Senior Application Support Engineer – Distributed & Mainframe

Job-:
Information Technology

Location:

Dallas, TX, United States;
Tampa, FL, United States

Schedule:

Full time Posted:
Closes:
Salary Range:
Senior Associate-75,-USDFeatured Opportunities:
No

FLSA Status:
Exempt Are you ready to make an impact at DTCC?
Do you want to work on innovative projects, collaborate with a dynamic and supportive team, and receive investment in your professional development? At DTCC, we are at the forefront of innovation in the financial markets. 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.
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.

DTCC offers a flexible/hybrid model of 3 days onsite and 2 days remote (onsite Tuesdays, Wednesdays and a third day unique to each team or employee).The Impact You Will Have in This Role As an Senior Associate Application Support Engineer, you will play a key role in supporting mission-critical applications across mainframe and distributed platforms that are essential to everyday business operations.

You will work in a hands-on production support environment focused on system stability, incident resolution, and continuous improvement.

This role offers strong exposure to enterprise systems and provides an opportunity to build expertise in application support, root cause analysis, and platform reliability.

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

Monitor application dashboards and alerts to proactively identify and mitigate potential issues

Collaborate with team members to resolve application alerts and escalate when necessary

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

Provide input into application design by identifying gaps and improving supportability and reliability

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

Qualifications

Bachelor’s degree preferred or equivalent practical experience6-8 years of experience in application support, production support, or similar role 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

Working knowledge of Unix/Linux, Windows, Mainframe, and SQL/PLSQLFamiliarity with SQL and relational databases

Expo…