Site Reliability Engineer – 3rd Line Support

Site Reliability Engineer – 3rd Line Support

Location: Poland

Work Model: Hybrid (1 day a week in the office at any Cognizant location)

We’re expanding our engineering teams to support a strategic initiative in the financial domain. As a global tech partner with over 30 years of experience, we help leading organizations modernize their tech stacks and deliver outstanding digital experiences.

About the Role

We’re looking for a talented and driven Engineer who will provide Level 3 production support for critical applications (e.g., payment or transaction systems). Combines strong troubleshooting and debugging skills with deep system knowledge, ensuring quick recovery from incidents and high service availability.

Key Responsibilities

• Deliver L3 24/7 support and participate in on-call rotation
• Conduct deep-dive troubleshooting across apps, databases, VMs, and networks.
• Analyze logs and metrics using Splunk, Prometheus, Grafana.
• Support and monitor Kafka, Cassandra, and related messaging systems.
• Collaborate with development teams to debug, test, and release fixes
• Provide architectural guidance to improve performance, cost, and reliability.
• Troubleshoot multi-tier Java/J2EE applications (Spring, Hibernate, JDBC, MQ, Web Services).
• Work on Unix/Linux/Windows environments.
• Conduct RCA, bug fixing, and cross-team coordination during production issues.

Requirements

• 4–8 years of experience in production support or SRE.
• Expert in incident management and problem resolution.
• Proficient with observability tools and scripting (Python/Bash).
• Familiar with Java-based enterprise environments.

Preferred Qualifications

• Experience in financial services (banking, payments)
• Comfortable in fast-paced, evolving environments

What We Offer

• Private healthcare, life insurance, and cafeteria benefits
• Training programs and certifications
• Volunteering opportunities and an inclusive culture
• Employee referral program
• Collaborative and innovative work environment

For more information about Cognizant, visit https://www.cognizant.com/en-pl/

Interested? Apply online today!

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The Cognizant community:

We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.

• Cognizant is a global community with more than 300,000 associates around the world.
• We don’t just dream of a better way – we make it happen.
• We take care of our people, clients, company, communities and climate by doing what’s right.
• We foster an innovative environment where you can build the career path that’s right for you.

About us:

Cognizant is one of the world’s leading professional services companies, transforming clients’ business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ-100 and one of Forbes World’s Best Employers 2024) is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Disclaimer:

Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

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