Principal Mainframe Developer

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 FinSight organization delivers critical technology platforms that support DTCC’s risk management, treasury, and clearing operations. Within FinSight, the Collateral Fund Management (CFM) platform is foundational to DTCC’s financial resilience, supporting internal treasury users and external clients in managing collateral funds used to absorb losses if a clearing participant defaults.

As a Principal Software Engineer / Assistant Director, you will provide technical, delivery, and operational leadership for the modernization of CFM batch and mainframe processing. You will lead the transformation of legacy COBOL and mainframe‑centric batch flows into modern, cloud‑based, distributed solutions, while preserving business rules, financial controls, resiliency, and regulatory integrity.

This role is accountable for driving and de‑risking end‑to‑end modernization delivery, strengthening architectural and design governance, and aligning CFM transformation initiatives with DTCC’s broader enterprise modernization strategy. You will also mentor and guide technical and delivery teams across multiple modernization initiatives to ensure stable, compliant, and business‑critical outcomes.

Your Primary Responsibilities:

• Lead the end‑to‑end delivery of CFM batch and mainframe modernization initiatives

• Drive the transformation of legacy COBOL and mainframe‑centric batch processing to modern, distributed, cloud‑based solutions

• Provide architectural and design governance to ensure solutions align with DTCC standards and long‑term strategy

• Strengthen transparency and observability across batch processing ecosystems

• Coordinate cross‑functional execution across engineering, QA, infrastructure, architecture, and business teams

• Ensure financial controls, regulatory compliance, risk management, and resiliency are embedded into all solutions

• Mentor and guide technical and delivery teams, promoting high standards of engineering and execution

• De‑risk modernization delivery by identifying architectural, operational, and execution challenges early

• Support business‑critical application delivery while reducing the overall mainframe footprint

Qualifications

• Minimum 8+ years of related experience in enterprise software engineering, platform modernization, or large‑scale systems

• Bachelor’s degree preferred or equivalent professional experience

Talent Needed for Success

• Demonstrated experience delivering large‑scale, enterprise‑wide technology solutions in complex environments

• Hands‑on experience modernizing legacy or mainframe systems into cloud‑based or distributed architectures

• Proven ability to reduce dependency on legacy batch processing and simplify fragmented technology ecosystems

• Strong architectural mindset with experience strengthening design and governance standards

• Ability to improve transparency, monitoring, and observability across complex systems

• Experience aligning modernization initiatives with broader enterprise technology strategy

Technical & Delivery Strengths

• Strong working knowledge of Java and Spring Boot

• Experience designing and operating microservices‑based, distributed batch architectures

• Hands‑on experience with AWS cloud platforms

• Familiarity with Agile delivery practices; exposure to AI‑driven development approaches is a plus

Leadership & Collaboration

• Strong communication skills with the ability to engage both technical and non‑technical stakeholders

• Proven ability to mentor, guide, and influence teams across multiple disciplines

• Comfortable operating with senior leadership and business stakeholders

• Demonstrated conflict‑resolution and decision‑making capabilities

• Ability to learn quickly, operate through ambiguity and change, and help teams navigate transformation

The salary range is indicative for roles at the same level within DTCC across all US locations. 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.