Senior IT Security Computer Support Specialist

Location: Ottawa, ON

Client: Department of National Defence (DND)

Clearance: Secret (minimum), Top Secret preferred

About the Role

We are seeking two Senior IT Security Technical Support Specialists to support DND environments. These resources will provide advanced technical troubleshooting, secure system support, and implementation of complex security requirements across enterprise networks and applications.

General Responsibilities:

• Coordinating emerging technology application specifications
• Serving as a user support liaison between vendors, IT technicians, and end‑user departments
• Providing training expertise and direction in emerging technology or special application support
• Emulating or reproducing technical problems encountered by users
• Providing advice and training to users in response to identified difficulties
• Recommending and implementing complex security requirements
• Providing business systems, network, and Internet support to users
• Collecting, organizing, and maintaining a problems/solutions log
• Verifying accuracy and completeness of work performed
• Designing, configuring, and deploying server‑based file systems and applications
• Identifying, researching, and resolving complex technical problems
• Recommending new products or processes to enhance business activities

1. Planning or participating in department‑wide system upgrades

Requirements

ESSENTIAL REQUIREMENTS

All candidates must meet the following mandatory criteria:

Education

• Certificate, diploma, or degree in Computer Science or a related field from a recognized Canadian post‑secondary institution.

Experience

• Minimum 24 months of relevant experience performing duties aligned to the Senior Technical Support Specialist category.

ADDITIONAL SECURITY‑FOCUSED REQUIREMENTS

Candidates must also demonstrate experience in security‑specific technical support, including:

• Implementing or supporting complex security controls (IAM, MFA, RBAC, encryption, hardening baselines)
• Troubleshooting and resolving security‑related incidents, authentication failures, or access issues
• Supporting secure network, server, and application environments
• Participating in security‑driven upgrades, patch cycles, and configuration deployments
• Working with security vendors, internal security teams, or DND security stakeholders
• Maintaining security logs, audit trails, and incident documentation
• Providing security‑focused user training (secure access, MFA onboarding, cyber hygiene)
• Reproducing or validating security‑related technical problems
• Supporting vulnerability assessments, remediation activities, or compliance checks

Ideal Candidate Profile

• Strong understanding of defence‑sector security requirements
• Experience supporting classified or secure environments
• Excellent communication skills with both technical and non‑technical users
• Ability to work independently in high‑security, high‑availability environments