Infrastructure Security Engineer
Spektrum
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This role on the market
2,026 open infrastructure roles across 290 companies are on ApplySarthi right now, most of them in Bengaluru (66), Hyderabad (28), Delhi NCR (12).
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What infrastructure roles keep asking for: AWS (30%), System design (22%), Kubernetes (21%), Python (21%), Observability (19%), Terraform (15%), CI/CD (13%), Linux (12%) — counted across their open postings here.
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Preparing for this interview
Interviews for infrastructure roles keep coming back to AWS, System design, Kubernetes, Python. Practise those questions before you sit with Spektrum.
Questions you are likely to be asked
- Why do you want to join Spektrum?
- What is your experience with Linux? Tell me one thing you learned the hard way.
- How do you keep secrets and access safe in your infrastructure?
- Walk me through how code gets from a commit to production where you work.
- Tell me about an outage you handled. What did you learn from it?
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Practise the Infrastructure Security Engineer at Spektrum interview free →Spektrum supports apex purchasers (NATO, UN, EU, and National Government and Defence) and their Tier 1 supplier ecosystem with a wide range of specialist services. We provide our clients with professional services, specialised aerospace and defence sales, delivery, and operational subject matter expertise. We are looking for personnel to join our team and support key client projects.
Who we are supporting
The NATO Communication and Information Agency (NCIA) is responsible for providing secure and effective communications and information technology (IT) services to NATO's member countries and its partners. The agency was established in 2012 and is headquartered in Brussels, Belgium.
The NCIA provides a wide range of services, including:
- Cyber Security: The NCIA provides advanced cybersecurity solutions to protect NATO's communication networks and information systems against cyber threats.
- Command and Control Systems: The NCIA develops and maintains the systems used by NATO's military commanders to plan and execute operations.
- Satellite Communications: The NCIA provides satellite communications services to enable secure and reliable communications between NATO forces.
- Electronic Warfare: The NCIA provides electronic warfare services to support NATO's mission to detect, deny, and defeat threats to its communication networks.
- Information Management: The NCIA manages NATO's information technology infrastructure, including its databases, applications, and servers.
Overall, the NCIA plays a critical role in ensuring the security and effectiveness of NATO's communication and information technology capabilities.
The program
Assistance and Advisory Service (AAS)
The NATO Communications and Information Agency (NCI Agency) is NATO’s principal C3 capability deliverer and CIS service provider. It provides, maintains and defends the NATO enterprise-wide information technology infrastructure to enable Allies to consult together under Article IV, and, when required, stand together in the face of attack under Article V.
To provide these critical services, in the modern evolving dynamic environment the NCI Agency needs to build and maintain high performance-engaged workforce. The NCI Agency workforce strategically consists of three major categorise's: NATO International Civilians (NIC)'s, Military (Mil), and Interim Workforce Consultants (IWC)'s. The IWCs are a critical part of the overall NCI Agency workforce and make up approximately 15 percent of the total workforce.
Role ID – C004853
Role Background
- This role focuses on hardening, monitoring, and remediating security findings across a hybrid-cloud and on-premise environment, working closely with cross-functional technical teams to maintain a strong security posture.
Role Duties and Responsibilities
- Support project implementation and delivery of infrastructure security solutions
- Monitor deployed systems, services, and applications post-implementation, addressing emerging issues in a timely manner
- Apply and maintain approved security hardening configurations
- Contribute to remediation of CIS security findings across infrastructure elements
- Plan, deploy, and configure hardware, software, and security products
- Perform other duties as required
Essential Skills, Experience and Certifications
- Strong knowledge of computer/communication security principles, networking, and vulnerabilities in modern operating systems and applications
- Proven experience with Linux OS, infrastructure as code, and automation tools
- Experience with hybrid-cloud security, SASE, and on-premise DMZ capabilities
- Experience with Cyber Hygiene and Critical Security Controls for effective cyber defence
- Practical hands-on systems administration experience
- Strong analytical and problem-solving skills
- Excellent written and verbal communication skills, able to articulate complex issues to varied audiences
Working Location
- Mons, Belgium
Working Policy
- Full-time onsite
Travel
- Some travel to other NATO sites may be required
Security Clearance
- Valid National or NATO Secret personal security clearance
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Listed on greenhouse · posted 2026-09-18. ApplySarthi collects openings and links to application pages; the role is advertised by Spektrum, not by us.