Site Reliability Engineer (SRE)

Citi; New York (NY); Hybrid; USD 44,000 - 75,000; Full time

Benefits offered by this job

Hybrid work model

Competitive base salary

Private medical care

Job summary

Citi is hiring a Site Reliability Engineer (SRE) to strengthen monitoring, reliability, and scalability of mission-critical apps. The team embraces Generative AI, agile practices, and modern tooling.

You will design observability, implement SLOs/SLIs, and automate tasks with Python/JS/Go while resolving incidents and collaborating across teams.

Qualifications

• Proficiency in Python, Java, or Node.js.
• Experience with observability tooling and SLIs/SLOs.
• Familiarity with SDLC and Agile practices.
• Hands-on with monitoring tools (Grafana, Kibana, Prometheus, AppDynamics).
• Working knowledge of OpenShift, Tekton, and Harness pipelines.

Responsibilities

• Design, implement, and maintain monitoring solutions.
• Define and measure SLOs/SLIs for developer pipelines.
• Identify and resolve performance bottlenecks.
• Develop automation scripts (Python/JS/Go).
• Leverage Generative AI to improve automation tasks.
• Own complex incidents and drive to resolution.
• Analyze logs and metrics for root-cause analysis.
• Collaborate with teams to improve observability.

Skills

Python

Java

Node.js

Observability

SLOs/SLIs

SDLC

Agile

OpenShift

Tekton

Harness

Prometheus

AppDynamics

Tableau

Tools

OpenShift

Tekton

Harness

Prometheus

AppDynamics

Grafana

Kibana

Tableau

Job description

Site Reliability Engineer (SRE)

Job Req Id: 26985194

Location(s): Warsaw, Mazovia, Poland

Job Type: Hybrid

Posted: Aug. 11, 2026

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Site Reliability Engineer (SRE)

DevOps Support at Citi is at the cusp of a major transformation. The production support team is transitioning to a complete Site Reliability Engineering (SRE) model, leveraging established SRE principles and the latest technologies in Generative AI. We are adopting agile methodologies to advance SRE tasks focused on observability, reliability, and resiliency for our developer tools.

We are seeking a highly motivated and results-oriented Site Reliability Engineer (SRE) to join our growing team. As an SRE, you will play a critical role in ensuring the reliability, performance, and scalability of our mission-critical applications and infrastructure. The role requires you to learn and embrace multiple tenets of Support and SRE. You will be responsible for designing, implementing, and maintaining systems that deliver a seamless experience for our users.

Responsibilities

• Design, implement, and maintain monitoring solutions using tools like Grafana, Kibana, and AppDynamics.
• Define SLOs/SLIs for developer pipeline applications to ensure high availability and performance.
• Proactively identify and resolve application performance bottlenecks.
• Develop automation scripts using Python, JavaScript, or Go to streamline operational tasks.
• Focus on projects related to Generative AI and task automation.
• Take ownership of complex problems and collaborate with the team to drive them to resolution.
• Balance proactive solution-seeking with hands‑on incident resolution.
• Analyze system logs and metrics to perform root cause analysis of issues.

As an SRE, you will

• Gain exposure to cutting‑edge technologies used by Citi, such as Tekton and Harness on OpenShift.
• Gain hands‑on experience in Generative AI implementation and building automation models from idea inception to product delivery.
• Learn the end‑to‑end process of building observability for supported applications and participate in designing SLOs/SLIs to improve application performance.

Qualifications

• Proficiency in Python, Java, or Node.js (preferred).
• Good understanding of the Software Development Lifecycle (SDLC) and pipeline management.
• Basic understanding of observability principles and SLOs/SLIs.
• Experience using monitoring tools such as Grafana, Kibana, Prometheus, and AppDynamics.
• Basic working knowledge of data visualization tools like Tableau.
• Understanding of Agile concepts and processes.
• Working or theoretical knowledge of OpenShift, Tekton, and Harness pipelines.
• Excellent problem‑solving and analytical skills. Strong communication and collaboration skills.

What we can offer you

By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (currently up to 2 days working at home per week), but also (potentially, subject to final offer) receive a competitive base salary and enjoy a whole host of additional benefits which can include:

• Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program)
• Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates
• Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates
• Employee Assistance Program financed by Employer
• Paid Parental Leave Program (maternity and paternity leave; statutory and 2 weeks additional paid paternity leave)
• Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates
• Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events.
• Additional day off for volunteering
• Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform.
• Opportunity to receive an annual discretionary incentive award
• Special offers and discounts for employees
• Copy and paste the URL below into a new tab on your web browser to view the Remuneration Regulations extract: https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/RemunerationRegulations-KeyProvisions-CitibankEurope_plc_05012025_A.pdf

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive.

Job Family Group

Technology

Job Family

Applications Support

Time Type

Full time

Primary Location Full Time Salary Range

zł165,020.00 - zł280,980.00

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.