{"schemaVersion":"jobsearcher.job.v1","id":"62aacbffeff4c7cc5035cddb","url":"https://jobsearcher.com/jobs/62aacbffeff4c7cc5035cddb","canonicalUrl":"https://jobsearcher.com/jobs/62aacbffeff4c7cc5035cddb","title":"Mainframe Developer","description":"Diversified Services Network, Inc. (DSN) is seeking a full-time Mainframe Developer to join our team in Peoria, IL! We offer full benefits, PTO, 401k, and more! If you're looking to grow your technical career within an extremely reputable, stable Fortune 500 company - let's talk!\nJOB RESPONSIBILITIES:\n· Manage multiple critical Mainframe applications.\n· Assist the team members to support incidents and changes.\n· Investigate how jobs work and to understand business logic embedded in these applications to find incident root cause.\n· Provide inputs/guidance to other teams to solve incidents.\n· Manage many modernization projects by migrating Mainframe application to modern solution.\n· Assist team members in future modernization projects efforts.\n· Coordinate changes to computer databases, test, and implement the database applying knowledge of database management systems.\nEDUCATION & EXPERIENCE REQUIRED:\n· Associate's degree in computer programming or related field with 8 years’ experience.\n· Bachelor’s degree with 5- 7 years’ experience.\n· 5+ years’ hands-on experience with COBOL programming on IBM z/OS.\nREQUIRED SKILLS:\n· Proficiency in JCL, VSAM, DB2, IMS, and CICS.\n· $AVRS experience.\n· ACF2 rules experience.\n· Sequential files (naming scheme) experience.\n· OPC (scheduling) experience.\nDESIRED SKILLS:\n· Experience in mainframe migration projects or modernization initiatives.\n· Prior experience with ServiceNow.\nSOFT SKILLS REQUIRED:\n· Good communication and interpersonal skills.\n· End user knowledge in IBM mainframe and/or any ERP.\n· Strong initiative and the ability to learn quickly.\n· Good team skills and positivity for working in a cooperative and diverse team environment.\n· Ability to work in a team environment.\nBenefits:\n· 401(k)\n· Dental insurance\n· Vision Insurance\n· Disability insurance\n· Employee assistance program\n· Health insurance\n· Health savings account\n· Life insurance\n· Paid time off\n· Paid Holidays\nPlease follow the link to our website for a list of job openings in Engineering, IT, Project Management, and more! https://www.dsnworldwide.com\nJob Type: Full-time\nPay: $93,000.00 - $106,000.00 per year\nBenefits:\nHealth savings account\nPaid time off\nVision insurance\nSchedule:\n8 hour shift\nDay shift\nMonday to Friday\nWork Location: In person","company":"Diversifiedservicesnetwork","rawCompany":"diversifiedservicesnetwork","city":"West Peoria","state":"IL","isRemote":false,"isActive":false,"createdAt":"2026-08-04T15:14:39.995Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Mainframe Developer","description":"Diversified Services Network, Inc. (DSN) is seeking a full-time Mainframe Developer to join our team in Peoria, IL! We offer full benefits, PTO, 401k, and more! If you're looking to grow your technical career within an extremely reputable, stable Fortune 500 company - let's talk!\nJOB RESPONSIBILITIES:\n· Manage multiple critical Mainframe applications.\n· Assist the team members to support incidents and changes.\n· Investigate how jobs work and to understand business logic embedded in these applications to find incident root cause.\n· Provide inputs/guidance to other teams to solve incidents.\n· Manage many modernization projects by migrating Mainframe application to modern solution.\n· Assist team members in future modernization projects efforts.\n· Coordinate changes to computer databases, test, and implement the database applying knowledge of database management systems.\nEDUCATION & EXPERIENCE REQUIRED:\n· Associate's degree in computer programming or related field with 8 years’ experience.\n· Bachelor’s degree with 5- 7 years’ experience.\n· 5+ years’ hands-on experience with COBOL programming on IBM z/OS.\nREQUIRED SKILLS:\n· Proficiency in JCL, VSAM, DB2, IMS, and CICS.\n· $AVRS experience.\n· ACF2 rules experience.\n· Sequential files (naming scheme) experience.\n· OPC (scheduling) experience.\nDESIRED SKILLS:\n· Experience in mainframe migration projects or modernization initiatives.\n· Prior experience with ServiceNow.\nSOFT SKILLS REQUIRED:\n· Good communication and interpersonal skills.\n· End user knowledge in IBM mainframe and/or any ERP.\n· Strong initiative and the ability to learn quickly.\n· Good team skills and positivity for working in a cooperative and diverse team environment.\n· Ability to work in a team environment.\nBenefits:\n· 401(k)\n· Dental insurance\n· Vision Insurance\n· Disability insurance\n· Employee assistance program\n· Health insurance\n· Health savings account\n· Life insurance\n· Paid time off\n· Paid Holidays\nPlease follow the link to our website for a list of job openings in Engineering, IT, Project Management, and more! https://www.dsnworldwide.com\nJob Type: Full-time\nPay: $93,000.00 - $106,000.00 per year\nBenefits:\nHealth savings account\nPaid time off\nVision insurance\nSchedule:\n8 hour shift\nDay shift\nMonday to Friday\nWork Location: In person","datePosted":"2026-08-04T15:14:39.995Z","dateModified":"2026-08-04T15:14:39.995Z","hiringOrganization":{"@type":"Organization","name":"Diversifiedservicesnetwork","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"West Peoria","addressRegion":"IL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"62aacbffeff4c7cc5035cddb"},"url":"https://jobsearcher.com/jobs/62aacbffeff4c7cc5035cddb"}}