Software Engineering Senior Associate (Mainframe Developer)
Confirmed on the employer's own hiring board on Oct 4, 2026. First seen by Alion on Sep 29, 2026. Depository Trust & Clearing Corporation scores B on the Alion truth index.
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:
The Development family is responsible for creating, designing, deploying, and supporting applications, programs, and software solutions. May include research, new development, prototyping, modification, reuse, re-engineering, maintenance, or any other activities related to software products used internally or externally on product platforms supported by the firm. The software development process requires in-depth subject matter expertise in existing and emerging development methodologies, tools, and programming languages. Software Developers work closely with business partners and / or external clients in defining requirements and implementing solutions. The Software Engineering role specializes in planning, documenting technical requirements, designing, developing, and testing all software systems and applications for the firm. Works closely with architects, product managers, project management, and end-users in the development and enhancement of existing software systems and applications, proposing and recommending solutions that solve complex business problems.
Your Primary Responsibilities:
- Act as a technical expert on one or more applications utilized by DTCC
- Work with the Business System Analyst to ensure designs satisfy functional requirements
- Partner with Infrastructure to identify and deploy optimal hosting environments
- Tune application performance to eliminate and reduce issues
- Research and evaluate technical solutions consistent with DTCC technology standards
- Align risk and control processes into day to day responsibilities to monitor and mitigate risk; escalates appropriately
- Apply different software development methodologies dependent on project needs
- Contribute expertise to the design of components or individual programs, and participate in the construction and functional testing
- Support development teams, testing, troubleshooting, and production support
- Create applications and construct unit test cases that ensure compliance with functional and non-functional requirements
- Work with peers to mature ways of working, continuous integration, and continuous delivery
- Aligns risk and control processes into day to day responsibilities to monitor and mitigate risk; escalates appropriately
Qualifications:
- Minimum 7 years of hands-on mainframe application development experience.
- Bachelor's degree preferred or equivalent experience
Talents Needed for Success:
- Should be hands-on in the technical aspect who can independently drive solution design, analyze complex legacy applications, resolve critical production issues, provide technical guidance to development teams, and deliver high-quality, scalable, and resilient solutions.
- Strong expertise in COBOL, DB2 (SQL, Stored Procedures, Package/Plan concepts), CICS, JCL, MQ and ChangeMan/Endevor.
- Demonstrated experience in application design, debugging, impact analysis, and performance tuning.
- Experience working with large-scale batch and online transactional systems.
- Strong analytical, problem-solving, and communication skills.
- Proven experience leading development efforts and mentoring junior engineers.
- Experience with IBM MQ or other messaging technologies.
- Experience with schedulers such as CA Scheduler, ESP, Control-M, or CA-7
- Experience with APIs, web services, and enterprise integration patterns.
- Experience with Agile delivery methodologies and release management processes.
- Experience with modernizing legacy mainframe applications and reducing technical debt.
Financial Services, Capital Markets, Banking, Clearing, or Settlement domain experience.(nice to have)
Actual salary is determined based on the role, location, individual experience, skills, and other considerations. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.