{"id":3201237,"url":"https://alion.io/job/intercontinental-exchange-senior-mainframe-developer","title":"Senior Mainframe Developer","company":{"id":58612,"name":"Intercontinental Exchange","domain":"ice.com","url":"https://alion.io/company/intercontinental-exchange","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Jibe","truth_index":{"grade":"B","score":80,"open_postings":37,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":9,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Jacksonville, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":76000,"max_usd":149000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":737},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CICS","optional":false},{"name":"COBOL","optional":false},{"name":"Java","optional":false},{"name":"JCL","optional":false},{"name":"Assembly","optional":true},{"name":"Claude Code","optional":true},{"name":"Db2","optional":true},{"name":"Microsoft Office","optional":true},{"name":"TSO/ISPF","optional":true},{"name":"VSAM","optional":true}],"status":"live","first_seen_at":"2026-10-02T18:12:00Z","employer_posted_date":"2026-10-24","last_verified_at":"2026-10-26T21:30:33Z","board_verified":true,"closed_at":null,"days_open":24,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":24},"description":"Job Purpose\nThe MSP development community is the heart of MSP Mortgage Technology. Our focus is to enhance, maintain, and support both internal and client-facing MSP functionality through efficiencies, and associated processes that drive improvements which grow, protect and preserve the integrity of MSP for our clients.\nThe Senior Software Engineer is a core contributor to the MSP development team, responsible for the design, development, and ongoing support of mainframe-based mortgage servicing solutions. This role leads technically on projects of appropriate scope, delivers quality COBOL/CICS solutions aligned with business requirements and architectural standards, and actively contributes to the growth and capability of the broader engineering team.\nResponsibilities\nInterpret, write new, and/or modify existing COBOL Batch and CICS programs timely and efficiently according to business requirements and documented standards\nFamiliarity with in-house source-code tools, development tools, development, testing, and implementation processes and procedures.\nAble to collaborate with peers, teams, and departments successfully and respectfully.\nAble to research, analyze, strategize, formulate, problem-solve, and implement coding solutions within expected timelines.\nServes as technical lead, architect, or principal developer on projects of appropriate scope and complexity.\nProvides and guides production support for in-production applications, including participation in the secondary on-call rotation.\nMentors and guides less experienced developers, contributing to team growth and knowledge transfer.\nParticipates in a secondary on-call schedule to support production operations outside of business hours.\nPerform other related duties as assigned.\nKnowledge and Experience\nBachelor’s degree in computer science, Information Systems, or the equivalent combination of education, training, or work experience.\n8+ years z/OS mainframe application development technologies such as Batch/CICS COBOL, JCL, IDz, ISPW, REXX, TSO; Java/Java plug-ins, Assembler, C* are a plus.\nExcellent analytical, decision-making, and problem-solving skills - ability to foresee problems, identify/implement solutions that are reliable, scalable, and efficient where applicable.\nExcellent leadership skills (defined as the ability to influence or induce others in a direction, course, action, or opinion to produce positive results for the organization or a client).\nAbility to communicate well with technical and non-technical audiences.\nKnowledge with AI-assisted development tools, particularly with Claude Code knowledge/ experience is considered a strong plus\nResults oriented, business focused, and successful at interfacing across multiple organizational units.\nSelf-motivated, proactive, and able to work independently with little guidance or formal training.\nAbility to identify opportunities to create, improve or enhance tools and processes to improve productivity and help minimize Production risk.\nPerforms well under pressure/time constraints.\nAdaptable, Approachable, able to give/take direction.\nContinual learner.\nMortgage/MSP knowledge and understanding of FM a plus.\nFamiliarity with FM/MSP production job flows and processes.\nTechnologies\nCOBOL for Z/OS, CICS, IDz, (C*, Assembler, JCL, REXX a plus).\nVSAM/DB2 file structures, ISPW source code/release management\nTSO/ISPF mainframe interfaces\nUtilities (IDCAMS, FILEAID, XPEDITER, QUIKJOB, LIBRARIAN, RDZ - Rational Suite)\nMS Office (WORD, EXCEL, PowerPoint, Visio)\n Intercontinental Exchange, Inc. is an Equal Opportunity Employer. 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