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.

As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.

Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.

NOTE: Regular weekend work is required on rotational basis for this role.

For example, shifts can be:

• Tues

• Sat (9:00am-6:00pm EST)

• Sun

• Thurs (9:00am-6:00pm EST)

• Mon

• Fri (9:00am-6:00pm EST)

Responsibilities:

• Support business and work with System administrators, developers, and analysts with troubleshooting issues.
• Perform change management and incident management utilizing documented procedures through change management tools
• Support service recovery procedures
• Participate in Problem Management processes to identify solutions for recurring problems.
• Document problem resolutions and publish knowledgebase.
• Work with vendor support, System administrators / architects on a regular basis and track issues to closure as a Subject Matter Expert.
• Support maintenance and migrations on the Authentication infrastructure.
• Support Mobile App releases to major mobile markets (Apple and Google store)
• Regular weekend work and 12/7 L3 Operations support is expected.

Must-have Skills:

• 5+ years of relevant industry experience in one or more of the following Authentication products for Mobile Biometrics would be advantageous.
• Proficiency and understanding Unix shell, support of patching activities.
• Experience supporting REST and SOAP API web services calls
• Experience with Multifactor Authentication systems using Voice, Mobile Soft Tokens and SMS OTP.
• Experience with Middleware Products like IBM/Apache HTTP Server and Application servers IBM WASND/Tomcat Servers.
• Conversant in Linux-based environments (RHEL) that includes being conversant in terminal commands and developing shell scripts.
• Experience with critical production server support, application upgrades and project lifecycle/ SDLC processes.
• Experience with Mobile Security and Publishing to Apple and Google Play Store.

Desired Skills:

• Good knowledge on Mobile development Platforms (IOS, Android).
• Experience with supporting one-time password technology using Voice, SMS, and Biometrics products
• Experience in High-level Programming languages like JAVA and Unix shell scripting.
• Experience working in Production Support
• Linux experience is highly desirable for this role.
• Familiarity with IT Service Management processes based on the ITIL framework

Education:

• Bachelor’s degree/University degree or equivalent experience

Job Family Group:

Technology

Job Family:

Information Security:

Time Type:

Full time

Primary Location:

New Castle Delaware 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.

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:

Mar 09, 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.