Cyber Security Technician: 24/7 Incident Response & PKI

Sentior, Ltd.; Henegouwen; Hybrid; EUR 83,000 - 124,000; Full time

Job summary

Sentior, Ltd. seeks a Technician (Cyber Security) for NATO operations in Mons, Belgium, for a 3-month engagement starting 31 Oct 2026. You will handle information assurance, 24/7 helpdesk, and secure management centre duties, including crypto and PKI administration, for NATO and national MODs.

Applicants should have NATO security familiarity, IT security qualifications, and experience with cryptographic tech and network security. On-site role with international mission exposure and NATO context.

Qualifications

• Familiar with NATO crypto standards and security policies.
• Experience in information security policy development and assessment.
• Knowledge of PKI, certificates, CRLs/ARLs and crypto systems.

Responsibilities

• Information Assurance incident management and reporting.
• 24/7 watch-keeping and incident response activities.
• Operate and monitor Secure Management Centre including crypto/configs.
• Administer NATO PKI profiles, certificates and CA infra.
• Provide technical support to NATO CIS authorities and agencies.

Skills

Cyber Security

Incident response

Crypto knowledge

Network security

Public key infrastructure

Education

CCNA

ITIL Foundation

TCE 621 operator course

TCE 671 operator course

Linux OS knowledge

Tools

Linux OS

Crypto systems

Router configuration

Job description

Sentior, Ltd. seeks a Technician (Cyber Security) for NATO operations in Mons, Belgium, for a 3-month engagement starting 31 Oct 2026. You will handle information assurance, 24/7 helpdesk, and secure management centre duties, including crypto and PKI administration, for NATO and national MODs.

Applicants should have NATO security familiarity, IT security qualifications, and experience with cryptographic tech and network security. On-site role with international mission exposure and NATO context.