AS400 Developer/Admin

MSR Technology Group; United States; Hybrid; USD 90,000 - 120,000; Part time

Job summary

MSR Technology Group in Oklahoma City seeks an AS400 Developer/Admin for a 12-month contract. The role is 20 hours per week and focuses on RPGLE, CL, and SQL on DB2 for i, plus SFTP/FTP integrations.

You will coordinate with hosting providers, maintain security configs, and ensure reliable batch processing and disaster recovery readiness while modernizing legacy processes.

Qualifications

• Minimum of five years of hands-on AS400 (IBM i) development and support.
• Proficiency in RPG IV (ILE RPG), RPGLE, CL, and SQL on DB2 for i.
• Experience with hosted/managed AS400 environments and external hosting providers.

Responsibilities

• Maintain, modify, and optimize legacy RPG/CL code and related DB2 for i processes.
• Troubleshoot operational bugs, batch run issues, and user-reported system problems.
• Coordinate with hosting provider for system maintenance, OS patching, and backups.
• Manage application security, user profiles, and audit logs; oversee job schedulers and subsystems.
• Assist in data migration, modernization efforts, and documentation of system flows.

Skills

RPGLE

CL

SQL (DB2)

SFTP/FTP

Tools

DB2 for i

Ensono hosting

Job description

MSR Technology Group has been recognized as an Inc. 500/5000 company for the past seven consecutive years. We currently have an urgent opening for an AS400 Developer/Admin for an onsite role in Oklahoma City, OK

Title: AS400 Developer/Admin

Location: Fully Remote

Duration: 12-Month Initial Assignment (with high probability of extension)

Pay Rate: $Negotiable

Hours: 20 hours per week

Timeline & Interview Process: 1 round Teams Video call - 30 mins (Technical/Cultural FIT to OID), if needed, maybe a second round for the shortlisted candidates

Required Skills

RPGLE, CL, and SQL on DB2, SFTP /FTP

Job Description.

• Maintain, modify, and optimize custom legacy application code written in RPG, RPG III, RPG IV (ILE RPG), RPGLE, and Control Language (CL).
• Investigate and troubleshoot operational bugs, batch run anomalies, and user reported system issues.
• Update existing logic to adapt to regulatory changes, licensing requirements, and agency business process updates. 2. Application Administration & Infrastructure Liaison
• Serve as the primary technical point of contact to coordinate with the hosting provider for system maintenance, OS patching schedules, database utilities, and environmental adjustments.
• Manage application-level security configurations, including user profiles, object level authority, and verify system audit logs (QAUDJRN) to maintain system integrity.
• Manage local job queues, active subsystems, and application-level job schedulers.
• Coordinate with Ensono’s storage and backup operations teams to ensure application backup windows, disaster recovery testing, and restoration verifications are carried out successfully. 3. DB2 Database & Integration Management
• Query, manage, and tune DB2 for i databases, optimizing SQL queries and indexes to ensure database responsiveness.
• Support secure, automated file transfers (SFTP/FTP) and interfaces between the hosted AS400 partition and downstream state, regional, or partner systems. 4. Modernization & Migration Enablement
• Cooperate with state database administrators and cloud architects to extract, clean, and archive legacy tables.
• Document system flows, database schemas, and interdependencies to facilitate a seamless transition of legacy business logic to modern cloud systems. Required Skills & Qualifications
• Experience: Minimum of five (5) years of hands-on experience in AS400 (IBM i, iSeries) application development and support.
• Programming Skills: Exceptional proficiency in RPG IV (ILE RPG), RPGLE, CL, and SQL on DB2 for i.
• Hosting Coordination: Prior experience working in a hosted/managed AS400 environment, collaborating with external hosting providers (such as Ensono) to resolve infrastructure or environmental issues.
• Application Administration: Proven experience in IBM i work management, subsystem coordination, application security, and user profile management.
• Data Integration: Strong background in file transfer automation (FTP, SFTP) and managing external integrations.

Highly Valued Skills (Nice-to-Haves):

• Direct experience assisting in legacy-to-cloud migrations or data warehousing extractions.
• Familiarity with modern IBM i tools, such as Rational Developer for i (RDi).
• Prior experience working in public sector environments or supporting insurance regulatory systems. Work Environment and Terms
• This role is structured as a contract engagement.

Candidates must be local to Oklahoma City or willing to relocate, as hybrid schedules require designated on site days at Oklahoma Insurance Department or OMES facilities.

• Candidates must pass a comprehensive background check as required by State of Oklahoma IT security standards.