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# Senior Penetration Tester

- **Company:** Spektrum
- **Location:**  (Flémalle), Belgium
- **Experience:** Expert
- **Contract:** Contract
- **Skills:** Microsoft Windows, Software System Penetration Testing, User Authentication, Bash Shell, Unix, Configuration Management, Perl (Programming Language), Python (Programming Language), Korn Shell, Network Security, Network Administration, Red Team (Cyber Security), Ruby, Shell Script, Strategies of Testing, Web Applications, Scripting, Software Security, Malware, Information Technology, Blue Team (Cyber Security), Vulnerability Analysis
- **Published:** October 8, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=071d3035218b86ce

## About the Role

* Web application penetration testing.
 * IT infrastructure penetration testing.
 * Network security architecture and design.
 * Vulnerability assessment of operating systems, applications, protocols and networks.
 * Penetration testing tools, techniques and recognised testing methodologies.
 * UNIX and Windows system/network administration.
 * Scripting in at least one of:
*

 + 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 risk assessment and mitigation planning.
 * Security product and technology evaluation.
 * Technical report writing for different audiences.
 * Ability to communicate security findings to technical and executive stakeholders.

Experience

More than 3 years of extensive knowledge and experience in the technical areas; including penetration testing, vulnerability assessment, network security and related technologies.

The role also involves participation in NATO military exercises and presenting findings to senior stakeholders.

## Description

NCIA requires an experienced Senior Penetration Tester to support cybersecurity testing, security assessments and NATO military exercises.

The role focuses on web application and infrastructure penetration testing, network security, vulnerability assessments and security consultancy. The contractor will also participate in Red/Blue Team activities and support NATO security accreditation processes.

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.
 * Review security designs to ensure compliance with NATO policies and directives.
 * Provide security consultancy and technical advice to projects and other stakeholders.
 * Identify and assess vulnerabilities in operating systems, software, networks and protocols.
 * Evaluate security risks and recommend mitigation measures.
 * Research and assess security products and technologies.
 * Prepare penetration testing reports, including executive summaries, technical findings and remediation plans.
 * Present security assessment results to technical teams, executives and senior military leadership.
 * Coordinate with NCIA Configuration Control Boards, Security Accreditation Boards and NATO Security Accreditation Authorities.
 * Collaborate with internal and external stakeholders and the Head of the Penetration Testing Cell.