Senior Penetration Tester
Workplace: Stockholm, Sverige
Expires: August 18, 2025
Seeking an experienced senior penetration tester to join Combitech AB in Stockholm. Work primarily involves infrastructure, product, and technical system penetration testing across various sectors such as defense, industry, government, banking, and finance. The role requires frequent travel to client sites due to security requirements and physical testing needs. The role emphasizes teamwork, open communication, and knowledge sharing within the security testing unit.
Main requirements:
  • Minimum five years of experience as a penetration tester
  • Proficient in penetration testing methodologies, techniques, and tools
  • Experience planning, defining assignments and contributing to test plans
  • Ability to write detailed technical and explanatory reports
  • Experience presenting test results to both technical and management audiences
  • Knowledge of frameworks such as OWASP, MITRE, OSSTMM, PTES, TIBER, NIST, and IEC 62443
  • Ability to undergo and pass security clearance including potential background checks
  • Fluent in both Swedish and English, written and spoken
Responsibilities:
  • Perform penetration tests and security assessments on diverse IT environments and technical systems
  • Collaborate with colleagues during assignments and provide support in solo engagements
  • Prepare final reports and typically present findings to clients both technically and to management
  • Participate actively in team meetings sharing experiences, methods, and updates in the security field
  • Travel frequently to client sites as required by security and testing demands
Required hard skills:
  • Penetration testing experience in multiple IT environments and industries
  • Writing technical and explanatory reports
  • Presentation skills for technical and non-technical audiences
  • Knowledge of security frameworks: OWASP, MITRE, OSSTMM, PTES, TIBER, NIST, IEC 62443
  • Experience with network and infrastructure security concepts, including firewalls, IDS/IPS, load balancers, and storage solutions
  • Understanding of wireless communication security including WiFi, Bluetooth, NFC, and radio
  • Security in IoT environments
  • Experience with CAN testing in automotive, OT security, web systems, and cloud solutions
  • Working knowledge of hardware (PC, PCB, soldering) and operating systems such as Linux, Windows, Mainframe, and Unix
Recommended hard skills:
  • Experience with Red Team activities, scenario-based testing, and threat actor emulation
  • Knowledge of virtualization and container technologies
  • Skills in programming and reverse engineering
  • Certifications such as OSCP, Red Team certifications, SANS, or ISC2
Soft skills:
  • Open, social, and unpretentious personality
  • Structured work approach
  • Good verbal and written communication skills in Swedish and English
  • Strong collaboration and contributing to positive team atmosphere
  • Eager to share knowledge and assist colleagues
Frameworks:
  • OWASP
  • MITRE
  • OSSTMM
  • PTES
  • TIBER
  • NIST
  • IEC 62443
Operating systems:
  • Linux
  • Windows
  • Mainframe
  • Unix
Natural languages:
  • Swedish (Proficient)
  • English (Proficient)
Cultural skills:
  • Teamwork and collaboration
  • Open communication
  • Knowledge sharing in a Nordic team environment
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