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Contact One Communications, Inc.

3500 Deputy Service Delivery Manager (Cybersecurity)

On site

Brussels, Belgium

Mid level

Freelance

11-02-2026

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Skills

Communication Firewalls Endpoint Security Monitoring Security Testing

Job Specifications

Required Security Clearance: NATO SECRET

DUTIES AND ROLE

Endpoint Security Operation Support

Support the Endpoint Security Team Lead in managing day-to- day delivery of endpoint security services.
Monitor endpoint security service performance, coverage, and compliance against defined security baselines.
Track incidents, problems, changes and service requests related to endpoint security services.
Coordinate with endpoint security engineers, users, stakeholders, vendors and other IT teams to ensure timely issue resolution.
Support documentation, reporting on endpoint security posture, risks, and service KPIs.

Gateway Security Operation Support

Support the Gateway Security Team Lead in managing day-to- day delivery of gateway security services.
Monitor gateway security service performance, coverage, and compliance against defined security baselines.
Track incidents, problems, changes and service requests related to gateway security services.
Coordinate with gateway security engineers, users, stakeholders, vendors and other IT teams to ensure timely issue resolution.
Support documentation, reporting on gateway security posture, risks, and service KPIs.

Cyber Incident Coordination

Support the Section Head and Incident Lead during cyber security incidents.
Support security testing, cyber exercises and incident readiness activities.

Service Management & Governance

Assist in monitoring SLA and KPI performance across assigned security services.
Prepare service reports, dashboards, and management summaries.
Track licenses, renewals, and entitlements under guidance of the Section Head.
Support problem management by tracking root cause analyses and corrective actions.

Continuous Improvement

Identify operational inefficiencies and propose service improvements.
Support rollout of process improvements, automation, and standardization.
Ensure lessons learned are captured and applied.

SKILL, KNOWLEDGE & EXPERIENCE

The candidate must have a currently active NATO SECRET security clearance.
5+ years' experience in supporting cyber security operations or security service delivery in a large and complex environment with high availability.
Strong experience supporting endpoint security services (Trellix) and understanding of endpoint security technologies and concepts.
Experience supporting of gateway security services (e.g. email security gateways, web proxies, firewalls).
Experience coordinating and tracking incidents, problems, changes, and service requests across multiple teams.
Experience monitoring cyber security service availability, performance, and compliance against defined baselines.
Good understanding of IT service management (ITIL) principles, including SLA/KPI and reporting.
Strong stakeholder coordination and communication skills, acting as a link between engineers, vendors, and service owners.

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