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We are looking for a motivated Junior Cybersecurity Pentester with a focus on network protocols and operating systems in offensive security contexts. This entry-level principal role offers hands-on growth in a high-impact environment.
Job Responsibility:
Quickly learn new information, especially non-standard network protocols used between dedicated devices from various manufacturers (with guidance)
Chance of a lifetime to contribute to testing in space environments
Requirements:
At least 3 years of relevant experience in cybersecurity, penetration testing, network analysis, or offensive security roles (e.g., internships, junior pentesting, or security operations)
Basic understanding of common network protocols and ability to troubleshoot networking issues under supervision
Foundational troubleshooting skills for operating systems and networking problems, with experience in network services like DHCP, FTP, HTTP, SSH, or Telnet
Ability to follow detailed action plans, with growing skills in planning
Solid knowledge of Linux operating systems, including basic low-level operations
Basic proficiency in C programming to modify simple tools or scripts (with support)
Introductory proficiency in Python with Scapy for generating traffic or basic network modifications (e.g., simple packet crafting)
Assist in traditional penetration tests of IT infrastructure under senior guidance
Willingness to work in unusual conditions at client sites, including without internet access
General awareness of system and network security mechanisms and best practices
Understanding of core IT security concepts like confidentiality, integrity, and availability
Proactive mindset with flexibility
experience interacting with stakeholders (even at junior levels)
Flexible to travel
What we offer:
Mobility options (including a company car)
Insurance coverage
Meal vouchers
Eco-cheques
Continuous learning opportunities through the Sopra Steria Academy
Opportunity to connect with fellow Sopra Steria colleagues at various team events