Network Engineer

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