Markham, On System administrator Jobs – 228 Openings This Week

Senior Network Administrator
Moneris Solutions —Toronto, ON
- $106,000–$135,000 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- AWS
- Profit sharing
- Paid time off
Systems Administrator III (Linux)
Moneris Solutions —Toronto, ON
- $85,000–$113,000 a year
- Full-time
- Hybrid work
- Azure
- Continuous improvement
- Mentoring
- Tuition reimbursement
- Employee assistance program
Senior Oracle Database Administrator
Tangerine Bank —Toronto, ON
- Hybrid work
- Research
- SQL
- Bachelor's
- Tuition reimbursement
Administrator, Salesforce - Front Office
Atlantic Packaging Products Ltd —Toronto, ON
- $85,000–$100,000 a year
- Hybrid work
- Salesforce
- Maintenance
- Microsoft Office
- Wellness program
- Dental care
Quick apply
Senior Consultant, HR Technology (Workday)
Moneris Solutions —Toronto, ON
- $107,000–$140,000 a year
- Full-time
- Hybrid work
- Maintenance
- Project management
- Continuous improvement
- Profit sharing
- Paid time off
8d
Senior System Administrator
fgf brands —Greater Toronto Area, ON
- Full-time
- Computer Science
- System design
- Maintenance
- Tuition reimbursement
Lead Product Engineer, Integrations
servicePath —Ontario
- Full-time
- Remote
- Salesforce
- In-person
- AI
Quick apply
PACS Systems Administrator, Medical Imaging - FT (J0826-0653)
North York General Hospital —Toronto, ON
- $49.14–$59.20 an hour
- Weekends as needed
- Microsoft Word
- Computer Science
- Maintenance
Quick apply
12d
Systems Engineer
Moneris Solutions —Toronto, ON
- $100,000–$142,000 a year
- Full-time
- Hybrid work
- Azure
- DevOps
- Windows
- Tuition reimbursement
- Employee assistance program
IT Support Specialist (Chinese Speaking Preferred)
Kiokii and … Inc. —Markham, ON
- $44,000–$48,000 a year
- Full-time
- Bilingual
- Inventory management
- English
- Dental care
- Vision care
Quick apply
Information Systems Technician
Canadian Armed Forces —Ontario
- $4,337–$6,413 a month
- Part-time
- No experience needed
- Dental care
- Paid time off
Analyste principal(e) de systèmes de gestion, ServiceNow CSM - FR 125
Export Development Canada | Exportation et développement Canada —Toronto, ON
- $96,557–$128,743 a year
- Full-time
- Hybrid work
- Software troubleshooting
- Salesforce
- English
- Wellness program
- Relocation assistance
Quick apply
5d
Senior Developer, ServiceNow CSM - EN 395
Export Development Canada | Exportation et développement Canada —Toronto, ON
- $96,557–$128,743 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Software troubleshooting
- Relocation assistance
Quick apply
5d
Senior Manager - IT
Confidential —Vaughan, ON
- $105,000–$125,000 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- PMP
- Store discount
- Wellness program
Quick apply
4d
Senior Business Systems Analyst, ServiceNow CSM - EN 125
Export Development Canada | Exportation et développement Canada —Toronto, ON
- $96,557–$128,743 a year
- Full-time
- Hybrid work
- Computer Science
- Software troubleshooting
- Salesforce
- Relocation assistance
Quick apply
5d
Lead Systems Administrator
OpenText —Richmond Hill, ON
- $92,320–$138,480 a year
- On call
- Azure
- Windows
- Bachelor's
- Paid time off
13d
Systems Administrator
Ontario Arts Council —Toronto, ON
- $32.78–$49.66 an hour
- Full-time
- Maintenance
- English
- Windows
Quick apply
3d
IT Support Administrator I
Affirm —Toronto, ON
- $63,000–$83,000 a year
- Remote
- Google Suite
- Windows
- Scripting
- Employee stock purchase plan
- Dental care
14d
IT System Administrator (Hybrid)
Siemens —Concord, ON
- $70,000–$90,000 a year
- Full-time
- Hybrid work
- Maintenance
- Research
- Presentation skills
- Profit sharing
Project Administrator
EllisDon Group —Toronto, ON
- $66,000–$81,000 a year
- Full-time
- Administrative experience
- Front desk
- Guest services

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system administrator jobs near markham, on

Senior Network Administrator

Moneris Solutions -
Toronto, ON

Apply Now

Job details

Full-time
$106,000–$135,000 a year

Qualifications

Information and network security experience
TCP
Cloud infrastructure
Azure
Computer Science
CCNP
PCI
Ansible
Load balancing
OSPF
LAN
Network infrastructure
CCIE
AWS
Bachelor's
IDS
Terraform
BGP
Mentoring
WAN
IPsec
Network architecture
ServiceNow
AI
Business
Python
Network security
Information Technology

Full job description

Senior Network Administrator

Your Moneris Career – The Opportunity

The Senior Network Administrator will play a key role in designing, implementing, securing, and supporting enterprise network infrastructure across data centers, LAN, WAN, IoT, wireless, cloud, and edge environments. This position is responsible for ensuring highly available, resilient, and secure network services while providing senior-level technical expertise in a highly regulated payments environment.

You will have the opportunity to work across network security, cloud connectivity, automation, and infrastructure modernization initiatives that directly support critical business operations. This role offers broad ownership of enterprise networking technologies, including firewalls, load balancing, cloud networking, SD-WAN, and automation tooling, while partnering closely with Information Security, Infrastructure, Cloud, and Application teams. As a senior technical contributor, you'll help shape network strategy, lead complex projects, mentor team members, and play a key role in maintaining secure, scalable, and compliant network services.

Additional Role Details

Location : You will be based in our Toronto office, balancing in-office collaboration with remote flexibility.

Reporting Relationship : You will report to the Manager of Network Infrastructure

Posting Type : New Position

Salary Range : The expected base salary range for this role is $106,000 - $135,000.

Total compensation may also include variable or discretionary incentive components, including but not limited to bonuses and commissions. Individual job offers are determined by various factors, including experience, education, skills, certifications, and other business needs.

Your Moneris Career – What you'll do

Implement and manage enterprise firewall platforms, including rule governance and recertification.
Maintain network security controls, segmentation, IDS/IPS technologies, and compliance requirements.
Design, implement, and support enterprise LAN, WAN, routing, switching, and wireless infrastructure.
Administer load balancing solutions, DNS, DHCP, and IP Address Management (IPAM) services.
Manage SD-WAN, VPN, IPsec, and secure third-party connectivity solutions.
Implement and support cloud and edge networking services across Azure, AWS, and Cloudflare environments.
Develop and maintain network automation using Ansible, Python, and Terraform.
Lead infrastructure projects, provide technical mentorship, and support operational excellence initiatives.

Your Moneris Career – What you bring

Required qualifications

Bachelor's degree in Information Technology, Computer Science, or a related discipline, or equivalent practical experience.
7+ years of experience supporting enterprise network infrastructure.
Hands-on experience with Palo Alto Networks, Cisco, Arista, Check Point, F5 load balancers, Cloudflare, and DDI platforms.
Strong knowledge of TCP/IP, DNS, DHCP, VLANs, routing, switching, OSPF, BGP, and VPN technologies.
Experience supporting network operations in regulated environments such as PCI DSS.
Demonstrated expertise troubleshooting complex network and security issues.

Preferred qualifications

Experience with Azure and/or AWS networking services.
Knowledge of SD-WAN, network automation, AI-driven operations, and scripting languages.
Familiarity with ITSM processes and platforms such as ServiceNow.
Industry certifications including CCNP, CCIE, PCNSE, NSE, or equivalent.

Your Moneris Career – What you get:

At Moneris, we believe in empowering you to succeed—personally and professionally. As part of our team, you'll have access to resources, opportunities, and an inclusive environment that supports your development and career.
Comprehensive Total Rewards Program, including performance-based bonuses, flexible benefits starting from day one, and your choice of a health spending account (HSA) or personal spending account (PSA)
Retirement planning support, with profit-sharing programs including company match and a defined contribution pension plan
Growth & development opportunities, including unlimited access to Coursera, mentorship programs, and an internal gig marketplace
Holistic wellness support, with an Employee & Family Assistance Program, 24/7 virtual healthcare, and workplace wellness initiatives
Flexibility that works for you, including hybrid work arrangements, a Work from Abroad program, and paid time off programs
Recognition and rewards, with company-wide recognition programs, exclusive banking perks from RBC & BMO, and access to great employee discounts

We understand that systemic barriers may contribute to imposter syndrome for some candidates. We encourage you to apply even if you do not meet every qualification listed.

#LI-Hybrid
#TECH-IND

Note: We welcome and encourage applications from Indigenous peoples, people of colour, people with disabilities, people of all genders, sexual orientation and intersectional identities.

AI Disclosure: We may use AI-enabled tools to screen, select, and assess applications. All AI outputs are reviewed and validated by our recruitment team.

We acknowledge that people from equity-deserving groups (including racialized individuals, women, gender diverse individuals, individuals with disabilities, neurodivergent individuals, members of 2SLGBTQIA+ communities and those born outside of Canada) are less likely to apply for jobs unless they feel they meet all the requirements posted. At Moneris, we believe candidates bring experience to their work in many ways. We encourage you to apply and share, in the application form, the transferrable experience you bring, and how this will support your success in this role.

Apply Now

Refine Your Search

system administrator jobs in markham, on

Senior Network Administrator

Systems Administrator III (Linux)

Senior Oracle Database Administrator

Administrator, Salesforce - Front Office

Senior Consultant, HR Technology (Workday)

Senior System Administrator

Lead Product Engineer, Integrations

PACS Systems Administrator, Medical Imaging - FT (J0826-0653)

Systems Engineer

IT Support Specialist (Chinese Speaking Preferred)

Information Systems Technician

Analyste principal(e) de systèmes de gestion, ServiceNow CSM - FR 125

Senior Developer, ServiceNow CSM - EN 395

Senior Manager - IT

Senior Business Systems Analyst, ServiceNow CSM - EN 125

Lead Systems Administrator

Systems Administrator

IT Support Administrator I

IT System Administrator (Hybrid)

Project Administrator

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