Software Developer - IBM iSeries (AS400) / COBOL Applications

PACCAR Inc; Renton (WA); On-site; USD 104,100 - 146,630; Full time

Benefits offered by this job

401k with up to a 5% company match

Fully funded pension plan

Comprehensive paid time off

Tuition reimbursement

Medical, dental, and vision plans

Flexible spending accounts

Paid short-and long-term disability programs

Life insurance

Job summary

PACCAR Inc is seeking a Software Developer to enhance and maintain critical IBM iSeries applications, including COBOL-based ASI solutions in Renton, Washington. This role involves analyzing requirements, designing solutions, and collaborating with business partners to ensure reliable system operations.

The ideal candidate will possess substantial experience in application development and support, particularly in IBM iSeries environments, and will contribute to modernization efforts and effective troubleshooting.

Employees enjoy a rich benefits package, including a 401k match, fully funded pension plan, and comprehensive paid time off.

Qualifications

• 5 years of experience in developing or supporting enterprise business applications.
• Ability to troubleshoot application issues and communicate with diverse audiences.
• Experience with Software Development Life Cycle and Agile delivery.

Responsibilities

• Analyze business and technical requirements, design solutions, and provide effort estimates.
• Develop, modify, test, and maintain COBOL, RPGIV, RPGLE, CLLE programs.
• Troubleshoot incidents and implement reliable solutions.

Skills

COBOL

IBM iSeries

RPGIV

RPGLE

SQL

DB2

Education

Bachelor’s degree in Information Technology or Computer Science

Master's degree in Information Technology or related discipline

Job description

Software Developer - IBM iSeries (AS400) / COBOL Applications

Company: PACCAR

We are looking for a Software Developer to maintain, enhance, and modernize business‑critical IBM iSeries applications, including COBOL‑based ASI solutions. This role works with business partners, IT teams, and vendors to deliver reliable systems that support daily operations and long‑term technology goals.

This opportunity is well suited for someone who enjoys solving business problems, supporting essential applications, and learning both legacy and modern development practices. We welcome applicants with relevant experience, transferable skills, and a willingness to learn the PACCAR application environment.

The successful candidate will bring curiosity, accountability, collaboration, and a practical approach to development, testing, troubleshooting, documentation, and production support.

Job Functions / Responsibilities

• Analyze business and technical requirements, design solutions, and provide effort estimates.
• Prepare functional, technical, testing, implementation, and support documentation.
• Develop, modify, test, and maintain COBOL, RPGIV, RPGLE, CLLE, and related IBM iSeries programs.
• Enhance existing applications, support modernization opportunities, and apply standards for quality, security, performance, and maintainability.
• Perform unit, integration, regression, and production validation testing.
• Troubleshoot incidents, analyze production data, perform root‑cause analysis, and implement reliable solutions.
• Monitor batch jobs, investigate abnormal terminations, and support timely production issue resolution.
• Support deployment planning, change management, release activities, and post‑implementation validation.
• Communicate status, risks, and options clearly while sharing knowledge with teammates, business partners, vendors, and global IT teams.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, a related discipline is required.
• Master degree in Information Technology or related discipline, preferred.
• 5 years of experience developing, maintaining, or supporting enterprise business applications.
• 5 years of experience with IBM iSeries application development or support using COBOL, RPGIV, RPGLE, CLLE, SQL, DB2 is required. ASI experience is preferred but not required.
• Knowledge of database concepts, data structures, file layouts, queries, testing methods, and maintainable code practices.
• Familiarity with the Software Development Life Cycle, Agile or iterative delivery, documentation standards, and change control processes.
• Ability to troubleshoot application issues, analyze production data, and communicate clearly with technical and non‑technical audiences.
• Ability to work independently and collaboratively with business partners, vendors, and geographically distributed teams.
• Willingness to learn complex application environments, document findings, and contribute to team knowledge sharing.
• Willingness and ability to participate in a shared on‑call rotation and provide evening or weekend support when needed for business‑critical systems.

Benefits

• 401k with up to a 5% company match
• Fully funded pension plan that provides monthly benefits after retirement
• Comprehensive paid time off – minimum of 10 paid vacation days (additional days are provided with additional seniority/years of service), 12 paid holidays, and sick time
• Tuition reimbursement for continued education
• Medical, dental, and vision plans for you and your family
• Flexible spending accounts (FSA) and health savings account (HSA)
• Paid short‑and long‑term disability programs
• Life and accidental death and dismemberment insurance
• EAP services including wellness plans, estate planning, financial counseling and more
• This position is eligible for a holiday gift

Salary Range: At PACCAR, we value talent and promote growth and development. We carefully consider numerous compensation factors including your education, training, or experience. The salary range for this position is $104,100 - $146,630 annually. Additionally, this role is eligible for the full range of benefit options listed above.

Equal Employment Opportunity

• PACCAR is an Equal Opportunity Employer/Protected Veteran/Disability.
• PACCAR Parts is an E‑Verify Employer.
• PACCAR has success with diverse teams of employees working together to achieve excellent results. Having a diverse and inclusive work environment ensures PACCAR has the talent needed to conduct business today and in the future by leveraging different backgrounds, skills, and viewpoints. We believe diversity in the workplace increases innovation, results in better decisions and increases employee engagement.

Nearest Major Market: Seattle

Nearest Secondary Market: Bellevue

Job Segment: Testing, Developer, Mainframe, Application Developer, Computer Science, Technology