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Mainframe Developer With Cobol Jobs in Colorado (NOW HIRING)

3B Staffing LLC

Hogan Mainframe Developer

Littleton, CO · Remote

$60/hr

Hogan Mainframe Developer Client: Large National Banking Client Location: 100% Remote Duration: 12 ... with expertise in CAMS & CICS, COBOL, JCL, VSAM, DB2/IMS, and mainframe debugging tools like ...

3B Staffing LLC

Hogan Mainframe Developer

Littleton, CO · Remote

$60/hr

Hogan Mainframe Developer Client: Large National Banking Client Location: 100% Remote Duration: 12 ... with expertise in CAMS & CICS, COBOL, JCL, VSAM, DB2/IMS, and mainframe debugging tools like ...

Accenture

Mainframe Specialist

Denver, CO · On-site

$70K - $196K/yr

Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ... COBOL, JCL, VSAM, CICS, DB2, Assembler, REXX, SPUFI, TSO/ISPF, or RACF. * Minimum 3+ years leading ...

Huntington

Mainframe Systems Engineer III

Denver, CO · On-site

$70K - $140K/yr

The Mainframe Systems Engineer III candidate must have experience in one or more of the following ... Work as a team member with other technical staff, and teams to ensure High available, secure ...

Huntington

Mainframe Systems Engineer III

Denver, CO

$178K - $211K/yr

The Mainframe Systems Engineer III candidate must have experience in one or more of the following ... Work as a team member with other technical staff, and teams to ensure High available, secure ...

Visa

Lead Software Engineer

Denver, CO · Hybrid

Ensure compliance with industry security standards and internal controls for mainframe systems and ... COBOL/JCL (required) * 12-15 years of general knowledge in EFT settlement and transaction ...

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Mainframe Developer With Cobol information

What is a mainframe developer with COBOL?

Mainframe Developers with COBOL are IT professionals who specialize in developing, maintaining, and supporting applications that run on mainframe computers using the COBOL programming language. They work with legacy systems, often in industries like banking, insurance, or government, where mainframes are still prevalent due to their reliability and processing power. Their responsibilities include coding, debugging, testing, and optimizing COBOL programs, as well as integrating mainframe applications with newer technologies. Mainframe Developers also ensure the performance and security of mission-critical systems that handle large volumes of data.

What are the key skills and qualifications needed to thrive as a mainframe developer with COBOL?

To thrive as a Mainframe Developer with COBOL, you need expertise in COBOL programming, mainframe systems (such as IBM z/OS), JCL, and database management, typically supported by a degree in computer science or a related field. Familiarity with tools like TSO/ISPF, DB2, CICS, and source control systems is commonly required, and certifications in mainframe technologies can be advantageous. Strong problem-solving, attention to detail, and effective communication skills help you manage complex legacy systems and collaborate with cross-functional teams. These skills and qualifications are vital for maintaining, enhancing, and supporting critical business applications that rely on mainframe environments.

What are some common challenges faced by mainframe developers working with COBOL, and how can they be overcome?

Mainframe Developers working with COBOL often encounter challenges such as maintaining legacy code, integrating mainframe systems with modern technologies, and adapting to evolving business requirements. Legacy systems may lack proper documentation, making it crucial to develop strong debugging and reverse-engineering skills. Collaborating closely with business analysts and other IT teams helps ensure a clear understanding of requirements and smoother integration projects. Staying up-to-date with mainframe modernization tools and participating in knowledge-sharing sessions within your team can also help overcome these challenges and support career growth.

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Mainframe Developer With Cobol jobs near you
Infographic showing various Mainframe Developer With Cobol job openings in Colorado as of June 2026, with employment types broken down into 12% As Needed, 56% Full Time, 12% Part Time, 8% Temporary, 8% Contract, and 4% Nights. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution.

Hogan Mainframe Developer

3B Staffing LLC

Littleton, CO • Remote

$60/hr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Job Title: Hogan Mainframe Developer
Client: Large National Banking Client
Location: 100% Remote
Duration: 12+ Months (with possible extensions)

W2 Only (USC, GC, H4-EAD, etc.)

$60/hr

Strong hands-on experience in Hogan Mainframe development with expertise in CAMS & CICS, COBOL, JCL, VSAM, DB2/IMS, and mainframe debugging tools like Expeditor and Endeavor.
Overview

TEKsystems is hiring 5 experienced Hogan Mainframe Developers to support one of our major national banking clients. This is a hands-on development role focused on the design, coding, and testing of complex Hogan-based applications in a mainframe environment.

The ideal candidate will bring deep technical expertise in Hogan CAMS, CICS, and core mainframe technologies (COBOL, JCL, VSAM) and be comfortable working independently in a fast-paced, enterprise-scale environment.
Key Responsibilities

  • Design, develop, and enhance applications using Hogan mainframe technologies.
  • Perform hands-on coding and unit testing in COBOL, JCL, and VSAM.
  • Analyze, identify, and resolve both online and batch Abend issues.
  • Collaborate with technical leads and business analysts to translate business needs into technical solutions.
  • Work with tools like Endeavor or Changeman for version control and deployment.
  • Provide production support, troubleshooting, and performance optimization.
  • Contribute to system documentation and continuous improvement of development standards.

Required Technical Skills

  • Strong hands-on experience with:
    • Hogan CAMS & CICS
    • Hogan Umbrella, PEM, CDMF, and Librarian
    • Logical Environments and Abend Identification (online & batch)
    • Mainframe technologies - COBOL II, Easytrieve, JCL, VSAM
    • MVS Operating System, Expeditor, and Debugging Tools
    • Source Management Tools - Endeavor and/or Changeman
    • Database experience - IMS/DB2

Preferred Qualifications

  • Prior experience working on large-scale banking or financial systems.
  • Proven ability to troubleshoot and optimize mainframe batch and online processes.
  • Excellent communication and problem-solving skills.
  • Experience working in Agile or hybrid environments.

Apply