Careers / Senior Penetration Tester 03 / 07 Senior Penetration Tester Lead complex penetration tests across web applications, infrastructure, cloud environments and other applications. Identify non-obvious vulnerabilities, develop proof-of-concept exploits and produce reports that support effective remediation.
Offensive
Security
Remote / hybrid
Baltics
Full-time from €2,200 / mo
Published 2026-06-24 Apply for this role Send your CV and a note to
[email protected] 01 What you’ll do Scope and lead black-box and white-box penetration tests covering web applications, APIs, networks, cloud environments and mobile applications.
Develop custom exploits, scripts and tools to bypass controls and demonstrate concrete impact.
Test manually and in depth beyond automated scanners, combining individual findings into realistic attack paths and business risk.
Write accurate, reproducible reports and guide clients through remediation.
Help shape testing methodology,
tooling and quality standards across the team.
Mentor junior testers and review their work. 02 What you bring At least four years of penetration-testing or offensive-security experience, including experience leading engagements.
Strong across the OWASP Top 10, network and Active Directory attacks, and at least one cloud (Azure/AWS/GCP).
Fluency in at least one scripting language, such as Python, Bash or Ruby, for custom tooling and automation.
Practical experience with Burp Suite, Nmap, Metasploit, BloodHound and comparable tools.
OSCP or equivalent skills, together with strong technical writing in English. 03 Additional advantages Source-code review
OT/ICS, mobile or thick-client testing
Public Burp/Ghidra extensions
CVEs or CTF placings Apply for this role Careers
📌 Senior Penetration Tester (North Glengarry)
🏢 OffSeq
📍 North Glengarry