IBM z/VM Systems Administrator

DivIHN (pronounced "divine") is a CMMI ML3-certified Technology and Talent solutions firm. Driven by a unique Purpose, Culture, and Value Delivery Model, we enable meaningful connections between talented professionals and forward-thinking organizations. Since our formation in 2002, organizations across commercial and public sectors have been trusting us to help build their teams with exceptional temporary and permanent talent. Visit us at to learn more and view our open positions. Please apply or call one of us to learn more For further inquiries regarding the following opportunity, please contact our Talent Specialist. Abdul at (224) 507-1295 Job Title: IBM z/VM Systems Administrator Location: Remote (Initial 1 week, the candidate needs to be onsite in Springfield, IL, and then remote) Duration: 6 Months Job Description Position Summary Client is seeking an experienced IBM z/VM Systems Administrator to manage and maintain the State's mission-critical IBM mainframe virtualization infrastructure. This role is responsible for the installation, configuration, monitoring, and administration of IBM z/VM environments, ensuring system stability, performance, and security in support of statewide business applications and services. The ideal candidate will have deep expertise in z/VM systems management, virtualization, RACF security, and resource administration, with the ability to work independently and collaboratively on high-availability, enterprise-scale environments. Key Responsibilities System Administration Install, configure, and maintain IBM z/VM operating environments. Apply maintenance, service packs, and system upgrades. Monitor and manage z/VM system resources including CPU, memory, and I/O. User and Resource Management Administer virtual machine definitions, directory entries, and user access. Manage z/VM spool, minidisks, and shared resources. Maintain performance tuning and capacity planning documentation. Security and Compliance Implement and enforce RACF policies for z/VM directory and resource access. Configure and support secure networking with AT-TLS and SSL/TLS keyrings. Ensure compliance with SOC2, IRS Pub 1075, and other client security frameworks. Disaster Recovery and High Availability Participate in Disaster Recovery (DR) testing and system restoration planning. Develop and maintain z/VM recovery runbooks and operational procedures. Support and Collaboration Troubleshoot and resolve z/VM system issues, performance problems, and outages. Work with vendors (IBM, HPE, etc.) and internal DoIT teams for upgrades, migrations, and issue resolution. Provide documentation, training, and mentoring to junior staff and operations personnel. Qualifications Required: Bachelor's degree in computer science, Information Systems, or equivalent experience. Minimum 8 years of experience administering IBM z/VM environments. Strong knowledge of z/VM systems administration, user directory management, and virtualization concepts. Experience with RACF administration and security enforcement in a z/VM environment. Proven ability in system performance tuning, capacity management, and resource allocation. Experience supporting Disaster Recovery procedures and high-availability architecture. Preferred: Familiarity with LinuxONE environments and Linux guest management under z/VM. Experience with automation tools (REXX, Python, Ansible for z/VM/LinuxONE). Strong communication and documentation skills. Prior experience in government or other highly regulated environments. About us: DivIHN , the 'IT Asset Performance Services' organization, provides Professional Consulting, Custom Projects, and Professional Resource Augmentation services to clients in the Mid-West and beyond. The strategic characteristics of the organization are Standardization, Specialization, and Collaboration. DivIHN is an equal opportunity employer. DivIHN does not and shall not discriminate against any employee or qualified applicant on the basis of race, color, religion (creed), gender, gender expression, age, national origin (ancestry), disability, marital status, sexual orientation, or military status.

Created: 2025-09-23