Senior Mainframe Apps Support Analyst – Unisys

Citi; New York (NY); Hybrid; USD 36,000 - 53,000; Full time

Job summary

Citi is seeking an Apps Support Sr Analyst for Mainframe Unisys in a hybrid role in Ciudad De Mexico. The incumbent will provide technical and business support for Citi applications, ensure stability, monitor performance, and coordinate with development teams.

Responsibilities include leading same-day risk assessments, creating support docs, escalating issues, and guiding junior analysts. A Bachelor’s degree and 5–8 years in application support are favored.

Qualifications

• Bachelor’s/University degree or equivalent experience.
• 5–8 years experience in an Application Support role.
• Experience with some programming languages and willingness/ability to learn.

Responsibilities

• Provides technical and business support for Citi applications and user issues.
• Maintains and supports applications and operating environments.
• Performs start-of-day checks, monitoring, and regional handovers.
• Develops and maintains technical support documentation.
• Partners with development and production support to prioritize fixes.
• Participates in application releases from development to production.

Skills

Application support

Mainframe Unisys

Stakeholder comms

Problem management

Education

Bachelor’s/University degree

Tools

System/ODT

OPCON

DMSII

COMS

Job description

Citi is seeking an Apps Support Sr Analyst for Mainframe Unisys in a hybrid role in Ciudad De Mexico. The incumbent will provide technical and business support for Citi applications, ensure stability, monitor performance, and coordinate with development teams.

Responsibilities include leading same-day risk assessments, creating support docs, escalating issues, and guiding junior analysts. A Bachelor’s degree and 5–8 years in application support are favored.