Senior Platform Engineer, Citi

Citi

Location:
United States, New Castle, Delaware

Category:
IT - Administration

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

We are seeking a highly motivated individual with experience in the Identity and Access Management (IAM) and Information Security space. The role includes managing the full application lifecycle, providing critical security infrastructure, automating processes, and developing solutions to improve Citi's technological and security goals.

Job Responsibility:

Manage franchise critical security application infrastructure
ensure internal controls and standards adhere to Citi policies
perform system development lifecycle testing and validation
identify opportunities to automate repetitive processes using Ansible
engage with vendors, partners, and clients to improve authentication services
work with vendors and internal support groups to ensure technology stack remains current
troubleshoot incidents and problems
document resolutions in Knowledge Base tools
capacity, performance, and stability reporting and management

Requirements:

10+ years’ relevant industry experience
experience deploying Java-based/Node.JS-based Distributed Application environments
experience in Identity Access Management on Public Cloud such as AWS, GCP, Azure
managed one or more Enterprise Authentication products
onboarding new applications to OpenShift Container service environment
understanding of network concepts and CISCO networking devices
familiarity with Enterprise application servers such as IBM WebSphere, Apache Tomcat/HTTP Server, Tivoli Monitoring, Wide Load balancer setup, Virtual IP configurations
expertise in Ansible playbook creation for automation, Splunk Dashboard setup, and RLM or Udeploy tool
analyzing Authentication application metrics
experience working in Linux-based environments (RHEL, Ubuntu)
conversant in terminal commands and developing shell or Perl scripts
critical production server support, application upgrades, and project lifecycle/SDLC processes
understanding of encryption protocols (Transport-Layer Encryption, Data Transmission and At-Rest Encryption, Key Exchange protocols)
willingness to work weekends for production implementations during Green zones

Nice to have:

Experience in Multi-factor authentication and Biometric deployments
familiarity with analytical tools like Splunk, AppDynamics
experience in Cloud technologies like OpenShift, Terraform, CI/CD Pipeline, and micro services
familiarity with IT service management processes based on the ITIL framework
knowledge of production network infrastructure such as Firewalls, DNS, software/hardware load balancers, proxies
familiarity with compliance and risk-management frameworks and methodologies (ISO27002, SDLC)
security certifications such as CISSP are desired but not mandatory

What we offer:

medical, dental & vision coverage
401(k)
life, accident, and disability insurance
wellness programs
paid time off packages including planned time off, unplanned time off, and paid holidays
discretionary and formulaic incentive and retention awards

Additional Information:

Job Posted:
August 22, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior Platform Engineer