Senior CIS Security Officer

North Atlantic Treaty Organization; Henegouwen; Sur place; EUR 90 000 - 120 000; Plein temps

Avantages offerts par ce poste

Tax-free salary

Expatriation allowances

Private health insurance

30 days annual leave

NATO Pension Scheme

Résumé du poste

NATO is seeking a Senior CIS Security Officer based in Mons, Belgium, to safeguard NATO CIS and cyber systems. You will lead security operations, coordinate incident response, and drive risk governance across multinational teams.

The role emphasizes security training, vendor oversight, disaster recovery, and maintaining industry frameworks (ISO 27001, NIST, CIS). Fluency in English and extensive experience are required for this critical mission.

Qualifications

• Bachelor's degree or 10 years equivalent in CIS/security experience.
• Knowledge of CIS security, networking, OS vulnerabilities.
• Experience with CIS protective measures in enterprise environments.
• Experience in governance, risk, and compliance (GRC).
• Leading security audits, risk assessments, and regulatory reporting.
• Developing security frameworks (ISO 27001, NIST, CIS).
• Fluency in English, both written and spoken.

Responsabilités

• Develop and oversee security awareness and training programs.
• Monitor and analyse security incidents and threats, and develop incident response plans.
• Develop and maintain relationships with senior management, external auditors, and regulators.
• Assist in disaster recovery and business continuity planning.
• Oversee third‑party vendors to ensure security requirements.

Connaissances

CIS security

Incident response

GRC

ISO 27001

English fluency

Formation

Bachelor's degree in related discipline

Description du poste

NATO - North Atlantic Treaty Organisation

Job Description - Senior CIS Security Officer (261439)

Senior CIS Security Officer - 261439

NATO Body

NATO Communications and Information Agency (NCIA)

Schedule

Full-time

Application Deadline

27-Sep-2026, 9:59:00 PM

Salary (Pay Basis)

Grade NATO Grade G17

Description

Who we are:

For more than 70 years, NATO’s mission has been to preserve peace and security in the Alliance for nearly one billion citizens. The NATO Communications and Information Agency (NCIA) and its predecessors have worked tirelessly in providing the means that enable the connectedness and togetherness that keep our Alliance strong. We are the NCIA, a team of 3000 civilian and military staff in 29 locations throughout Europe, North America and Asia.

Our technology and cyber experts allow NATO to conduct critical operations, protect NATO’s airspace, make data-driven decisions, defend against cyber-attacks, secure NATO networks and maintain superiority in space. This is all possible because of our greatest force, our people. In order to keep this edge we aim to hire, train and retain the very best staff.

Our staff members represent both the diversity and unity of our Alliance. When you join the NCIA, you will be part of an organization where you can contribute authentically to the mission and purpose of NATO and help us keep our technological edge.

Based in Mons, Belgium, you will join the Agency as we embark on a journey to transform our IT services to support NATO’s Digital Endeavour. You will join NATO Cyber Security Centre (NCSC), which is responsible for planning and executing all lifecycle management activities for cyber security. In executing this responsibility, NCSC provides specialist cyber security-related services covering the spectrum of scientific, technical, acquisition, operations, maintenance, and sustainment support, throughout the lifecycle of NATO Communications and Information Systems (CIS).

We are looking for a driven and enthusiastic Senior CIS Security Officer who will take on the following roles and responsibilities:

• Develop and oversee security awareness and training programs to ensure that all employees are aware of their role in maintaining information security;
• Monitor and analyse security incidents and threats, and develop and implement incident response plans in collaboration with Incident Management Team;
• Develop and maintain relationships with key stakeholders, such as senior management, external auditors, and regulatory authorities;
• Assists in the development and maintenance of disaster recovery and business continuity plans;
• Manage and oversee third-party vendors and service providers to ensure that they meet security requirements.

For a full list of duties, please review the job description on the NCI Agency career site .

About you

The valuable knowledge and experience that you bring to this role are:

• A Bachelor’s degree at a nationally recognised/certified University in a related discipline and 3 years post-related experience. Or exceptionally, the lack of a university degree may be compensated by the demonstration of a candidate’s particular abilities or experience that is/are of interest to NCIA, that is, at least 10 years extensive and progressive expertise in duties related to the function of the post;
• Comprehensive knowledge of the principles of computers and communication security, networking, and the vulnerabilities of modern operating systems and applications;
• Experience with implementation and integration of CIS Security protective measures in enterprise environments;
• Experience in governance, risk, and compliance (GRC);
• Leading security audits, risk assessments, and regulatory reporting;
• Developing and maintaining security frameworks (ISO 27001, NIST, CIS);
• Enforcing organization-wide policies and defining security awareness programs;
• Cross-functional collaboration with other Business areas and Functional areas of the organisation;
• Liaison between technical and business teams;
• Overseeing and support testing, disaster recovery and business continuity capabilities;
• Responding to and knowledge of security investigation and initial response capabilities;
• Fluency in English, both written and spoken.

What we offer

• Genuinely meaningful work as part of the most successful alliance in history;
• 5 year contract with competitive tax-free salary and household and children’s allowances;
• Privileges for expatriate staff including expatriation and education allowances (where appropriate) and additional home leave;
• Excellent private health insurance scheme;
• Generous annual leave of 30 days plus official holidays;
• NATO Pension Scheme;
• Development programs such as professional training, wellbeing, and more.

To learn more about NCIA and our work, please visit our website .

The NCIA prides itself on being an equal opportunity employer. We are committed to fostering an inclusive environment of mutual respect and value uniqueness and differences in gender, gender identity, race, ethnic or cultural origin, age, religion, sexual orientation and physical or neurocognitive ability.

Additional details on the conditions of application can be found via the NCIA career site.