The Infrastructure Technology Lead Analyst is senior level role responsible for managing Unix Infrastructure for Unified Sector teams. The overall objective is to use infrastructure technology knowledge and identified policies to process data, resolve issues and execute administrative tasks. We are looking for an individual who is Senior Unix System Administrator with 10 plus years of experience in production support preferably finance industry. This is senior role for candidates who can improve operating efficacy, time to market, client persona and bolster team morale. This is Subject matter Expert role for Unix Delivery System Administrator. We support Unified Sector Project builds for ICG Markets, CTI, GFT, GCG, Low Latency Etrading line of businesses.
Job Responsibilities:
This position involves collaboration with Solution Architect team, application team, Database team, Project manager, Portfolio manager and Production support System administrator.
Position requires skills to build RED HAT Linux/AIX servers working with Factory build team and customization later as per Application team Build sheet requirements related to file system structure, rpm deployments and other System related tasks during project phase.
New hire will support end-to-end project from Delivery design approval understanding Project artifacts to handover to Production System Administration support team during Go live phase.
This position in addition to support also needs many standardization disciplines during build.
Candidates with automation knowledge via Chef, Perl, and other programming languages preferable.
Position do involve patching, COB test and other infrastructure related tasks like lift and shift and storage migration to new devices.
Candidate needs to drive project with less monitoring in timely fashion with periodic updates to project stakeholders.
Typical day consists of design review of new projects, completing build sheet related work on servers to handover to application or DB teams as per project artifacts. Working on Go live readiness with production support SA team via matured process. Daily meetings related to ongoing projects. Change creation/closure and other documentational updates.
Weekend coverage and work expected for franchise critical projects.
Provide technical/strategic direction and act as advisor/coach to junior analysts.
Appropriately assess risk when business decisions are made, demonstrating 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 behavior, conduct and business practices, and escalating, managing, and reporting control issues with transparency.
Identify reoccurring issues and develop automation to reduce human touch.
Skills:
Red Hat 8, VERITAS Cluster experience and VVR.
Must have L3 Linux experience related to automation (Ansible / Python), security, policy, and standards.
Familiarity in creating and organizing new projects in Atlassian/Jira platform.
Good understanding of RedHat Linux 7/8, CoreOS and OpenShift.
Good understanding of KDC Entitlements, Network and Domain Services (AD, DNS, PTP / CHRONY)
Involvement with enterprise data center and EOVS migrations.
Good to have and a willingness to learn the internal and vendor purpose-built technologies that are required in support of the High Frequency trading platform.
Qualifications:
At least 8+ years of experience in Infrastructure Technologies delivery with a proven track record of operational process change and improvement.
Ability to communicate technical concepts to non-technical audience.
Ability to work with virtual and in-person teams, and work under pressure or to a deadline.
Experience in a Financial Services or large complex and/or global environment preferred.
Effective written and verbal communication skills
Effective analytic/diagnostic skills
Education:
Bachelors or Masters /University degree or equivalent experience
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Job Family Group:
Technology------------------------------------------------------
Job Family:
Infrastructure------------------------------------------------------
Time Type:
Full time------------------------------------------------------
Primary Location:
Irving Texas United States------------------------------------------------------
Primary Location Full Time Salary Range:
$125,760.00 - $188,640.00
In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.
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Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
Anticipated Posting Close Date:
Feb 19, 2026------------------------------------------------------
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.
Citi Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Citi and has not been reviewed or approved by Citi.
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Healthcare Strength — Benefits coverage is positioned as comprehensive, including health, dental, and vision insurance plus on-site clinics, prescription drug support, and disability coverage. Family-building support such as fertility assistance is described as a notable differentiator within the overall package.
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Retirement Support — Retirement benefits are framed as strong, highlighted by a 401(k) with matching and additional plan options like a Roth 401(k). Financial support is reinforced through discounts and broader financial guidance resources tied to the benefits ecosystem.
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Wellbeing & Lifestyle Benefits — Wellbeing support extends beyond insurance through programs like an Employee Assistance Program, counseling/legal resources, and gym or wellness reimbursement. These offerings increase the perceived total rewards value even when cash compensation sentiment varies by role.
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