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- Tasks: Design and support secure infrastructure for mission-critical defence systems.
- Company: Join a leading organisation in secure technology with a focus on defence.
- Benefits: Enjoy flexible working, private healthcare, and career development opportunities.
- Why this job: Make a real-world impact while working on high-availability platforms.
- Qualifications: Experience in infrastructure engineering, Windows Server, and Red Hat Linux required.
- Other info: Diverse and inclusive workplace with clear career pathways.
The predicted salary is between 28800 - 48000 £ per year.
This organisation delivers secure, mission-critical technology that underpins complex defence environments. This role sits at the heart of that mission — ensuring resilient, compliant infrastructure that genuinely makes a difference.
Location: UK-based (flexible working available)
Package: Competitive salary, bonus, strong benefits
Industry: Defence / Secure Technology
What You’ll Be Doing:
- Designing and supporting secure infrastructure for complex, high-availability platforms.
- Bridging IT and OT environments to keep mission-critical systems running smoothly.
- Managing and optimising Windows Server and Red Hat Linux estates.
- Building and maintaining virtualised environments using VMware and Hyper-V.
- Overseeing IT assets, with automated monitoring and reporting baked in.
- Embedding cyber best practice, running vulnerability assessments, and meeting strict compliance standards.
Main Skills Needed:
- Solid background in infrastructure engineering or systems administration.
- Strong hands-on experience with Windows Server and Red Hat Linux.
- Proven use of virtualisation technologies (VMware, Hyper-V).
- Good understanding of cybersecurity, vulnerability management, and secure design.
- Exposure to regulated or high-assurance environments (defence experience a plus).
- Experience with asset management and monitoring/automation tools.
What’s in It for You:
- Flexible working options, including compressed fortnights.
- Private healthcare and cash health plan.
- Holiday buy and sell scheme.
- Clear career development pathways, training, and mentoring.
- The chance to work on projects with real-world national impact.
- Support through the UK SC security clearance process (Sole UK Nationals only).
If you’re nodding along, let’s take the next step. 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.
Infrastructure System Administrator employer: Addition Solutions Ltd
Contact Detail:
Addition Solutions Ltd Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Infrastructure System Administrator
✨Tip Number 1
Network like a pro! Reach out to folks in the defence and secure technology sectors. Attend industry events or webinars, and don’t be shy about connecting on LinkedIn. We all know that sometimes it’s not just what you know, but who you know!
✨Tip Number 2
Prepare for those interviews by brushing up on your technical skills. Make sure you can talk confidently about Windows Server, Red Hat Linux, and virtualisation technologies like VMware and Hyper-V. We want you to shine when discussing how you can keep mission-critical systems running smoothly!
✨Tip Number 3
Showcase your experience with cybersecurity and compliance. Be ready to discuss any vulnerability assessments you've conducted or best practices you've implemented. We’re looking for candidates who can embed cyber best practices into their work, so let that passion show!
✨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 seeing candidates who take the initiative. So, go ahead and hit that apply button — your future self will thank you!
We think you need these skills to ace Infrastructure System Administrator
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Windows Server, Red Hat Linux, and virtualisation technologies like VMware and Hyper-V. We want to see how your skills align with the role, so don’t be shy about showcasing your relevant projects!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about secure technology and how your background in infrastructure engineering makes you a perfect fit for our mission. Keep it engaging and personal!
Showcase Your Cybersecurity Knowledge: Since cybersecurity is key in this role, make sure to mention any experience you have with vulnerability assessments and compliance standards. We love seeing candidates who are proactive about embedding cyber best practices in their work.
Apply Through Our Website: We encourage you to apply directly through our website for a smoother process. It helps us keep track of your application and ensures you don’t miss out on any updates. Plus, it’s super easy!
How to prepare for a job interview at Addition Solutions Ltd
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of Windows Server and Red Hat Linux. Be ready to discuss your hands-on experience with these systems, as well as any virtualisation technologies like VMware and Hyper-V. The more specific examples you can provide, the better!
✨Understand Cybersecurity Fundamentals
Since this role involves embedding cyber best practices, it’s crucial to demonstrate your understanding of cybersecurity and vulnerability management. Prepare to talk about any past experiences where you’ve implemented security measures or conducted vulnerability assessments.
✨Showcase Your Problem-Solving Skills
This position is all about ensuring resilient infrastructure. Think of scenarios where you’ve had to troubleshoot or optimise systems under pressure. Be ready to share how you approached these challenges and what the outcomes were.
✨Familiarise Yourself with Compliance Standards
Given the nature of the defence industry, understanding compliance standards is key. Research relevant regulations and be prepared to discuss how you’ve ensured compliance in previous roles. This will show that you’re not just technically savvy but also aware of the bigger picture.
