ManTech is seeking a motivated, career and customer-oriented **IBM Mainframe ZOS Programmer** **,** to join our team! This is a **remote** position. **Responsibilities include, but are not limited to:** + Knowledge Of Z/OS Operation, IPL Process and PARMLIB processing, JES2 Operation, JCL, z/OSMF, SMP/E, SMS, SMF, TSO, z/OS Security, z/OS Networking. + Updating existing or new operating systems software components. + Planning, testing and installation of operating system and vendor products patches or “bug fixes”. + System-wide performance tuning to meet required levels of service. + Development using Agile Scrum methodologies. + Knowledge of SAFe. **Minimum Qualifications:** + Two + years of relevant experience working with Java on an enterprise scale. + Experience in enterprise Planning, testing and installation of operating system and vendor products patches. + Modifies, installs and prepares technical documentation for system software applications. + Understanding and leverage common software architectural styles and patterns. **Preferred Qualifications:** + Bachelor’s degree (in Computer Science or related field) AND 2 or more years directly related experience. + Working knowledge of Assembler, REXX, RMF, DFSORT, IPCS/dump analysis, WLM, GRS, VSAM, RACF, VTAM, TCPIP, Pervasive Encryption. + Modifies, installs and prepares technical documentation for system software applications. + Development using Agile Scrum methodologies. + Knowledge of SAFe and Capacity Planning. **Clearance Requirements:** + Must have a current/active Secret clearance. **Physical Requirements:** + Must be able to be in a stationary position more than 50% of the time. + Must be able to communicate, converse, and exchange information with peers and senior personnel. + Constantly operates a computer and other office productivity machinery, such as a computer. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.