Senior Systems Administrator

UNICEF Canada; Toronto; Hybrid; CAD 70,000 - 86,000; Full time

Job summary

Join a forward-thinking organization as a Senior Systems Administrator, where you'll play a vital role in ensuring the reliability and security of IT infrastructure. This position offers the chance to manage Microsoft 365 services, oversee cybersecurity measures, and support network operations. With a flexible-hybrid work model, you will be part of a dynamic team dedicated to making a meaningful impact. Enjoy a robust compensation package, including extended health benefits, generous vacation time, and opportunities for professional growth. If you're passionate about technology and want to contribute to a purpose-driven mission, this role is perfect for you.

Benefits

Extended Health/Dental benefits

Wellness Account

Life and Disability insurance

Employer pension contributions

Flexible work environment

Employee wellness days

Discounted gym membership

Employee Assistance Program

Qualifications

• 3+ years as a Systems Administrator in a Windows Server environment.
• Expertise in Microsoft 365 services and Active Directory management.

Responsibilities

• Manage and optimize Microsoft 365 services and ensure cybersecurity compliance.
• Support network infrastructure and provide technical support across services.

Skills

Microsoft 365 Administration

Cybersecurity

Network Administration

Server Management

Active Directory

SQL Databases

Problem Solving

Communication

Education

Two-year post-secondary degree or equivalent technical accreditation

Tools

Microsoft Azure

FortiGate

HP/Aruba switches

Hyper-V

Microsoft Defender

Job description

Get AI-powered advice on this job and more exclusive features.

(Instructions to apply at the bottom of posting)

Position Title:

• Senior Systems Administrator

Employment Type:

• Permanent, Full-time

Reports to:

• Vice President, Technology

Direct Reports:

• 0

Salary Range:

• $70,500 to $85,500 per year with benefits and 3 weeks paid vacation

Work Location:

• Toronto
• UNICEF Canada currently operates under a Flexible-Hybrid model that requires team members to attend the office at least 2 days/week.

The Opportunity

The Senior System Administrator (SSA) plays a critical role in ensuring the reliability, security, and efficiency of the organization’s IT infrastructure. This includes provisioning, configuring, and maintaining systems and services—on-premises, cloud-based, and hybrid.

The Senior System Administrator drives innovation by evaluating emerging technologies and provides expert guidance to project teams to ensure smooth transitions from development to production environments. This role supports the entire organization—staff, volunteers, and partners—by aligning IT operations with business goals.

Key Accountabilities

Cloud and Microsoft 365 Administration (25%)

• Manage and optimize Microsoft 365 services (SharePoint, OneDrive, Teams, Exchange Online, Power Platform).
• Administer security and compliance tools, including Microsoft Defender, Conditional Access, MFA, DLP policies, and Information Protection.
• Ensure smooth integration between Microsoft 365, Active Directory, and hybrid cloud environments.
• Monitor system health and respond to alerts via the Microsoft 365 Admin Center
• Stay current on M365 updates and implement new features as needed.
• Support users through training and guidance on Microsoft 365 tools.
• Plan and manage data backup, retention, and recovery to support business continuity.
• Research, recommend, and implement cloud services (e.g., Azure, Salesforce NPC) aligned with organizational needs.
• Use cloud automation tools to enhance system performance and security.
• Work with internal teams to ensure new cloud solutions integrate well with existing infrastructure.

Cybersecurity & Compliance (25%)

• Protect systems from threats like malware, phishing, and ransomware by managing the organization’s cybersecurity framework.
• Ensure systems follow industry standards (e.g., ISO 27001, NIST) and internal security policies.
• Manage Microsoft 365 Security & Compliance Center tools such as Data Loss Prevention (DLP), Information Governance, and Conditional Access.
• Monitor security alerts using various tools (e.g., Microsoft Defender, Azure Security Center) to detect and respond to risks.
• Develop and maintain cybersecurity documentation, including incident response plans, breach procedures, and security policies.
• Run regular security checks like vulnerability scans, penetration tests, and audits.
• Support cross-functional teams in applying security best practices in all IT projects and systems.
• Provide security awareness training and updates to staff to ensure compliance with cybersecurity policies and reduce the risk of user-related security breaches.

Network Administration (25%)

• Manage and support network infrastructure, including FortiGate firewalls, HP/Aruba switches, Microsoft Azure, and Windows Server 2016/2019.
• Provide Tier 2 and 3 technical support across on-premise and cloud-based services.
• Recommend and help implement automation, policies, and procedures to maintain high service levels.
• Document policies, procedures, systems, configurations, and network architecture using tools like Microsoft Visio.
• Research and recommend new network technologies, security protocols, and cloud solutions (e.g., Azure, AWS).
• Lead and support IT infrastructure projects at head office and regional sites.
• Configure and maintain network monitoring tools such as WhatsUp Gold.

Server & Application Management (25%)

• Regularly monitor server health, system performance, logs, and backup jobs across virtual (Hyper-V), cloud, and physical environments.
• Perform regular security checks to detect intrusions and maintain firewall and antivirus protection.
• Manage and automate backup and disaster recovery systems (on-prem, hybrid, and cloud) including SAN/NAS storage.
• Maintain user accounts and permissions in Active Directory (on-premise and Azure AD); implement and document Group Policies.
• Troubleshoot and resolve hardware, software, and user issues; coordinate with affected teams.
• Apply system updates, patches, and upgrades; configure new services as needed.
• Optimize server resources and document operational procedures.
• Track system performance for capacity planning and perform hardware upgrades as required.
• Maintain data center equipment and environmental controls.
• Support Citrix environments, email platforms (Microsoft 365, Exchange Online), antivirus/anti-spam tools, and other core systems.
• Schedule and perform maintenance tasks during off-hours as needed to minimize disruption.

Additional Qualifications

• Education and Certifications: Completion of a two-year post-secondary degree or equivalent technical accreditation (e.g., Microsoft Azure Administrator, CCNA, CompTIA Network+, CompTIA Security+).
• Experience: Minimum of 3 years in the role of Systems Administrator, specifically in a Windows Server 2012/2016 Active Directory environment.
• Active Directory Expertise: Proven experience (minimum 3 years) in creating and configuring Group Policies (GPOs) across the domain.
• Microsoft 365 Administration: Minimum of 3 years managing, administering, and supporting Microsoft 365 services, including Exchange Online, Microsoft Defender, and Advanced Threat Protection.
• SQL and Databases: Strong technical expertise in MS SQL Server, including backup strategies and cloud-based databases (e.g., Azure SQL).
• Hardware & Networking: Excellent technical knowledge of workstation and server hardware, including VMware/Hyper-V, printers, and networking equipment. Advanced knowledge of network protocols such as TCP/IP, DNS, DHCP, VPN, and VLAN.
• M365 and Office Applications: Proficiency in managing SharePoint, OneDrive, and the full MS Office suite, including tools like Visio and Project.
• Travel & Flexibility: Willingness to travel periodically within Canada and perform off-hours maintenance tasks as required.
• Backup & Restore Solutions: Knowledge and experience with Datto backup solutions for data protection and disaster recovery.
• Firewall & Security: Proficiency with Barracuda and FortiGate firewalls, including configuration and management.
• CRM/ERP Systems: Experience with Blackbaud’s Raiser’s Edge or other ERP/CRM systems.
• VoIP Technologies: Solid understanding of Voice over IP (VoIP) technologies and infrastructure.
• System Monitoring & Management: Experience with MS Operations Manager for performance monitoring and system management.
• Web Technologies: Familiarity with web technologies for system integration and management.
• Problem Solving: Excellent problem identification and resolution skills, with a proactive approach to troubleshooting technical issues.
• Communication: Strong communication skills, both verbal and written, with the ability to convey complex technical concepts to non-technical staff.
• Project Management: Demonstrated project management skills, including the ability to lead projects

An Employer of Choice: What We Offer

A ROBUST COMPENSATION PACKAGE

• Extended Health/Dental benefits, Healthcare Spending Account, and Wellness Account
• Life, AD&D, & Long-Term disability insurance coverage
• Employer match contributions (5%) to a Group Pension Plan
• Access to parental leave top-up

A COMMITMENT TO WELLNESS

• Flexible-hybrid work environment to support the work-life integration needs of our team
• Minimum 3 weeks of annual vacation (increases with time served) & 1 additional day per year of service (max 30)
• 9 to 11 employee wellness days – an additional series of pre-set days off, given annually to further extend long weekends
• Discounted rate for a GoodLife gym membership
• Access to an Employee and Family Assistance Program

A CULTURE OF LEARNING & GROWTH

• Access to a comprehensive global learning platform with over 1600 courses, webinars & resources
• Internal leadership development, training, & mentorship programs that integrate Anti-Racism and diversity, equity and inclusion principles
• Opportunities to access both local & global stretch assignments

AN INCLUSIVE & PURPOSE-DRIVEN WORKPLACE

• Centrally located head office in mid-town Toronto with satellite offices in Calgary & Montreal
• Easily accessed by public transit and a short walk from several parking locations
• Inclusive & accessible co-working and meeting spaces designed to foster purpose at every turn and accommodate the diverse needs of employees

A CHANCE TO DO MEANINGFUL & LIFE-CHANGING WORK

• Under the leadership of a dynamic, accomplished, and experienced executive leadership team, you’ll be part of a diverse & talented Canada team committed to creating meaningful impact while fostering an inclusive and supportive work environment.
• You’ll join a global UNICEF family with a shared commitment to impact the lives of children

Our Commitment to Inclusive Workplaces & Recruitment

UNICEF Canada is an inclusive workplace and is committed to championing diversity, equity, inclusion and accessibility. Requests for accommodation can be made at any stage of the recruitment process. At UNICEF Canada, we believe strongly in personal connections and our hiring process is entirely human-driven. We do not use AI or automated systems to review applications or conduct interviews. Each candidate is evaluated by our experienced team to ensure a fair and thoughtful hiring experience.

How to Apply

Please submit your resume and cover letter as one document to [e-mail] by Wednesday, May 14, 2025. Please include your salary expectations in your cover email and reference Senior Systems Administrator in the subject heading.

UNICEF Canada thanks all applicants for their interest in this opportunity, however, only those selected for an interview will be contacted.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Non-profit Organizations

Referrals increase your chances of interviewing at UNICEF Canada by 2x

Get notified about new Senior System Administrator jobs in Toronto, Ontario, Canada.

Toronto, Ontario, Canada CA$65,629.00-CA$77,591.00 3 weeks ago

Systems Administrator Operations Support 0132-2415

IT Specialist (Senior M365 Administrator)

Active Directory Consultant (Intermediate) 8697-0410

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.