Senior Network Engineer (Secret Clearance Required)
Location: Ottawa
We are seeking a Senior Network Engineer to support a large-scale network audit and security assurance initiative within a highly secure and complex environment.
The successful candidate will lead comprehensive assessments of classified network environments, ensuring alignment with federal security standards while strengthening the resilience of mission-critical infrastructure.
Engagement Model: Professional Services Engagement – B2B (Incorporated Entities Only)
Key Responsibilities
- Conduct comprehensive network audits, including architecture and infrastructure reviews
- Assess network environments to identify vulnerabilities, risks, and compliance gaps
- Evaluate and validate network devices and controls, including firewalls, routers, switches, VPNs, access controls, and encryption protocols
- Perform vulnerability scanning, security testing, and configuration reviews
- Assess log integrity, data retention, and backup/restoration practices
- Correlate network-level findings with application and system-level vulnerabilities
- Develop detailed audit reports with actionable recommendations and mitigation strategies
- Support implementation of remediation activities with internal stakeholders
- Participate in regular status meetings and provide ongoing reporting
Mandatory Requirements
- Active Secret (Level II) security clearance
- Bachelor’s degree in a STEM discipline (computer engineering, network engineering, systems, electrical engineering, or a related field)
- Minimum of 5 years (60 months) experience as a Network Engineer supporting command and control or mission-critical systems
Demonstrated experience (within the last 10 years) in at least four of the following:
- Network architecture design and implementation
- Network security engineering (hardware, software, cryptographic systems)
- Network system integration (COTS and/or custom components)
- Communication network analysis, design, testing, and implementation
- Network architecture within high-security environments
- Lifecycle management of network systems
Minimum 48 months experience preparing:
- Technical documentation
- System specifications
- Engineering proposals
- Demonstrated ability to communicate technical concepts, provide expert advice, and support decision-making at senior levels
Nice-to-Have Qualifications
- Experience working within federal or highly regulated IT/security environments
- Background in cybersecurity programs, vulnerability assessments, or network audits
- Experience within classified or mission-critical systems environments
- Familiarity with cryptographic systems and secure communications
- Experience with real-time, distributed, or embedded systems
- Experience using network modelling or simulation tools
- Demonstrated leadership experience, including guiding technical teams or engineering direction
- Experience supporting large-scale, enterprise or defence-related programs
Deliverables and Outcomes
- Completion of a comprehensive network audit and security assessment
- Identification of vulnerabilities with clear remediation strategies
- Delivery of detailed reports and recommendations aligned with security standards
- Contribution to improved security posture and operational resilience
