Infrastructure Engineer

Senior Infrastructure Engineer

Our client seeks a Senior Infrastructure Engineer to manage and optimize on-premises and cloud network environments. The role supports network hardware, monitoring tools, and core services across data centers and cloud platforms. It requires collaboration across infrastructure teams, implementation of network security best practices, and participation in after-hours maintenance twice per month. This hybrid position is based in Washington, DC.

Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $60.00 to $70.00/hr. w2

Responsibilities:

• Perform ongoing network maintenance, diagnostics, and design for 500+ nodes across multiple locations.
• Administer switches, routers, firewalls, wireless access controllers, load balancers, and DNS/DHCP.
• Monitor network performance and troubleshoot network-related issues.
• Manage and optimize cloud network architectures in AWS and Google Cloud to support business applications and services.
• Configure and maintain VPCs, VPNs, Direct Connect, Transit Gateways, and hybrid cloud connectivity.
• Work with support staff to provide prompt resolution of network problems and requests.
• Collaborate with Workplace, Windows, Linux, Storage, Database, and Cloud teams.
• Implement network security best practices, including firewalls, NAC, and segmentation strategies across on-premises and cloud environments.
• Work with ISPs to ensure reliable Internet connectivity and performance.
• Provide services outside of core working hours as required, including after-hours maintenance twice per month.
• Work on-site several days each week with minimal travel as needed.

Experience Requirements:

• Five or more years of hands-on experience with:
• Cisco switching, routing (OSPF, BGP), firewalls (access-lists, VPN tunnels, remote access), and wireless access.
• F5 load balancing, Cisco ISE, WAF, and DNS/DHCP experience preferred.
• Network monitoring and management tools such as Site24x7, SevOne, or equivalents, and cloud-native monitoring.
• Experience with AWS Cloud including VPC, EC2, ALB/NLB, Transit Gateway, Routing, Security Groups/NACLs, Network Firewall, VPN, Direct Connect, CloudFormation, and IAM roles.
• Strong troubleshooting and research skills with a solid understanding of Layers 1 through 4.
• Ability to deploy, configure, and troubleshoot Cisco access-layer switches.
• Ability to troubleshoot wired, wireless, VPN, cloud (AWS/GCP), and Internet connectivity.