Senior Cloud Infrastructure Engineer
Lumen Solutions Group Inc•Washington, DC
•Remote
About The Position
Lumen Solutions Group Inc. is seeking an experienced Senior Cloud Infrastructure Engineer to lead the design, implementation, automation, and operational management of enterprise cloud infrastructure, primarily on AWS, with secondary support for Microsoft Azure. The role focuses on infrastructure automation, cloud modernization, security best practices, operational excellence, and technical guidance for junior engineers. The position is based in Washington, DC, and is remote with quarterly travel to Washington, DC, or Wilmington, DE, for PI Planning. It is a contract role.
Requirements
- Minimum 5 years of hands-on cloud infrastructure and application experience.
- Strong expertise in AWS cloud infrastructure design, implementation, and operations.
- Hands-on experience designing and managing enterprise AWS environments.
- Experience with Amazon EC2, VPC, Route 53, Application Load Balancer (ALB), and Network Load Balancer (NLB).
- Proficiency in S3, IAM, CloudWatch, AWS Systems Manager (SSM), RDS, and Lambda.
- Experience with Amazon ECS and EKS, high availability, scalability, networking, and cloud security.
- Hands-on experience with Terraform and/or AWS CloudFormation.
- Scripting proficiency in Python, PowerShell, or Bash.
- Experience automating infrastructure provisioning and configuration management.
- Familiarity with Git-based source control and CI/CD pipelines.
- Strong understanding of DNS, TCP/IP, VPNs, firewalls, and hybrid cloud connectivity.
- Experience with IAM, secrets management, and cloud security controls.
- Knowledge of cloud governance, compliance, and security best practices.
- Working experience with Azure Virtual Machines, Virtual Networks (VNETs), and Azure Storage; knowledge of Azure IAM and Azure Backup; ability to support Azure infrastructure alongside AWS.
- Experience with Docker and Kubernetes and understanding of CI/CD pipelines and Git-based development workflows.
- Strong troubleshooting, incident management, and root-cause analysis skills.
- Experience with disaster recovery, backup, and business continuity planning.
- Knowledge of cloud migration, modernization, and infrastructure optimization.
- Ability to mentor junior engineers and collaborate across technical teams.
- Strong communication, ownership, and independent problem-solving skills.
Responsibilities
- Design, architect, deploy, and manage secure, scalable, and highly available AWS infrastructure.
- Lead cloud migration, modernization, and infrastructure optimization initiatives.
- Develop and maintain Infrastructure as Code using Terraform, AWS CloudFormation, or comparable tools.
- Automate infrastructure provisioning, configuration management, patching, and operational workflows.
- Design and implement cloud landing zones and reusable infrastructure templates.
- Establish cloud governance, security standards, and infrastructure best practices.
- Design and maintain backup, disaster recovery, and business continuity solutions.
- Troubleshoot complex cloud infrastructure, networking, and application integration issues.
- Provide secondary support for Microsoft Azure infrastructure.
- Collaborate with DevOps, Security, Networking, and Application Development teams.
- Mentor junior cloud engineers and provide technical leadership across cloud initiatives.
- Own production issues, perform root-cause analysis, and ensure timely resolution.
- Drive operational improvements and independently resolve complex infrastructure issues.
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What This Job Offers
Career Level
Senior
Education Level
No Education Listed
