Pen Tester

Belong. Believe. Be You. Belden.

Propel your career surrounded by a diverse team of innovative, goal-oriented individuals who are pursuing the next generation of connectivity solutions. At Belden, you’ll participate in work that will challenge you and position you to excel. You’ll collaborate with colleagues from around the world, gaining exposure to a broad base of expertise and perspectives.

Together, we’ll continue on a journey of innovation, creating a connected world and paving the way for automation. Join us and let’s build the future.

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Senior Penetration Test Engineer

(m/f/d)

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Place: Olen

Type: Hybrid/Full-Time

Level: Senior

You will make an impact in the following way: 

• Conduct security assessments by simulating cyberattacks on networks, systems, and applications to identify vulnerabilities using both automated tools and manual techniques
• Plan and perform black-box, white-box, or gray-box penetration tests, emulating real-world attack scenarios to evaluate system resilience
• Create detailed reports outlining discovered vulnerabilities, risk levels, and remediation strategies, and present findings to technical and non-technical stakeholders
• Advice on patches, configuration changes, and architectural adjustments to mitigate risks, collaborating with IT and development teams to implement fixes
• Continuously update knowledge of emerging threats, exploits, and security tools, experimenting with new techniques and maintaining proficiency in ethical hacking practices
• Write automation scripts to replicate attack scenarios or streamline testing processes
• Provide training on security awareness, including social engineering tactics and best practices

What you will bring: 

• Education – Degree in Computer Science or comparable
• Experience – 7+ years in a similar role in penetration testing
• Knowledge & skills – Experience with scripting languages like Python, Bash, or PowerShell, knowledge of secure code review principles, solid understanding of common vulnerabilities and attack vectors (e.g., SQL injection, XSS, CSRF, etc.), strong understanding of network protocols (TCP/IP, HTTP/S, DNS, etc.) and architectures, proficiency with common penetration testing tools such as Metasploit, Burp Suite, Nmap, Wireshark, and Nessus, experience with cloud security (AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes)
• Personality – Excellent written and verbal communication skills, problem-solver with a curious and investigative mindset, high level of integrity and ethical conduct, ability to work independently and as part of a team, detail-oriented and methodical
• Language proficiency – Fluency in English and the ability or willingness to work in Dutch-speaking teams

Let’s Write the Next 100 Years Together.
Join a global community striving to improve connectivity and security. We offer you hybrid and remote work practices where feasible, flexible working hours, an employee stock purchase plan, parental leave benefits, paid leave for volunteer work in your community, multiple and frequent training opportunities, professional talent management and succession planning, corporate health and well-being initiatives and a work culture which includes commitment to diversity, equity, inclusion and sustainability.

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These statements are intended to describe the general nature and level of work involved for this job. It is not an exhaustive list of all responsibilities, duties and skills required of this job.