{"id":1767587,"url":"https://alion.io/job/ntt-zos-mainframe-systems-programmer","title":"z/OS Mainframe Systems Programmer","company":{"id":121,"name":"NTT","domain":"global.ntt","url":"https://alion.io/company/ntt","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Barcelona, Spain","Bucharest, Romania","Madrid, Spain","Ireland"],"countries":["ES","RO","IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":51000,"max_usd":138000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":243},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"SAS","optional":false},{"name":"SLI/SLO/SLA","optional":false},{"name":"Unix","optional":false}],"status":"live","first_seen_at":"2026-09-09T00:00:00Z","employer_posted_date":"2026-09-09","last_verified_at":"2026-10-08T20:38:12Z","board_verified":true,"closed_at":null,"days_open":30,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":30},"description":"Make an impact with NTT DATA\nJoin a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion - it’s a place where you can grow, belong and thrive.\nYour day at NTT DATA\nWe are seeking an experienced z/OS Mainframe Systems Programmer to join our enterprise infrastructure team. This role is responsible for the installation, upgrade, maintenance, and support of the IBM z/OS operating system and a broad range of ISV products, primarily from IBM and Computer Associates (CA/Broadcom).\nThe ideal candidate will possess deep technical expertise in z/OS Systems Programming, strong Parallel Sysplex administration skills, and extensive experience working within large-scale, mission-critical environments such as banking and financial services organizations. The successful candidate will be a self-starter who can work independently, troubleshoot complex technical issues, and contribute effectively from day one.\nThis position requires excellent communication skills, strong analytical thinking, collaboration with cross-functional teams, and participation in planned after-hours activities related to system upgrades, maintenance, and implementations.\nIn this role, You will\nInstall, configure, customize, upgrade, and maintain IBM z/OS operating systems.\nManage and support IBM and CA/Broadcom system software products across enterprise environments.\nPlan and execute operating system upgrades and software maintenance activities using SMP/E.\nAdminister and support large-scale Parallel Sysplex environments to ensure high availability and performance.\nPerform system performance monitoring, capacity planning, and resource optimization.\nAnalyse and resolve complex system-level issues involving z/OS, middleware, and infrastructure components.\nWork closely with application support, infrastructure, security, and operations teams to ensure platform stability.\nImplement software maintenance, fixes, service packs, and vendor-recommended updates.\nSupport disaster recovery, business continuity, and high-availability initiatives.\nMaintain system security controls and ensure compliance with organizational standards.\nCreate and maintain technical documentation, procedures, and operational runbooks.\nParticipate in root cause analysis and problem management activities.\nProvide technical guidance and mentoring to junior team members.\nSupport production implementations and planned maintenance activities, including off-hours and weekend work when required.\nRequired Qualifications\n10+ years of hands-on experience in z/OS Systems Programming.\nDeep knowledge of:z/OS Operating System\nSMP/E\nTSO/ISPF\nUNIX System Services (USS)\nSDSF\nJCL\nRACF\n\nStrong expertise in Parallel Sysplex implementation and support as well as Parallel Sysplex architecture and administration\nExtensive experience installing, configuring, customizing, supporting and maintaining multiple IBM and CA/Broadcom mainframe products.\nExperience working in large enterprise environments, preferably within Banking or Financial Services.\nStrong troubleshooting and problem-solving capabilities.\nAbility to independently manage complex technical assignments.\nExcellent verbal and written communication skills.\nExperience supporting mission-critical production environments with stringent SLA requirements.\nDesired Qualifications\nExperience with ACF2 Security Administration.\nKnowledge of GDPS (Geographically Dispersed Parallel Sysplex) environments.\nWorking knowledge of:Assembler\nREXX\nOMEGAMON\nRMF\nSMF\nSAS\n\nExperience with automation and operational tooling in mainframe environments.\nUnderstanding of disaster recovery and high-availability architectures.\nExposure to hybrid infrastructure environments and modernization initiatives.\nIndustry certifications related to IBM Z Platforms or Mainframe Systems Programming are desirable.\nJob Expectations\nDeliver stable, secure, and highly available mainframe infrastructure services.\nParticipate in change management, release management, and implementation activities.\nProvide on-call and after-hours support for critical production changes and incident resolution.\nEnsure adherence to enterprise security, compliance, and operational standards.\nCollaborate with global teams and stakeholders across infrastructure, applications, and business units.\nDrive continuous improvement initiatives focused on system reliability, performance, and automation.\nMaintain thorough documentation of system configurations, procedures, and technical implementations.\nDemonstrate ownership, accountability, and a proactive approach to issue resolution.\nAct as a trusted technical expert for z/OS platform services and system software products.\nPrimary Skillset\nz/OS\nSMP/E\nTSO/ISPF\nUSS (UNIX System Services)\nSDSF\nJCL\nRACF\nParallel Sysplex\nInstallation, customization, and support of IBM and CA/Broadcom products\nSecondary Skillset\nACF2\nGDPS\nRACF Administration\nAssembler\nREXX\nOMEGAMON\nRMF\nSMF\nSAS\nBenefits\nOur people are the most critical component of our long-term success and their health and wellbeing are our priority. You will enjoy a comprehensive, locally competitive benefits package.\nWorkplace type:\nAbout NTT DATA\nNTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune\nGlobal 100. We are committed to accelerating client success and positively impacting society through\nresponsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with\nunmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and\napplication services. Our consulting and industry solutions help organizations and society move\nconfidently and sustainably into the digital future. As a Global Top Employer, we have experts in more\nthan 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as\nestablished and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each\nyear in R&D.\nEqual Opportunity Employer\nNTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.\nThird parties fraudulently posing as NTT DATA recruiters\nNTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters whether in writing or by phone in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. If you suspect any fraudulent activity, please contact us.","description_format":"text","description_chars":7136,"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":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Information Technology","Internet Services","Systems Integrators"],"lifecycle":[{"event":"open","at":"2026-10-03T14:22:07Z"}],"visa":[],"liveness":{"score":41,"band":"fade","label":"Fading","p_open":1,"p_active":0.752,"p_room":0.55,"age_days":29,"expected_fill_days":28,"reasons":["conf:3","velocity","win:tail","comp:brand"],"computed_at":"2026-10-08T05:49:30Z"},"pay":null,"html_url":"https://alion.io/job/ntt-zos-mainframe-systems-programmer","json_url":"https://alion.io/job/ntt-zos-mainframe-systems-programmer.json","meta":{"generated_at":"2026-10-09T02:47:31Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1145,"day_limit":5000,"remaining_today":3855,"minute_limit":60,"resets_at":"2026-10-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":121},"rest":"https://alion.io/mcp/rest/get_company?id=121"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fntt-zos-mainframe-systems-programmer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fntt-zos-mainframe-systems-programmer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fntt-zos-mainframe-systems-programmer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/ntt-zos-mainframe-systems-programmer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fntt-zos-mainframe-systems-programmer"}]}