Flexstaf I.T. Inc.

Systems Administrator

Flexstaf I.T. Inc.  •  Mississauga, CA (Onsite)  •  5 months ago
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Job Description

We are looking for an intermediate systems administrator to work in a Windows environment with a small team of 2 other system admins. You will have 3-5 years experience working in Windows Server environments (physical and virtual), VMware ESX 6.5+, and AD administration, along with strong knowledge of networking hardware (firewalls, switches, routers) and Microsoft technologies (Exchange/M365, SharePoint, Azure, Windows 11)

Key Responsibilities:

Infrastructure & Networking:

  • Manage VMware ESX 6.5 & later infrastructure across multiple data centers (VM provisioning, replication, backup, SAN connectivity, performance monitoring).
  • Install, configure, and maintain Windows Servers, Activate Directory, storage, and network devices.
  • Configure network components (switches, routers, VLANs, firewalls, SAN/NAS).
  • Manage network security (firewalls, VPN, certificates, policies).
  • Implement and maintain SSL/TLS certificates, DNSs.
  • Monitor operational and security systems; interact with vendors and service providers

Desktop & End-User Support:

  • Provide Tier 1 and Tier 2 support for desktops, laptops, and end-user systems.
  • Support helpdesk operations, process work requests and deliver exceptional customer service.
  • Monitor tickets for SLA compliance and prioritize accordingly

Security & Compliance:

  • Install and maintain antivirus, intrusion detection, and endpoint security software (e.g., Kaspersky, CrowdStrike).
  • Ensure compliance with disaster recovery RTO and RPO requirements; contribute to DR planning and testing.
  • Assist in capacity planning to meet application and project requirements.
  • Participate in security incident resolution process and security remediation initiatives as needed.
    Monitor operational and security systems and interact with Vendor and Service providers.

Systems and Application Environment Administration

  • Administer Active Directory, DNS, DHCP, IIS, RDP, WSUS, and SQL servers.
  • Perform patching, updates, and maintenance during scheduled windows.
  • Script automation using PowerShell.
  • Maintain documentation for systems and processes.
  • Participate in application releases, fixes and change deployments for the different environment during normal business hours and during maintenance windows.

    Knowledge, Skills & Abilities


  • 3–5 years of experience in system administration and IT support with a college or university degree (preferred)
  • Knowledge and experience with MS Entra ID and SSO
  • Experience migrating and administering Windows Server 2022/253.
  • Expertise in Windows Server environments (physical and virtual), VMware ESX 6.5+, and AD administration.
  • Proficiency with PC/Laptop hardware installation and support (Remote, on-site).
  • Strong knowledge of networking hardware (firewalls, switches, routers) and Microsoft technologies (Exchange/M365, SharePoint, Azure, Windows 11).
  • Experience with SAN/NAS storage, backup solutions (Veeam/N-able), and Cisco Meraki.
  • Familiarity with ITIL procsses and service management.
  • Proficiency in SSL certificate management, DNS administration, and security tools.
  • Knowledge of .NET framework and SQL Server operations (backup, restore, performance tuning).

Education & Certifications

Post-secondary education – Degree or diploma in Information Technology, Computer Science, or a related field.

CISM Security certification and knowledge of Cybersecurity frameworks like NIST CSF and Cybersecure Canada

A+ Certification is an asset.
Microsoft Office Specialist or Microsoft Certified Desktop Support Technician is ideal.
Preferred Certifications:
o Microsoft Certified Solutions Associate (MCSA) or Microsoft Certified: Windows Server Fundamentals
o VMware Certified Professional (VCP)
o CompTIA Network+ and Security+
o ITIL Foundation Certification
o Cisco CCNA
o Azure Fundamentals (AZ-900)

Additional Requirements:

This person will be required to do system and security updates every 3 weeks on Sunday nights between 10:00 PM and Midnight.

FSIN

Flexstaf I.T. Inc.

About Flexstaf I.T. Inc.

Flexstaf IT is an Approved Vendor for The Ministry of Government Services, Task - Based Information and Information Technology (I&IT) Services - VOR # OSS - 00430429. FlexStaf I.T. is a Canadian based organization specializing in providing various organizations across all industries, the best qualified I.T. personnel for short or long term contract assignments, permanent placement positions, or fully managed end to end I.T. project solutions. Specialized I.T. professionals include resources skilled in Application Development, Infrastructure Support, Business Analysis, Quality Assurance, Management and Senior Executive level, from all I.T. technical domains.

With 17 years of I.T. Sales Management and Recruitment experience, our management team's strength include the instinct to deliver professional candidates to respective employers efficiently, effectively and most importantly, successfully ensuring complete satisfaction.

"Flexible people, delivering flexible solutions"​

Industry
IT & Software
Company Size
1-10 employees
Headquarters
Whitby, CA
Year Founded
Unknown
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