{"schemaVersion":"jobsearcher.job.v1","id":"43db8f99508b090d9ba46c60","url":"https://jobsearcher.com/jobs/43db8f99508b090d9ba46c60","canonicalUrl":"https://jobsearcher.com/jobs/43db8f99508b090d9ba46c60","title":"Mainframe Developer","description":"At Dataonez, we value innovation, hard work, and creativity in our employees. If you're looking for a company that values these qualities and provides a supportive work culture, we encourage you to apply. We offer competitive salaries, excellent health benefits, and a team of colleagues who will support you in your career journey.\n\nAs a Dataonez employee, you'll have the opportunity to work on some of the most pressing challenges facing government and industry. Whether you're just starting your career or looking for a new opportunity to advance, we have a range of roles that offer both challenges and rewards.\n\nWe believe that our employees are our greatest asset, and we are committed to creating a work environment that helps them succeed. If you're interested in joining our team, we encourage you to apply.\n\nMainframe Developer\nLocation: Ashburn, VA\nRoles & Responsibilities:\nAnalyze, define and document technical design for data, workflow, logical processes, interface with other systems\nDesign and code new application solutions; integrate changes to existing solutions\nDevelop and maintain solution documentation\nMaintain and monitor systems/applications after implementation\nDebug code and systems components\nTroubleshoot and resolve application/solution problems\nConduct research and analysis; make recommendations\nAnalyzing and organizing problems or work processes for technical solutions\nDesigning and deploying new, upgraded and/or existing systems\nSystems analysis, workflow, or procedural analysis\nTroubleshooting and resolving technical problems\n\nRequirements:\nBachelor's Degree in Information Technology, Computer Science or the equivalent combination of training, education, and experience\nExperience in working with all levels of staff, management, stakeholders, vendors\nWorking knowledge of application development including determining, developing, testing, and implementing system requirements; designing, coding, debugging applications\nEffective verbal and written communication skills\nMinimum 5 years experience with COBOL, DB2, Command-Level CICS, JCL, Batch and TSO/ISPF\nStrong technical coding skills with a proven track record of adherence to process\nFamiliarity with SDLC - Software Development Life Cycle\nDevelopment experience with IBM Mainframe\nDemonstrates an understanding of hospitality industry (big plus)","company":"Dataonez","rawCompany":"dataonez","city":"Ashburn","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-07-18T15:05:32.675Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"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":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Mainframe Developer","description":"At Dataonez, we value innovation, hard work, and creativity in our employees. If you're looking for a company that values these qualities and provides a supportive work culture, we encourage you to apply. We offer competitive salaries, excellent health benefits, and a team of colleagues who will support you in your career journey.\n\nAs a Dataonez employee, you'll have the opportunity to work on some of the most pressing challenges facing government and industry. Whether you're just starting your career or looking for a new opportunity to advance, we have a range of roles that offer both challenges and rewards.\n\nWe believe that our employees are our greatest asset, and we are committed to creating a work environment that helps them succeed. If you're interested in joining our team, we encourage you to apply.\n\nMainframe Developer\nLocation: Ashburn, VA\nRoles & Responsibilities:\nAnalyze, define and document technical design for data, workflow, logical processes, interface with other systems\nDesign and code new application solutions; integrate changes to existing solutions\nDevelop and maintain solution documentation\nMaintain and monitor systems/applications after implementation\nDebug code and systems components\nTroubleshoot and resolve application/solution problems\nConduct research and analysis; make recommendations\nAnalyzing and organizing problems or work processes for technical solutions\nDesigning and deploying new, upgraded and/or existing systems\nSystems analysis, workflow, or procedural analysis\nTroubleshooting and resolving technical problems\n\nRequirements:\nBachelor's Degree in Information Technology, Computer Science or the equivalent combination of training, education, and experience\nExperience in working with all levels of staff, management, stakeholders, vendors\nWorking knowledge of application development including determining, developing, testing, and implementing system requirements; designing, coding, debugging applications\nEffective verbal and written communication skills\nMinimum 5 years experience with COBOL, DB2, Command-Level CICS, JCL, Batch and TSO/ISPF\nStrong technical coding skills with a proven track record of adherence to process\nFamiliarity with SDLC - Software Development Life Cycle\nDevelopment experience with IBM Mainframe\nDemonstrates an understanding of hospitality industry (big plus)","datePosted":"2026-07-18T15:05:32.675Z","dateModified":"2026-07-18T15:05:32.675Z","hiringOrganization":{"@type":"Organization","name":"Dataonez","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Ashburn","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"43db8f99508b090d9ba46c60"},"url":"https://jobsearcher.com/jobs/43db8f99508b090d9ba46c60"}}