Junior Cybersecurity Pentester - Prague (EU Secret)

Sopra Steria offers tailored, end-to-end corporate technology and software solutions to help clients make bold choices and deliver results. Successfully so! With more than 56.000 colleagues in 30 countries, we rank as Europe’s leading digital solutions provider. Some of the most successful companies in Europe rely on our technology due to our commitment to innovation, collaboration, and value in business development.  

The world is how we shape it. Let’s shape it together. 

Job Description – Junior Cybersecurity Pentester (Network Protocols, Operating Systems)

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.

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).

Key Activities and Responsibilities:

• Quickly learn new information, especially non-standard network protocols used between dedicated devices from various manufacturers (with guidance).

• 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.

• Chance of a lifetime to contribute to testing in space environments.

 

Do you picture yourself in a fast-growing, vibrant team at the cutting edge of software implementation? Does working with international clients across multiple industries sound exciting? Then you’re in the right place. 

We offer a generous employee benefits package that includes: 

• A variety of perks, such as mobility options (including a company car), insurance coverage, meal vouchers, eco-cheques, and more. 
• Continuous learning opportunities through the Sopra Steria Academy to support your career development. 
• The opportunity to connect with fellow Sopra Steria colleagues at various team events. 

People are the cornerstone of our success. That’s why we aspire to be bolder together. Our goal is to build high-functioning teams and healthy team environments that inspire and help each other to deliver excellence for each of our customers.  

Excited about this job opportunity? Ready to shape the world with us? Great! We are looking forward to your application! 

Want to know what happens next?  

The recruitment process typically begins with the first step, where the recruiter screens candidates based on their qualifications and fit for the role. This is followed by the second step, where candidates undergo more in-depth evaluations, including technical assessments hiring manager or client to assess both technical skills and team compatibility. The third step involves the company reviewing feedback and aligning on a potential offer. Finally, in the final step, the candidate receives a formal job offer.  

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Sopra Steria is an equal opportunity employer. All qualified applicants will be considered for employment without regard to age, ancestry, nationality, color, family or medical leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, gender (including pregnancy), sexual orientation or any other characteristic protected by applicable local laws, regulations and ordinances. We foster a work environment that is inclusive and respectful of all differences.