Senior Cloud Infrastructure Engineer

Company Description 
Lumen Solutions Group Inc. is a technology consulting Services company based in Florida. We provide a wide array of experienced business and IT professionals supporting clients from solution design to implementation and support. We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, and Enterprise Transformation. 
 

Job Role: Senior Cloud Infrastructure Engineer
Job Location: Washington, DC (Remote with Quarterly Travel required for PI Planning at D.C. or Wilmington, DE)
Job Type: Contract
 
JOB SUMMARY
We are 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 ideal candidate will have extensive hands-on cloud engineering experience, strong infrastructure architecture skills, and a proven ability to build secure, scalable, and highly available cloud environments. This role will focus on infrastructure automation, cloud modernization, security best practices, operational excellence, and providing technical guidance to junior engineers.
Key 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 (IaC) 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 (DR), 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.

 
Required Technical Skills
1. AWS Cloud Infrastructure

• Strong 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, EKS, high availability, scalability, networking, and cloud security.

 
2. Infrastructure as Code (IaC) and Automation

• 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.

 
3. Cloud Networking and Security

• 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.

 
4. Microsoft Azure

• 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 the primary AWS environment.

 
5. Containers and DevOps

• Experience with Docker and Kubernetes.
• Hands-on familiarity with AWS ECS and EKS.
• Understanding of CI/CD pipelines and Git-based development workflows.

 
6. Cloud Operations and Technical Leadership

• 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.

 
Required Qualifications

• Minimum 5 years of hands-on cloud infrastructure and application experience.
• Strong expertise in AWS cloud infrastructure design, implementation, and operations.
• Practical experience with Infrastructure as Code, scripting, automation, and cloud security.
• Ability to independently troubleshoot complex infrastructure issues and drive operational improvements.

Lumen Solutions Group Inc is an equal opportunity employer. All qualified applicants will be considered for employment without regard to any legally protected status.