{"id":3960532,"url":"https://alion.io/job/hays-mainframe-software-engineer","title":"Mainframe Software Engineer","company":{"id":4412979,"name":"Hays","domain":"hays.be","url":"https://alion.io/company/hays-5","size_band":"51-200","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":null,"employment_type":"freelance","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Berchem, Belgium"],"countries":["BE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Agile","optional":false},{"name":"AI Agents","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"CICS","optional":false},{"name":"JCL","optional":false},{"name":"VSAM","optional":false},{"name":"COBOL","optional":true}],"status":"live","first_seen_at":"2026-11-09T11:23:37Z","employer_posted_date":null,"last_verified_at":"2026-11-09T11:23:37Z","board_verified":false,"closed_at":null,"days_open":1,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":1},"description":"Hays - Mainframe Software Engineer\nBerchem \n\nHays België is een van de marktleiders binnen rekrutering & selectie, voor het rekruteren van gekwalificeerde en getalenteerde professionals op tijdelijke of permanente basis, of via contracting/freelance rekrutering. \n\nVoor een klant binnen de verzekeringssector zijn we op zoek naar een ervaren Mainframe Software Engineer.\n\nJe komt terecht in een Agile Mainframe-team en werkt aan applicaties voor het beheer van verzekeringspolissen, claims en financiële processen.\n\nWat ga je doen?\n\nTechnische analyses uitvoeren en requirements vertalen naar oplossingen\n\nOntwikkelen en onderhouden van applicaties in Cobol op IBM z/OS Mainframe\n\nComponent testing en bug fixing\n\nBestaande technische componenten hergebruiken en verbeteren\n\nTechnische documentatie voorzien\n\nOccasionele tweede- en derdelijnssupport\n\nActief samenwerken binnen een Agile team\n\nWat zoeken we?\n\nMinimaal 5 jaar ervaring met Cobol-programmering\n\nSterke ervaring met IBM Mainframe\n\nErvaring met:\n\nCICS\n\nVSAM\n\nBatch\n\nJCL\n\nSDSF\n\nRDZ is een plus\n\nKennis van verzekeringen is noodzakelijk\n\nHands-on, analytisch en oplossingsgericht\n\nErvaring met of interesse in agentic coding is een plus\n\nTalen:\n\nNederlands: zeer goed\n\nEngels: zeer goed\n\nPraktisch\n\nSenior niveau\n\nStart: ASAP\n\nDuur: minimaal 1 jaar\n\nHybride: minimaal 2 dagen per week onsite\n\nEigen laptop/toestel vereist\n\nhays.be\n\n Hays - Mainframe Software Engineer\n Hays\n\n Apply \n\n Similar offers\n\n IT-Planet - Software Engineer Mainframe (Cobol)\n Antwerp - VSAM, JCL, SDSF, verzekeringssector\n\n Recurv - C# .NET Software Developer\n Geel - CI/CD, firmware \n\n Randstad Digital - Software Engineer (Cobol / B2B)\n Mechelen - RedHat, XML, Acucobol 85, Easymap\n\n AGFA HealthCare - Software Engineer .NET\n Mortsel - Web API, Visual Studio, AI\n\n Similar job postings based on the criteria : \n Application / Software Architect Back-end Developer Cobol CICS Mainframe Middleware Agile \n\n ictjob.be\n\n Who are we?\n\n Sitemap\n\n Terms of Use\n\n Privacy Statement\n\n Partners\n\n Contact us\n\n Candidates\n\n Browse jobs\n\n Create your CV\n\n Create Job Alert\n\n Search jobs by company\n\n Find an IT training\n\n Recruiters\n\n Post a job\n\n CV search\n\n Create an IT internship posting\n\n Ask for a custom quote\n\n ictjob.be\n\n ictjob.lu\n\n Contact\n\n Legal notices","description_format":"text","description_chars":2291,"description_truncated":false,"requirements":{"experience_years_min":null,"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":[],"lifecycle":[{"event":"open","at":"2026-11-09T11:23:37Z"}],"visa":[],"liveness":{"score":52,"band":"ok","label":"Likely open","p_open":1,"p_active":0.516,"p_room":1,"age_days":0,"expected_fill_days":30,"reasons":["seen:0","agency","win:early"],"computed_at":"2026-11-10T06:52:35Z"},"pay":null,"html_url":"https://alion.io/job/hays-mainframe-software-engineer","json_url":"https://alion.io/job/hays-mainframe-software-engineer.json","meta":{"generated_at":"2026-11-11T02:36:55Z","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_verified","counted_by":"address","units_charged":1,"used_today":905,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":4412979},"rest":"https://alion.io/mcp/rest/get_company?id=4412979"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fhays-mainframe-software-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fhays-mainframe-software-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fhays-mainframe-software-engineer"},{"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/hays-mainframe-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fhays-mainframe-software-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3960532}},{"tool":"search_jobs","arguments":{"company":"hays.be","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3960532},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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