{"schemaVersion":"jobsearcher.job.v1","id":"f544823accd04d6c2cb41a3c","url":"https://jobsearcher.com/jobs/f544823accd04d6c2cb41a3c","canonicalUrl":"https://jobsearcher.com/jobs/f544823accd04d6c2cb41a3c","title":"Mainframe Engineer","description":"Senior Mainframe Infrastructure EngineerFreddie Mac has an exciting opportunity for a senior mainframe infrastructure engineer to add to our existing team. The team is accountable for managing work efforts for the z/os infrastructure, hardware, software, monitoring and coordinating across business, application teams, and the managed services vendor.\r\nYour Impact:\r\nIdentifies technical risks to planned system upgrades and works toward identifying and implementing mitigations to those risks.\r\nReviews completion and implementation of system upgrades and/or enhancements and makes recommendations to management on opportunities for improvement.\r\nIdentifies, analyzes, and resolves system problems.\r\nQualifications:\r\n5+ years of hands on experience in mainframe infrastructure engineering\r\nKnowledge of z/OS architectures and z/OS internals\r\nKnowledge of the zSecure tool and its is own language, Carla, for customization a plus\r\nKnowledge of mainframe security related to pervasive encryption a plus\r\nKnowledge of mainframe security related to supporting audits & findings – in reference to BSCs, key managements a plus\r\nKnowledge of IBM Mainframe System - JCL, CICS, SQL, z/OS, DB2, IMS, VSAM, XML, TSO/ISPF.\r\nKeys to Success in this Role:\r\nProactive and ability to think creatively and execute in a manner that respects and meets appropriate internal controls.\r\nVery strong attention to detail, ability to execute process, and follow through on tasks, with significant organizational, project and program management skills.\r\nExcellent communications skills, including comfort interacting with internal management and external stakeholders.","company":"Software Technology","rawCompany":"software technology","city":"McLean","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-08-09T01:25:09.755Z","occupations":[{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541513","title":"Computer Facilities Management Services","slug":"computer-facilities-management-services"},{"code":"518210","title":"Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services","slug":"computing-infrastructure-providers-data-processing-web-hosting-and-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Mainframe Engineer","description":"Senior Mainframe Infrastructure EngineerFreddie Mac has an exciting opportunity for a senior mainframe infrastructure engineer to add to our existing team. The team is accountable for managing work efforts for the z/os infrastructure, hardware, software, monitoring and coordinating across business, application teams, and the managed services vendor.\r\nYour Impact:\r\nIdentifies technical risks to planned system upgrades and works toward identifying and implementing mitigations to those risks.\r\nReviews completion and implementation of system upgrades and/or enhancements and makes recommendations to management on opportunities for improvement.\r\nIdentifies, analyzes, and resolves system problems.\r\nQualifications:\r\n5+ years of hands on experience in mainframe infrastructure engineering\r\nKnowledge of z/OS architectures and z/OS internals\r\nKnowledge of the zSecure tool and its is own language, Carla, for customization a plus\r\nKnowledge of mainframe security related to pervasive encryption a plus\r\nKnowledge of mainframe security related to supporting audits & findings – in reference to BSCs, key managements a plus\r\nKnowledge of IBM Mainframe System - JCL, CICS, SQL, z/OS, DB2, IMS, VSAM, XML, TSO/ISPF.\r\nKeys to Success in this Role:\r\nProactive and ability to think creatively and execute in a manner that respects and meets appropriate internal controls.\r\nVery strong attention to detail, ability to execute process, and follow through on tasks, with significant organizational, project and program management skills.\r\nExcellent communications skills, including comfort interacting with internal management and external stakeholders.","datePosted":"2026-08-09T01:25:09.755Z","dateModified":"2026-08-09T01:25:09.755Z","hiringOrganization":{"@type":"Organization","name":"Software Technology","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"McLean","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"f544823accd04d6c2cb41a3c"},"url":"https://jobsearcher.com/jobs/f544823accd04d6c2cb41a3c"}}