Mainframe Admin Full Time

170+ Years Strong. Industry Leader. Global Impact. At Pinkerton, the mission is to protect our clients. To do this, we provide enterprise risk management services and programs specifically designed for each client. Pinkerton employees are one of our most important assets and critical to the delivery of world-class solutions. Bonded together, we share a commitment to integrity, vigilance, and excellence.

Pinkerton is an inclusive employer who seeks candidates with diverse backgrounds, experiences, and perspectives to join our network of industry subject matter experts.

The Mainframe Admin will provide L2/L3 production support and deliver enhancements for mission-critical applications running on IBM z/VSE in a 24×7 operations environment.

Lead P1/P2 incident bridges, restore service quickly, drive high-quality RCA, and implement preventive fixes that reduce repeat outages and protect shipping/plant cutoffs.

Support connectivity and interfaces (VSEn/VSE Navigator/TCP-IP, file transfers, partner integrations) critical to supply chain execution

Responsibilities

• Represent Pinkerton’s core values of integrity, vigilance, and excellence.
• Own end-to-end production support: incident triage, service requests, problem management, and resolution within SLAs
• Lead P1/P2 bridges: rapid triage, clear executive-ready updates, action/owner tracking, and post-incident follow-through
• Perform RCA (5-Whys/fault tree as appropriate), document corrective actions, and execute preventive improvements (monitoring, automation, runbooks)
• Deliver enhancements: requirements clarification, impact analysis, design, build, unit/system testing, release, and hypercare.
• Manage change/release activities: implementation & backout plans, approvals, deployment execution, and post-deploy verification
• Support batch/online stability aligned to operational timelines (batch windows, cutoffs, reconciliations, interface replays)
• Coordinate across application, infrastructure, network, security, and vendor teams; ensure audit-ready documentation and evidence
• All other duties, as assigned.

Qualifications

At least seven years of experience in IBM z/VSE along with good communication as it’s a client facing role

• Strong hands-on IBM z/VSE production support (L2/L3)
• VSE JCL: job setup, dependency handling, reruns/restarts, checkpoint/restart patterns
• ITIL discipline: incident/problem/change management and strong RCA writing
• Connectivity/interfaces: TCP/IP troubleshooting, FTP/SFTP flows, file-based integrations, rerun/replay controls and reconciliation
• COBOL (or equivalent) for debugging, minor-to-medium enhancements, and production fixes
• Strong testing and release support in controlled environments (segregation of duties, approvals, evidence).

Working Conditions

With or without reasonable accommodation, requires the physical and mental capacity to effectively perform all essential functions;

• Regular computer usage.
• Occasional reaching and lifting of small objects and operating office equipment.
• Frequent sitting, standing, and/or walking.
• Travel, as required.

Pinkerton is an equal opportunity employer to all applicants and positions without regard to race/ethnicity, color, national origin, ancestry, sex/gender, gender identity/expression, sexual orientation, marital/prenatal status, pregnancy/childbirth or related conditions, religion, creed, age, disability, genetic information, veteran status, or any protected status by local, state, federal or country-specific law.