Senior Penetration Tester

It all starts with the mission: NVISO is here to protect European society from potentially devastating cyber attacks! This means we offer cyber security services to private and governmental organizations to help them better prepare for, prevent, detect and respond to cyber security incidents.

All of this is built on four fundamental values that define who we are: We are Proud, We Break Barriers, We Care and No BS!

Senior Penetration Tester – Brussels, Belgium

As a Senior Penetration Tester based in Brussels, Belgium, you will:

• Fuse technical and non-technical skills to emulate actions that might be taken by malicious users/systems.
• Understand the psychology, the systems, and the tactics employed by threat actors to proactively test the clients’ system’s ability to detect, react, and adapt to attacks.
• Help with design, development and recommendation of security solutions to protect clients’ proprietary/confidential data and systems.
• Assist with compliance objectives; provide guidance and direction for the logical protection of information systems assets.
• Advise our clients for security whenever they make changes in the network, system and application architecture.
• Prepare reports regarding effectiveness of information security adherence and make recommendations for the adoption of new policies and procedures.
• Leverage social engineering, exploit development, and process exploitation.

Requirements

• Eligibility for NATO CLEARANCE (details here).
• Bachelor’s or Master’s degree or equivalent work experience, and 2+ years of professional experience.
• Good knowledge of ICT systems, networks and security technologies.
• Knowledge of operating system security concepts.Able to work independently and deliver results.
• Positive, team and mission‑oriented attitude.
• Strong interpersonal and verbal/written communication skills for effective teamwork.
• Excellent English communication skills, both verbal and written.
• Ability to recognize and handle confidential and sensitive information appropriately.

Benefits

• A training budget of 10,000€ and 10 days every two years.
• Company car + Belgian fuel card.
• Working and learning from the best people in the European cyber security industry.
• An entrepreneurial and agile company, with support for driving new initiatives.
• Regular team-building and fun events with legendary off‑site events once a year.
• Personal coach within the team to ensure well‑being and growth.
• Flexible working hours and home office possibilities.
• Flex Reward Plan.
• 32 holidays.

Disclaimer on the Use of AI Tools in the Application Process

Please be aware that the creation and submission of application documents (e.g. CV, cover letter, case studies, etc.) using AI‑powered tools is only permitted to a limited extent .

• Application documents must authentically reflect your own qualifications, personality, and motivation.
• The use of AI for supportive purposes (e.g. spell‑checking, improving wording) is acceptable.
• Fully generated application documents created by AI without personal adaptation or review are not permitted.
• Under no circumstances may NVISO information, data, or documents be uploaded to or processed by external AI tools.

We reserve the right to exclude applications from the selection and interview process that are clearly created primarily or exclusively by AI and show no recognizable personal input.

The purpose of this policy is to ensure a fair and transparent recruitment process and to obtain an authentic impression of our applicants.

IF YOU'RE INTERESTED, PLEASE SEND US YOUR APPLICATION!

WE'RE LOOKING FORWARD TO MEETING YOU!