Technical Support Engineer L2

Job summary

Provide L2 technical support across Windows, macOS, and Linux environments, including desktops, servers, business applications, networks, security appliances, and VoIP systems. Manage and document support requests, troubleshoot escalated issues, maintain infrastructure and network documentation, and collaborate with vendors and internal teams on resolutions and projects.

Job details

Job Summary EN3 Solutions Ltd. is looking for skilled L2 IT Support Engineers with 2-5 years of experience to support Windows environments, servers, networks, security appliances and VoIP systems. This is a hands-on opportunity for someone who takes ownership, communicates confidently with clients and enjoys working across multiple technologies. We are seeking a proactive and technically skilled Support Engineer with a valid Canadian driver’s license to join our dynamic IT support team. In this role, you will be the frontline problem solver, providing exceptional technical assistance to end-users across various platforms and environments. Your expertise will ensure seamless connectivity, hardware functionality, and software performance, empowering our users to operate efficiently and confidently. This position offers an exciting opportunity to work with cutting-edge technology, troubleshoot complex issues, and deliver outstanding customer service in a fast-paced environment. Duties Provide technical support for desktops, laptops, peripherals and business applications across Windows, macOS and Linux environments. Install, configure, upgrade and maintain hardware, operating systems and software, including Microsoft Office applications. Support Windows Servers and Domain Controllers, including Active Directory, Group Policy, DNS and DHCP. Maintain and troubleshoot email and web servers, addressing security, availability and performance issues. Manage support requests and escalations through osTicket, maintaining clear documentation, appropriate prioritization and SLA compliance. Use Atera RMM for proactive monitoring, patch management, remote support, automation and endpoint health reporting. Configure and troubleshoot firewalls and security appliances, including Ubiquiti UniFi, Netgate/pfSense and Cisco. Support Layer 2 and Layer 3 switches, including VLANs, trunking, routing and network segmentation. Configure and troubleshoot IPsec, WireGuard and OpenVPN solutions for site-to-site connectivity and secure remote access. Diagnose connectivity and performance issues across LAN, WAN and wireless networks. Support VoIP systems, including SIP configurations, call quality and Quality of Service (QoS). Investigate recurring incidents, identify root causes and implement corrective actions. Maintain technical documentation, network diagrams and standard operating procedures. Collaborate with vendors, ISPs and internal teams to resolve escalated issues and support infrastructure projects. Participate in on-call rotations and planned maintenance windows, and mentor junior colleagues where required. Skills For L2: Typically 2–5 years of relevant experience, including desktop support, escalated troubleshooting, systems administration and software deployment. Strong hands-on knowledge of Windows workstations and servers, with experience supporting macOS and Linux environments. Practical expertise in networking, firewalls, VPNs, hardware troubleshooting and enterprise applications. Experience with ticketing systems such as osTicket, ServiceNow, Jira or BMC Remedy, ideally with exposure to Atera or a similar RMM platform. Clear, professional communication and the ability to explain technical solutions to non-technical users. Strong prioritization skills, a structured troubleshooting approach and ownership of issues through resolution. Availability for rotational morning and night shifts as required. A valid Canadian driver’s licence Preferred Qualifications A Degree in Information Technology, Computer Science or a related field, or equivalent hands-on experience. Experience in MSP, multi-client or multi-site environments. Relevant Microsoft certifications, CompTIA Network+ or Security+, Cisco CCNA, or vendor-specific networking credentials. Exposure to scripting, automation and process improvement. Experience supporting SaaS or regulated environments, including finance, healthcare or legal services. Work Location: In person Pay: $46,200.00-$60,000.00 per year Benefits: Dental care Extended health care On-site parking To apply, use this link or apply directly on Linkedin Technical Support Engineer (L2) - Mississauga, ON L5S 1V9 - Indeed.com

What you’ll do

Provide L2 technical support across Windows, macOS, and Linux environments, including desktops, servers, business applications, networks, security appliances, and VoIP systems. Manage and document support requests, troubleshoot escalated issues, maintain infrastructure and network documentation, and collaborate with vendors and internal teams on resolutions and projects.

Requirements

Candidates typically have 2–5 years of relevant experience and hands-on expertise in Windows workstations and servers, networking, firewalls, VPNs, hardware troubleshooting, and enterprise applications. A valid Canadian driver’s licence, clear communication, structured troubleshooting, and availability for rotational shifts are required; a relevant degree or equivalent experience and industry certifications are preferred.

Benefits

• Dental Care
• Extended Health Care
• On-Site Parking

Listed skills

• Active Directory · Preferred
• Microsoft Office · Preferred
• Technical Documentation · Preferred
• Root Cause Analysis · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Windows Support
• Windows Server Administration
• Active Directory
• Networking
• Firewall Configuration
• VPN Configuration
• Hardware Troubleshooting
• macOS Support
• Linux Support
• Microsoft Office
• VoIP Support
• Ticket Management
• Remote Monitoring and Management
• Technical Documentation
• Root Cause Analysis
• Customer Communication

Job areas

• Technology
• Customer Service & Support
• Security & Safety