Senior Network​/Infrastructure Engineer

Intega IT is a boutique IT security and support firm focused on helping organizations operate securely, efficiently, and with confidence. Since 2001, we’ve partnered with businesses throughout the Ottawa community, earning trust through consistent delivery, personalized service, and a relentless commitment to protecting and empowering our clients.

Intega is seeking a Senior Network / Infrastructure Engineer to provide advanced technical expertise, implementation leadership, and design support across customer network and infrastructure environments.

This role bridges the gap between delivery‑focused engineering and architecture authority. You will lead complex implementations, act as a senior escalation point, contribute to standards and designs, and mentor other engineers—while still remaining hands‑on.

• Serve as senior escalation for complex network, server, and infrastructure issues
• Design and implement advanced solutions involving routing, switching, firewalls, VPNs, wireless, and server infrastructure
• Lead resolution of high‑impact, multi‑system incidents and recurring problems

• Design and administer advanced Windows Server environments, including Active Directory, DNS, DHCP, Group Policy, and core infrastructure services
• Lead virtualization implementations and optimization across VMware, Hyper‑V, and hybrid platforms
• Plan and execute server upgrades, migrations, and lifecycle refresh activities
• Validate backup, recovery, and disaster‑recovery configurations for server workloads

• Produce solution designs and implementation plans for moderate to high‑complexity changes and projects
• Ensure solutions align with architectural standards and security requirements
• Contribute to the development and refinement of infrastructure standards and reference designs

• Lead infrastructure changes with appropriate risk assessment, testing, and documentation
• Act as technical lead on infrastructure‑heavy projects
• Coordinate closely with NOC, Security, M365, and Project teams to ensure clean delivery and handoff

• Mentor Network / Infrastructure Administrators
• Provide guidance on troubleshooting approaches, design considerations, and best practices
• Raise quality and consistency across delivery of infrastructure and networking projects

• Advanced routing, switching, VLANs, and network troubleshooting
• Firewall architecture, policy management, and secure segmentation
• Site‑to‑site and remote access VPN design
• Design and performance optimization of secure wireless networks
• Advanced Windows Server administration and troubleshooting
• Virtualization platforms (VMware and/or Hyper‑V)
• Infrastructure performance analysis and root cause diagnostics

• Infrastructure change planning and risk assessment
• Root Cause Analysis (RCA) and preventative remediation
• Solution design documentation and implementation planning
• Collaboration across engineering, operations, and security teams

• Strong ownership and accountability
• Calm, precise decision‑making under pressure
• Ability to lead without formal authority
• Clear, confident technical communication

• 5–8 years of experience in network and infrastructure engineering
• Strong hands‑on experience with server infrastructure and virtualization
• Demonstrated ownership of complex implementations and major escalations
• Experience in MSP or multi‑customer environments strongly preferred

• CCNA / CCNP or equivalent experience
• Firewall certifications (Fortinet NSE4-8, Sonic…