IT Support Jobs in Markham, ON

Browse 11 IT Support jobs in Markham, ON. IT support jobs keep computers, networks and users working, from help desk and desktop support to system and network administration. Certifications like CompTIA A+ help at entry level. It covers roles such as help desk technician, desktop support analyst, IT support specialist and system administrator.

11 open jobs

Perseus Group logo

Perseus Group

Senior Systems Administrator – M365 & Infr...

$90,000 - $110,000 /year

  • Markham, Ontario
  • Sep 27, 2026
SearchLabs logo

SearchLabs

Technical Support Analyst

$85,000 - $105,000 /year

  • Markham, Canada
  • Sep 24, 2026
Pet Valu logo

Pet Valu

Bilingual Help Desk Analyst

$46,400 - $60,000 /year

  • 0001
  • Sep 21, 2026
PAR Technology logo

PAR Technology

Technical Support Agent

$38,000 - $42,000 /year

  • Markham
  • Sep 13, 2026
Sienna Senior Living logo

Sienna Senior Living

Telephone and Nurse Call System Administrator

$64,201 - $80,251 /year

  • Markham, Ontario, Canada
  • Sep 03, 2026
Oak Valley Health logo

Oak Valley Health

Systems Administrator, Information Technol...

  • Markham Stouffville Hospital, Canada
  • Aug 27, 2026
Parsons Corporation logo

Parsons Corporation

Senior Equipment Technical Support Special...

  • CAN ON Markham (70 Gibson Drive), Canada
  • Aug 20, 2026
Perseus Group logo

Perseus Group

Desktop Support Technician

$85,500 - $104,500 /year

  • Markham, Ontario
  • Aug 20, 2026
Jonas Software logo

Jonas Software

System Administrator (Microsoft F&O)

  • Canada
  • Aug 09, 2026
GE Vernova logo

GE Vernova

Lead Engineer - Customer Technical Support...

$110,500 - $160,500 /year

  • Markham, Canada
  • Aug 07, 2026
BGIS logo

BGIS

Service Desk Analyst

$47,118 - $58,897 /year

  • Markham, ON, Canada
  • Jul 24, 2026

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