Senior MongoDB Database Engineer

Calling all innovators – find your future ’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved.

If you want to make an impact on a global scale, come make a difference  Title Senior MongoDB Database Engineer About your role:

As a Senior MongoDB Database Engineer, you will be responsible for designing, optimizing, and operating high-throughput, low-latency MongoDB platforms supporting mission-critical workloads at enterprise scale. You will bring hands-on experience with multi-terabyte to petabyte-scale clusters and architect resilient, high-performing sharded environments under heavy production load.

What you'll do:

Lead end-to-end MongoDB performance optimization including query tuning, execution plan analysis, and index design

Design and implement scalable data models optimized for high read/write throughput and low latency

Architect and operate large-scale sharded clusters using range-based and hash-based strategies

Optimize shard key selection, chunk distribution, and balancing to prevent hotspots and improve performance

Manage cross-shard query efficiency and reduce scatter-gather impact across distributed workloads

Support large production environments (hundreds of nodes, multi-region deployments) with a focus on availability and resilience

Implement and maintain high availability, disaster recovery, and failover strategies across regions

Automate database operations, monitoring, and maintenance tasks using Python or shell scripting

Partner with application teams on data modeling, query design, and performance best practices

Participate in 24x7 on call Support Experience you'll need to have:6+ years of experience as a MongoDB Engineer or DBA in large-scale production environments6 + years of experience in MongoDB sharding, replication internals, and distributed architecture design2+ years of experience with Python, Powershell, Red Hat Linux, Mac OS, IIS, and Active Directory2+ years with cloud technologies such as Google Cloud and Azure Bachelor’s degree in computer science, or a relevant field, or an equivalent combination of education, work, or military experience

Experience that would be great to have:

Prior experience in the financial services industry

Experience with database migration projects

Prior exposure to microservices architectures, distributed systems, or streaming platforms

Knowledge of complex technologies, tools, methodologies, the enterprise architecture, and emerging technologies in the industry

Understanding of the relationship between information technology, business practices, consumer markets and industry and be able to apply that knowledge to support the needs of critical systems and projects

How you’ll work:

Fiserv emphasizes in-person collaboration to help you grow your career while shaping the future of fintech, this role is on-site Monday through Friday This role requires being on-call during non-standard and/or overnight hours on a rotational basis

This role requires flexibility to work overtime that includes weekends and holidays

This role requires use of a computer and audio equipment

Travel:

Approximately 0-5% travel off-site or to other office locations is expected#LI-CD1#MongoDB #MongoDBDBA #Database Administrator #DBA #No

SQL #Database Engineering #Database Management #Database Performance #Database Security #High Availability #Disaster Recovery #Linux #Cloud Computing #AWS #Azure #Dev Ops #SRE #Tech Jobs #ITJobs #Hiring This role is not eligible…