AS/400 (IBM i) Application Engineer

About the role

Cognizant is seeking an experienced AS/400 (IBM i) Application Engineer to support and enhance enterprise‑scale systems. The role involves designing, developing, and maintaining applications using RPGLE, CLLE, DB2/400, and AS/400 utilities, while working closely with cross‑functional teams in a hybrid work environment. The ideal candidate demonstrates strong technical expertise, problem‑solving skills, and a commitment to delivering high‑quality solutions aligned with business needs.

In this role, you will:

·       Design, develop, and implement robust AS/400 (IBM i) solutions to improve system performance, reliability, and scalability.

·       Collaborate with cross‑functional teams to ensure seamless integration of CLLE and RPGLE applications.

·       Analyse, tune, and optimize DB2/400 databases to enhance data retrieval, integrity, and storage efficiency.

·       Develop and maintain CLP scripts to automate routine operational tasks and streamline system processes.

·       Create, modify, and maintain applications using AS/400 RPG/RPGLE in alignment with business requirements.

·       Provide technical support and troubleshooting for AS/400 systems to minimize downtime and ensure continuity of operations.

·       Document system architecture, technical designs, and operational procedures to support knowledge transfer and future enhancements.

·       Conduct code reviews and provide feedback to ensure adherence to coding standards, best practices, and quality guidelines.

·       Participate in project planning, estimation, and execution to ensure timely and cost‑effective delivery.

·       Stay current with emerging IBM i / AS/400 technologies and industry trends to drive continuous improvement.

·       Communicate effectively with technical and business stakeholders to gather requirements and provide status updates.

·       Ensure compliance with Cognizant policies, security standards, and applicable regulatory requirements.

·       Mentor junior team members and contribute to a collaborative, learning‑focused team environment.

Work model: Hybrid.

At Cognizant, we strive to provide flexibility wherever possible, and we are here to support a healthy work-life balance though our various wellbeing programs. Based on this role’s business requirements, this is an onsite position requiring x days a week in a client or Cognizant office in San Francisco, CA.

Please note: A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered:

·       7+ years of Strong hands‑on experience with AS/400 (IBM i) technologies, including AS/400 Utilities, CLLE, RPGLE, DB2/400, CLP, and RPG.

·       Proven experience designing and implementing complex technical solutions in an enterprise environment.

·       Proficiency in English, with strong verbal and written communication skills.

·       Excellent analytical and problem‑solving abilities with high attention to detail.

·       Ability to work independently and collaboratively in a team‑based, hybrid work model.

·       Strong organizational and time‑management skills with the ability to manage multiple priorities.

·       Demonstrated commitment to continuous learning and professional development.

*Please note, this role cannot offer visa transfer or sponsorship now or in the future*

These will help you stand out:

·       Hold a bachelor’s degree in computer science or related field.

·       Experience working in regulated or large‑scale enterprise environments.

·       Prior experience mentoring or supporting junior engineers.

·       Familiarity with modern modernization or integration initiatives on IBM i platforms.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Salary and compensation:

The annual salary for this position will be between $60,000 to $93,000 depending on the experience and other qualifications of the successful candidate. This position is also eligible for Cognizant’s discretionary annual incentive program and stock awards, based on performance and subject to the terms of Cognizant’s applicable plans.

Applications will be received by Feb 27^th, 2026.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

·       Medical/Dental/Vision/Life Insurance.

·       Paid holidays plus Paid Time Off.

·       401(k) plan and contributions.

·       Long-term/Short-term Disability.

·       Paid Parental Leave.

·       Employee Stock Purchase Plan.

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.