Application Support Engineer – Distributed & Mainframe

The Role

At DTCC, we are committed to helping our employees grow and succeed. We believe that you have the skills and drive to make a real impact. We foster a thriving internal community and are committed to creating a workplace that looks like the world that we serve.

Information Technology Group

The Information Technology group delivers secure, reliable technology solutions that enable DTCC to be the trusted infrastructure of the global capital markets. The team delivers high-quality information through activities that include development of essential, building infrastructure capabilities to meet client needs and implementing data standards and governance.

Pay and Benefits

• Competitive compensation, including base pay and annual incentive
• Comprehensive health and life insurance and well-being benefits, based on location
• Pension / Retirement benefits
• Paid Time Off and Personal/Family Care, and other leaves of absence when needed to support your physical, financial, and emotional well-being

Work Schedule

• This role requires a Sunday–Thursday schedule
• Standard workday hours apply, aligned to team needs

Your Primary Responsibilities

• Analyze application issues and incidents to identify root causes and prevent recurrence
• Provide day-to-day production support for applications across mainframe and distributed environments
• Maintain and enhance runbooks, knowledge base, and standard operating procedures
• Support batch processing, job scheduling, and automation, ensuring processes meet expected thresholds
• Execute Disaster Recovery (DR) procedures during planned or unplanned outages and capture required documentation
• Perform routine operational activities such as service account maintenance (e.g., password rotations)
• Resolve production defects and support minor enhancements as needed
• Support audit requests by gathering required documentation and evidence
• Follow risk and control processes as part of daily responsibilities and escalate issues appropriately

Talent Needed for Success

• Hands-on experience in application or production support environments
• Experience supporting mainframe applications (required)
• Working knowledge of Unix/Linux and Windows environments
• Familiarity with SQL and relational databases
• Exposure to monitoring and observability tools
• Strong problem-solving, troubleshooting, and root cause analysis skills
• Experience with incident, problem, and change management processes (ITIL preferred)
• Familiarity with job scheduling and batch processing systems
• Basic understanding of application architecture and development concepts
• Strong communication skills and ability to collaborate across teams
• Ability to work in a fast-paced production support environment with a strong sense of ownership and urgency