Senior Cloud Infrastructure Engineer (AWS & Networking)

We’re looking for a  Senior Cloud Infrastructure Engineer  who is strong in  enterprise networking  and passionate about  cloud migration and AWS . This is a hands-on senior role where you’ll help lead the evolution of our  hybrid on-prem + AWS infrastructure , supporting critical healthcare systems in a  HIPAA-regulated environment . If you enjoy owning infrastructure design, solving complex network challenges, and modernizing platforms in the cloud — this role is for you.

What You’ll Work On

Cloud & AWS (Core Focus)

• Design, deploy, and operate AWS infrastructure with an emphasis on  networking, security, and reliability
• Lead and support  application and infrastructure migrations  from on-prem to AWS (lift-and-shift, re-platforming, hybrid)
• Architect and manage AWS networking:
• VPCs, subnets, routing
• Security Groups, NACLs
• Site-to-site VPN, client VPN, Direct Connect (as applicable)
• Ensure AWS environments meet  HIPAA, security, availability, and DR requirements
• Partner with application and platform teams on cloud modernization
• Support Infrastructure as Code (Terraform / CloudFormation experience preferred)

Enterprise Networking

• Design, implement, and support enterprise network infrastructure:
• Layer 2 / Layer 3 switching and routing
• Firewalls, VPNs, wireless, WAN
• Own network security posture using industry best practices
• Troubleshoot complex connectivity and performance issues across on-prem and cloud
• Optimize network performance for:
• VoIP and collaboration tools
• Real-time and latency-sensitive applications
• Multi-site and SD-WAN environments
• Lead network upgrades, enhancements, and capacity planning

Reliability, Operations & Automation

• Maintain high availability, performance, and security across hybrid infrastructure
• Manage patching, upgrades, backups, and restores
• Participate in disaster recovery planning and testing
• Improve automation and repeatability of infrastructure deployments
• Participate in a rotating on-call schedule
• Act as an escalation point during major incidents

Leadership & Collaboration

• Mentor and guide junior engineers
• Lead root cause analysis and drive long-term fixes
• Collaborate with Systems, Database, Security, and Application teams
• Create and maintain clear technical documentation and runbook

Requirements

Experience

• 5+ years in enterprise network or infrastructure engineering roles
• 3+ years hands-on experience with AWS in production environments
• Proven experience supporting  hybrid on-prem + cloud  architectures
• Experience in environments with:
• Multiple data centers
• 20+ sites
• 1,000+ endpoints
• Experience with SD-WAN technologies
• Strong background in disaster recovery and business continuity

Technical Skills

• Strong Layer 3 networking fundamentals (TCP/IP, routing, firewalls, VPNs)
• Hands-on expe