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

About 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.

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 with distributed databases such as Oracle, PostgreSQL, and CockroachDB
• Exposure to Kafka and event-driven or streaming data architectures
• Familiarity with hybrid environments spanning on-prem and AWS cloud
• Experience contributing to platform modernization, automation, or resiliency initiatives.
• The Team
• The Mainframe DBA team manages Fidelity Brokerage's Db2 z/OS database platform and its integration with distributed and cloud-based data ecosystems.
• Certifications:
• Category:

Benefits

Additional Information

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

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