{"id":1279278,"url":"https://alion.io/job/prodcon-tech-services-senior-zos-systems-administrator","title":"Senior z/OS Systems Administrator","company":{"id":3800761,"name":"Prodcon Tech Services","domain":"prodcon.com","url":"https://alion.io/company/prodcon-tech-services","size_band":null,"is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["India"],"countries":["IN"],"hiring_countries":["IN"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":17000,"max_usd":41000,"period":"year","method":"role_seniority_country_cell","sample_n":48},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Unix","optional":false}],"status":"live","first_seen_at":"2026-08-25T08:10:03Z","employer_posted_date":null,"last_verified_at":"2026-08-25T08:10:03Z","board_verified":false,"closed_at":null,"days_open":34,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":34},"description":"Position Overview:\n\nWe are seeking an experienced Senior z/OS Systems Administrator to support and maintain a large-scale IBM mainframe environment.\n\nThe ideal candidate will be a senior-level z/OS professional with deep hands-on expertise in SMP/E, REXX scripting, and z/OSMF, along with strong knowledge of z/OS systems administration, maintenance, upgrades, troubleshooting, and automation.\n\nThis position requires an individual who can work independently, troubleshoot complex mainframe system issues, perform system-level maintenance and upgrades, and develop automation to improve the reliability and efficiency of the z/OS environment.\n\nKey Responsibilities:\n\n- Install, configure, maintain, and support IBM z/OS operating systems and related system software.\n\n- Perform z/OS upgrades, maintenance, system modifications, and lifecycle management.\n\n- Provide advanced administration and troubleshooting of z/OS environments.\n\n- Use SMP/E (System Modification Program/Extended) extensively for installation, maintenance, upgrades, PTFs, APARs, HOLDDATA processing, and management of IBM and third-party software.\n\n- Analyze SMP/E environments, zones, CSI datasets, SYSMODs, and maintenance requirements.\n\n- Develop and maintain REXX scripts to automate z/OS administration, monitoring, reporting, maintenance, and operational processes.\n\n- Identify manual processes that can be improved through REXX-based automation.\n\n- Administer and support IBM z/OS Management Facility (z/OSMF).\n\n- Configure and maintain z/OSMF services, workflows, plugins, and system management functions.\n\n- Utilize z/OSMF for system management, configuration, monitoring, and automation.\n\n- Perform system problem determination, root-cause analysis, and resolution of complex z/OS issues.\n\n- Monitor system performance, availability, capacity, and overall system health.\n\n- Work with operations, application, storage, network, security, and database teams to resolve mainframe infrastructure issues.\n\n- Participate in system upgrades, migrations, disaster recovery testing, and infrastructure modernization initiatives.\n\n- Maintain system documentation, operating procedures, configuration standards, and technical runbooks.\n\n- Provide technical leadership and mentoring to other mainframe systems administrators.\n\n- Participate in production support and on-call activities as required.\n\nRequired Qualifications :\n\n- 10+ years of hands-on SMP/E experience in enterprise IBM z/OS environments.\n\n- 10+ years of hands-on REXX scripting experience, including development of automation for systems administration and operational tasks.\n\n- Strong hands-on experience with IBM z/OSMF (z/OS Management Facility).\n\n- Extensive experience administering and supporting IBM z/OS in large enterprise environments.\n\n- Strong knowledge of z/OS system architecture, configuration, maintenance, and troubleshooting.\n\n- Experience installing and maintaining IBM and third-party mainframe software.\n\n- Extensive experience applying PTFs, APARs, maintenance packages, and software upgrades using SMP/E.\n\n- Strong understanding of SMP/E CSI structures, zones, SYSMOD processing, HOLDDATA, RECEIVE, APPLY, ACCEPT, and RESTORE processes.\n\n- Strong knowledge of JCL, TSO/ISPF, UNIX System Services (USS), and z/OS utilities.\n\n- Ability to diagnose complex system problems using z/OS logs, dumps, system messages, and diagnostic tools.\n\n- Strong understanding of mainframe change-management and production-control processes.\n\n- Excellent analytical, troubleshooting, documentation, and communication skills.\n\n- Ability to work independently and take ownership of complex technical issues.\n\nPreferred Skills:\n\n- Experience with several of the following would be highly desirable:\n\n1. JES2\n\n2. RACF\n\n3. TCP/IP\n\n4. UNIX System Services (USS)\n\n5. HMC\n\n6. IBM System z / IBM Z hardware\n\n7. Parallel Sysplex\n\n8. Coupling Facility\n\n9. WLM\n\n10. RMF / SMF\n\n11. System Automation\n\n12. SDSF\n\n13. DFSMS\n\n14. Disaster Recovery / Business Continuity\n\n15. Mainframe monitoring and performance-management tools\n\n16. Automation using REXX, JCL, CLISTs, and other scripting technologies\n\nIdeal Candidate:\n\n- The successful candidate will be a senior-level z/OS systems professional who is comfortable taking ownership of a complex enterprise mainframe environment.\n\n- This individual should have particularly deep expertise in SMP/E and REXX, with at least 10 years of hands-on experience in each, and strong practical experience administering and utilizing z/OSMF.\n\n- The candidate should be capable of working with minimal supervision, leading complex system maintenance and upgrade activities, automating repetitive administrative functions, and serving as a technical escalation point for z/OS-related issues.\nSkills\nSystem Administration, z/OS, Mainframe, System Support, System Configuration, Workflows, System Migration, IT Disaster Recovery, JCL","description_format":"text","description_chars":4890,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"India","iso":"IN","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Infrastructure & Networking Services","IT Consulting & Digital Transformation","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-09-26T02:00:24Z"}],"liveness":{"score":19,"band":"cold","label":"Long shot","p_open":0.6,"p_active":0.577,"p_room":0.55,"age_days":33,"expected_fill_days":30,"reasons":["seen:33","velocity","win:tail"],"computed_at":"2026-09-28T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/prodcon-tech-services-senior-zos-systems-administrator","json_url":"https://alion.io/job/prodcon-tech-services-senior-zos-systems-administrator.json","meta":{"generated_at":"2026-09-29T02:14:53Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1875,"day_limit":5000,"remaining_today":3125,"minute_limit":60,"resets_at":"2026-09-30T00:00:00Z"}}}