Linux Production Support Analyst - Application & Infrastructure Security, Citi

Citi

Location:
United States, Fort Lauderdale

Category:
IT - Administration

Contract Type:
Not provided

Salary:

90080.00 - 135120.00 USD / Year

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Job Description:

The Linux Production Support Analyst is an intermediate level position responsible to help maintain, certify, and ensure that Citi's Security Infrastructure and Security Applications remain in consistent adherence to MISP (Malware Information Sharing Platform) as regulated and required by the OCC. This is a production support role and will require close collaboration with internal, highly technical teams.

Job Responsibility:

Support operations around the existing infrastructure platforms and/or applications including troubleshooting, monitoring, and remediation
Resolve infrastructure product/application escalations by collaborating with internal, highly technical teams
Splunk basic skills including research, querying data (e.g., security logs, data logs, etc.)
Perform scripting in Bash/Shell
Maintain, track, and complete assigned tickets in the ticketing system queue
Resolve any vulnerabilities or issues detected in an application or infrastructure
Analyze source code to mitigate identified weaknesses and vulnerabilities within the system
Review and validate automated testing results and prioritize actions to resolve issues based on overall risk in ranked order
Scan and analyze applications with automated tools and perform manual testing if necessary
Good working knowledge of networking protocols, security strategies, and application management for troubleshooting
Identify opportunities to automate and standardize information security controls when possible
Reduce risk by analyzing the root cause of issues, their impact, and required corrective actions
Direct the development and delivery of secure solutions by coordinating with business and technical contacts

Requirements:

4+ years' experience working hands-on with Linux
3+ years' IT Security Production Support experience in Security Infrastructure or Security Application support
Basic Bash/Shell Scripting at minimum
Prior experience with Splunk Core or Splunk ES is a big plus
Must be a self-starter able to effectively manage time in alignment to timelines
Ability to work well under pressure and clearly articulate to management regarding any arising problems, escalations, etc.
Consistent adherence to domain process and procedures
Good understanding of Big Data/Data Lake platforms or environments
Ability to troubleshoot and support multiple applications within the domain
Experience with Jira or ServiceNow is a plus
Excellent communication and process documentation skills
Bilingual Spanish is a plus

Nice to have:

Bilingual Spanish
Linux certifications (e.g., Linux SA)

What we offer:

medical, dental & vision coverage
401(k)
life, accident, and disability insurance
wellness programs
paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays

Additional Information:

Job Posted:
April 30, 2025

Expiration:
May 06, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Linux Production Support Analyst - Application & Infrastructure Security