Infrastructure and DevOps Engineer

Citi•Mississauga, ON

3d•Onsite

About The Position

We are seeking a highly motivated Infrastructure & DevOps Engineer to join our Fixed Income Technology team. This role is pivotal in ensuring the seamless operation and continuous improvement of our critical IT infrastructure, acting as the primary liaison between development, Citi infrastructure, QA, SA, DBA, and Production support. You will be instrumental in building and maintaining a highly scalable, resilient, and secure DevOps ecosystem, directly impacting low-latency trading systems, real-time risk analytics, and regulatory compliance frameworks across multiple geographies.

Requirements

Bachelor’s/University degree or equivalent experience.
6+ years of experience in Infrastructure Technologies and DevOps, preferably within a global financial institution.
Strong proficiency in Unix/Linux OS fundamentals, command-line operations, and environment setup.
Expertise in Python, Shell scripting, and Ansible for automation and task orchestration.
Hands-on experience with Terraform and Ansible.
In-depth knowledge of Docker, Kubernetes (K8s), and OpenShift in high-performance environments.
Experience with Udeploy, Jenkins, Bitbucket, Github tools, and Harness.
Knowledge of Virtual IP/Wide IP, Load Balancing, Network Always-on design, Firewalls, Certificates, SSL, and connectivity.
Experience with platform migration and upgrade activities (e.g., OS and DB migrations).
Strong background in monitoring, observability, and logging solutions (Prometheus, Grafana, ELK Stack, Splunk, Datadog).
Ability to troubleshoot production incidents quickly and efficiently in a high-pressure trading environment.
Excellent stakeholder management and coordination skills.
Experience in building and consuming APIs.
Working experience with CyberArk and AIM Integration.
Expertise in designing SQL databases and writing SQL scripts/procedures, and BI Tools.

Responsibilities

Lead infrastructure activities including server builds, software installation, configuration, and environment setup, with a focus on OS and software EOVS remediation.
Implement Infrastructure-as-Code (IaC) solutions using Terraform and Ansible for cloud and on-prem environments.
Deploy and manage microservices using Kubernetes, Docker, and OpenShift.
Monitor, troubleshoot, and optimize build, test, and deployment workflows to enhance reliability and performance of global trading applications.
Drive security best practices in DevOps pipelines, including secrets management, policy as code, and compliance automation.
Develop automated solutions for repetitive tasks using Python and Shell scripting.
Configure application frameworks (e.g., IBM WebSphere, WebLogic, Tomcat), messaging services, and troubleshoot complex application setup and deployment issues.
Contribute to technical direction and strategic decisions, driving solutions to prevent recurring issues and improving overall infrastructure stability.
Create project plans, perform impact analyses, resolve high-impact problems, restore services, and lead Root Cause Analysis (RCA).
Coordinate infrastructure activities with various teams and maintain comprehensive documentation for processes and guidelines.