Senior IBM z/TPF Developer

About The Role As a Senior IBM z/TPF Developer, you will make an impact by designing, developing, and supporting mission‑critical, high‑availability systems on IBM z/TPF platforms. You will be a valued member of a specialized engineering team and will work closely with architects, SMEs, and distributed teams to maintain and modernize legacy transaction‑processing environments. Cognizant will only consider applicants for this position who are legally authorized to work in the United States without requiring Visa transfer or sponsorship now or at any time in the future. In This Role, You Will Design, develop, and debug applications using IBM z/TPF, Assembler (BAL), and z/TPFDF macros Provide architectural and technical expertise for TPF communications and middleware integrations Work with messaging and communication protocols including EDIFACT, TTY, XML, JSON, and TCP/IP based integrations Troubleshoot complex production issues by recreating scenarios, performing root cause analysis, and delivering sustainable fixes Collaborate closely with triage teams, onshore architects, and offshore engineers Apply test driven development, execute unit test plans, and contribute across the SDLC Prepare, analyze, and review system and technical documentation Promote adherence to engineering standards and contribute to continuous process improvements Work model We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring a minimum of 2–3 days per week onsite at a Cognizant or client office in Atlanta. Regardless of your working arrangement, we are here to support a healthy work life balance through our wellbeing programs. The working arrangements for this role are accurate as of the date of posting and may change based on project, business, or client needs. We will always be clear about role expectations. What You Need To Have To Be Considered 10+ years of Strong hands-on experience with IBM z/TPF / TPF (ALCS) environments Proficiency with IBM (Assembler), z/TPFDF, and general service macros Experience using TPF Toolkit, TPF GI, and TPF test tools Solid understanding of z/TPF concepts, structures, and SPM Experience with legacy messaging and communication protocols (EDIFACT, TTY, MATIP, MQ, Host to Host) Knowledge of middleware communication, networking fundamentals, and TCP/IP protocols Comfort working in z/VM CMS environments Strong English communication skills and ability to serve as a technical point of contact These will help you stand out Working knowledge of Linux file systems and tools Experience with C/C++ on z/TPF or Linux platforms Exposure to hybrid cloud environments Familiarity with loosely coupled TPF images, VPARS, and IPL concepts Interest in modernizing legacy platforms while maintaining stability and performance Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent professional experience. Note: Certain roles may require candidates to attend in-person interviews at Cognizant offices or client locations, depending on project requirements. Salary And Other Compensation The annual salary for this position is depending on experience and other qualifications of the successful candidate. This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans. Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements: Medical/Dental/Vision/Life Insurance Paid holidays plus Paid Time Off 401(k) plan and contributions Long-term/Short-term Disability Paid Parental Leave Employee Stock Purchase Plan Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.