PL/I Developer with Unix/Bash Scripting // Remote

Job Title: PL/I Developer with Unix/Bash Scripting

Location: Remote

Client: NTT DATA / United Natural Foods Inc. 

Job Summary

The Software Development Senior Specialist provides expert-level design and development support for IT application integrations between the Manhattan Warehouse Management System (WMS), SAP and host systems. This role is responsible for the end-to-end development of new inbound and outbound interfaces, leveraging PL/I and Unix/Bash scripting in a distributed systems environment. The position serves as a technical leader and advisor, collaborating with cross-functional and offshore teams to deliver reliable, scalable, and high-quality integration solutions.

Key Responsibilities

·       Design, develop, and enhance new application interfaces between Manhattan WMS and host systems; and SAP and host systems using PL/I and Unix-based scripting.

·       Lead interface development efforts from the host system perspective, ensuring alignment with business requirements and integration standards.

·       Analyze integration requirements across batch, near-real-time, and real-time data exchanges.

·       Model and implement data mappings, transformations, file layouts, and control flows for inbound and outbound interfaces.

·       Develop, modify, and maintain PL/I programs and Unix/Bash scripts supporting interface processing, validation, error handling, and recovery.

·       Collaborate with Manhattan WMS and SAP implementation teams, middleware teams, and upstream/downstream system owners to ensure seamless data flow.

·       Identify, troubleshoot, and resolve complex integration defects and performance issues through root cause analysis.

·       Support system, integration, and user acceptance testing activities by resolving defects and providing technical guidance.

·       Document interface designs, data flows, operational procedures, and support runbooks.

·       Coordinate development activities across onshore and offshore teams, ensuring delivery timelines and quality standards are met.

·       Communicate technical designs, implementation status, and risks to IT leadership and business stakeholders.

·       Serve as a technical consultant on WMS/ SAP integration architecture, interface behavior, and development best practices.

·       Mentor and provide technical guidance to less experienced developers.

Required Qualifications

·       Minimum 8+ years of experience with PL/I programming in an enterprise integration environment.

·       Minimum 8+ years of working knowledge of Unix/Linux operating systems and Bash shell scripting.

·       Minimum 3+ years of experience with batch processing, file-based integrations, and job scheduling.

·       Minimum 3+ years of proven experience developing interfaces with Manhattan Warehouse Management System (WMS); or the similar experience developing interfaces with SAP S/4 HANA.

·       Strong hands-on experience in application development and system integration.

·       Deep understanding of host system integrations, including data validation, error handling, and reconciliation.

·       Strong analytical and problem-solving skills with the ability to diagnose complex integration issues.

·       Excellent written and verbal communication skills.

·       Ability to work independently in a remote, contract-based environment.

Travel: This position doesn’t require any travel.

Degree:  Bachelors in computer science or equivalent work experience

Preferred Qualifications

·       Experience in supply chain, logistics, or warehouse management domains.

·       Familiarity with EDI, message-based integrations, APIs, or middleware platforms.

·       Prior experience acting as a technical lead or advisor on enterprise integration initiatives.

·       Experience supporting legacy and mainframe-adjacent systems in distributed environments.