Senior zTPF Systems Engineer

job summary:

We are seeking a high-caliber Senior zTPF Systems Engineer to join a mission-critical team in Washington, D.C., supporting one of the nation's most vital transportation networks. This role is designed for a technical expert who bridges the gap between high-performance legacy mainframe systems and modern digital architecture. You will be responsible for developing and optimizing high-volume reservations applications, leveraging a deep mastery of zTPF Assembler and C++ to ensure seamless integration with modern Web Services and API frameworks. This is a unique opportunity to apply sophisticated analytical skills to a complex SOA environment, directly impacting the travel experience for millions of passengers.

location: Washington, Washington, D.C.

job type: Contract

salary: $55 - 60 per hour

work hours: 9am to 5pm

education: Bachelors



responsibilities:

Application Development: Design, code, and test complex zTPF application logic using Assembler, C, and C++ within a high-availability environment.

System Integration: Build and maintain robust interfaces between TPF and external systems using MQ, JSON/XML, and SOA principles.

Modernization: Utilize the TPF Toolkit and SDLC best practices to transition legacy reservation functionalities into modern, API-driven architectures.

Data Management: Manage complex data structures using TPFDF to ensure high-speed processing and data integrity.

Collaboration & Testing: Lead end-to-end testing cycles using Postman for API validation and collaborate with cross-functional teams to troubleshoot high-priority system issues.

Performance Tuning: Analyze system performance and implement optimizations to handle large-scale transactional workloads typical of the travel and rail industry.

qualifications:

Core Expertise: Extensive professional experience in zTPF development, specifically within the travel, airline, or rail sectors.

Technical Proficiency: Advanced command of zTPF Assembler, C/C++, and TPFDF.

Modern Connectivity: Proven experience working with Web Services, RESTful APIs, JSON/XML, and IBM MQ.

Tooling & Process: Deep familiarity with TPF Toolkit, Postman, and standard SDLC methodologies.

Analytical Background: Strong problem-solving skills with the ability to navigate complex, integrated system architectures.

Preferred Experience: Prior experience with Amtrak systems or large-scale passenger reservation systems is highly desirable.

Soft Skills: Excellent communication skills and the ability to work effectively in a collaborative, fast-paced corporate environment.

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.