Systems Administrator jobs in Ajax, ON

Whitby Southeast, Canada | Posted on 01/23/2026 About Us The company is headquartered inWhitby, Ontario. SIMNET is known for its expertise in cloud computing and itscommitment to providing high-quality, reliable, and secure services to itscustomers. Our global team is committed tobuilding a community where phenomenal people want to work long term by livingour values of passion, focus,...

Safran est un groupe international de haute technologie opérant dans les domaines de l'aéronautique (propulsion, équipements et intérieurs), de l'espace et de la défense. Sa mission : contribuer durablement à un monde plus sûr, où le transport aérien devient toujours plus respectueux de l'environnement, plus confortable et plus accessible. Implanté sur tous les continents, le Groupe emploie 100...

Our employees are at the heart of what we do best: helping people, businesses and society prosper in good times and be resilient in bad times. When you join our team, you’re bringing this purpose to life alongside a passionate community of experts. Feel empowered to learn and grow while being valued for who you are– here, diversity is a strength. You have our commitment to support you in...

About the Company Our client is a global company. They are looking for a Director of Finance Systems & Data to join their team! Why Work Here New role due to growthOur client is an excellent, well-managed company with a strong balance sheet, stable cash flows and a strong outlook for their businessFantastic boss we have worked with for over a decadeOpportunity to help build out a teamGood work...

A municipal government in York Region is hiring an AMPS Administrator to manage office and system administration for the AMPS program. Responsibilities include data entry, customer support, and training staff in the GTECHNA system. Candidates must have a diploma in municipal law enforcement and related experience in parking operations. The role emphasizes excellent communication and customer...

Adecco is currently hiring a full-time detail-oriented and proactive Accounts Payable Administrator to join our client's dynamic team in Ajax, ON. In this role, you will be responsible for managing the accounts payable process, ensuring accuracy, and maintaining vendor relationships. This role requires advanced Excel skills (X-lookup and pivot tables), and previous experience specifically with...

Senior PostgreSQL System Administrator сург> Markham, ON (3x onsite a week) Employment Type Contract Pay Rate CAD$40 - 48/HR INC Job Description We IAction likely aided and highly skills Senior PostgreSQL System Administrator with 5 to 7 years of hands‑on experience in managing large‑scale PostgreSQL environments. The ideal candidate will be responsible for database performance,...

A fintech recruitment agency is seeking a Senior Systems Administrator (Windows) for a permanent remote role in Ontario. You'll manage a globally used payment platform, ensuring a robust infrastructure. The ideal candidate has 7+ years of experience working with Windows Servers, strong skills in cloud management (Azure), and automation technologies. This role offers competitive salary, extended...

A municipal department in Markham is seeking a full-time AMPS Administrator responsible for overseeing the administrative aspects of the Administrative Monetary Penalty System (AMPS). The role includes data entry, customer support, and liaison with system vendors, requiring a Community College diploma and relevant experience. Join us to help enhance community services while enjoying a competitive...

A leading Canadian tech company in Markham is seeking an Intermediate Systems Administrator to support their hybrid compute infrastructure. This role involves administration of Linux systems, automation opportunities, and maintaining system availability. The ideal candidate must have 5+ years in IT support, experience with Azure, and skills in scripting. The job offers competitive pay between...

We are currently requesting resumes for the following position: ServiceNow System Administrator Resume Due Date: Friday, August 01, 2025 (5:00PM EST) Job ID: 25-126 Number of Vacancies: 1 Level: MP5 Duration: 14 Months Hours of work: 35 Hours per week Location: CHQ, Oshawa Work Mode: Hybrid – 3 days remote Job Overview - A ServiceNow Systems Administrator is responsible for managing and...

Job Summary We are seeking an experienced and highly skilled Senior PostgreSQL System Administrator with 5 to 7 years of hands‑on experience managing large‑scale PostgreSQL environments. The ideal candidate will be responsible for database performance, optimization, scalability, and security across mission‑critical systems, mentor junior DBAs, and support architectural decisions to ensure high...

Location: Markham The System Administrator is responsible for the maintenance, configuration, and reliable operation of the organization’s computer systems and servers. You will install hardware and software and participate in research and development to continuously improve and keep up with the IT business needs of the organization. Responsibilities: Manage daily, weekly, monthly & quarterly...

GIS System Administrator IDS Any Pinchin Office (Hybrid) Pinchin is looking for an experienced GIS System Administrator to join the Integrated Digital Services (IDS) Team. The GIS System Administrator will be responsible for the management, maintenance, and optimization of the organization's Geographic Information System (GIS) infrastructure. This role involves overseeing the implementation of...

# 23186 BEV 123 Systems Administrator Markham, ON Full time permanent position - Excellent communication in English (Spoken & Written) - College or university degree in a related field (includes computer networking, technical support) and 3-5 years of related work experience - Level 2 IT support experience - MCP, MCSE, CompTIA certified - Solid knowledge of Windows Operating Systems and MS...

Intermediate Systems Administrator## ## Who We Are## ## Teranet is Canada’s leader in the delivery and transformation of statutory registry services with extensive expertise in land and commercial registries. We also market insightful property and data solutions, as well as practice management automation to thousands of customers in the real estate, financial services, government, utilities, and...

A fintech recruitment agency is seeking a Senior Systems Administrator (Windows) for a permanent remote role in Ontario. You'll manage a globally used payment platform, ensuring a robust infrastructure. The ideal candidate has 7+ years of experience working with Windows Servers, strong skills in cloud management (Azure), and automation technologies. This role offers competitive salary, extended...

GIS System Administrator IDS Any Pinchin Office (Hybrid) Pinchin is looking for an experienced GIS System Administrator to join the Integrated Digital Services (IDS) Team. The GIS System Administrator will be responsible for the management, maintenance, and optimization of the organization's Geographic Information System (GIS) infrastructure. This role involves overseeing the implementation of...

Job Description We are looking for an experienced Senior Systems Administrator (Windows) for our client. This is a permanent position, remote in Ontario! Our client is a large fintech firm with a product that you've likely used many times before. You will have the opportunity to work on an extremely large, internationally used payment platform. Your role will encompass managing, building,...

Job Description We are looking for an experienced Senior Systems Administrator (Windows) for our client. This is a permanent position, remote in Ontario! Our client is a large fintech firm with a product that you've likely used many times before. You will have the opportunity to work on an extremely large, internationally used payment platform. Your role will encompass managing, building,...