CALLING ALL INNOVATORS – FIND YOUR FUTURE AT FISERV.

We’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 at Fiserv.

EXPERIENCE YOU’LL NEED TO HAVE:

• 7+ years of hands-on experience in performance engineering, site reliability engineering, or a closely related technical discipline
• Advanced proficiency in SQL and database performance tuning (e.g., Oracle, PostgreSQL, MySQL)
• Deep understanding of JVM internals, memory management, and garbage collection strategies
• Strong programming skills in Java and scripting languages such as Python or Bash
• Familiarity with cloud platforms (AWS, Azure, GCP) and container orchestration technologies (e.g., Kubernetes, Docker)
• Demonstrated experience with Splunk, Dynatrace, Extrahop, Foglight, and Wireshark in production environments
• Exceptional analytical, problem-solving, communication and collaboration skills, with the ability to work effectively across cross-functional teams
• Bachelor’s degree in computer science, Engineering, or related field

EXPERIENCE THAT WOULD BE GREAT TO HAVE:

• Experience in infrastructure capacity planning and forecasting
• Background in incident management, postmortem analysis, and continuous improvement initiatives
• Relevant certifications in cloud technologies, performance engineering, or SRE practices (e.g., Google SRE, AWS Certified Solutions Architect)

ABOUT YOUR ROLE:

We are seeking a highly skilled and experienced Senior Performance & Site Reliability Engineer to join our team and take a leadership role in ensuring the performance, reliability, and scalability of our production systems. This role is ideal for a seasoned professional who thrives in dynamic environments, possesses deep technical expertise across multiple layers of the stack, and is passionate about delivering exceptional client experiences through robust and high-performing systems.
This hybrid position combines the disciplines of performance engineering and site reliability engineering, with a strong focus on production environments. The successful candidate will proactively identify and resolve performance bottlenecks, recommend and implement system optimizations, and lead incident response efforts with speed and precision. Additionally, this role will be instrumental in evaluating infrastructure readiness during client onboarding and forecasting capacity needs to support future growth.