Office Security Officer in London

Atos Group Security is the global cybersecurity backbone of Atos, a digital transformation leader. Its mission is to protect Atos’ people, data, infrastructure, and clients through a unified, proactive, and resilient security framework. Operating under the leadership of the Group CSO/CISO, the organization spans multiple domains—from corporate IT and production systems to health & safety, crisis management, and security compliance.

Atos Group Security is structured around a robust governance model, with dedicated CISOs for each business line and geography, supported by specialized teams in threat intelligence, incident response (CSIRT), and security operations (SOC). The team includes over 100 professionals globally, with a balanced onshore/offshore model.

Atos Group Security delivers:

• Strategic Security Leadership: Defining and executing the Group’s security strategy, aligned with business goals and regulatory frameworks like ISO27001 and NIS2.
• Operational Excellence: Managing over 2,000 security incidents annually with no material impact, thanks to layered defenses, red teaming, and continuous monitoring.
• Client Trust & Compliance: Embedding security into Atos’ services and offerings, ensuring client data protection, and supporting sovereignty and compliance initiatives.
• Innovation & Resilience: Leveraging AI, advanced SIEM, and partnerships with vendors like Microsoft, CrowdStrike, and Tenable to stay ahead of evolving threats.

Gain opportunities to work on global initiatives and collaborate with teams across different countries, enabling you to build international experience and broaden your professional network.

Strong Mentorship & Career Development: Benefit from structured mentoring opportunities that support continuous learning, skill enhancement, and professional growth through guidance from experienced leaders. Accelerate your career progression with opportunities to develop into senior positions while gaining valuable exposure to Security Office functions, strategic decision-making, and organizational leadership.

Atos Group Security is not just a support function—it is a strategic enabler. It builds trust with clients, differentiates Atos in the market, and ensures business continuity in a volatile cyber landscape.

The role is part of the UKI Group Security Team and you would be reporting into the UKI CISO. Implement information security policies throughout the UKI perimeter and coordinate assigned Business Line security operations within the UKI perimeter liaising with key Business Line contacts.

Responsibilities include:

• Assessing and reporting local security risks for Internal IT/Production IT/Business Line related solutions and services.
• Contributing to the achievement of Group security targets defined for Atos.
• Monitoring and reporting the security key performance indicators, as well as proposing improvements.
• Qualifying and reporting on security events and incidents and ensuring root causes are understood and addressed properly.
• Contributing to risk remediation activities and handling incidents.
• Working closely with other security officers for implementation and ongoing maintenance of the appropriate security level.
• Participating in local and Global Projects & Global services deliveries and actively participating in security domain initiatives.
• Ensuring the company’s ISO27001 Information Security Management System is managed and maintained.
• Cascading ISMS policies, procedures and standards within area of responsibility.
• Contributing to and developing ongoing security good practice guides / awareness briefings.
• Responding to incidents and undertaking security investigations as instructed.
• Providing timely advice and guidance on security measures for sites and staff.
• Coordinating with key business contacts to ensure IT vulnerabilities are assessed for impact.
• Supporting activities related to security alerts received from NCSC and other external bodies.
• Reviewing any new Corporate business services or applications to ensure compliance with Atos Policies.
• Assisting with both group and GBU specific security training programmes.
• Proactively identifying improvements to Group Security and UKI ISMS policies, processes, and templates.

Must have an understanding of security tools and techniques and experience of conducting security reviews. Fluent English language skills are required, able to communicate with stakeholders on a day-to-day basis. Able to travel when required within the UKI Geo and potentially to other Geos.

To be eligible for Security clearance, you must have lived and worked in the UK continuously for the past 5 years.

Benefits:

• Pension Scheme - contributions matched up to 10%
• Private medical cover
• Life Assurance
• 25 days paid leave + National Holidays

Diversity, Equity & Inclusion: Here at Atos, diversity and inclusion are embedded in our DNA. As a Disability Confident employer, we encourage applications from all applicants, especially differently abled applicants.