--- title: 'Senior Penetration Tester at Spektrum' canonical: 'https://feeny.ai/job/senior-penetration-tester-spektrum-braine-l-alleud-strv987x4k7t' type: 'job' last_seen: '2026-10-15' --- # Senior Penetration Tester at Spektrum - **Company:** Spektrum - **Location:** Braine-L'alleud, Belgium - **Posted:** 2026-10-13 - **Last confirmed live:** 2026-10-15 - **Apply:** https://spektrum-group.com/jobs?gh_jid=5004784101 ## Job description 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. Senior Penetration Tester ## Role ID – C004908 ## Role Background NCIA requires an experienced Senior Penetration Tester to support cybersecurity assessments, penetration testing and Red/Blue Team activities during NATO military exercises. The role focuses on web application and infrastructure penetration testing, network security, vulnerability assessment and security consultancy. The contractor will also support NATO security accreditation activities and communicate security findings to technical and senior military stakeholders. ## Role Duties and Responsibilities - Lead or participate in Red Team and Blue Team activities during NATO military exercises. - Conduct penetration testing of web applications, IT infrastructure and applications. - Perform security design reviews to ensure compliance with NATO policies and directives. - Provide security consultancy and recommendations to projects and other stakeholders. - Identify and assess security vulnerabilities in operating systems, software, networks and protocols. - Evaluate security risks and formulate mitigation plans. - Research and evaluate security products and technologies. - Prepare structured penetration testing reports, including executive summaries, technical findings and remediation plans. - Present security assessment results to technical teams, executives and senior military leadership, including flag officers. - Collaborate with the NCIA Configuration Control Board, Security Accreditation Boards and NATO Security Accreditation Authorities. - Coordinate activities with the Head of the Penetration Testing Cell and internal and external stakeholders. Essential Skills - Web application penetration testing. - IT infrastructure penetration testing. - Network security architecture and design. - Vulnerability assessment across operating systems, software, protocols and networks. - Penetration testing tools, techniques and recognised testing methodologies. - UNIX and Windows system and network administration. - Scripting skills in at least one of the following: - Python - Perl - Ruby - Shell scripting (Bash, Ksh or Csh) - System and network security. - Authentication and security protocols. - Cryptography and application security. - Malware infection techniques and protection technologies. - Security product and technology evaluation. - Risk assessment and mitigation planning. - Clear technical report writing for both executive and technical audiences. - Strong stakeholder communication skills. ## Experience More than 3 years of extensive knowledge and experience in the technical areas including penetration testing, network security architecture, vulnerability assessment and related security technologies. The responsibilities also involve leading or participating in NATO exercise activities and communicating findings to senior stakeholders. Working Location Braine-l'Alleud, Belgium, with a planned future relocation to Brussels, Belgium, following the move of the NATO Cyber Security Centre (NCSC). Working Policy Full-time on-site. - Start date: 23 November 2026 - End date: 31 December 2026 - Total scope: 400 hours - Working conditions: Normal office environment - Travel: 10 days within Belgium are foreseen - Security clearance: NATO Secret – mandatory Travel - Some travel to other NATO sites may be required Security Clearance - Valid National or NATO Secret personal security clearance ## About Spektrum ## Company Overview - **One-liner**: Spektrum Group is a specialist consultancy that enables clients to navigate the complex defence, humanitarian, and government markets by connecting them with a fast-growing global network of subject matter experts, partners, and suppliers. - **Entity Type**: Private (stage not disclosed; no public funding rounds identified) - **Headquarters**: Multiple offices; global presence with registered addresses in Spain (Barcelona, ES: +34 932 712 919), the United Kingdom (Leeds, UK: +44 113 868 3500), Belgium (Mons), the Netherlands (The Hague), the United States (Norfolk, VA), and Norway (Stavanger). No single global HQ is explicitly designated. - **Founded**: Not publicly available - **Founders**: Not publicly available ## Core Business - **Industry/Industries**: Aerospace & Defence, Humanitarian Aid, Government Services, Consulting & Advisory - **Target Customers**: International institutional organisations (e.g., UN, NATO), English-speaking national governments, and ministries of defence (apex purchasers), as well as the broader defence ecosystem (from small specialists to global enterprises) - **Mission / Purpose**: “Thinking differently to make a difference” – Spektrum aims to solve today’s aerospace and defence market problems, acting as a force for good with a sincere intent to positively impact its clients and their teams. ## Products & Services - **Consulting**: Strategic advisory, market navigation, and subject matter expertise for clients aiming to achieve aerospace and defence objectives. - **Logistics and Supply**: Supply chain support and logistics management tailored to complex defence and humanitarian environments. - **Communication**: Strategic communication services, including social media scripting and event promotion (as evidenced by job postings for Social Media Scripter). - **Events**: Planning and execution of events for defence, humanitarian, and government stakeholders. *Additional note:* Spektrum Labs (a related entity) is described as “building the backbone of the cyber resilience ecosystem, unifying cybersecurity, compliance, and insurance into one seamless platform powered by AI, cryptography, and automation,” but Spektrum Labs appears to be a separate brand under the Spektrum umbrella. ## Market Standing - **Valuation / Market Cap**: Not publicly available (private company) - **Key Metric**: Unspecified revenue; total funding not disclosed. However, rapid hiring (112+ open roles listed on Built In) suggests strong growth and demand. - **Notable Investors / Partners**: Not publicly disclosed. The company states it is a “Member Of” unspecified organisations, a “Registered supplier to” key entities, and holds certifications (logos visible on website but not named in the provided results). - **Growth Signals**: - Fast-growing global network of partners and suppliers - 112+ job openings across multiple countries and disciplines (engineering, IT, talent acquisition, contract management, assurance, etc.) - Offices in at least six countries (Spain, UK, Belgium, Netherlands, USA, Norway) ## Competitive Advantages - **Deep Niche Expertise**: Focus exclusively on the challenging and complex defence, humanitarian, and government sectors, an area many traditional consultancies avoid. - **Global Network**: Extensive ecosystem of subject matter experts, partners, and suppliers that can be rapidly deployed to solve client problems. - **Apex Payer Focus**: Directly targets the highest-level purchasers within institutional organisations and ministries of defence. ## Strategic Focus - Priority is to help clients navigate the increasingly complex landscape of international defence and government procurement. - Emphasis on building a “resilient and effective” supplier ecosystem through diversity and capability. - Continuous improvement of internal processes and client support, with a culture of questioning everything to drive growth. ## Why Work Here - **Culture Highlights**: Values include transparency, effective communication, enthusiasm and fun, and setting ambitious yet realistic goals. Employees celebrate successes together and maintain a friendly, relaxed environment. - **Work Policy**: Hybrid workspace is available, with some roles offering a combination of remote and on-site work, while others (e.g., in The Hague, Brussels, Norfolk) are labeled “In-Office” on Built In. Policy likely depends on role and location. - **Notable Perks / Engineering Culture**: Not explicitly described, but career growth is supported by a wide range of senior and junior roles. The company places “great emphasis on supporting and collaborating with our team and clients.” Spektrum Labs’ focus on AI, cryptography, and automation indicates a forward-leaning engineering culture in the cybersecurity arm. ## Sources 1. [Spektrum Group – Official Website](https://spektrum-group.com/) 2. [Spektrum Group – About Us](https://spektrum-group.com/about-us) 3. [Spektrum Group – What We Do](https://spektrum-group.com/what-we-do) 4. [Spektrum Group – Jobs Page](https://spektrum-group.com/jobs) 5. [Built In – Spektrum Group Careers & Culture](https://builtin.com/company/spektrum-group) 6. 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