Principal Database Administrator/DBA (Mainframe Db2 z/OS)

### Job Description:

### Note: Fidelity will not provide immigration sponsorship for this position.

### The Role

This role is responsible for the reliability, performance, and availability of Fidelity’s mission-critical Mainframe Db2 z/OS database platforms supporting high-volume brokerage and trading applications.

As a DBA you will play a hands-on, senior technical role supporting day-to-day database administration operations while also influencing database architecture, replication strategy, and platform modernization.

Key Responsibilities

• Support and maintain large-scale Db2 databases on z/OS for business-critical trading and brokerage applications
• Design, configure, and maintain low-latency data replication using IBM IIDR (Q Rep / CDC) in Active-Active and Active-Passive architectures
• Perform proactive performance analysis and tuning to ensure optimal response times and system stability
• Lead troubleshooting and rapid resolution of complex, time-sensitive production issues with a strong sense of ownership and attention to detail
• Participate in an on-call rotation to provide 24x7 production support for critical database platforms
• Collaborate with application teams, infrastructure partners, and vendors to deliver resilient, scalable database solutions

### The Expertise and Skills You Bring

Required Qualifications

• Extensive hands-on experience managing large, complex mainframe Db2 z/OS database environments
• Deep expertise with IBM IIDR replication technologies (Q Rep / CDC), including setup, monitoring, tuning, and troubleshooting
• Strong skills in Db2 utilities, SQL, JCL, and working knowledge of COBOL application interactions
• Proven experience supporting mission-critical production systems with strict SLAs
• Excellent communication skills and ability to work effectively across applications, infrastructure, and vendor teams

Preferred / Nice to Have

* Experience integrating mainframe data platforms wit...