Network Administrator

Job Description

Location: Ottawa, ON (On-site, 5 days per week)

Language: Strong written and verbal communication skills in English

Employment Type: Permanent, Full-Time

About the Opportunity

Are you an experienced Network Administrator who enjoys solving complex technical challenges while leading and mentoring others? We're looking for a skilled professional to join the IT Systems team of a well-established organization in the construction and infrastructure sector. This is an opportunity to take ownership of a growing network environment while making a meaningful impact on security, performance, and reliability.

You'll work alongside collaborative IT professionals, lead a small team of network engineers, and contribute to critical infrastructure projects. Your technical expertise and leadership will help shape a secure, scalable, and high-performing network environment.

What's In It for You

• A collaborative workplace where your expertise and ideas are valued

• The opportunity to lead, mentor, and develop a talented technical team

• Exposure to complex network infrastructure and diverse technology projects

• A hands-on leadership role with opportunities to influence network strategy and improvements

Your Responsibilities

• Lead and mentor a small team of network engineers, coordinating priorities, shift rotations, and technical development.

• Oversee network administration, security, patching, compliance, and performance optimization.

• Design, implement, and troubleshoot LAN, WAN, wireless, and data centre infrastructure.

• Lead network projects, device provisioning, hardware configuration, and infrastructure upgrades.

• Identify vulnerabilities, manage security risks, and resolve complex incidents, including post-incident reviews.

• Collaborate with IT leadership and vendors, communicating project status, priorities, and risks.

• Maintain technical documentation and share knowledge across IT teams.

Skills and Qualifications

• 5+ years of network administration experience, with demonstrated technical leadership and strong troubleshooting skills.

• Expertise in network security, firewalls, intrusion prevention, 802.1X, colourless ports, and network policy management servers.

• Hands-on experience with LAN/WAN, data centres, Layer 3 routing, MPLS, VLANs, switch stacking, VRRP, HSRP, and high-availability systems.

• Strong knowledge of Ethernet, LACP, TCP/IP, OSPF, STP, QoS, VoIP, RADIUS, LDAP, IPSec/IKE, DNS, NTP, SNMPv3, SMTP, FTP, FTPS, and SSH/SCP.

• Experience with enterprise Wi-Fi, mobility controllers, access point management, network monitoring, Wireshark, and NetFlow. AirWave is an asset.

• Strong analytical, documentation, communication, and project management skills, with the ability to manage competing priorities.

• A collaborative, self-directed approach and flexibility for occasional evening or weekend work and travel.