Service Delivery Center, Senior Mainframe Engineer

About the Role

As a Technology Service Delivery Senior, you’ll be based in our Service Delivery Center, working with high-performing US-based colleagues and experienced advisory professionals. You’ll deliver Technology project-based work and managed services to clients, focusing on designing, building, testing, analyzing, delivering, and supporting Technology solutions. This fast-paced role requires flexibility, self-motivation, and the ability to manage changing priorities and learn rapidly evolving technologies. We’re seeking highly technical Mainframe Engineers to develop and maintain critical production platforms for financial services clients.

Responsibilities

• Perform detailed analysis for maintenance and enhancement projects across batch and online environments.
• Design, deploy, and support software releases into production.
• Identify root causes of problems and implement technical design solutions, including handling high-severity production issues.
• Ensure data security and execute thorough unit, functional, and regression testing.
• Own assigned workstreams independently from design through production support, with clear documentation.
• Collaborate with business, systems, operations, and vendor teams, and mentor less-experienced team members.
• Travel up to 30% of the time.

Qualifications

• BS/BA or advanced degree, or equivalent experience preferred.
• At least 3 years of relevant experience in software development for business-critical, enterprise-wide applications.
• Hands-on mainframe development skills in COBOL, CICS, DB2, VSAM, JCL, IBM Utilities, FileAID, Endevor, SQL, Debuggers, Schedulers, and IOMs.
• Experience designing, deploying, and supporting software releases into production environments.
• Strong data security skills and testing discipline.
• Experience handling high-severity production issues and identifying root causes.
• Strong documentation skills.
• Comfortable working in Agile environments and collaborating with stakeholders.

Skills

• Working knowledge and hands-on experience in COBOL, CICS, DB2, VSAM, JCL, IBM Utilities, FileAID, Endevor, SQL, Debuggers, Schedulers, and IOMs.
• Ability to perform detailed analysis for maintenance and enhancement projects.
• Strong data security and testing skills.
• Collaboration and mentoring abilities.

Preferred Skills

• Experience with COBOL/Native stored procedures.
• Mainframe modernization and hybrid mainframe–cloud integration scenarios.
• Financial brokerage domain knowledge.

Benefits

We offer a comprehensive compensation and benefits package, including medical and dental coverage, pension and 401(k) plans, and a flexible vacation policy. You’ll also receive paid time off for designated EY Paid Holidays, Winter/Summer breaks, Personal/Family Care, and other leaves to support your well-being.

Pay

The base salary range for this role varies by location:

• New York City, Boston, Washington DC Metro Areas, Washington State, Southern California: $80,300 to $149,100
• Bay Area California: $83,700 to $155,300
• All other US locations, including Sacramento: $67,000 to $136,800

Salaries are determined by factors such as education, experience, skills, and geography.

Schedule

This role requires flexibility, including the ability to travel up to 30% of the time.