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About the RoleThe WMS Software Engineer - IBM i / AS400 Specialist plays a critical role in designing, developing, and delivering high-quality software solutions that support McKesson's Warehouse Management Systems across its Distribution Centers. This position focuses on the IBM i platform and requires hands-on expertise in RPGLE, CLLE, SQL, and modern Integrated Language Environment development practices.
The role translates business and technical requirements into modular, scalable solutions; supports platform reliability and interoperability; and drives disciplined engineering through automation, testing, Agile delivery, and CI/CD practices. The engineer will collaborate with technical teams, business partners, and vendors to enhance warehouse operations and support Order-to-Cash processes.
What You'll Do - Research, design, develop, test, debug, implement, and manage solutions for Warehouse Management Systems supporting McKesson Distribution Centers.
- Participate in implementation, development, enhancement, and modification of software source code and scripts while staying current with new technologies, methodologies, and industry best practices.
- Analyze requirements; create and automate tests; and verify and validate that system and software solutions meet specified business and technical requirements.
- Monitor application performance, identify errors, perform root cause analysis, and implement appropriate remediation.
- Integrate solutions across applications and platforms while ensuring interoperability, reliability, and adherence to design principles.
- Liaise with vendors and internal partners to resolve functionality or interoperability issues affecting new and existing applications.
- Use DevOps and Agile processes to deliver functionality quickly and effectively while iterating through continued development.
- Own development activities from technical planning through deployment, and participate in technical design reviews and code reviews.
- Apply automation, CI/CD practices, version control, testing, and disciplined release management to improve quality and delivery reliability.
- Share best practices, provide technical guidance, and mentor or teach other team members as appropriate.
- Contribute to technical roadmaps and strategic planning for technologies used across McKesson's Distribution Centers.
- Create and maintain clear technical documentation, development standards, and operational support materials.
Basic Requirements - 4+ years of professional software development experience, including exposure to enterprise scale systems.
- Hands-on software development experience on the IBM i series (AS400) using RPGLE, CLLE, and SQL.
- Ability to craft modern, modular ILE programs using RPGLE, SQL, and CLLE.
- Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or an equivalent combination of education and experience.
- Demonstrated commitment to staying current with language enhancements and platform feature expansion on IBM i.
- Strong knowledge of the Systems Development Lifecycle (SDLC), Agile delivery methodologies, and collaborative version-control workflows.
- Experience developing, testing, troubleshooting, and supporting mission-critical enterprise applications.
- Applied understanding of software integration patterns, service-to-service communication, release management, and environment promotion practices.
- Experience working in Agile delivery environments and applying disciplined software development practices.
- Strong analytical, debugging, root cause analysis, and problem-solving skills.
Preferred Skills/Experience - Experience deploying solutions on IBM i using other programming languages such as Java, Node.js, Python, or PHP.
- Experience designing, developing, or consuming REST APIs.
- Experience with Kafka or other message-based and event-driven systems.
- Experience working with digital applications and technologies such as Python, Java, MongoDB, or related platforms.
- Knowledge of Warehouse Management and Order-to-Cash processes.
- Experience with DevOps practices, CI/CD pipelines, test automation frameworks, and monitoring automation.
- Experience in distribution, logistics, supply chain, warehouse operations, or healthcare distribution environments.
Travel / Work Environment / Physical Requirements - Limited travel may be required based on business needs.
- Hybrid or remote work arrangements may be available in accordance with company policy.
We are proud to offer a competitive compensation package at McKesson as part of our Total Rewards. This is determined by several factors, including performance, experience and skills, equity, regular job market evaluations, and geographical markets. The pay range shown below is aligned with McKesson's pay philosophy, and pay will always be compliant with any applicable regulations. In addition to base pay, other compensation, such as an annual bonus or long-term incentive opportunities may be offered. For more information regarding benefits at McKesson, please click here.
Our Base Pay Range for this position$106,100 - $176,800
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McKesson job postings are posted on our career site: careers.mckesson.com.
McKesson is an Equal Opportunity EmployerMcKesson provides equal employment opportunities to applicants and employees, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, age, genetic information, or any other legally protected category. For additional information on McKesson's full Equal Employment Opportunity policies, visit our Equal Employment Opportunity page.
McKesson is committed to being an Equal Employment Opportunity Employer and offers opportunities to all job seekers including job seekers with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, please contact us by sending an email to (United States) or (Canada) Resumes or CVs submitted to this email box will not be accepted.
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