PL/I Developer with Unix/Bash Scripting

Role Description

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.

• 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.

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 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.

Requirements

• 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.

Benefits

• This position is eligible for company benefits including medical, dental, and vision insurance with an employer contribution.
• Flexible spending or health savings account.
• Life and AD&D insurance.
• Short- and long-term disability coverage.
• Paid time off.
• Employee assistance.
• Participation in a 401k program with company match.
• Additional voluntary or legally-required benefits.