Search Jobs | Dice.com

2 results (2 new)

Group by company

zTPF Developer

Lumen Solutions Group Inc.

Remote • Today

Easy Apply

Contract

Depends on Experience

Mainframe zTPF Developer Senior

Idexcel Inc.

Remote • Today

Easy Apply

Third Party, Contract

$50+

Job Details

Skills

Z/TPF
ZTPF
IBM TPF
TPF
HLASM
ASSEMBLER
ASM
HIGH LEVEL ASSEMBLER
DEVELOPER
PROGRAMMER
ENGINEER

Summary

Company Description 
Lumen Solutions Group Inc. is a technology consulting Services company based in Florida. We provide a wide array of experienced business and IT professionals supporting clients from solution design to implementation and support. We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, and Enterprise Transformation. 
 
Role: zTPF Developer
Location: Washington – DC (Remote)
Job Type: Contract

The IBM z/TPF Developer is responsible for designing, developing, maintaining, and supporting mission-critical z/TPF applications using HLASM/Assembler. This role focuses on complex debugging, production issue resolution, root-cause analysis, and performance optimization across high-volume inventory, reservation, availability, ticketing, and transaction-processing systems.
You will work extensively with the IBM z/TPF Toolkit, ECB processing, TPFDF, assembler macros, dump analysis, and transaction flows, while implementing safe production fixes and supporting releases. The role also involves collaborating with technical teams and stakeholders to maintain reliable, high-availability z/TPF applications.

Key Responsibilities

Design, develop, maintain, and support complex IBM z/TPF applications written in High-Level Assembler HLASM or ASM.
Troubleshoot and resolve complex production issues involving multiple assembler modules, macros, utilities, services, and transaction-processing flows.
Perform detailed root-cause analysis involving inventory, availability, reservation, ticketing, and related transaction-processing systems.
Use the IBM z/TPF Toolkit, debugger, dump analysis, and diagnostic utilities to investigate application behavior.
Debug Entry Control Block processing, including ECB work areas, registers, storage management, control blocks, masks, flags, and transaction execution flows.
Analyze and maintain TPFDF record structures, ordinals, file retrieval and update logic, chain records, and database access paths.
Examine multiple processing paths to identify functional differences within complex assembler-based business logic.
Analyze assembler macros and trace the underlying execution paths created through macro expansion.
Conduct impact assessments and implement safe, reliable fixes within mission-critical production environments.
Review code and provide technical guidance to developers and other team members.
Collaborate with architects, business analysts, developers, and stakeholders to translate requirements into effective technical solutions.
Create and maintain technical documentation, design specifications, debugging findings, and root-cause analysis reports.
Support testing, deployments, production releases, and post-implementation validation.

Required Qualifications

Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related field, or equivalent practical experience.
Eight or more years of hands-on IBM z/TPF application-development experience.
Eight or more years of High-Level Assembler HLASM or ASM programming experience.
Advanced experience developing, maintaining, and supporting enterprise transaction-processing applications in a z/TPF environment.
Expert-level ability to debug and troubleshoot complex assembler applications.
Hands-on experience with the IBM z/TPF Toolkit, debugger, dump analysis, and related diagnostic utilities.
Strong knowledge of ECB processing, ECB work areas, registers, storage management, and transaction execution flows.
Strong experience analyzing assembler macros and tracing generated execution paths.
Demonstrated ability to perform root-cause analysis across multiple assembler modules, utilities, services, and processing paths.
Experience resolving complex production issues in high-availability, mission-critical environments.
Strong knowledge of inventory, reservation, availability, ticketing, transportation, airline, railroad, or comparable transaction-processing applications.
Strong understanding of z/TPF transaction-processing architecture and system internals.
Experience analyzing application performance and implementing production-safe solutions.
Experience with source-control and change-management tools such as Git and Jira.
Experience supporting production deployments, releases, and post-implementation validation.
Strong analytical, troubleshooting, communication, and collaboration skills.
Ability to independently investigate and resolve issues spanning multiple assembler modules and processing paths.
Experience working in an Agile or Scrum development environment.

Preferred Qualifications

Experience supporting transportation, railroad, airline, logistics, reservation, inventory, availability, or ticketing platforms.
Knowledge of z/OS, TSO/ISPF, JCL, and related mainframe-development tools.
Advanced experience with z/TPF dump analysis, debugging utilities, and performance-analysis tools.
Experience with TPFDF record structures, ordinals, file addressing, and chain-record processing.
Working knowledge of C programming and C/Assembler integration within a z/TPF environment.
Experience analyzing or modernizing large legacy assembler codebases.
Experience designing, troubleshooting, and optimizing high-volume transaction-processing applications.

Lumen Solutions Group Inc is an equal opportunity employer. All qualified applicants will be considered for employment without regard to any legally protected status

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10483685
Position Id: 26-00811
Posted 2 hours ago

Fitment

Dice Job Match Score™

To see how well you match this job, please log in or create an account.

Once logged in, be sure to complete your profile to get the most accurate match score.

Create job alert

Never miss an opportunity! Create an alert based on the job you applied for.

Similar Jobs

Mainframe zTPF Developer Senior

Remote

•

Today

Job Title: Mainframe zTPF Developer SeniorLocation: Quarterly travel required for PI Planning (Washington, D.C. or Wilmington, DE) (Need Local to NEC candidates only)Duration: 12 Months Essential Duties & Responsibilities:Design, develop, maintain, and support complex IBM z/TPF applications written in High-Level Assembler (HLASM/ASM).Analyze, debug, and resolve complex production issues across multiple assembler modules, macros, utilities, and transaction-processing flows.Perform deep root-caus

Easy Apply

Third Party, Contract

$50+

z/OS Programmer

Remote

•

11d ago

Role: Z/OS System Programmer Location: Remote Type: 12+Months Contract Job Description: Perform standard system programming activities like configuration, installation & maintenance using SMP/E, and vendor software installations in the mainframe environment. Perform Operating System upgrade and RSU maintenance via z/OSMF Workflow.Advanced System Management: Architect, install, and configure highly complex z/OS environments and third-party software.Support Software Standardization and new Feature

Easy Apply

Contract

Depends on Experience

Mainframe Systems Programmer

Remote or Bellevue, Washington

•

Today

Description Robert Half is seeking a Senior COBOL Mainframe Developer with AWS experience to support an established insurance and financial services organization. This role focuses on building APIs and integration layers to expose data from legacy mainframe systems, while supporting ongoing maintenance (KTLO) and new capability development. If you feel this aligns with your background, apply today! Schedule: Core availability 9:00 AM - 3:00 PM PST Duration: 6-month contract, likely to extend

Easy Apply

Contract

USD 60.00 - 65.00 per hour

Mainframe Print Systems Specialist / z/OS Print Systems Engineer (Only W2 )

Remote

•

Today

Job TitleMainframe Print Systems Specialist / z/OS Print Systems Engineer Job DescriptionWe are looking for a Mainframe Print Systems Specialist with strong expertise in IBM z/OS, Infoprint Server (IPS), mainframe printing, and print infrastructure. The candidate will be responsible for supporting, maintaining, troubleshooting, and potentially migrating enterprise mainframe print environments. < dir="auto" data-start="422" data-end="465">Key Responsibilities & Required SkillsVery strong knowledg

Easy Apply

Contract

Depends on Experience

Job Details

Skills

Z/TPF
ZTPF
IBM TPF
TPF
HLASM
ASSEMBLER
ASM
HIGH LEVEL ASSEMBLER
DEVELOPER
PROGRAMMER
ENGINEER

Summary

Design, develop, maintain, and support complex IBM z/TPF applications written in High-Level Assembler HLASM or ASM.
Troubleshoot and resolve complex production issues involving multiple assembler modules, macros, utilities, services, and transaction-processing flows.
Perform detailed root-cause analysis involving inventory, availability, reservation, ticketing, and related transaction-processing systems.
Use the IBM z/TPF Toolkit, debugger, dump analysis, and diagnostic utilities to investigate application behavior.
Debug Entry Control Block processing, including ECB work areas, registers, storage management, control blocks, masks, flags, and transaction execution flows.
Analyze and maintain TPFDF record structures, ordinals, file retrieval and update logic, chain records, and database access paths.
Examine multiple processing paths to identify functional differences within complex assembler-based business logic.
Analyze assembler macros and trace the underlying execution paths created through macro expansion.
Conduct impact assessments and implement safe, reliable fixes within mission-critical production environments.
Review code and provide technical guidance to developers and other team members.
Collaborate with architects, business analysts, developers, and stakeholders to translate requirements into effective technical solutions.
Create and maintain technical documentation, design specifications, debugging findings, and root-cause analysis reports.
Support testing, deployments, production releases, and post-implementation validation.

Required Qualifications

Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related field, or equivalent practical experience.
Eight or more years of hands-on IBM z/TPF application-development experience.
Eight or more years of High-Level Assembler HLASM or ASM programming experience.
Advanced experience developing, maintaining, and supporting enterprise transaction-processing applications in a z/TPF environment.
Expert-level ability to debug and troubleshoot complex assembler applications.
Hands-on experience with the IBM z/TPF Toolkit, debugger, dump analysis, and related diagnostic utilities.
Strong knowledge of ECB processing, ECB work areas, registers, storage management, and transaction execution flows.
Strong experience analyzing assembler macros and tracing generated execution paths.
Demonstrated ability to perform root-cause analysis across multiple assembler modules, utilities, services, and processing paths.
Experience resolving complex production issues in high-availability, mission-critical environments.
Strong knowledge of inventory, reservation, availability, ticketing, transportation, airline, railroad, or comparable transaction-processing applications.
Strong understanding of z/TPF transaction-processing architecture and system internals.
Experience analyzing application performance and implementing production-safe solutions.
Experience with source-control and change-management tools such as Git and Jira.
Experience supporting production deployments, releases, and post-implementation validation.
Strong analytical, troubleshooting, communication, and collaboration skills.
Ability to independently investigate and resolve issues spanning multiple assembler modules and processing paths.
Experience working in an Agile or Scrum development environment.

Preferred Qualifications

Experience supporting transportation, railroad, airline, logistics, reservation, inventory, availability, or ticketing platforms.
Knowledge of z/OS, TSO/ISPF, JCL, and related mainframe-development tools.
Advanced experience with z/TPF dump analysis, debugging utilities, and performance-analysis tools.
Experience with TPFDF record structures, ordinals, file addressing, and chain-record processing.
Working knowledge of C programming and C/Assembler integration within a z/TPF environment.
Experience analyzing or modernizing large legacy assembler codebases.
Experience designing, troubleshooting, and optimizing high-volume transaction-processing applications.

Lumen Solutions Group Inc is an equal opportunity employer. All qualified applicants will be considered for employment without regard to any legally protected status

Dice Id: 10483685
Position Id: 26-00811
Posted 2 hours ago

Fitment

Dice Job Match Score™

To see how well you match this job, please log in or create an account.

Once logged in, be sure to complete your profile to get the most accurate match score.

Create job alert

Never miss an opportunity! Create an alert based on the job you applied for.

Similar Jobs

Mainframe zTPF Developer Senior

Remote

•

Today

Easy Apply

Third Party, Contract

$50+

z/OS Programmer

Remote

•

11d ago

Easy Apply

Contract

Depends on Experience

Mainframe Systems Programmer

Remote or Bellevue, Washington

•

Today

Easy Apply

Contract

USD 60.00 - 65.00 per hour

Mainframe Print Systems Specialist / z/OS Print Systems Engineer (Only W2 )

Remote

•

Today

Easy Apply

Contract

Depends on Experience