Role Overview
Senior Security Engineer (Red Team) at Atos. This role focuses on offensive security, penetration testing, and red team operations to improve detection and response capabilities and the organization’s security posture.
Key Responsibilities
- Plan and execute advanced red team operations, including adversary emulation and scenario-based testing.
- Develop and maintain custom tooling for offensive security operations.
- Perform vulnerability assessments, exploit development, and post-exploitation activities across diverse environments.
- Conduct reconnaissance, initial access, lateral movement, and persistence techniques using C2 frameworks.
- Analyze and reverse engineer applications, binaries, and protocols.
- Collaborate with blue teams to improve detection and response capabilities.
- Research and publish technical blog articles, CVEs, and open-source tools.
- Participate in CTFs, bug bounty programs, and contribute to the security community.
- Share knowledge across teams and mentor junior engineers.
Required Skills & Experience
- Penetration testing and red teaming experience.
- Solid background in system administration and software development.
- Deep understanding of vulnerabilities and exploitation techniques.
- Proficiency in at least one programming language (e.g., Python, C/C++, Go).
Experience With
- BurpSuite, Nmap, Nessus, and other scanning tools
- Cloud environments (AWS, Azure, GCP)
- Active Directory and EntraID
- Familiarity with networking fundamentals and operating systems (Windows, Linux)
- Strong communication and documentation skills.
Preferred Qualifications (Nice-to-Have)
- Experience in incident response and threat hunting.
- Certifications such as OSCP, CRTO, CRTL, OSEP, OSWE, OSED, CPSTS, CAPE, CWEE, CISSP.
- Contributions to CVEs or security research.
What We Offer
- Work in a dynamic, international environment.
- Opportunities for professional growth and involvement in strategic projects.
- Competitive salary and benefits package.
- Hybrid working model.
About Atos
Atos is a global leader in digital transformation with c. 78,000 employees and annual revenue of c. € 10 billion. European number one in cybersecurity, cloud and high-performance computing. The Group provides tailored end-to-end solutions for all industries in 68 countries. A pioneer in decarbonization services and products, Atos is committed to a secure and decarbonized digital for its clients. Atos is a SE (Societas Europaea) and listed on Euronext Paris. The purpose of Atos is to help design the future of the information space with a multicultural approach that promotes sustainable development and security.
Seniority level
Employment type
Job function
- Information Technology
- Industries: Computer and Network Security and IT Services and IT Consulting
Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.
