Lead Mainframe Architect - z/TPF & Modernization

TechDigital Group; Atlanta (GA); On-site; USD 120,000 - 160,000; Full time

Job summary

TechDigital Group is seeking a highly skilled professional in Atlanta, Georgia, to lead end-to-end TPF/z/TPF architectural projects. The role demands 8-15 years of experience, overseeing technical teams, defining modernization roadmaps, and implementing best practices in a mainframe environment.

Key skills required include TPF Assembler, C/C++ on z/TPF, and leadership in performance tuning. Join us to transform legacy systems into modern solutions.

Qualifications

• 8-15 years of experience in TPF/z/TPF environments.
• Strong background in C/C++ programming.
• Experience in leading technical teams and mentoring engineers.

Responsibilities

• Lead end-to-end architecture for TPF/z/TPF systems.
• Define and implement modernization roadmaps.
• Participate in architecture reviews and reporting.

Skills

TPF Assembler, IBM Z-Series / LPAR / CF

C / C++ on z/TPF - ECB & Storage Management

End-to-end architecture of TPF / z/TPF transaction systems

Modernization roadmaps for legacy TPF environments

ECB design and storage pools management

z/TPF implementation: 64-bit, TCP/IP, XML & web services

Coding standards and architectural best practices

Performance tuning & bottleneck analysis

Code reviews & test plans approvals

Cross-functional team leadership

Education

IBM Certified Systems Expert — z/TPF or equivalent

Job description

Tech Skills Required:

• TPF Assembler, IBM Z-Series / LPAR / CF
• C / C++ on z/TPF - ECB & Storage Management
• Lead end-to-end architecture of TPF / z/TPF transaction systems
• Define modernization roadmaps for legacy TPF environments
• Drive decisions on ECB design, storage pools & TPFDF data management
• Implement z/TPF: 64-bit, TCP/IP, XML & web services
• Establish coding standards and architectural best practices
• Oversee & participate in TPF program development in Assembler & C/C++
• Lead performance tuning & bottleneck analysis across subsystems
• Approve HLD/LLD documents, code reviews & test plans
• Drive migration: TPF → z/TPF, Assembler → C modernization
• Manage SELCAL, OAG & airline / GDS integration points
• Lead cross-functional teams of TPF devs, testers & sys programmers
• Mentor and upskill junior and mid-level TPF engineers
• Act as primary technical PoC for client stakeholders & business teams
• Collaborate with infra, network & security for end-to-end delivery
• Participate in architecture reviews, sprints & exec status reporting

Good to Have:

• IBM Certified Systems Expert — z/TPF or equivalent mainframe cert
• TPF DevOps toolchains: automated testing & CI/CD for mainframe
• Cloud integration patterns for TPF hybrid architectures (AWS / Azure + z/TPF)
• ITIL processes — incident, change & problem management
• Prior experience as a Solution Architect or an Enterprise Architect
• NDC (New Distribution Capability) & IATA standards in the airline domain

Years of experience required: 8-15