z/OS Mainframe Programmer

Lumen Dynamics is seeking a remote z/OS Mainframe Programmer to support a long standing federal government project. The candidate will be responsible for designing and implementing dynamic solutions. Lumen Dynamics has been recognized by Inc. Magazine as a fastest-growing private US small business. We work with U.S. government customers in health, civilian, and national security missions. Lumen Dynamics offers competitive compensation with opportunities for bonuses, employer paid health care, training and development funds, and 401k match. Responsibilities include (but not limited to): Develop, maintain, and enhance legacy mainframe applications that support IRS tax processing, compliance, and data management systems. Write, test, and troubleshoot programs using Assembler , JCL , and related IBM z/OS utilities. Monitor and manage batch jobs through SDSF and other system tools, ensuring timely and accurate processing. Debug and resolve production issues , performing root-cause analysis and ensuring system stability. Manage code changes and version control using Endevor in compliance with IRS change management procedures. Transfer and integrate data across systems using FTP/SFTP and other mainframe file management tools. Collaborate with business and technical teams to analyze requirements, design solutions, and implement enhancements. Document system specifications, program logic, and procedures to support maintenance and knowledge transfer. Ensure compliance with IRS security and data integrity standards , participating in audits and reviews as needed. Contribute to modernization efforts , supporting integration of legacy systems with emerging technologies and improving overall system performance. Basic Qualifications: 5+ years of experience with Assembler Language programming and JCL Experience with IBM z/OS, TSO/ISPF, SDSF, Endevor, and FTP/SFTP/Mainframe File Transfers Strong debugging and troubleshooting skills using tools like IBM Debug Tool, FILE Manager, and SDSF Understanding of QSAM access methods Must be a US Citizen and have active IRS MBI Clearance Preferred Qualifications: Knowledge of Tax Processing Systems Experience with SSA, SSAE, SSAF, or IDRS systems (specific IRS applications) About ANALYTICA: Lumen Dynamics is a leading consulting and information technology solutions provider to public sector organizations supporting health, civilian, and national security missions. The company is an award winning SBA 8(a) small business that has been recognized by Inc. Magazine each of the past three years as one of the 250 fastest-growing companies in the U.S. Lumen Dynamics specializes in providing software and systems engineering, information management, analytics & visualization, agile project management, and management consulting services. The company is appraised by the Software Engineering Institute (SEI) at CMMI® Maturity Level 3 and is an ISO 9001:2008 certified provider. Lumen Dynamics LLC is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all individuals, regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or any other characteristic protected by applicable federal, state, or local law. As a federal contractor, we comply with the Vietnam Era Veterans' Readjustment Assistance Act (VEVRAA) and take affirmative action to employ and advance in employment qualified protected veterans. We ensure that all employment decisions are based on merit, qualifications, and business needs. We prohibit discrimination and harassment of any kind. Lumen Dynamics LLC also provides reasonable accommodations to applicants and employees with disabilities, in accordance with applicable law. To enhance efficiency, fairness, and accuracy, Lumen Dynamics may use AI-assisted tools to support certain aspects of our hiring process. Application Review: AI tools may help identify skills and experiences relevant to the role. Interview Support: AI-powered notetaking tools may be used during interviews to document discussions and summarize key points. These tools are used to assist our team. All hiring decisions are made by Lumen Dynamics recruiters and hiring managers. By submitting an application, you acknowledge that AI-assisted tools may be used to support parts of the application and interview process. When receiving email communication from Lumen Dynamics, please ensure that the email domain is analytica.net to verify its authenticity.