Fiserv

Senior MongoDB Database Engineer

Fiserv$128K — $216K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 8+ years as an Oracle Database Engineer
  • 6+ years with Oracle 10g, 11g, 12c, 18c, 19c; ASM; Grid Infrastructure; RAC
  • 3+ years with cloud technologies and backup/restore for large databases
  • 3+ years with Exadata and Golden Gate replication
  • Bachelor's degree in computer science or relevant field, or equivalent experience

Responsibilities

  • Demonstrate expertise in Oracle tools like AWR, ASH, ADDM, and OEM
  • Collaborate with leadership and development teams to resolve information flow issues
  • Configure and manage complex database infrastructures and replication technologies
  • Monitor performance metrics to optimize database performance
  • Support multiple complex databases ensuring data integrity and accessibility
  • Conduct fail-over tests and demonstrate knowledge of networks, storage, and security
  • Implement database patches, upgrades, and migrations

Benefits

  • In-person collaboration to foster career growth
  • On-call duty during non-standard hours, including weekends
  • Flexibility for overtime
  • Minimal travel (0-5%)
Full Job Description
Job 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 environments
  • 6 + years of experience in MongoDB sharding, replication internals, and distributed architecture design
  • 2+ years of experience with Python, Powershell, RedHat Linux, Mac OS, IIS, and Active Directory
  • 2+ 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


Salary Range
$128,000.00 - $216,000.00

These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company's sole discretion.

Thank you for considering employment with Fiserv. Please:

  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

About Fiserv

CashEdge(R) provides infrastructure that global financial institutions rely on to extend their online channels and enhance customer profitability. CashEdge delivers secure Online Money Movement and Advanced Account Aggregation platforms that power specialized retail banking and advisor applications. These proven solutions enable CashEdge's clients to create compelling online offerings that attract customers, generate revenues, and reduce costs. CashEdge serves top-tier financial institutions around the world. Clients and partners include Vanguard, RBC Financial Group, CIBC, Yahoo! Finance, Digital Insight, First Data, TD Canada Trust, NYCE, Laurentian Bank, Financial Fusion and Corillian. CashEdge has offices in New York and Silicon Valley.

Fiserv Careers

Join the Fiserv team today and be part of a dynamic company known for innovation, leadership, and a commitment to the professional growth of its employees. At Fiserv, we offer more than just job opportunities; we provide a platform where skills are honed, leadership is cultivated, and career aspirations are achieved. Work You’ll Do At Fiserv, we are constantly on the lookout for talented individuals eager to thrive in a culture that fosters growth and diversity. Our team is composed of professionals who lead the way in financial services technology. By joining us, you will collaborate with some of the brightest minds in the industry, working together to solve complex challenges and deliver innovative solutions that impact millions of people every day. Explore Our Job Opportunities Whether you're seeking an entry-level position or a more senior role, Fiserv offers a range of career paths in areas such as software development, project management, financial analysis, and client services. Our hiring process is designed to identify and attract individuals who are not only technically proficient but who also embody our values of integrity and responsibility. Internship Programs Kickstart your career with a Fiserv internship. Our internships provide invaluable workplace experience and networking opportunities that often lead to full-time employment. As an intern, you’ll gain hands-on experience while working on meaningful projects that directly contribute to the company’s goals. Benefits and Culture Fiserv is committed to the well-being and continuous development of our employees. We offer competitive benefits including health, dental, and vision insurance, as well as opportunities for professional development through leadership training and diversity programs. Our culture is one of inclusion, where every team member is valued and has the opportunity to contribute to our success. Career Growth and Development We believe in nurturing the potential of our employees through career development initiatives and continuous learning opportunities. At Fiserv, you will find a supportive environment where you can grow your career through on-the-job experiences, mentoring, and formal training. Stay Connected Join Our Team Search open positions that match your skills and interests. We look for passionate, curious, creative, and solution-driven team players. Start your journey with Fiserv today and help shape the future of financial services. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. Job Alert Emails Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding career opportunities that await at Fiserv. Explore, innovate, and grow with Fiserv. Let your career journey begin here, where you can make a real difference in the world of finance.
Learn more about Fiserv
Size
44,000 employees
Market Cap
$63.4 billion
Industry
Net Income
$958 million
Founded
1984
5 Year Trend
+24.1%
Revenue
$14.8 billion
NASDAQ

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