edge defence technology, driving advancements that redefine security and protect lives.
Working in a dynamic and collaborative environment, you'll lead projects that make a real difference, while enjoying excellent benefits such as private medical cover, flexible working hours, and participation in an annual bonus scheme.
If you're ready to shape the future of defence systems byleading the design, architecture, and delivery of secure embedded and application software within advanced cyber and defence programmes.
You’ll work across the full software lifecycle—from requirements and system design through to implementation, testing, and deployment—while ensuring high standards in performance, security, and reliability.
The position includes technical leadership of small engineering teams, mentoring junior developers, and contributing to multiple concurrent projects with varying scales and complexity.
You’ll apply modern development practices such as object-oriented design, Dev Sec Ops, and continuous integration, while also supporting bids, cost estimation, and technical reviews.
Strong experience in C/C++, embedded systems, and software engineering best practices is essential.
The role requires working in highly regulated environments, including handling sensitive information and meeting strict security standards.
Candidates must be eligible for UK security clearance, reflecting the critical nature of the work.
Overall, this is a senior-level engineering role combining hands-on development with leadership and strategic technical input
What You Will Do
- Architect, design, develop, and test embedded and application software, ensuring high-quality and timely deliverables.
- Apply object-oriented design techniques to enable efficient code re-use and integration with testing frameworks.
- Review system design artefacts to derive software requirements and architecture that align with high-level system objectives.
- Develop and maintain knowledge of best practices in software development, including TDD/BDD, Dev Sec Ops, and secure coding standards.
- Mentor junior engineers, provide technical leadership, and contribute to the improvement of tools, processes, and techniques.
- Generate technical proposals and accurate estimates for bids and projects, ensuring cost and schedule adherence.
What You Will Bring
- A degree in engineering, mathematics, or a science-based subject, or equivalent experience.
- Significant experience in embedded product development, including bare-metal and RTOSes such as Linux or Thread X.
- Expertise in programming languages like C and C++, with a strong grasp of object-oriented design and design patterns.
- Familiarity with software testing, defensive coding standards, and tools for version control and automated testing.
- A proactive approach to problem-solving and a commitment to delivering high-quality solutions.
This Principal Software Engineer role is instrumental in delivering innovative cryptographic and key management solutions that ensure secure communication for customers worldwide.
By contributing to the development of advanced defence systems, you'll play a vital role in shaping the company's mission to provide trusted, pioneering technology.
Location
Based in fulltime onsite in Maidenhead
Interested?
Don't miss this opportunity to advance your career and make a meaningful impact in the defence industry.
Apply today to become a Principal Software Engineer and take the next step in your professional journey.
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Principal Software Engineer in Maidenhead employer: Jonathan Lee
Mazak is an excellent employer that values its employees by offering a supportive work culture and numerous benefits, including 25 days of holiday, life insurance, and an Aviva pension. Located in Worcester, this fast-paced factory role not only provides opportunities for personal growth and skill development but also fosters a collaborative environment where self-motivated individuals can thrive.
StudySmarter Expert Advice🤫
We think this is how you could land Principal Software Engineer in Maidenhead
✨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 Jonathan Lee 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 Jonathan Lee.
✨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 Jonathan Lee.
✨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 Jonathan Lee 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 in Maidenhead
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 Jonathan Lee.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Jonathan Lee 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 Jonathan Lee
✨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 Jonathan Lee 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.
