Principal IBM i Connectivity Architect

United States Digital Space LLC; United States; Remote; USD 140,000 - 210,000; Full time

Job summary

Redwood seeks a Software Engineer - Principal, IBM i Connectivity to extend Redwood RunMyJobs onto IBM i. You will join a senior team building native connectivity, job submission, and data handling across IBM i, Unix, and Java environments.

You will leverage JTOpen/jt400, IBM Toolbox for Java, and DB2 for i to deliver secure, scalable automation capabilities. Join us to drive enterprise-class orchestration with AI-assisted workflows.

Qualifications

• 10+ years of professional software engineering experience with strong Java 8+ skills.
• Hands-on IBM i (AS/400) integration experience, incl. CL, native APIs, and DB2 for i.
• Working proficiency in C, including ILE C on IBM i.
• Experience with vendor host-server or RPC-style APIs over TCP/IP.

Responsibilities

• Design, develop, test, and maintain native software for IBM i connectivity.
• Build native job submission, monitoring, spool file and message/data queue handling.
• Integrate IBM i functionality with Redwood platform via native APIs or JTOpen/jt400.
• Ensure security via per-user authorization and integrate with identity/credential management.
• Troubleshoot complex system-level issues across IBM i, Unix, and Java.
• Improve reliability, performance, security, and scalability of IBM i solutions.
• Collaborate with product managers, architects, and engineers to translate requirements into solutions.
• Participate in architecture discussions, design reviews, coding, testing, and releases.
• Leverage agentic AI to accelerate implementation and documentation.

Skills

Java 8+

IBM i (AS/400) integration

C programming

Concurrency/multithreading

DevOps (Git, CI/CD)

Docker and Kubernetes

AI tooling fluency

Architectural design

Tools

JTOpen/jt400

DB2 for i

IBM Toolbox for Java

Job description

Redwood seeks a Software Engineer - Principal, IBM i Connectivity to extend Redwood RunMyJobs onto IBM i. You will join a senior team building native connectivity, job submission, and data handling across IBM i, Unix, and Java environments.

You will leverage JTOpen/jt400, IBM Toolbox for Java, and DB2 for i to deliver secure, scalable automation capabilities. Join us to drive enterprise-class orchestration with AI-assisted workflows.