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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior IBM z/TPF Developer - **Company:** Cognizant Technology Solutions Corporation - **Location:** Atlanta, GA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Unit Testing, C++ (Programming Language), Communications Protocols, Software Debugging, Linux, File Systems, UN Electronic Data Interchange for Administration Commerce and Transport, Middleware, JSON, Networking Basics, Systems Development Life Cycle, TCP/IP, Extensible Markup Language (XML), Test-Driven Development (TDD), HybridCloud, Information Technology, Ibm Z/vm - **Published:** September 10, 2026 - **Apply:** https://www.atlantacareerpath.com/job.asp?id=3387081769&tx=KK5353FFI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role 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. ## Description 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. ## Related Videos - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Unlocking the Power of the Mainframe: Developing modern applications on z/OS](https://www.wearedevelopers.com/videos/764-unlocking-the-power-of-the-mainframe-developing-modern-applications-on-z-os) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Dev Digest 162: AI careers, MCP, AWS best practices & floppy sweaters](https://www.wearedevelopers.com/magazine/571-dev-digest-162-ai-careers-mcp-aws-best-practices-floppy-sweaters) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)