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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 SC/DV clearance required.
- Other info: Collaborative team environment with opportunities to engage in complex projects.
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.
- 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.
- Proven experience supporting the installation, configuration, administration, and support of secure infrastructure solutions.
- Strong understanding and administration of PKI hierarchies.
- Knowledge of security frameworks including NIST CSF, ISO 27001, and MOD Secure by Design (SbD).
- Experience providing security input to: Virtualisation technologies (VMware ESXi 8, vCentre 8), Network infrastructure (Cisco IOS-XE, ASA, BGP, VRF/MPLS, VPN, QoS).
- Clear understanding of JSP 604 / JSP 453 network security engineering compliance.
- Cyber security certifications such as: CompTIA Security+, GIAC Security Essentials (GSEC), Systems Security Certified Practitioner (SSCP).
- 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 in London 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 in London
✨Tip Number 1
Network like a pro! Attend industry events, meetups, or online webinars related to security infrastructure. Engaging with professionals in the field can open doors and lead to job opportunities that aren't even advertised.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving VMware, Linux, or cyber security. This gives potential employers a tangible sense of what you can bring to the table.
✨Tip Number 3
Prepare for interviews by brushing up on your knowledge of JSP 453 and JSP 604 compliance. Be ready to discuss how you've tackled security risks in past roles, as this will demonstrate your expertise and problem-solving abilities.
✨Tip Number 4
Don't forget to apply through our website! We have a range of roles that might suit your skills, and applying directly can sometimes give you an edge over other candidates. Plus, we love seeing applications from proactive individuals like you!
We think you need these skills to ace Security Infrastructure Engineer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Security Infrastructure Engineer role. Highlight your experience with SC/DV clearance, VMware, and Linux, as well as any relevant cyber security projects you've worked on. We want to see how your skills match what we're looking for!
Showcase Your Experience: In your application, don't just list your skills—show us how you've used them in real-world situations. Talk about your experience with secure infrastructure solutions and any specific projects that demonstrate your expertise. This helps us understand your practical knowledge.
Be Clear and Concise: When writing your application, keep it clear and to the point. Use bullet points where possible to make it easy for us to read. We appreciate a well-structured application that gets straight to the important bits without unnecessary fluff!
Apply Through Our Website: We encourage you to apply through our website for the best chance of getting noticed. It streamlines the process for us and ensures your application goes directly to the right team. Plus, it shows you're keen on joining StudySmarter!
How to prepare for a job interview at CBSbutler Holdings Limited trading as CBSbutler
✨Know Your Security Frameworks
Make sure you brush up on security frameworks like NIST CSF and ISO 27001. Be ready to discuss how you've applied these in past roles, especially in regulated environments. This shows you understand the compliance landscape and can navigate it effectively.
✨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, particularly how you've configured and maintained secure infrastructure solutions.
✨Understand the Role of Collaboration
This role involves working closely with various stakeholders like the Project Manager and Technical Design Architect. Be prepared to discuss how you've successfully collaborated in previous projects, highlighting your communication skills and ability to coordinate with different teams.
✨Prepare for Scenario-Based Questions
Expect questions that ask you to identify security risks or recommend mitigations based on hypothetical scenarios. Practise articulating your thought process clearly, as this will demonstrate your problem-solving skills and understanding of secure design principles.
