Citi · 1 week ago
Lead Application Reliability Engineer
Irving, TX
Full-time
Onsite
Senior Level, Lead/Staff
$126K/yr - $189K/yr
6+ years expCiti, the leading global bank, is seeking a highly skilled Lead Application Reliability Engineer to support and advance their threat-modeling platform. The role involves ensuring the continuous availability, optimal performance, and security of a critical application, while leveraging modern DevOps principles to drive stability and efficiency.
BankingFinanceFinancial Services
Responsibilities
Ensure high availability and optimal performance of the threat-modeling application through proactive monitoring, incident management, and efficient troubleshooting
Perform routine and emergency application and infrastructure maintenance, including patching, upgrades, and configuration management, adhering strictly to change control procedures
Conduct root cause analysis (RCA) for production incidents and implement preventative measures to minimize future occurrences
Develop and maintain automation scripts and tools (e.g., using Python, Bash) to streamline operational tasks, improve monitoring, and facilitate efficient deployments
Proactively identify, recommend, and implement enhancements to existing application maintenance practices, operational workflows, and system reliability
Serve as a technology subject matter expert for internal and external stakeholders, contributing to technology domain roadmaps and firm-mandated controls and compliance initiatives
Appropriately assess and mitigate risk in all technical decisions, ensuring compliance with applicable laws, rules, regulations, and internal policies, while escalating and reporting control issues with transparency
Present technical work to senior stakeholders, the team, and other technical teams
Mentor and train junior team members, fostering a culture of knowledge sharing and continuous improvement
Qualification
Required
6+ years of relevant experience in an Engineering role, preferably in Financial Services or a large, complex, and/or global environment
Experience managing and troubleshooting Linux Operating Systems (e.g., Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu), including System Administration Tasks like User Management, Service Restarts, and File System Checks – Must Have
Proficiency in Scripting for Automation (e.g., Bash, Python) and with Configuration Management Tools (e.g., Ansible, Puppet, Chef) for system administration and infrastructure automation – Must Have
Experience with container orchestration using Helm and Kubernetes on platforms like AWS EKS, GCP GKE, or OpenShift – Must Have
Working knowledge of Relational Databases (e.g., PostgreSQL), including basic querying – Must Have
Proven track record of maintaining applications and their technology stacks compliant with security and configuration requirements, including successfully passing internal and external security audits by demonstrating secure configuration of applications and infrastructure (e.g., implementing least privilege access, hardening OS, managing firewall rules) and ensuring continuous compliance with regulatory standards (e.g., SOX, GDPR) through automated checks and reporting – Must Have
Demonstrated adherence to strict change control procedures, executing all changes (e.g., code deployments, infrastructure updates) through a formalized change management process (e.g., ITSM, ServiceNow) with proper documentation and approvals – Must Have
Experience with Ticketing Systems (e.g., Jira, ServiceNow) – Must Have
Working understanding of Middleware Components (e.g., Nginx, Tomcat or equivalents)
Familiarity with Development Concepts (e.g., Git, CI/CD, Pipelines, SDLC)
Strong communication skills, both written and verbal, for technical and non-technical audiences
Demonstrated analytical and diagnostic skills, with an ability to identify process improvements and best practices
Ability to work independently, manage multiple tasks, take ownership of initiatives, and operate effectively in a matrixed environment under pressure and tight deadlines
Bachelor's degree/University degree or equivalent experience
Preferred
Associate Level Certification Required: •(Require a Minimum of 1 or more of the following) Kubernetes and Cloud Native Associate (KCNA), Certified Kubernetes Application Developer (CKAD), Certified Kubernetes Administrator (CKA), Kubernetes and Cloud Native Security Associate (KCSA)
Red Hat Certified System Administrator or like certification
AWS Certified Developer, AWS Certified SysOps Administrator
CompTIA Cloud+
Google Associate Cloud Engineer or other GCP certification
HashiCorp Certified: Terraform Associate
Associate Cybersecurity Certification: •(Not required but any of the following would be a plus) GIAC Security Essentials (GSEC)
ISC2 Systems Security Certified Practitioner (SSCP)
CompTIA CySA+
Microsoft Certified: Security Operations Analyst Associate; Information Protection Administrator Associate
Benefits
Medical, dental & vision coverage
401(k)
Life, accident, and disability insurance
Wellness programs
Paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays
Company
Citi
Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress.
10001+ employees
H1B Sponsorship
Citi has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1386)
2024 (849)
2023 (1375)
2022 (1117)
2021 (876)
2020 (901)
Funding
Current Stage
Late StageLeadership Team
James Monahan
Managing Director / Global Head of Asset Servicing
Naveed Sultan
Managing Director, Chairman, Institutional Clients Group
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