Senior Network & Cloud Infrastructure Engineer

connectcentric; Washington (District of Columbia); On-site; USD 140,000 - 160,000; Full time

Job summary

Connect Centric in Washington, DC, seeks a Network Engineer to maintain on-premises and cloud network environments across data centers and cloud platforms. Reporting to the Manager of Networking, you will implement network solutions and support core services like DNS and DHCP for reliable, secure connectivity.

Responsibilities include maintaining 500+ nodes, configuring firewalls, VPNs, load balancers, and monitoring tools, plus collaborating with cross-functional teams to deliver

Qualifications

• Minimum of 5 years of hands-on experience in enterprise network engineering.
• Strong experience with Cisco switching, routing (OSPF, BGP), firewalls (ACLs, VPN tunnels, remote access), and wireless access.
• Hands-on AWS Cloud experience, including VPC, EC2, ALB/NLB, Transit Gateway, Routing, Security Groups/NACLs, Network Firewall, VPN, Direct Connect, CloudFormation, and IAM roles.
• F5 Load Balancing, Cisco ISE, WAF, and DNS/DHCP experience are highly desirable.
• Proficiency in network monitoring and management tools (e.g., Site24x7, SevOne, or equivalent) and cloud-native monitoring solutions.
• Ability to deploy, configure, and troubleshoot Cisco access-layer switches.
• Ability to troubleshoot wired, wireless, VPN, cloud (AWS/GCP), and Internet connectivity.

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.
• Work with ISPs to ensure reliable Internet connectivity and performance.
• Manage and optimize cloud network architectures (e.g., AWS, Google Cloud) to support business applications and services.
• Configure and maintain VPNs, Direct Connect, Transit Gateways, and hybrid connectivity.
• Implement network security best practices, including firewalls, NAC, and segmentation across on-premises and cloud environments.
• Provide prompt resolution of staff network problems and collaborate with Windows, Linux, Storage, Database, and Cloud teams.
• Stay current on networking trends and pursue professional development through certifications, training, and hands-on learning.

Skills

Cisco switching

OSPF/BGP routing

Firewalls

Wireless access

AWS Cloud

AWS VPC

CloudFormation

Direct Connect

Monitoring tools

Tools

Site24x7

SevOne

Cloud-native monitoring

Job description

Connect Centric in Washington, DC, seeks a Network Engineer to maintain on-premises and cloud network environments across data centers and cloud platforms. Reporting to the Manager of Networking, you will implement network solutions and support core services like DNS and DHCP for reliable, secure connectivity.

Responsibilities include maintaining 500+ nodes, configuring firewalls, VPNs, load balancers, and monitoring tools, plus collaborating with cross-functional teams to deliver