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Contact One Communications, Inc.

3507 Interim CIS Security Assistant

On site

Brussels, Belgium

Junior

Freelance

11-02-2026

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Skills

Firewalls Vulnerability Assessment Monitoring Test Security Testing Change Management Networking Risk Assessment Linux Windows

Job Specifications

Required Security Clearance: NATO SECRET

DUTIES AND ROLE

Support The Site CIS Security Officer With

Monitoring and reporting on CIS security posture.
Performing or supporting risk assessments, threat identification, and control evaluations.
Assisting in the execution and documentation of STVPs.
Registering, tracking, and escalating security incidents.
Supporting vulnerability assessments and documentation.

Coordinate With Internal Stakeholders On

Accreditation documentation.
Policy compliance.
Technical risk discussions.

Maintain readiness to support continuity planning, ITSCM, and disaster recovery.

Liaise with other NATO security or technical teams as needed.

Work on-site in a secure facility, with limited opportunity for remote work.

Skill, Knowledge & Experience

The candidate must have a currently active NATO SECRET security clearance.
CIS/IT Security Foundations: Understanding of core security concepts: CIA triad, system hardening, access control; Able to apply and monitor standard security controls based on local risk assessments; Familiarity with incident handling, basic investigation, and escalation procedures; Basic exposure to vulnerability assessment tools and techniques.
Technical Environment Awareness: Competent with Windows and Linux OS environments; Knowledge of networking essentials: IP, DNS, firewalls; Familiarity with IT infrastructures, especially within classified or secure domains.
Documentation & Compliance: Ability to assist in maintaining and updating Security Test & Verification Plans (STVP); Supports CIS security documentation (SSRS, SecOPs, SRA, etc.); Tracks vulnerabilities, logs incidents, and maintains audit trails.
ITIL & Risk Frameworks: Applies ITIL-based processes for incident and change management; Understands risk assessment and documentation practices.
Toolset Familiarity: Awareness of ITSM platforms (e.g., BMC Remedy); Microsoft Office (especially Excel and Word); Cybersecurity monitoring tools (basic operation or readiness to learn).
Required Knowledge: NATO CIS Security principles (or readiness to learn them quickly); Life-cycle of IT system security: requirements → verification → reporting; Concepts of Information Assurance, Security Testing, and Threat Monitoring; Support to Business Continuity and ITSCM (IT Service Continuity Management).
Minimum Experience: 3+ years (with higher vocational education) or 5+ years (with secondary school diploma) in IT Security or similar.
Practical experience with: Security monitoring tools and reporting; Vulnerability management or patch tracking; Incident reporting/escalation; Documenting procedures and compliance support.
Education & Certifications: Vocational or secondary education in IT, cybersecurity, or related field; ITIL Foundation certification is required; (Desirable) Security certifications: CompTIA Security+, CISSP, or CISM.
Ideal Interim Profile: Proactive, organized, and detail-oriented; Works independently with minimal supervision; Experience in sensitive or secure operational environments; Comfortable collaborating with military, civilian, or multinational teams; Quick learner able to absorb NATO-specific procedures.

About the Company

Contact One Communications, Inc. is a worldwide systems integration company providing leading edge Information Technology services including Engineering and Installation (E&I), Operations and Maintenance (O&M) and Force Protection in the fields of Cyber Security and Information Assurance, Perimeter Security and Telecommunications Infrastructure. We are a "go to" organization for rapid response requirements in support of expeditionary missions. We work on US Department of Defense (DoD), North Atlantic Treaty Organization (NA... Know more