Senior Network Engineer — High-Availability & Security

Centurion Health; Sterling (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Centurion Health is seeking a Senior Network Engineer to join our Corporate IT team in Sterling, Virginia. You will design, deploy, and maintain scalable LAN/WAN infrastructure spanning multiple facilities while ensuring high availability and security.

You will work with Cisco and Fortinet devices, support cloud networking, and lead documentation and asset management. Travel up to 20% may be required.

Qualifications

• Minimum 10+ years in a corporate IT operations environment.
• 5+ years hands-on in installing configuring troubleshooting networking tech (switches/routers/firewalls).
• Experience with IPsec tunnel configuration, routing tables, and dynamic routing.
• Experience designing DMZs and multi-layer network zones.
• Strong knowledge of BGP, MPLS, VRF, QoS, OSPF, TCP/IP, DNS.

Responsibilities

• Deploy, configure, manage and monitor LAN/WAN for high availability and security.
• Maintain firmware, perform preventive maintenance, and document configurations.
• Provide engineering support for Cisco/FortiNet devices and cloud networking.
• Automate network monitoring and incident triage; act as escalation for Tier 4.
• Create documentation, diagrams and network asset inventories; manage change control.
• Collaborate with vendors and IT teams; travel up to 20% as needed.

Skills

Network design

LAN/WAN

Cisco routers/switches

Fortinet FortiGate

IPsec/VPN

DNS/DHCP/TFTP

Network monitoring

Troubleshooting

Education

Bachelor’s degree in Information Technology or related field

Tools

FortiGate FortiManager FortiAnalyzer

Cisco ASR/ISR

Nexus switches

PRTG or similar monitoring tools

Azure/AWS hybrid environments

Job description

Centurion Health is seeking a Senior Network Engineer to join our Corporate IT team in Sterling, Virginia. You will design, deploy, and maintain scalable LAN/WAN infrastructure spanning multiple facilities while ensuring high availability and security.

You will work with Cisco and Fortinet devices, support cloud networking, and lead documentation and asset management. Travel up to 20% may be required.