High-paying IT support jobs in Mississauga
IT support encompasses the services provided to assist users in resolving hardware and software issues. Technicians often help diagnose problems and ensure technology runs smoothly. IT support roles commonly require skills in troubleshooting, communication, and a solid understanding of software and hardware systems.
The 90 IT support jobs listed below pay well, with salaries between $57,690 and $96,988 per year. IT Support, Technical Support Specialist and Senior Systems Administrator are among the most popular high-paying roles in Mississauga, ON.
Job title
Updated Sep. 24, 2026
Job title
Mississauga, ON
Ontario
Job openings (Mississauga)
Network Engineer
Mississauga
$96,988
per year
Ontario
$95,462
per year
Senior Systems Administrator
Mississauga
$77,574
per year
Ontario
$86,614
per year
Application Support Analyst
Mississauga
$64,709
per year
Ontario
$73,843
per year
IT Support
Mississauga
$63,622
per year
Ontario
$64,601
per year
Technical Support Specialist
Mississauga
$57,690
per year
Ontario
$66,423
per year
Job descriptions below are for educational purposes. Please refer to the employer's job description for complete details.
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Network Engineer
Review job description
Please refer to the employers job description for complete details.
Network Engineers design and maintain secure networks, troubleshoot connectivity issues, and optimize performance across systems. They need expertise in routing protocols, knowledge of network security standards, and skill using diagnostic and configuration tools.
See 10 jobsAverage salary
Mississauga
$96,988 per yearOntario
$95,462 per yearSkills
- Firewall
- VPN
- BGP
- Network engineering
-
Senior Systems Administrator
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Please refer to the employers job description for complete details.
Senior Systems Administrators manage complex IT infrastructure, oversee network security, and optimise server performance. They need expertise in cloud platforms, strong troubleshooting ability, and familiarity with compliance standards to support enterprise environments effectively.
See 16 jobsAverage salary
Mississauga
$77,574 per yearOntario
$86,614 per yearSkills
- System administration
- Windows
- Linux
- VMWare
- Active Directory
-
Application Support Analyst
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Please refer to the employers job description for complete details.
Application Support Analysts troubleshoot software issues, coordinate fixes with developers, and maintain user system performance. They need expertise in IT support tools, sector-specific applications, and strong problem-solving and communication abilities.
See 14 jobsAverage salary
Mississauga
$64,709 per yearOntario
$73,843 per year -
IT Support
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Please refer to the employers job description for complete details.
IT Support Specialists troubleshoot hardware and software issues, maintain network connectivity, and assist users with technical questions. They need expertise in operating systems, knowledge of corporate IT environments, and strong problem-solving and communication skills.
See 27 jobsAverage salary
Mississauga
$63,622 per yearOntario
$64,601 per yearSkills
- IT support
- Software troubleshooting
- Microsoft Office
- Computer networking
- Windows
-
Technical Support Specialist
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Please refer to the employers job description for complete details.
Technical Support Specialists resolve software and hardware issues, guide users through troubleshooting, and maintain system efficiency. They need expertise in IT environments, customer-focused communication skills, and familiarity with common operating systems and networks.
See 23 jobsAverage salary
Mississauga
$57,690 per yearOntario
$66,423 per yearSkills
- Technical support
- Software troubleshooting
- Windows
- Microsoft Office
- Linux