{"id":588,"date":"2025-11-12T14:24:18","date_gmt":"2025-11-12T14:24:18","guid":{"rendered":"https:\/\/skillbasedmatching.com\/jobs\/?post_type=jobpost&#038;p=588"},"modified":"2025-11-12T14:24:21","modified_gmt":"2025-11-12T14:24:21","slug":"ibm-z-vm-systems-administrator-mainframe-virtualization-racf-security","status":"publish","type":"jobpost","link":"https:\/\/skillbasedmatching.com\/jobs\/current-jobs\/ibm-z-vm-systems-administrator-mainframe-virtualization-racf-security\/","title":{"rendered":"IBM z\/VM Systems Administrator \u2013 Mainframe Virtualization &#038; RACF Security"},"content":{"rendered":"\n<p>DivIHN is seeking an experienced, senior-level <strong>IBM z\/VM Systems Administrator<\/strong> to manage and maintain a mission-critical IBM mainframe virtualization infrastructure for a state government client. This role is essential for ensuring the stability, performance, and security of systems supporting statewide business applications.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Location:<\/strong> <strong>Remote<\/strong> (Initial one week on-site in Springfield, IL, then remote with occasional travel).<\/li>\n\n\n\n<li><strong>Duration:<\/strong> 6 Months (Contract)<\/li>\n\n\n\n<li><strong>Experience:<\/strong> Minimum <strong>8 &#8211; 10 years<\/strong> of experience administering IBM z\/VM environments.<\/li>\n\n\n\n<li><strong>Focus:<\/strong> z\/VM installation, configuration, RACF security enforcement, and high-availability architecture.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Key Responsibilities: Enterprise Mainframe Administration<\/h3>\n\n\n\n<p>The administrator will be responsible for the full lifecycle management of the z\/VM environment, with a strong emphasis on security and disaster preparedness.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>System Maintenance:<\/strong> Install, configure, and maintain IBM <strong>z\/VM<\/strong> operating environments, including applying maintenance, service packs, and system upgrades.<\/li>\n\n\n\n<li><strong>Resource Management:<\/strong> Monitor and manage z\/VM system resources (CPU, memory, I\/O). Administer <strong>virtual machine definitions<\/strong>, directory entries, and user access. Maintain <strong>performance tuning<\/strong> and capacity planning documentation.<\/li>\n\n\n\n<li><strong>Security &amp; Compliance:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Implement and enforce <strong>RACF policies<\/strong> for z\/VM directory and resource access.<\/li>\n\n\n\n<li>Configure and support secure networking with <strong>AT-TLS and SSL\/TLS keyrings<\/strong>.<\/li>\n\n\n\n<li>Ensure compliance with strict security frameworks like <strong>SOC2 and IRS Pub 1075<\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Disaster Recovery (DR):<\/strong> Participate in <strong>DR testing<\/strong> and system restoration planning. Develop and maintain z\/VM recovery runbooks and operational procedures.<\/li>\n\n\n\n<li><strong>Support:<\/strong> Troubleshoot and resolve z\/VM system issues and work collaboratively with vendors (IBM, HPE) and internal teams. Provide documentation and <strong>mentoring to junior staff<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Required Qualifications: Deep z\/VM and Security Expertise<\/h3>\n\n\n\n<p>Success requires deep, hands-on experience in the z\/VM ecosystem, particularly in security administration for highly regulated environments.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Core Experience:<\/strong> <strong>Minimum 8 \u2013 10 years<\/strong> of experience administering IBM <strong>z\/VM<\/strong> environments.<\/li>\n\n\n\n<li><strong>z\/VM Knowledge:<\/strong> Strong knowledge of z\/VM systems administration, user directory management, and virtualization concepts.<\/li>\n\n\n\n<li><strong>Security:<\/strong> Extensive experience with <strong>RACF administration<\/strong> and security enforcement in a z\/VM environment.<\/li>\n\n\n\n<li><strong>Performance:<\/strong> Proven ability in system performance tuning, capacity management, and resource allocation.<\/li>\n\n\n\n<li><strong>DR:<\/strong> Experience supporting Disaster Recovery procedures and high-availability architecture.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Preferred Qualifications<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Familiarity with <strong>LinuxONE environments<\/strong> and Linux guest management under z\/VM.<\/li>\n\n\n\n<li>Experience with automation tools (<strong>REXX, Python, Ansible for z\/VM\/LinuxONE<\/strong>).<\/li>\n\n\n\n<li>Prior experience in <strong>government or other highly regulated environments<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><\/h3>\n","protected":false},"excerpt":{"rendered":"<p>DivIHN is seeking an experienced, senior-level IBM z\/VM Systems Administrator to manage and maintain a mission-critical IBM mainframe virtualization infrastructure for a state government client. This role is essential for ensuring the stability, performance, and security of systems supporting statewide business applications. Key Responsibilities: Enterprise Mainframe Administration The administrator will be responsible for the full [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","jobpost_category":[43,364],"jobpost_job_type":[39],"jobpost_location":[],"jobpost_tag":[1612,2766,2765,2767,2763,2491,81,2764,2605],"class_list":["post-588","jobpost","type-jobpost","status-publish","hentry","jobpost_category-it","jobpost_category-operations-management","jobpost_job_type-remote","jobpost_tag-disaster-recovery","jobpost_tag-ibm-z-vm","jobpost_tag-irs-pub-1075","jobpost_tag-linuxone","jobpost_tag-mainframe-systems-administrator","jobpost_tag-racf-security","jobpost_tag-remote","jobpost_tag-s-vm-virtualization","jobpost_tag-soc2-compliance"],"_links":{"self":[{"href":"https:\/\/skillbasedmatching.com\/jobs\/wp-json\/wp\/v2\/jobpost\/588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/skillbasedmatching.com\/jobs\/wp-json\/wp\/v2\/jobpost"}],"about":[{"href":"https:\/\/skillbasedmatching.com\/jobs\/wp-json\/wp\/v2\/types\/jobpost"}],"author":[{"embeddable":true,"href":"https:\/\/skillbasedmatching.com\/jobs\/wp-json\/wp\/v2\/users\/1"}],"wp:attachment":[{"href":"https:\/\/skillbasedmatching.com\/jobs\/wp-json\/wp\/v2\/media?parent=588"}],"wp:term":[{"taxonomy":"jobpost_category","embeddable":true,"href":"https:\/\/skillbasedmatching.com\/jobs\/wp-json\/wp\/v2\/jobpost_category?post=588"},{"taxonomy":"jobpost_job_type","embeddable":true,"href":"https:\/\/skillbasedmatching.com\/jobs\/wp-json\/wp\/v2\/jobpost_job_type?post=588"},{"taxonomy":"jobpost_location","embeddable":true,"href":"https:\/\/skillbasedmatching.com\/jobs\/wp-json\/wp\/v2\/jobpost_location?post=588"},{"taxonomy":"jobpost_tag","embeddable":true,"href":"https:\/\/skillbasedmatching.com\/jobs\/wp-json\/wp\/v2\/jobpost_tag?post=588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}