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Mainframe Application Developer

Knowledge Services Bismarck, ND 🇺🇸 Remote

Bismarck, ND

Today

Contract Adabas Application Developer COBOL

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Job Description

Knowledge Services is seeking a remote Mainframe Application Developer for a 12-month contract supporting the State of North Dakota Department of Information Technology.

Responsibilities

Design, develop, test, and support enhancements to existing mainframe applications used across State of North Dakota programs
Perform primarily hands-on development using COBOL and Natural, with JCL and databases including ADABAS and DB2 (Oracle familiarity is a plus)
Translate business requirements into technical solutions and produce clear documentation
Analyze requirements and create practical technical designs for moderate to complex changes within established patterns and standards
Create and update design documentation such as program specs, data mappings, and flow diagrams; walk through with stakeholders for approval
Recommend incremental improvements aligned with existing architecture (not responsible for enterprise architecture)
Develop and maintain programs using COBOL and/or Natural
Author and troubleshoot JCL for batch processes, job streams, and error handling
Build test scenarios and execute unit, system, and acceptance testing; document results
Participate in peer code reviews and apply feedback to improve code quality
Maintain runbooks, deployment notes, and solution documentation
Provide production support via a rotational 24x7 on-call model, including root-cause analysis and implementation of fixes
Provide time and effort estimates for assigned work items and small enhancements; assist with estimates for moderate projects
Participate in Agile ceremonies (stand-ups, planning, reviews, retros)
Document tickets, decisions, and work acceptance in team tools
Informally mentor peers on standards and procedures as needed (no formal people leadership)

Requirements

5+ years of mainframe development in enterprise settings (or equivalent)
Proficiency in COBOL for maintenance and net-new development
Proficiency in Natural for maintenance and net-new development
Strong working knowledge of JCL (batch authoring, scheduling handoff, troubleshooting)
Experience with ADABAS and DB2 (queries, data analysis, basic performance understanding)
Familiarity with Oracle concepts and SQL tooling (for example, PL/SQL Developer or equivalent)
Comfortable using tools such as QMF and Visio (or equivalents) for data and design work
Solid testing discipline and defect management
Strong technical writing skills (design docs, runbooks, change notes)
Ability to explain technical concepts clearly to non-technical stakeholders
Detail-oriented, organized, and dependable follow-through

Technologies

COBOL, Natural, JCL
ADABAS, DB2
Oracle, SQL, PL/SQL Developer
QMF, Visio
Agile

Preferred Qualifications

Experience with Natural/ADABAS in public sector or large enterprise environments
Exposure to mainframe CI/CD and change tools (e.g., Endevor, ChangeMan, ISPW)
Familiarity with job scheduling platforms (Control-M, CA 7, TWS)
Integration experience (e.g., MQ, file-based interfaces, service layers)
Prior participation in rotational on-call support
Informal mentorship or focal-point experience
State government or regulated industry experience
Bachelor’s degree in Computer Science, Information Systems, or related field

Location and Employment

Location: Bismarck, ND (100% remote)
Job type: Contract
Contract length: 12 months (potential for extension)

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