We are looking for an experienced and hands-on Senior Penetration Tester to support a high-impact international cybersecurity program. In this role, you’ll work closely with a specialized security team to perform advanced penetration testing activities on critical infrastructure and applications, helping strengthen the digital resilience of complex environments.
Your Responsibilities
* Conduct comprehensive web, infrastructure, and application-level penetration testing (COTS, GOTS, custom-built systems).
* Participate in kick-off and review meetings with technical and executive stakeholders.
* Produce clear and structured technical reports (executive summaries, technical findings, and remediation plans).
* Brief both technical and high-level audiences, including decision-makers, on the outcomes of your testing.
* Identify, exploit, and report vulnerabilities and architectural security weaknesses.
* Support responsible disclosure processes in case of zero-days or sensitive discoveries.
* Contribute to security design reviews and ensure compliance with internal policies and international standards.
* Collaborate proactively with internal and external security stakeholders.
* Continuously track emerging technologies and threats relevant to penetration testing.
* Follow agile methodologies in 1-week sprints, reporting on progress and deliverables.
Your Profile
* Bachelor’s degree in IT or equivalent field OR 10+ years of relevant hands-on experience.
* At least 3 years of experience in:
o Penetration testing (web apps, IT infrastructure, protocols)
o Network/system administration (UNIX, Windows)
o Vulnerability assessments, exploit development, malware behavior
* Deep technical knowledge in authentication protocols, application security, cryptography, and secure architecture.
* Ability to evaluate security risks and propose effective mitigations.
* Proven ability to communicate findings to both technical and non-technical stakeholders.
* Excellent written and spoken English (working language).
* Must hold a valid NATO SECRET security clearance. Unfortunately, candidates without this clearance cannot be considered due to the nature of the mission.
* Relevant certifications such as OSCP, OSCE, OSWE, GPEN, GWAPT, CREST, GXPN, or equivalent.
* Knowledge of risk analysis methodologies (e.g., EBIOS, OCTAVE, etc.).
* Experience in military, governmental, or international environments is a strong asset.
Join a team where your expertise directly contributes to protecting vital operations and infrastructure.
Apply now and take the next step in your cybersecurity career with ABAKUS IT-SOLUTIONS.
Opportunities are numerous, ranging from application development to IT infrastructure management, including conception, architecture, and requirements analysis.
While we work with various technologies, ABAKUS IT-SOLUTIONS mainly seeks experts in: Windows and Linux Servers, networks, developments (JAVA, SAP, .NET…), as well as specialized cybersecurity professionals or Content Management System (CMS) experts (SharePoint, Drupal, WebLogic…).
We value dynamic individuals interested in innovation, with a keen sense of client relationships and openness to the world.
Proficiency in English is essential; knowledge of French, German, or Dutch is an asset.
Most positions require at least 3 years of experience, but some are open to new starters.
ABAKUS IT-SOLUTIONS offers work either at our premises or at our clients’ locations; remote work is sometimes possible.
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