Infrastructure Networking Admin, On-Site Support, AVP

IT Infrastructure Site Support Manager, AVP

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About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

The Role: This position serves as a senior systems administrator and Tier 2 technical support specialist for a large campus site. The role has a primary focus on all aspects of end‑user computing (desktop/laptop) and also acts as the on‑site “smart hands” for network, A/V, and telephony infrastructure, taking direction from remote engineering teams. The ideal candidate is a subject matter expert with deep hands‑on technical skills in a multi‑platform environment (Windows/Mac) and ability to maintain the appropriate governance framework to ensure critical SLAs are consistently met.

The On‑Site Delivery team enables the firm’s technology and location strategy, supporting Workplace and Physical technology requirements within Citi Offices and Branches.

• Provide advanced Tier 2 support for the bulk of on‑site work, including Windows and Mac laptops/desktops, peripherals, and associated software.
• Perform hands‑on troubleshooting, system administration, hardware/software installations, configurations, and upgrades.
• Provide hands‑on support for all network infrastructure, physically supporting remote engineering teams with tasks related to Cisco routers/switches and other equipment.
• Provide on‑site support for AV infrastructure, telephony systems, CCTV, and structured cabling (fiber and copper) as needed.
• Administer and support core infrastructure, including tech/communications rooms and local network equipment.
• Adhere to and execute established protocols for asset management, including inventory tracking, hard drive management, and legal holds.
• Implement and validate technical changes, following strict change management procedures.
• Serve as the senior technical resource for on‑site projects and initiatives.

• 5+ years’ experience in Infrastructure Technologies delivery with operational process change and improvement.
• 5+ years of hands‑on experience in a large‑scale enterprise systems support or systems administration role with the following technologies:
• Operating Systems:
  Windows 11, macOS.
• Virtualization: VDI/Horizon.
• Directory Services:
  Active Directory.
• Hardware & Infrastructure: PC/desktop hardware, A/V conferencing systems, IP telephony, CCTV.
• Networking:
  Strong understanding of Cisco routers/switches, structured cabling (fiber and copper).
• Proven hardware and software troubleshooting expertise across Windows/Mac devices, and Cisco hardware.
• Working technical knowledge of current network protocols and standards.
• Ability to read and interpret technical manuals and procedural documentation.
• Excellent analytical, problem‑solving, and communication skills.
• Highly self‑motivated and directed with a keen attention to detail.

• Bachelor’s degree preferred, or equivalent work experience.
• Cisco and/or Windows certifications are a plus.

This job description provides a high‑level review of the types of work performed. Other job‑related duties may be assigned as required.

Job Family Group: Technology
Job Family: Infrastructure
Time Type: Full time
Primary

Location:

San Antonio, TX, United States
Primary Location Full Time Salary Range: $87,280.00 – $

Citi also offers competitive employee benefits, including medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi 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  Available offerings may vary by jurisdiction, job level, and date of hire.

Anticipated Posting Close Date:
Dec 09, 2025

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 w Citi’s EEO Policy Statement and the Know Your Rights poster.