Site Reliability Engineer
About The Position
Webull is seeking a Site Reliability Engineer to help maintain and expand the reliability, security, scalability, and resilience of its AWS-based global trading platform. The role supports infrastructure for 24/7 trading operations and works closely with Development, Security, and Network teams to optimize production environments, troubleshoot infrastructure issues, strengthen monitoring and incident response, and automate operational work. The position operates AWS production environments across multiple regions, maintains Kubernetes infrastructure, manages cloud networking and security, and supports compliance and disaster recovery. The engineer participates in an on-call rotation, leads incident troubleshooting and root-cause analysis, and helps ensure platform availability. The role is based in person at Webull’s Global HQ in St. Petersburg, Florida.
Requirements
- Bachelor’s degree in Computer Science, Information Technology, or a related technical field.
- At least 4 years of hands-on experience in cloud operations, SRE, or DevOps, including at least 3 years running production workloads on AWS.
- Solid knowledge of core AWS services, including EC2, VPC, IAM, S3, ELB, Route 53, RDS, CloudWatch, and EKS.
- Strong Linux administration and troubleshooting skills and a good understanding of TCP/IP, DNS, load balancing, VPN, and TLS.
- Production experience with Docker and Kubernetes.
- Working experience with Terraform or CloudFormation and CI/CD tools such as Jenkins, GitLab CI, GitHub Actions, or ArgoCD.
- Proficiency in Python or Shell scripting.
- Familiarity with MySQL, Redis, and Kafka in production environments.
- Experience in broker-dealer, electronic trading, or other regulated financial environments.
- Willingness to join an on-call rotation and support global trading sessions outside regular hours when needed.
Nice To Haves
- AWS Certified Solutions Architect – Associate or Professional.
- AWS Certified SysOps Administrator.
- AWS Certified DevOps Engineer – Professional or CKA.
- Experience with AWS Organizations, Control Tower, and landing-zone design.
- Interest in using AI agents or LLMs for operational automation.
- Fluency in Mandarin and English to work with global engineering hubs.
- Go programming experience.
Responsibilities
- Operate and maintain AWS production environments across multiple regions, supporting 99.99% availability for the 24/7 trading platform.
- Build and tune monitoring, logging, and alerting using CloudWatch, Prometheus, Grafana, and ELK/OpenSearch; define SLIs and SLOs and reduce alert noise.
- Participate in the on-call rotation, lead L2/L3 troubleshooting for cloud and network incidents, and drive root-cause analysis and follow-up actions.
- Provision and change infrastructure through Terraform or CloudFormation and GitOps workflows; standardize environment builds and eliminate manual console changes.
- Operate EKS/Kubernetes clusters, including upgrades, capacity planning, autoscaling, and Helm/ArgoCD-based deployments.
- Manage IAM roles and policies, Security Groups, KMS, Secrets Manager, and certificate lifecycles; support SOC 2 and FINRA/SEC audit requests and remediate security findings.
- Maintain VPC design, subnets and routing, Transit Gateway, VPC peering, PrivateLink, and Site-to-Site VPN connectivity with third-party vendors.
- Design, document, and regularly test backup, cross-region failover, and disaster recovery runbooks to meet RTO/RPO targets.
- Track cloud spending using Cost Explorer and tagging, rightsize resources, and manage Savings Plans and Reserved Instances.
- Write Python, Shell, or Go tooling, Lambda functions, and AI-assisted runbooks to automate repetitive operational tasks.
Benefits
- 100% paid medical and dental insurance for employees and dependents, plus vision insurance.
- 401(k) match.
- Commuter benefits for NY positions.
- Short-term disability coverage.
- Generous time off that increases with tenure.
- Paid parental leave, personal days, sick time, volunteer days, and company holidays.
- Fitness and wellness benefits.
- Pet insurance.
- Tuition reimbursement for relevant degrees, certifications, and training.
- Catered breakfast on Mondays and lunches on Fridays, fully stocked kitchens, and monthly happy hours.
- Discretionary bonus.
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
