{"id":3958752,"url":"https://alion.io/job/inetum-it-application-support-engineer-mainframe","title":"IT Application Support Engineer (Mainframe)","company":{"id":3561,"name":"Inetum","domain":"inetum.com","url":"https://alion.io/company/inetum","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":80,"open_postings":519,"ghost_share":0,"stale_share":0.815,"repost_share":0,"time_to_fill_p50_days":34,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lisbon, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CICS","optional":false},{"name":"COBOL","optional":false},{"name":"Db2","optional":false},{"name":"JCL","optional":false},{"name":"Oracle","optional":false},{"name":"SQL","optional":false},{"name":"Unix","optional":false}],"status":"live","first_seen_at":"2026-11-09T10:14:54Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-10T01:36:23Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Inetum is a global leader in IT services, dedicated to delivering innovative solutions to our clients. We are committed to fostering a dynamic, inclusive, and diverse work environment where creativity and collaboration thrive. Present in 19 countries, we are a team of more than 28,000 professionals worldwide.\n We are looking for an experienced IT Application Support Engineer to join our team, ensuring the stability, performance, and continuous improvement of critical applications within a banking environment.\nThis role is focused on production support, monitoring, maintenance, release management, and technical application support in a Mainframe ecosystem.\nThe ideal candidate will bring strong analytical skills, a proactive mindset, and previous experience working in complex production environments.\nYou will play a key role in ensuring service stability, incident resolution, application monitoring, release coordination, and continuous improvement of operational processes.\nKey Responsibilities\nProduction Support & Monitoring\nProvide technical and functional support for critical business applications.\nMonitor batch processing activities and application workflows.\nEnsure the smooth operation of production and non-production environments.\nInvestigate and resolve technical incidents and production issues.\nPerform root cause analysis and implement preventive actions.\nMonitor technical and functional application performance, ensuring optimal user experience.\nRecover files and manage data restoration activities when required.\nEnvironment & Infrastructure Management\nManage the opening and closing of UAT environments.\nExecute scripts and environment parameterization requests.\nPerform data refresh activities, including database copy and masking from Production to UAT environments.\nSupport application integrations and operational processes.\nRelease & Deployment Management\nCoordinate application releases across multiple environments.\nCompile, package, and deploy software releases.\nPrepare and coordinate production migrations with Planning, DBA, and Production teams.\nMaintain non-regression environments and ensure alignment across environments.\nPrepare GUI packages and deployment artifacts.\nContinuous Improvement\nDevelop and maintain operational documentation and procedures.\nAutomate repetitive tasks and improve monitoring capabilities.\nContribute to service reliability and operational excellence initiatives.\nSupport change management activities and functional enhancement requests.\n Required Qualifications\nBachelor's Degree in Computer Science, Information Technology, Engineering, or a related field.\n6+ years of professional experience in Application Support, Production Support, IT Operations, or a similar role.\nPrevious experience supporting applications in complex enterprise environments.\nStrong analytical and troubleshooting skills.\nAbility to understand business requirements and translate them into technical solutions.\nExperience with SDLC methodologies and software lifecycle management.\nExperience creating technical documentation, operational procedures, and process flows.\nExcellent communication skills and ability to work within international teams.\nFluent English (written and spoken).\nMandatory Technical Skills\nIBM Mainframe (z/OS)\nTSO\nCOBOL\nCICS\nJCL\nDB2\nSQL\nOPC Scheduler\nUnix Shell Scripting\nOracle SQL\nFile Transfer Technologies (FTP, SFTP, MQ, CFT)","description_format":"text","description_chars":3404,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Portugal","iso":"PT","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Managed IT Services (MSP)","Systems Integrators"],"lifecycle":[{"event":"open","at":"2026-11-09T10:24:26Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring 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