Unix/Linux Support Engineer - Security Operations, Assistant Vice President

Citi; Tampa (FL); Hybrid; USD 87.000 - 131.000; Vollzeit

Benefits dieser Stelle

Hybrid work schedule

Global security exposure

Mentorship and knowledge sharing

Citi network access

Wellbeing and financial benefits

Zusammenfassung

Citi is seeking a Unix/Linux Support Engineer in Tampa, FL to join its Information Security team. The role emphasizes handling incident troubleshooting, risk assessments, and embedding security controls across systems and platforms.

You will work on health monitoring, change impact analysis, and automation improvements, with a hybrid schedule 3 days in-office and 2 remote days.

Qualifikationen

• 5+ years Linux/Windows in operations or admin roles.
• Knowledge of load balancers, proxies, firewalls.
• Familiarity with SFTP/FTPS/HTTPS and TLS/SSH.
• Clear written and verbal communication across the organization.
• Analytical mindset with attention to detail and multitasking.
• Bachelor’s degree or equivalent professional experience.

Aufgaben

• Monitor all system alerts to maintain health of critical systems.
• Troubleshoot issues, assess risk, and coordinate timely resolutions.
• Assess risk/impact of changes and escalate to management when required.
• Provide technical support for security infrastructure and applications across prod/UAT.
• Collaborate with infrastructure teams to meet security requirements during changes.
• Maintain and improve scripts and automation tools for monitoring and continuity.

Kenntnisse

Linux/Windows admin

Network security basics

SFTP/FTPS/HTTPS

Encryption protocols TLS/SSH

Communication skills

Analytical mindset

Multitasking

Ausbildung

Bachelor’s degree or equivalent experience

Tools

Tivoli

Sensu

Autosys

ServiceNow

Apache

IIS/WebLogic/WebSphere

Oracle/SQL Server

Jobbeschreibung

Citi is looking for a Unix/Linux Support Engineer (Info Security Tech Sr Analyst - C12) to join its global security operations function, playing a central role in protecting the firm’s infrastructure, applications, and data against evolving cyber threats. In this position, you will be involved in incident troubleshooting efforts, drive technical risk assessments, and ensure security controls are embedded across systems and platforms. This is an opportunity to make a measurable impact within a high-performing team operating on a global scale.

Shift Schedule:

• Shift Hours: 10:30 AM – 7:30 PM EST
• Shift Days: Sunday–Thursday or Tuesday–Saturday.

Responsibilities:

• Monitoring all system alerts to maintain health of critical systems.
• Troubleshooting various issues with clients, assessing technical risk and coordinating timely resolution across affected systems.
• Assess the risk and operational impact of all change events and system issues, escalating to technology management promptly when required.
• Provide technical application support for security infrastructure and applications across production and UAT environments, ensuring stability, capacity, and performance are actively managed.
• Collaborate with infrastructure teams to validate that operational security requirements are met during application integrations and system changes.
• Maintain and improve scripts and automation tools used for system monitoring, process efficiency, and operational continuity.

Required Qualifications & Skills:

• 5+ years of hands-on experience in Linux and Windows operating systems, in an operational or system administration capacity.
• Working knowledge of network security components including load balancers, proxy servers, and firewalls.
• Familiarity with file transfer protocols such as SFTP, FTPS, and HTTPS, as well as encryption protocols including PGP, TLS, and SSH.
• Clear and concise written and verbal communication skills, with the ability to engage effectively across all levels of the organization.
• Analytical mindset with strong attention to detail and the ability to manage multiple tasks.
• Bachelor’s degree or equivalent professional experience.

Beneficial Skills & Qualifications:

• Experience with PKI technology, certificate lifecycle management, or data encryption systems.
• Experience using monitoring or automation tools such as Tivoli, Sensu, Autosys, or ServiceNow to support operational workflows.
• Familiarity with web servers (Apache, IIS, Sun One) or application servers (WebLogic, WebSphere), along with a working understanding of database platforms such as Oracle or SQL Server.
• Scripting capability in Shell, PowerShell, SQL, or an equivalent language, applied to security operations or system automation tasks.
• Broad understanding of security architectures, network protocols, and how they interact within enterprise-scale environments.

What We Offer:

• Hybrid working arrangement with 3 days in the office and 2 days working remotely, providing flexibility alongside team collaboration.
• Exposure to complex, large-scale security challenges across a global technology environment, with the opportunity to deepen your expertise across multiple security domains.
• Structured mentorship and knowledge-sharing culture that supports continuous learning and career progression.
• Access to Citi’s global network of technology and security professionals, enabling cross-functional collaboration and broad organizational visibility.
• Wellbeing and financial support programs, alongside localized benefits tailored to your location.

Note: Applicants must be authorized to work in the U.S for this position; Citi will not sponsor applicants for U.S. work authorization for this role.

Note: Candidate must be located within commuting distance or be willing to relocate to the area.

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:

Information Security

Time Type:

Full time

Primary Location:

Tampa Florida United States

Primary Location Full Time Salary Range:

$87,280.00 - $130,920.00

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.

Most Relevant Skills

Please see the requirements listed above.

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