Application Senior Developer

Posted:
5/26/2026, 4:34:21 AM

Location(s):
Georgia, United States ⋅ Alpharetta, Georgia, United States

Experience Level(s):
Expert or higher ⋅ Senior

Field(s):
Software Engineering

Orion Innovation is a premier, award-winning, global business and technology services firm.  Orion delivers game-changing business transformation and product development rooted in digital strategy, experience design, and engineering, with a unique combination of agility, scale, and maturity.  We work with a wide range of clients across many industries including financial services, professional services, telecommunications and media, consumer products, automotive, industrial automation, professional sports and entertainment, life sciences, ecommerce, and education.

Project Overview:

This role involves playing an integral part in the Delivery department, focusing on developing and maintaining complex mainframe applications. The ideal candidate will leverage their expertise in COBOL, JCL, DB2, VSAM, and CICS to support mission-critical systems while ensuring high-quality delivery.

 

Key Responsibilities:

  • Develop, code, test, and debug mainframe applications using COBOL, JCL, DB2, VSAM, and CICS.
  • Collaborate with cross-functional teams to gather and analyze system requirements.
  • Ensure application reliability, performance, and scalability through rigorous testing and optimization.
  • Provide technical support and troubleshoot issues in existing mainframe environments.
  • Maintain comprehensive documentation for all developed systems and processes.
  • Contribute to process improvements and development best practices within the team.
  • Support legacy systems while ensuring seamless integration with newer technologies.

 

Required Skills and Experience:

  • Mandatory: Proficiency in COBOL, JCL, DB2, VSAM, and CICS
  • Strong experience in mainframe application development and maintenance. Agile delivery, client interaction.
  • Minimum 10 years of relevant professional experience.
  • Preferred: Knowledge or experience with iSeries systems.

Orion is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, creed, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, citizenship status, disability status, genetic information, protected veteran status, or any other characteristic protected by law.

Candidate Privacy Policy

Orion Systems Integrators, LLC and its subsidiaries and its affiliates (collectively, “Orion,” “we” or “us”) are committed to protecting your privacy. This Candidate Privacy Policy (orioninc.com) (“Notice”) explains:

  • What information we collect during our application and recruitment process and why we collect it;
  • How we handle that information; and
  • How to access and update that information.

Your use of Orion services is governed by any applicable terms in this notice and our general Privacy Policy.

 

Orion Innovation

Website: https://www.orioninc.com/

Headquarter Location: Edison, New Jersey, United States

Employee Count: 1001-5000

Year Founded: 1993

IPO Status: Private

Last Funding Type: Undisclosed

Industries: Big Data ⋅ Cloud Computing ⋅ Information Technology