Senior Mainframe Developer

ConcentrixOmaha, NE
Onsite

About The Position

We're Concentrix. The intelligent transformation partner. Solution-focused. Tech-powered. Intelligence-fueled. The global technology and services leader that powers the world’s best brands, today and into the future. We’re solution-focused, tech-powered, intelligence-fueled. With unique data and insights, deep industry expertise, and advanced technology solutions, we’re the intelligent transformation partner that powers a world that works, helping companies become refreshingly simple to work, interact, and transact with. We shape new game-changing careers in over 70 countries, attracting the best talent. The Concentrix Technical Products and Services team is the driving force behind Concentrix’s transformation, data, and technology services. We integrate world-class digital engineering, creativity, and a deep understanding of human behavior to find and unlock value through tech-powered and intelligence-fueled experiences. We combine human-centered design, powerful data, and strong tech to accelerate transformation at scale. You will be surrounded by the best in the world providing market leading technology and insights to modernize and simplify the customer experience. Within our professional services team, you will deliver strategic consulting, design, advisory services, market research, and contact center analytics that deliver insights to improve outcomes and value for our clients. Hence achieving our vision. Our game-changers around the world have devoted their careers to ensuring every relationship is exceptional. And we’re proud to be recognized with awards such as "World's Best Workplaces," “Best Companies for Career Growth,” and “Best Company Culture,” year after year. Join us and be part of this journey towards greater opportunities and brighter futures.

Requirements

  • 7 - 15 years of experience with Strong hands-on experience in COBOL, CICS, JCL, DB2, and VSAM.
  • Strong expertise in both online and batch JCL.
  • Very good analytical and problem-solving skills.
  • Strong database knowledge and experience.
  • Understanding of Java programming.
  • Experience using JIRA for work management.
  • Knowledge of Agile development methodology.
  • Ability to perform code reviews and mentor junior developers.
  • Very good communication skills.
  • Strong quality mindset with experience delivering high-quality, low-defect solutions.

Nice To Haves

  • Experience with IBM Debugger.
  • Familiarity with GitHub.

Responsibilities

  • Design, develop, maintain, and enhance mainframe applications using COBOL, CICS, JCL, DB2, and VSAM.
  • Work extensively on both online and batch processing systems.
  • Analyze business and technical requirements and translate them into effective solutions.
  • Perform unit testing, support system testing, resolve defects, and provide production support.
  • Troubleshoot application and database issues, identify root causes, and implement permanent fixes.
  • Use strong analytical skills to resolve complex technical problems.
  • Work in an Agile development environment and participate in sprint ceremonies.
  • Use JIRA to manage tasks, defects, and development activities.
  • Conduct code reviews and ensure adherence to coding standards and best practices.
  • Mentor junior developers and support the team in delivering high-quality outcomes.
  • Maintain a strong focus on first-time-right delivery and zero defects in production.
  • Collaborate effectively with cross-functional teams and communicate clearly with stakeholders.

Benefits

  • medical, dental, and vision insurance
  • comprehensive employee assistance program
  • 401(k) retirement plan
  • paid time off and holidays
  • paid learning days
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service