AWS CloudOps Engineer

Company Description For More Open Positions Visit us at: http://recruiting.woongjininc.com/ Our Mission WOONGJIN, Inc. is a rapidly growing team who provides a range of unique, exceptional, and enhanced services to our clients. We have a strong moral code that includes the service of goodness without expectations of reward. We are motivated by the sense of responsibility and servant leadership. Benefits Medical Insurance Vision Insurance Dental Insurance 401(k) Paid Sick hours Job Description Senior CloudOps Engineer with 6+ years of experience operating carrier-grade AWS and hybrid cloud platforms supporting telecom, data engineering, and high-throughput network workloads. Specialized in AWS–on-prem integration, private networking, secure data movement, and cost-controlled production operations. Designed and operated hybrid AWS + on-prem architectures using Site-to-Site VPN, Direct Connect, Transit Gateway, and private routing for telecom data flows Built secure, isolated VPC environments for multiple customers using VPC peering, PrivateLink, NLB/ALB, and Route 53 private DNS Supported telecom data pipelines (4G/5G RAN, KPI feeds, CDRs) ingesting TB-scale data into AWS via SFTP, private links, and batch pipelines Owned production EC2 and container platforms (ECS/EKS) running analytics, monitoring, and customer-facing services Implemented network-level security using Security Groups, NACLs, firewall rules, private subnets, and endpoint policies Built high-availability and failover designs across Availability Zones and regions for customer-critical services Led incident response and RCA for network failures, SFTP outages, latency issues, and data pipeline disruptions Automated infrastructure using Terraform and CloudFormation for VPCs, routing, IAM, and service deployments Implemented end-to-end observability for network, compute, and data pipelines using CloudWatch, Prometheus, and centralized logging Controlled AWS and data-transfer costs through right-sizing, Savings Plans, S3 lifecycle policies, and cost dashboards Designed backup and DR for both cloud and hybrid workloads using snapshots, replication, and cross-region restores Qualifications AWS & Platform Stack EC2, Auto Scaling, ECS, EKS, Lambda VPC, Transit Gateway, PrivateLink, ALB, NLB, Route 53, VPN, Direct Connect S3, EBS, EFS, Glacier RDS, Aurora, DynamoDB IAM, KMS, Secrets Manager, GuardDuty, CloudTrail, Config Terraform, CloudFormation, GitHub Actions, Jenkins Linux, Bash, networking, firewalls, SFTP, private routing Additional Information All your information will be kept confidential according to EEO guidelines. • • • NO C2C • • •