Senior Network Engineer - Toronto Canada Remote

Job summary

Lead and mentor a team of 4–6 Senior Network Engineers, coordinate daily scrum calls, manage escalations and on-call operations, and contribute to performance reviews. Resolve complex network incidents, conduct root cause analyses, implement preventive measures, and communicate with stakeholders while supporting and optimizing the customer’s network environment.

Job details

Department: Blue Mantis Location: Remote Description At Blue Mantis, we specialize in designing, implementing, and managing secure, high-performance digital operating environments for leading companies nationwide. With deep expertise in security and cloud technologies, we deliver end-to-end infrastructure solutions that empower businesses to achieve their objectives and excel in the digitally-driven economy. We are seeking a Senior Network Engineer and Team Lead to join our dynamic team. This individual will not only provide expert-level support for a large, complex customer environment but also lead a team of 4–6 Senior Network Engineers. The role combines hands-on technical responsibilities with leadership, requiring expertise in managing, troubleshooting, and optimizing network technologies including Cisco and Nexus switches, Meraki, Palo Alto, and Check Point firewalls, physical and virtual F5 load balancers, and Cisco SANs. This is an excellent opportunity for a seasoned engineer with leadership experience to drive team performance, guide escalations, and make a significant impact in a challenging and rewarding environment. Key Responsibilities Team Management: Lead and mentor a team of 4–6 Senior Network Engineers, providing guidance, support, and technical expertise. Daily Operations: Lead daily scrum calls to ensure team alignment on priorities and tasks. Manage and oversee escalations, ensuring timely resolution of incidents and major incidents. Incident and Major Incident Management: Quickly assess and resolve network-related incidents, ensuring minimal disruption to operations. Conduct root cause analysis (RCA) and implement preventive measures to avoid recurrence. Act as the point of escalation for high-priority or complex incidents. Collaborate with cross-functional teams to drive resolution and communicate status to stakeholders. Performance Reviews: Work closely with management to evaluate team performance, provide input for performance reviews, and assist in setting professional development goals. Skills, Knowledge & Expertise Leadership Skills: Proven ability to lead and support technical teams and delegate tasks effectively. Experience managing escalations and driving resolution during critical incidents. Strong organizational skills to manage team schedules, On-Call rotations, and workload distribution. Technical Skills: Switching and Routing: Expertise in Cisco and Nexus switches, with a solid understanding of VLANs, trunking, spanning tree, and Layer 3 routing protocols (BGP, OSPF, EIGRP). Firewalls: Hands-on experience with Palo Alto and Check Point firewalls, including policy configuration, troubleshooting, high availability and optimization. Wireless and Cloud Networking: Experience with Meraki networks and cloud-based management. Load Balancing: Proficiency with physical and virtual F5 load balancers, including configuration and troubleshooting. Monitoring and Automation: Familiarity with network monitoring tools (SolarWinds) and automation techniques using scripting (Python, Ansible, or similar). Soft Skills: Exceptional analytical and problem-solving abilities. Strong verbal and written communication skills to provide clear updates and create comprehensive documentation. Ability to work independently and as part of a team in a fast-paced, high-pressure environment. Experience: Minimum 8–12 years of experience in network engineering roles, including at least 2–3 years in a leadership or team lead capacity. Demonstrated success in managing escalations, incident management, and team operations. Experience with firmware updates, patch management, and hardware lifecycle management. Certifications (Preferred): Cisco Certified Network Professional (CCNP) or higher. Palo Alto Networks Certified Network Security Engineer (PCNSE). Check Point Certified Security Expert (CCSE). F5 Certified Administrator or similar. ITIL or similar Agencies/3 Parties may not solicit to any employee of Blue Mantis. Any candidate information received from any Agency/3 Party will be considered a gift and property of Blue Mantis, unless the Agency/3 Party is an Authorized Vendor of Blue Mantis with an up-to-date Blue Mantis Contract in hand signed by Blue Mantis Talent Acquisition. No payment will be made to any Agency/3 Party who is not an Authorized Vendor, nor has specific approval in writing from Blue Mantis Talent Acquisition to engage in recruitment efforts for Blue Mantis. At this time we have no interest in onboarding any new staffing partners.

What you’ll do

Lead and mentor a team of 4–6 Senior Network Engineers, coordinate daily scrum calls, manage escalations and on-call operations, and contribute to performance reviews. Resolve complex network incidents, conduct root cause analyses, implement preventive measures, and communicate with stakeholders while supporting and optimizing the customer’s network environment.

Requirements

Requires 8–12 years of network engineering experience, including 2–3 years in a leadership or team lead role, with demonstrated experience in escalations, incident management, and team operations. Candidates should have expertise in Cisco and Nexus switching and routing, Palo Alto and Check Point firewalls, Meraki, F5 load balancers, monitoring, and automation; relevant certifications are preferred.

Listed skills

• Team Leadership · Preferred
• Incident Management · Preferred
• Root Cause Analysis · Preferred
• Python · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Team Leadership
• Network Engineering
• Cisco Switching
• Nexus Switching
• Routing
• Palo Alto Firewalls
• Check Point Firewalls
• Meraki Networking
• F5 Load Balancers
• Cisco SAN
• Incident Management
• Root Cause Analysis
• SolarWinds
• Python
• Ansible
• Patch Management

Job areas

• Technology
• Engineering
• Management & Leadership
• Security & Safety

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