Note: The job is a remote job and is open to candidates in USA. Lumen Solutions Group Inc. is seeking a Senior Cloud Infrastructure Engineer to lead the design, implementation, automation, and operational management of enterprise cloud infrastructure, primarily on AWS with secondary support for Azure. The role focuses on cloud modernization, security, operational excellence, and technical leadership for junior engineers.

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

Skills

• 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
• 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 the primary AWS environment
• Experience with Docker and Kubernetes
• Hands-on familiarity with AWS ECS and EKS
• 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
• 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

Benefits

• Remote with quarterly travel required for PI Planning at D.C. or Wilmington, DE

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