PL1 Developer with Linux/Bash Scripting

NTT DATA•Providence, RI

About The Position

The Software Development Senior Specialist provides expert-level design and development support for IT application integrations between the Manhattan Warehouse Management System (WMS) 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.

Requirements

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).
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.
Bachelors in computer science or equivalent work experience

Nice To Haves

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.

Responsibilities

Design, develop, and enhance new application interfaces between Manhattan WMS 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 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 integration architecture, interface behavior, and development best practices.
Mentor and provide technical guidance to less experienced developers.