Senior IBM z/TPF Developer for Mission-Critical Systems

Cognizant; Atlanta (GA); Hybrid; USD 110,000 - 170,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Paid Holidays

Paid Time Off

401(k) Plan

Disability Insurance

Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant is seeking a Senior IBM z/TPF Developer to design, develop, and support mission-critical, high-availability systems on IBM z/TPF platforms in a hybrid Atlanta setting.

You will collaborate with architects, SMEs, and distributed teams, applying TPF tools and industry-standard protocols, while driving root-cause analysis and sustainable fixes across the SDLC. Strong English communication is essential for technical leadership.

Qualifications

• 10+ years 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.

Responsibilities

• 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.

Skills

IBM z/TPF

Assembler BAL

z/TPFDF

TPF Toolkit

EDIFACT

MQ

TCP/IP

z/VM CMS

English Communication

Education

Bachelor’s degree in CS/IT/Engineering

Tools

TPF GI

TPF Test Tools

Job description

Cognizant is seeking a Senior IBM z/TPF Developer to design, develop, and support mission-critical, high-availability systems on IBM z/TPF platforms in a hybrid Atlanta setting.

You will collaborate with architects, SMEs, and distributed teams, applying TPF tools and industry-standard protocols, while driving root-cause analysis and sustainable fixes across the SDLC. Strong English communication is essential for technical leadership.