Application & Host Security L3 Infrastructure Lead Analyst

Citigroup Inc. Irving , TX 75061

Posted 2 months ago

Info Sec Tech Lead Analyst will be responsible for the support of multiple critical security infrastructures / applications including but not limited to Citi Secure File Transfer (CitiSFT), Tectia Manager, SCpier, Global Entitlement Warehouse and Cloud IAM Automation Services infrastructures. Duties include the oversight, planning, troubleshooting, and management of all the technology components that form the above solutions. Capacity planning for infrastructure growth, as well as coordinating large scale upgrade / migration efforts is among the responsibilities of the position. The candidate will be driving the strategy with engineering and product vendors, and overseeing the cyber security risk and compliance landscape of the supported applications.

Key Responsibilities

Daily activities include:

  • Ensure compliance of all the supported applications with Citi published standards.

  • Manage operational and security risk of all products in scope

  • Manage projects aligned to organizational goals

  • Deploy and perform testing of solutions in Development and UAT environments. At all times ensure that solutions are assessed to meet operational and risk requirements

  • Work with strategic technology and business partners to define strategy and day to day operations of critical security infrastructure Interact with strategic vendors to investigate problems and understand product functionality, influence enhancements and roadmap as required to meet organizational goals

  • Support internal and external customers in leveraging/adopting Application and Host Security services

  • Collaborate with Operations team members to assist in integration related activities.

  • Troubleshooting incidents and problems in a timely resolution as defined in SLAs

  • Ensure that all tasks - having connection with the organization's activity but not detailed in the job description - charged by the manager or superior are performed and fulfilled.

The candidate will manage projects that align with our organizational goals, as well as drive strategy with our engineering partners and vendors. Also contribute to all aspects of the application infrastructure troubleshooting, analysis, and planning. Strong problem analysis and troubleshooting skills are essential. Linux knowledge is a must along with a solid understanding of file transfer protocols (SFTP/FTPS/HTTPS), encryption protocols (PGP/TLS/SSH). Regular weekend work is expected.

Development Value

In this role you will get a chance to work in a unique environment with diverse security technology implementations. Personal development is important; all of our staff acquire and maintain industry-accredited security certifications.

Knowledge and Experience

This position requires at least 5-7 years working experience with large scale production systems. Collaboration across large diverse groups, working on complicated projects and effective communication are a must for this role.

The candidate is expected to have knowledge and experience in the majority of the below:

  • Cyber security risk and compliance

  • Security vulnerabilities (infrastructure & application)

  • Cloud Security technologies

  • Linux (Red Hat)

  • File transfer protocols (SFTP/FTPS/HTTPS)

  • Encryption protocols (PGP/TLS/SSH)

  • Web / Application Server technologies (IHS, WebSphere)

  • Experience with large scale integration and hosting environments

  • Experience working on large scale projects with tight deadlines

  • The ability to work with Engineering teams and product vendors

Knowledge or experience with any of the following technologies is an advantage:

  • Axway SecureTransport

  • Symantec PGP and Encryption Management Server

  • Oracle Database SQL

  • UNIX/Linux scripting knowledge (bash, perl)

  • Familiarity with load balancers, proxy servers and firewalls

  • Cloud security, Kubernetes, containers, mobile security


  • Proficient with Microsoft Office products including Word and Excel, Power Point, Visio

  • Excellent written and verbal communication skills

  • Must have good work ethic to follow documented process

  • Strong customer and quality-focus is a must.

  • Sound problem resolution, judgment, and decision-making skills required.

  • Excellent organizational, interpersonal, and project management skills

  • Excellent communication skills both written and oral.

  • Ability to work well individually and as part of a team


  • Education Level Required: Bachelor's Degree in Engineering or Mathematics
  • ITIL / CISSP certification required or willing to get certified

Grade :All Job Level

  • All Job FunctionsAll Job Level

  • All Job Functions

  • US

Time Type :

Citi is an equal opportunity and affirmative action employer.

Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.

Citigroup Inc. and its subsidiaries ("Citi") invite all qualified interested applicants to apply for career opportunities. 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 CLICK HERE.

To view the "EEO is the Law" poster CLICK HERE. To view the EEO is the Law Supplement CLICK HERE.

To view the EEO Policy Statement CLICK HERE.

To view the Pay Transparency Posting CLICK HERE.

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Application & Host Security L3 Infrastructure Lead Analyst

Citigroup Inc.