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Mainframe Developer With Cobol Jobs in Colorado (NOW HIRING)

US Bank

z/OS Systems Engineer

Denver, CO · On-site

Bank is seeking a z/OS Systems Programmer that has extensive experience in mainframe technologies with an emphasis on installation/upgrading, tuning, and troubleshooting of z/OS and third-party ...

New

Visa

Director (Mainframe and GGS)

Denver, CO · On-site

$260K/yr

... engineers to adapt to evolving tools, frameworks, and AI-driven workflows. Partners closely with ... Manage development resources on the IBM Mainframe Settlement and Reporting AND GGS applications, by ...

Visa

Director (Mainframe and GGS)

Denver, CO · Hybrid

$260K/yr

... engineers to adapt to evolving tools, frameworks, and AI-driven workflows. Partners closely with ... Manage development resources on the IBM Mainframe Settlement and Reporting AND GGS applications, by ...

Visa

Director (Mainframe and GGS)

Denver, CO · Hybrid

$260K/yr

... engineers to adapt to evolving tools, frameworks, and AI-driven workflows. Partners closely with ... Manage development resources on the IBM Mainframe Settlement and Reporting AND GGS applications, by ...

Eliassen Group

ServiceNow Software Engineer

Almont, CO · On-site

$70 - $80/hr

Partner with Change Enablement, Security, Infrastructure, Application, and Mainframe teams to ... Experience Requirements: * 7+ years in ITSM, Change Enablement, Platform/SRE Operations, or ...

New

Stem Xpert

LAN Engineer

Golden, CO · On-site

SAN engineer Requirement: Golden, CO Duration: 12 months Face to Face Interview Required. Local ... with the other service towers such as server support, mainframe, circuit vendors, desktop and ...

PNC Bank

Software Engineering Manager

Denver, CO · On-site

Oracle, SQL, Neo4J, Mongo (distributed) or DB2, VSAM (mainframe) Streaming/Event Platforms: Kafka ... Leadership & Management Skills At least 5 years' experience leading teams with increasing levels of ...

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Mainframe Developer With Cobol information

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.

What are Mainframe Developers 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, and why are they important?

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.
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SME Software Developer, Applications

SME Software Developer, Applications

Essnova Solutions, Inc.

Littleton, CO • On-site

Full-time

Re-posted 14 days ago

Job description

Essnova Solutions, Inc., an Inc. 500 federal contractor and SBA 8(a)/HUBZone-certified small business, is seeking a highly competent Capture Manager with the strategic acumen and execution horsepower to drive high-value wins across our federal portfolio. With access to powerful contract vehicles including GSA OASIS+, Seaport NxG, FAA eFAST, GSA MAS, and 8(a) STARS III and deep capabilities in IT, Cybersecurity, Healthcare, Geospatial, and Environmental services, we are uniquely positioned for explosive growth. Essnova possesses necessary clearances and ISO, and CMMI Level 3 certification and exceptional past performance.

*This role is contingent upon contract award.

The SME Software Developer serves as a subject matter expert in the design, development, and modernization of HRD’s enterprise applications. This role provides technical leadership, advanced coding expertise, and oversight of complex migrations and integrations across mainframe and web-based environments.

  • Lead development of large-scale applications in Natural, SQL, Java, and JavaScript.
  • Design and implement solutions for modernizing legacy systems.
  • Provide technical guidance and mentorship to senior and journeyman developers.
  • Ensure secure, scalable, and efficient code across platforms.
  • Support system conversion, integration, and interoperability verification.
  • Collaborate with government stakeholders on architecture and system requirements.

Requirements

  • 10+ years of software development experience.
  • Ability to obtain and maintain a Federal government background investigation (NACI).

Desired Qualifications

    • Deep expertise in Natural/ADABAS, IBM z/OS, Oracle, and Postgres SQL.
    • Experience with system conversion, cloud migration, and web-based technologies.
    • Knowledge of Agile/SAFe and DevSecOps methodologies.
    • Recognized certifications in software architecture or enterprise development.