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A Great Place To Work where we look for people who contribute new ideas, experiencing a dynamic and growing environment. At Cognizant we promote an inclusive culture, where we value different perspectives providing career growth and development opportunities. #WelcomeToCognizant!\nQualifications:\nDemonstrate strong hands on expertise in CoolGen CA Gen ten CICS VSAM JCL DB2 and Cobol with a proven record of delivering stable and scalable mainframe applications.\nExhibit deep understanding of retail banking processes including accounts payments cards lending or channels enabling effective translation of domain needs into technical designs.\nApply solid experience in performance tuning batch optimization and transaction processing on mainframe platforms ensuring efficient resource utilization and predictable service levels.\nShow proficiency in analyzing complex incidents performing root cause analysis and implementing durable fixes for production issues in highly regulated banking environments.\nUtilize experience in collaborating with cross functional teams such as testing operations and business stakeholders to coordinate releases and maintain smooth day to day delivery.\nDisplay familiarity with hybrid work models and remote collaboration tools ensuring timely communication progress tracking and documentation regardless of working location.\nBring awareness of quality assurance practices configuration management and version control for mainframe codebases supporting structured delivery and audit readiness.\nADVANCED ENGLISH IS A MUST\nHybrid role in Guadalajara\nWhy Cognizant?\nImprove your career in one of the largest and fastest growing IT services providers worldwide\nReceive ongoing support and funding with training and development plans\nHave a highly competitive benefits and salary package\nGet the opportunity to work for leading global companies\nWe are committed to respecting human rights and build a better future by helping your minds and the environment\nWe invest in people and their wellbeing.\nWe create conditions for everyone to thrive. We do not discriminate based on race, religion, color, sex, age, disability, nationality, sexual orientation, gender identity or expression, or for any other reason covered.\nAt Cognizant we believe than our culture make us stronger!\nJoin us now!","description_format":"text","description_chars":2441,"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":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Hybrid work"],"hiring_locations":[{"name":"Mexico","iso":"MX","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","IT Outsourcing & Dedicated Teams","Engineering Services","Cloud Consulting & Migration"],"lifecycle":[{"event":"open","at":"2026-10-23T19:05:29Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":2,"expected_fill_days":21,"reasons":["conf:0","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-26T05:57:25Z"},"pay":null,"html_url":"https://alion.io/job/cognizant-mainframe-developer","json_url":"https://alion.io/job/cognizant-mainframe-developer.json","meta":{"generated_at":"2026-10-26T09:26:30Z","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":12757,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"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":85},"rest":"https://alion.io/mcp/rest/get_company?id=85"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcognizant-mainframe-developer"},{"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%2Fcognizant-mainframe-developer"},{"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%2Fcognizant-mainframe-developer"},{"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/cognizant-mainframe-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcognizant-mainframe-developer"}]}