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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.
Job Responsibility:
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 SysTrust 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
Requirements:
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
What we offer:
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