Are you ready to make an impact at DTCC

We are seeking a skilled and detail-oriented Mainframe Engineer to support, maintain, and optimize our enterprise mainframe systems. This role is critical to maintaining the performance, security, and reliability of our mainframe infrastructure, which underpins essential operations such as transaction processing. The ideal candidate will have experience with IBM z/OS environments, JCL, and mainframe utilities, and will play a key role in ensuring the reliability, performance, and security of our core systems.

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 perks
- 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 Systems Engineering family is responsible for the entire technical effort to evolve and verify solutions that satisfy client needs. The primary focus is centered on reducing risk and improving the efficiency, performance, stability, security, and quality of all systems and platforms.

The Platform

Hosting & Engineering role specializes in the development, implementation, and support of all distributed, mainframe, and network hosting services across the firm. Responsible for the installation, configuration, programming, and support of operating systems, complex networks, and distributed environments, deploying solutions to increase overall system reliability across the firm.

Your Primary Responsibilities:





- Maintain and optimize IBM z/OS mainframe environments supporting core applications.
- Maintain and support IBM mainframe systems including CICS, MQ, WAS, JES2, Storage devices, coupling facilities, and related subsystems.
- Develop, test, and deploy JCL scripts, REXX programs, and OTS ISV products.
- Monitor system performance and troubleshoot hardware/software issues.
- Provide immediate support for production issues related to areas of expertise.
- Collaborate with application developers, DBAs, and Engineering Teams and Operations teams to ensure seamless implementation and a great client experience.
- Perform system upgrades, patching, and performance monitoring.
- Author system documentation and supporting documents to ensure transparency of design to minimize future maintenance costs.
- Ensure compliance with security policies, governance and audit requirements established by DTCC.
- Automate routine tasks and improve operational efficiency using tools like REXX, Ansible, or other scripting languages.
- Participate in disaster recovery planning and testing.
- On-call rotation for critical system support.
- Align risk and control processes into day to day responsibilities to monitor and mitigate risk; escalate appropriately.

Qualifications:

- Experience in mainframe systems engineering, system programming, or operations
- Proficiency in z/OS and BCP components
- Knowledge of JCL, RACF, MQ, DB2, CICS, IODF panels, mainframe networking, HMC panels
- Knowledge in mainframe performance monitoring
- Experience with mainframe monitoring tools (e.g., MainView or equivalent)
- Strong problem-solving and analytical skills
- Excellent communication and documentation abilities

Preferred qualifications, not required:

- An analytical and curious mindset

- Pattern Recognition

- High problem determination drive
- Experience in observability metrics and analysis
- Bachelor''s degree or equivalent experience

📌 Lead Platform Engineer (Chennai)
🏢 DTCC
📍 Chennai