Senior Production Support Engineer Lead – OpenShift, API, and Splunk

Are you looking for a career move that will put you at the heart of a global financial institution? Then bring your skills in:

• Strong experience in Red Hat OpenShift (OSE) environments.

• Proficient in supporting and debugging RESTful APIs, including authentication, performance, and error handling.

• Expertise in Splunk: creating dashboards, alerts, and performing deep log analysis.

• Strong scripting skills (e.g., Bash, Python, or PowerShell) for automation and diagnostics.

• Working knowledge of ITIL practices and incident/problem management processes.

By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress.

Team/Role Overview

We are seeking a proactive and technically skilled Production Support Engineer to join our global support team. The ideal candidate will have hands-on experience with OpenShift (OSE), APIs, and Splunk, and will be responsible for ensuring high availability and stability of critical business applications. This role requires a strong sense of ownership, rapid incident response capabilities, and the ability to troubleshoot across complex, distributed environments. The Apps Support Senior Manager accomplishes results through the management of professional team(s) and department(s). Integrates subject matter and industry expertise within a defined area. Contributes to standards around which others will operate. Requires in-depth understanding of how areas collectively integrate within the sub-function as well as coordinate and contribute to the objectives of the entire function. Requires basic commercial awareness. Developed communication and diplomacy skills are required to guide, influence and convince others, in particular colleagues in other areas and occasional external customers. Has responsibility for volume, quality, timeliness and delivery of end results of an area.

What you’ll do:

• Provide L2/L3 production support for business-critical applications hosted on OpenShift.

• Troubleshoot and resolve application and infrastructure issues, ensuring minimal impact to end users.

• Monitor system health using Splunk dashboards and alerts; proactively identify and address anomalies. This includes weekend shifts

• Collaborate with development and DevOps teams to triage and resolve API-related performance or connectivity issues.

• Write and maintain knowledge base articles, runbooks, and post-incident reports (RCA).

• Participate in on-call rotation and major incident management.

• Automate monitoring, alerting, and operational tasks to improve reliability and efficiency

• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behaviour, conduct and business practices, and escalating, managing and reporting control issues with transparency, as well as effectively supervise the activity of others and create accountability with those who fail to maintain these standards.

What we’ll need from you:

• Familiarity with CI/CD pipelines (Jenkins, GitLab CI).

• Experience with cloud platforms (AWS, Azure, or GCP).

• Exposure to application performance monitoring tools (e.g., Dynatrace, AppDynamics, ELK, Splunk).

• Understanding of SRE principles

• Use of Automation tools such as Automation Anywhere, Run Book Automation

• Bachelor’s degree in computer science, Information Systems, or a related field (or equivalent experience).

• Effectively share information with other support team members and with other technology teams Globally while communicating appropriately to relevant stakeholders

• Ability to plan and organize workload and consistently demonstrates clear and concise written and verbal communication skills

What we can offer you:

As a Production Support Manager, you will learn a skill set full management responsibility of a team, which may include management of people, budget and planning, to include duties such as performance evaluation, compensation, hiring, disciplinary and terminations and may include budget approval.

By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed) and enjoy a whole host of additional benefits such as:

• Private Medical Care Program

• Life Insurance Program

• Pension Plan contribution (PPE Program)

• Employee Assistance Program

• Paid Parental Leave Program (maternity and paternity leave) 

• Sport Card

• Holidays Allowance

• Sport and team recreation activities

• Special offers and discounts for employees

• Access to an array of learning and development resources 

• A discretional annual performance related bonus

• A chance to make a difference with various affinity networks and charity initiatives

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. 

Sounds like Citi has everything you need. Then apply to discover the true extent of your capabilities.

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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.

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