Senior Network Security Specialist

Position

Location:

Ottawa. Language:
English. Security Clearance:
Secret. 2‑year contract starting August 10, 2026
.

Full‑time hybrid position requiring 8 days on‑site per month, with possibility of overtime, including evenings and weekends, based on operational requirements.

We are seeking a Senior Network Security Specialist to support and enhance a large‑scale enterprise network security environment while contributing to critical modernization, security, and operational initiatives.

The successful candidate will play a key role in maintaining and evolving enterprise network security infrastructure. Responsibilities include network operations, security monitoring, incident response, troubleshooting, vulnerability remediation, and technology ever greening. The role requires working extensively with Cisco routing and switching technologies, Check Point firewalls and security management platforms, and enterprise security controls to ensure stability, performance, and security. Experience supporting highly available service‑oriented architectures, participating in CI/CD initiatives, and collaborating within Agile/SCRUM teams is required.

Service Now experience is a strong asset.

Ideal candidates will bring at least five years of recent experience in network operations and network security, strong technical problem‑solving skills, and a passion for continuous improvement, automation, and operational excellence. Candidates must hold a Secret Security Clearance, or have resided in Canada for a minimum of 10 years to be eligible to obtain a security clearance.