Network Administrator

Altis; Ottawa; Sur place; CAD 90 000 - 120 000; Plein temps

Résumé du poste

Altis is seeking an experienced Network Administrator to join the IT Systems team in Ottawa. You will lead a small team, own security and performance of a growing network environment, and mentor engineers across projects in construction and infrastructure sectors.

You will design and troubleshoot LAN/WAN, data centre, and wireless. Strong communication and leadership are essential to manage priorities, incidents, and strategic improvements while partnering with vendors and IT leadership.

Qualifications

• 5+ years of network administration experience with leadership.
• Expertise in network security and policy management.
• Experience with LAN/WAN, data centers, and high-availability systems.
• Proficient with Ethernet, TCP/IP, OSPF, VPNs.
• Experience with enterprise Wi‑Fi and network monitoring tools.

Responsabilités

• Lead and mentor a small team of network engineers.
• Oversee network administration, security, patching, and compliance.
• Design, implement, and troubleshoot LAN, WAN, wireless, data centre.
• Lead network projects, device provisioning, and upgrades.
• Identify vulnerabilities and manage security risks.
• Collaborate with IT leadership and vendors; communicate status.
• Maintain technical documentation and share knowledge.

Connaissances

Network administration

Technical leadership

Network security

LAN/WAN

Data centres

MPLS/VLANs

Routing protocols

Wireless networks

RADIUS/LDAP/DNS

Wireshark/NetFlow

Documentation

Project management

Outils

AirWave

Description du poste

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.