Mainframe Developer

Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Mainframe Developer, you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. If so, consider an opportunity with Deloitte under our Project Delivery Talent Model. Project Delivery Model (PDM) is a talent model that is tailored specifically for long‑term, onsite client service delivery.

Develop, enhance, and provide production support for Legacy Finance & Accounting (F&A) applications in the mainframe environment (incidents, defects, minor enhancements, and release support). Troubleshoot end‑to‑end issues across batch/online processing, interfaces, and upstream/downstream dependencies; perform root cause analysis and implement preventive fixes. Provide additional support for Databricks and Billing systems, coordinating with product/engineering partners to deliver prioritized work and maintain service stability.

Communicate regularly with Engagement Managers (Directors), project team members, and representatives from various functional and/or technical teams, including escalating any matters that require additional attention and consideration from engagement management.

3+ years of hands‑on experience developing and supporting mainframe‑based Finance & Accounting applications (legacy F&A production support).

3+ Years of Strong troubleshooting skills in production environments (job/batch monitoring, log analysis, incident/problem management, and release/hypercare).

3+ Years Working knowledge of Databricks (pipelines/jobs, data troubleshooting, operational monitoring) and experience supporting Billing‑related systems/processes.

3+ Years experience collaborating with cross‑functional teams (including offshore) and communicate clearly with business and technical stakeholders.

Bachelor's degree, preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience

• Analytical ability to manage multiple projects and prioritize tasks into manageable work products.
• Can operate independently or with minimum supervision.
• Excellent Written and Communication Skills.
• Ability to deliver technical demonstrations.

Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve.

Information for applicants with a need for accommodation:

Deloitte is committed to providing reasonable accommodations for people with disabilities. If you require a reasonable accommodation to participate in the recruiting process, please direct your inquiries to the Global Call Center (GCC) at

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law.

As used in this posting, "Deloitte" means Deloitte Consulting LLP, a subsidiary of Deloitte LLP. Please see  for a detailed description of the legal structure of Deloitte LLP and its subsidiaries.