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Senior Mainframe Applications Developer (COBOL | DB2 | Natural | CICS)

Conquest ConsultingAustin, TX🇺🇸United StatesPosted 5 Aug 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Senior Mainframe Applications Developer (COBOL | DB2 | Natural | CICS)

Location: Austin Texas ( Hybrid  – Candidates Must Reside in Texas)
Client: State of Texas
Employment Type: Contract (C2C/W2)
Experience: Minimum 12–15+ Years
Work Authorization: Only Texas-based candidates with a Valid Texas Driver''s License

Mandatory Requirements

  • 12–15+ years of Mainframe Application Development experience.
  • Current Texas resident with a Valid Texas Driver''s License.
  • Minimum 2–3+ years of experience working with a State or Federal Workforce/Labor Department is Mandatory.
  • Strong hands-on experience with COBOL, DB2, Natural, CICS, and JCL.
  • Candidates without Workforce/Labor Department experience will not be considered.

Position Summary

The State of Texas is seeking a highly experienced Senior Mainframe Applications Developer to support and enhance mission-critical Workforce applications. The ideal candidate will possess deep expertise in legacy mainframe technologies, database design, batch processing, API integration, and secure authentication frameworks while working in a complex enterprise environment.

Required Technical Skills

  • COBOL
  • DB2
  • Natural
  • CICS
  • JCL
  • Mainframe Application Development
  • DB2 Database Design & Optimization
  • Batch Processing
  • Online CICS Screen Development
  • Software Development Life Cycle (SDLC)
  • Application Testing & Debugging
  • Legacy System Modernization

Web Services & Integration

  • REST APIs
  • SOAP Web Services
  • XML
  • JSON
  • API Integration with Legacy Mainframe Systems
  • Data Mapping & Parsing

Security & Identity Management

  • LDAP
  • SAML
  • OIDC
  • Azure AD / Microsoft Entra
  • Okta
  • Identity & Access Management (IAM)
  • User Authentication & Authorization
  • Personally Identifiable Information (PII) Security

Preferred Functional Experience

  • NASWA SIDES (State Information Data Exchange System)
  • Additional Fact-Finding (ADF)
  • Determinations & Decisions (DD)
  • Monetary/Potential Charges (MPC)
  • Benefit Charges (BC)
  • Workforce/Labor Systems

Tools

  • ALM Octane
  • Microsoft Visio

Responsibilities

  • Develop, enhance, test, debug, and maintain enterprise Mainframe applications.
  • Analyze and optimize DB2 databases, schemas, and relational data structures.
  • Modify CICS online screens, batch jobs, and runtime processes.
  • Integrate REST/SOAP web services with legacy Mainframe applications.
  • Implement secure authentication and authorization solutions using enterprise identity frameworks.
  • Analyze undocumented legacy code, perform impact analysis, and implement system enhancements.
  • Participate in SDLC activities, including design, development, testing, deployment, and production support.
  • Ensure compliance with State/Federal security standards and protection of sensitive PII data.

Preferred Qualifications

  • Experience supporting State Workforce or Labor Department applications.
  • Strong analytical and troubleshooting skills.
  • Experience with enterprise modernization and legacy integration initiatives.
  • Excellent communication and documentation skills.

Submission Requirements

Please submit only candidates who meet all of the following:

  • Texas Resident with a Valid Texas Driver''s License
  • Minimum 12–15+ years of Mainframe Development experience
  • Strong expertise in COBOL, DB2, Natural, CICS, and JCL
  • 2–3+ years of State or Federal Workforce/Labor Department experience (Mandatory)

Skills

SOAP
SAML
Azure
COBOL
LDAP
REST

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