Principal IBM i Connectivity Engineer - Remote

Redwood; Northern (KY); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Redwood is seeking a Principal Software Engineer for IBM i (AS/400) Connectivity to extend Redwood RunMyJobs onto IBM i. This remote-friendly role supports large enterprise automation environments across IBM i, Unix, and Java platforms.

You will design and implement a native connectivity agent, build submission and monitoring capabilities, and integrate security and identity management with the Redwood platform. A senior, collaborative engineer with 10+ years of Java experience is ideal.

Qualifications

• 10+ years of professional software engineering experience with strong Java 8+ skills.
• Hands-on IBM i (AS/400) integration experience, including CL, native job/spool/queue APIs, IBM Toolbox for Java (JTOpen/jt400), and DB2 for i.
• Working proficiency in C, including ILE C on IBM i.
• Experience integrating with vendor host-server or RPC-style APIs over TCP/IP, including connection lifecycle management and error handling.
• Strong concurrency and multithreading skills, with experience building resilient, long-running monitoring components such as job polling and spool/file event detection.
• Experience with modern DevOps practices and technologies, including Git, CI/CD, Docker, and Kubernetes.

Responsibilities

• Design, develop, test, and maintain native software supporting connectivity and integration with IBM i (AS/400) environments.
• Build native job submission and monitoring, spool file and message/data queue handling, and CL/RPG program invocation capabilities.
• Integrate IBM i functionality with the Redwood platform through clean, versioned extension points using native host server APIs and/or IBM Toolbox for Java (JTOpen/jt400).
• Integrate security and per-user authorization using IBM i user profiles and authority concepts while extending Redwood’s existing identity and credential management capabilities.
• Troubleshoot complex system-level issues across IBM i, Unix, and Java environments.
• Improve the reliability, performance, security, and scalability of Redwood’s IBM i solutions.

Skills

Java 8+

IBM i integration

ILE C on IBM i

JTOpen jt400

TCP/IP RPC

DevOps

Tools

Git

CI/CD

Docker

Kubernetes

DB2 for i

JTOpen jt400

Job description

Redwood is seeking a Principal Software Engineer for IBM i (AS/400) Connectivity to extend Redwood RunMyJobs onto IBM i. This remote-friendly role supports large enterprise automation environments across IBM i, Unix, and Java platforms.

You will design and implement a native connectivity agent, build submission and monitoring capabilities, and integrate security and identity management with the Redwood platform. A senior, collaborative engineer with 10+ years of Java experience is ideal.