Systems Administrator​/Operations Support Specialist

We are seeking a Systems Administrator / Operations Support Specialist to join the Operations Control Centre (OCC). This role is critical for the end-to-end monitoring and management of large-scale infrastructure, including Mainframe (z/OS), UNIX, Windows servers, and network devices. You will be responsible for ensuring the availability of essential, time-sensitive, and public-facing applications. The position involves both digital monitoring and physical "Smart Hands" support within the data center cages, including coordinating hardware repairs and managing high-priority incident escalations.

Pay Rate: $330.15- $369.56/Diem

Advantages
- Critical Infrastructure Impact:
Play a vital role in maintaining the availability of high-visibility, public-facing services.

- Diverse Technical Exposure:
Work across a massive hybrid environment involving Mainframe, UNIX, Windows, and specialized network security cages.

- Shift Work Stability:
Benefit from a structured 24/7/365 environment with clear escalation paths and vendor support protocols.

- Professional Growth:
Opportunity to participate in Disaster Recovery exercises, audits, and modern "Shift Left" or "Agile Monitoring" initiatives.

Responsibilities
- 24/7 Infrastructure Monitoring:
Perform continuous monitoring of mainframe, midrange servers, storage, and network peripherals to ensure availability as per defined SLAs.

- Mainframe & System Support:
Support large z/OS mainframe systems, implementing change requests and taking prompt action to triage outages or escalate to Tier 2/3 and vendors.

- Incident & Change Management:
Respond to high-priority incidents, initiate established recovery procedures, and participate in service restoration meetings.

- Datacenter Physical Support:
Provide onsite "Smart Hands" services, including physical intervention to devices in Justice and PKI cages, and escorting vendor support for hardware repairs.

- Patching & Maintenance:
Coordinate and provide operational updates, upgrades, and security patches for various platforms.

- Audit & Recovery:
Participate in yearly Sys Trust audits and semi-annual Disaster Recovery (DR) exercises to ensure organizational resilience.

- Reporting & Analytics:
Use Power BI and the Office 365 suite to create operational updates, procedural documentation, and performance reports.

Qualifications
- z/OS Mainframe Expertise: 5–8+ years of demonstrated experience supporting and monitoring large-scale z/OS mainframe systems.

- Server & Network Management:
Broad knowledge of UNIX and Wintel (Windows) server hardware components and end-to-end system management.

- Service Management Tools:
Proficiency with enterprise tools such as eSMT, Remedy, and CIT.

- ITIL Framework:
Strong understanding of ITIL principles, specifically Incident and Change Management processes.

- Monitoring Tools:
Demonstrated experience with system and application monitoring performance tools in a high-pressure environment.

- Modern Productivity & Data Tools:
Proficient in Microsoft 365 for collaboration and Power BI for data visualization and analytics.

- Communication:
Exceptional verbal and written communication skills for technical documentation and executive reporting.

Summary
If you are a Systems Administrator with deep z/OS Mainframe knowledge and the technical versatility to provide "Smart Hands" support in a high-stakes data center, we encourage you to apply today!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming;
Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to  to ensure their ability to fully participate in the interview process.