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- Tasks: Support secure infrastructure installation and maintenance in a dynamic defence environment.
- Company: Join a leading organisation focused on cyber security and defence.
- Benefits: Competitive daily rate, hybrid work model, and opportunities for professional growth.
- Why this job: Make a real impact in national security while working with cutting-edge technologies.
- Qualifications: Experience in security infrastructure engineering and strong knowledge of compliance standards.
- Other info: Collaborate with diverse teams in a fast-paced, regulated environment.
We are seeking an experienced Security Infrastructure Engineer to support the Security Team in the installation, configuration, maintenance, and update of servers and software components. Working closely with the Project Manager (PM), Technical Design Architect (TDA), Security Assurance Coordinator (SAC), and wider engineering teams, you will play a key role in delivering compliant, accredited, and secure infrastructure solutions within a complex defence environment.
Key Responsibilities
- Support the installation, configuration, administration, and maintenance of secure infrastructure and software components.
- Work with the PM, TDA, and engineering teams to produce system security engineering designs, solutions, and documentation.
- Act as the primary security engineering conduit between PM, SAC, TDA, and engineering teams to ensure compliant security solutions.
- Attend and contribute to regular governance and review meetings, including the Security Working Group (SWG).
- Engage with stakeholders and dependent projects to deliver coordinated security engineering solutions supporting accreditation and registrations.
- Contribute to the Security Accreditation Plan in coordination with the Project SAC.
- Validate engineering designs against JSP 453 / JSP 604, providing supporting evidence and documentation.
- Identify security risks, recommend mitigations, and advise on secure design decisions.
- Provide advice on in-service and emerging cyber security technologies, including cost, risk, and benefits analysis.
Essential Knowledge, Skills & Experience
- Strong experience in security infrastructure engineering within secure or regulated environments.
- Infrastructure access control expertise, including:
- Ubuntu / Linux system administration
- LDAP design and management
- RADIUS / TACACS configuration
- Virtualisation technologies (VMware ESXi 8, vCentre 8)
- Network infrastructure (Cisco IOS-XE, ASA, BGP, VRF/MPLS, VPN, QoS)
Highly Desirable Qualifications
- Cyber security certifications such as:
- CompTIA Security+
- GIAC Security Essentials (GSEC)
- Systems Security Certified Practitioner (SSCP)
Desirable Skills & Experience
- Scripting and automation (Python, PHP).
- Delivery in high-pressure, complex organisational environments.
- Writing and analysing technical and security requirements.
- Supporting product selection against cost, performance, and timescale constraints.
- Experience working within large, multi-disciplinary technical teams.
- Knowledge of Cyber Essentials / Cyber Essentials Plus.
- Experience with penetration testing and system security assurance.
- In-date professional registration (e.g. APMG, CIISec).
- Experience delivering secure solutions within the UK public sector, ideally Defence Digital.
- Delivery experience across Agile (SAFe4) and Waterfall methodologies.
- Knowledge of SCOM.
If you would like to discuss this Security Infrastructure Engineer role in more detail, please send your updated CV to (url removed) and I will get in touch.
Security Infrastructure Engineer employer: CBSbutler Holdings Limited trading as CBSbutler
Contact Detail:
CBSbutler Holdings Limited trading as CBSbutler Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Security Infrastructure Engineer
✨Tip Number 1
Network, network, network! Reach out to your connections in the defence sector and let them know you're on the hunt for a Security Infrastructure Engineer role. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Tip Number 2
Prepare for interviews by brushing up on your technical skills and understanding of security frameworks like NIST CSF and ISO 27001. Be ready to discuss your experience with VMware, Linux, and any relevant cyber security technologies. Confidence is key!
✨Tip Number 3
Don’t just apply anywhere; focus on roles that match your skills and experience. Use our website to find positions that fit your profile perfectly. Tailor your approach to each application to show you’re genuinely interested in the specific role.
✨Tip Number 4
Follow up after interviews! A quick thank-you email can go a long way in keeping you top of mind. Mention something specific from the interview to remind them of your conversation and reinforce your enthusiasm for the role.
We think you need these skills to ace Security Infrastructure Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with security infrastructure engineering, especially in secure environments. Use keywords from the job description to show we’re on the same page!
Show Off Your Skills: Don’t just list your skills; give examples of how you’ve used them in past roles. If you’ve worked with VMware, Linux, or have SC/DV clearance, let us know how that made a difference in your projects.
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Explain why you’re passionate about cyber security and how your background makes you a perfect fit for our team. Keep it engaging and relevant!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from us!
How to prepare for a job interview at CBSbutler Holdings Limited trading as CBSbutler
✨Know Your Security Frameworks
Make sure you brush up on your knowledge of security frameworks like NIST CSF and ISO 27001. Be ready to discuss how these frameworks apply to the role and how you've used them in past projects.
✨Showcase Your Technical Skills
Prepare to talk about your experience with VMware, Linux, and infrastructure access control. Have specific examples ready that demonstrate your expertise in these areas, especially in secure environments.
✨Understand the Compliance Landscape
Familiarise yourself with JSP 453 and JSP 604 compliance requirements. Be prepared to explain how you've ensured compliance in previous roles and how you would approach it in this position.
✨Engage with Stakeholders
Highlight your experience working with project managers and technical teams. Discuss how you’ve effectively communicated security needs and collaborated on solutions in past projects, as teamwork is crucial in this role.
