Cybersecurity Forensics Specialist

A positive future for all – that’s what we at Sopra Steria work towards. With over 56.000 colleagues in 30 countries, we are Europe’s leading digital solutions provider. We believe it’s not only technology that powers transformation. It’s people who are at the core of change. That’s why it’s people that are at the heart of everything we do, excelling both independently and in team.

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

As a Cybersecurity Forensics Specialist, you will play a key role in the investigation of targeted cyber‑attacks and complex security incidents affecting a European institution.

Your work will directly support incident response, forensic investigations, intelligence production, and the continuous improvement of cybersecurity capabilities.

This role operates in a high‑trust, high‑impact environment, handling sensitive and, in some cases, classified information.

Key Responsibilities:

• Conduct computer and digital forensics investigations related to targeted cyber‑attacks and other serious security incidents, including those involving sensitive or classified information
• Perform malware analysis and behavioural analysis to support cyber threat intelligence and attribution activities
• Contribute to research and development initiatives aimed at improving detection, investigation, and response to evolving cyber threats
• Participate in major IT security events, expert communities, and research forums in the cybersecurity domain
• Contribute to internal working groups involved in the development and evolution of information security policies

Technical Skills & Expertise:

The ideal candidate demonstrates strong hands‑on experience in several of the following areas:

• Microsoft and Linux operating systems
• Security technologies such as antivirus solutions, firewalls, IDS, and network analysers (e.g. Wireshark)
• Deployment and configuration of incident response and threat intelligence platforms (e.g. MISP, OpenCTI…)
• Scripting and programming (Bash/Shell, Python; Java or C/C++ are considered assets)
• Knowledge of offensive security techniques, including penetration testing
• Use of digital forensics tools and understanding of forensic chain‑of‑custody principles
• Malware analysis and reverse engineering, including disassemblers, debuggers, and sandboxing tools
• Strong analytical and problem‑solving skills
• Ability to produce clear, structured technical documentation and reports
• Strong communication skills with both technical and non‑technical stakeholders

Certifications:

Certifications are not mandatory but considered an advantage, such as:

• SANS certifications
• EC‑Council (CEH)
• Offensive Security (OffSec)

Mandatory Experience: at least 2 years of proven experience in digital forensics

Education: Bachelor’s degree or equivalent

Soft Skills & Languages:

• Ability to work effectively in a multicultural, international environment
• Autonomous, proactive, and a strong team player
• Comfortable participating in multilingual meetings
• Professional working proficiency in English and French (minimum B1/B2)
• High level of discretion, integrity, and professionalism, due to the sensitive nature of the information handled

Working Conditions

• On‑site service delivery in Brussels (remote work may be exceptionally authorised for specific tasks)
• Role may be subject to security clearance

What We Offer

• An international and fast-paced work environment with exposure to European institutions
• A people-first company culture that values innovation, collaboration, and diversity
• Ongoing career development support tailored to your growth
• A dynamic office atmosphere and plenty of social events: food trucks, BBQs, after-work drinks, family days, and more!

Join a dynamic team driving digital transformation in sectors that truly matter. At Sopra Steria, you’ll work on projects that enhance public safety, national security, and justice systems. You’ll grow in an inclusive and collaborative culture that values innovation, quality, and continuous learning.

Apply today and let’s build something great - together

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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.