At a Glance
- Tasks: Design and maintain secure infrastructure in Kubernetes, optimising security tooling and automating tasks.
- Company: Specialist tech business focused on Defence and National Security solutions.
- Benefits: Competitive salary, 25 days holiday, private medical, and strong professional development support.
- Other info: Join a culture of innovation with excellent career progression opportunities.
- Why this job: Make a real impact on critical operations and work with a forward-thinking team.
- Qualifications: Experience in Security Engineering or Platform Engineering, with strong Kubernetes skills.
The predicted salary is between 60000 - 75000 £ per year.
Join a specialist technology business delivering secure, mission-critical solutions that support Defence and National Security. This is a role where your work directly contributes to protecting critical operations and enabling smarter, faster decision-making.
Role Overview:
- Location: Hampshire
- Package: Competitive salary + bonus, 25 days holiday + bank holidays, private medical, life assurance, 10% employer pension, training support
- Industry: Defence & National Security Technology
What You’ll Be Doing:
- Designing and maintaining secure infrastructure within Kubernetes environments
- Managing and optimising security tooling for monitoring, logging, and threat detection
- Running vulnerability scanning processes and supporting remediation efforts
- Embedding security into CI/CD pipelines and cloud-native workflows
- Automating security tasks using scripting and infrastructure-as-code
- Working closely with DevOps and engineering teams to promote secure-by-design practices
- Maintaining clear documentation across systems, configurations, and processes
- Supporting the continuous improvement of platform security and observability
Main Skills Needed:
- Background in Security Engineering, Platform Engineering, or similar
- Strong hands-on experience with Kubernetes and container environments
- Proven experience with tools such as Splunk and Nessus
- Knowledge of SIEM, observability, and vulnerability management practices
- Scripting or automation capability (Python, Bash, or similar)
- Understanding of container security and DevSecOps principles
- Familiarity with threat frameworks and security best practices
- Experience with tools such as Microsoft Defender or similar security platforms
- Exposure to infrastructure-as-code and CI/CD security integration
- Relevant certifications (e.g. CKA, CISSP, CEH) are beneficial
What’s in It for You:
- Work on meaningful, high-impact projects within secure and complex environments
- Be part of a collaborative, forward-thinking team solving real-world challenges
- Strong focus on professional development, training, and career progression
- A culture built on innovation, quality, and continuous improvement
- Excellent benefits package supporting your wellbeing and future
- Modern on-site facilities including gym, café, and breakout spaces
- Opportunity to contribute to a growing organisation with ambitious plans
Call to Action:
Curious? Apply now — or grab five minutes with us to hear more.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
By applying you are confirming you are happy to be added to the Addition Solutions mailing list regarding future suitable positions. You can opt out of this at any time simply by contacting one of our consultants.
Senior Platform Engineer in Belfast employer: Addition
Join a leading technology firm in Hampshire that is dedicated to delivering secure, mission-critical solutions for Defence and National Security. With a strong emphasis on professional development and a collaborative work culture, employees enjoy a competitive benefits package, including generous holiday allowances and modern facilities. This is an excellent opportunity to contribute to impactful projects while advancing your career in a supportive environment.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Platform Engineer in Belfast
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, attend meetups, and connect on LinkedIn. The more people you know, the better your chances of landing that Senior Platform Engineer role.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those involving Kubernetes and security tooling. This gives potential employers a taste of what you can do.
✨Tip Number 3
Prepare for interviews by brushing up on common technical questions related to security engineering and platform management. Practice explaining your thought process clearly; it’s all about demonstrating your expertise!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love hearing from passionate candidates who are eager to make a difference in Defence and National Security.
We think you need these skills to ace Senior Platform Engineer in Belfast
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that match the Senior Platform Engineer role. Highlight your hands-on experience with Kubernetes and any relevant security tools you've used, as this will show us you're a great fit for the job.
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're passionate about working in Defence and National Security. Share specific examples of how you've contributed to secure infrastructure or automated security tasks in previous roles.
Showcase Your Certifications:If you have relevant certifications like CKA, CISSP, or CEH, make sure to mention them prominently in your application. These credentials can really set you apart and demonstrate your commitment to security best practices.
Apply Through Our Website:We encourage you to apply directly through our website. This not only streamlines the process but also ensures your application gets the attention it deserves. Plus, it’s super easy to do!
How to prepare for a job interview at Addition
✨Know Your Tech Inside Out
Make sure you’re well-versed in Kubernetes and the security tools mentioned in the job description. Brush up on your experience with Splunk, Nessus, and any scripting languages like Python or Bash. Being able to discuss specific projects where you've used these technologies will show your hands-on expertise.
✨Showcase Your Security Mindset
Since this role is all about security, be prepared to talk about how you've embedded security into CI/CD pipelines or automated security tasks. Share examples of how you've managed vulnerabilities and improved platform security in past roles. This will demonstrate your proactive approach to security.
✨Prepare for Scenario-Based Questions
Expect questions that ask how you would handle specific security challenges or incidents. Think through potential scenarios related to threat detection or vulnerability management and be ready to explain your thought process and decision-making. This will highlight your problem-solving skills and technical knowledge.
✨Ask Insightful Questions
At the end of the interview, don’t forget to ask questions that show your interest in the company’s mission and culture. Inquire about their current security challenges or how they promote a secure-by-design approach within teams. This not only shows your enthusiasm but also helps you gauge if the company is the right fit for you.
