Senior Network Engineer - Hybrid DC, Secure Networking

Evolver Inc; Washington (District of Columbia); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Health, dental, vision insurance

401(k)

Paid leave

Parental leave

Flexible spending account

Job summary

Evolver Federal is seeking a Senior Network Engineer to support a federal client onsite in Washington, DC. The role focuses on secure, resilient networking, Cisco technologies, hybrid-cloud connectivity, and incident response.

The position requires a TS clearance and 10+ years of enterprise network experience, with strong Cisco and VPN expertise. Hybrid work is expected with 3-5 days onsite in Washington, DC.

Qualifications

• US. citizenship with an active Top Secret security clearance and the ability to pass a comprehensive background check.
• 10 years of experience designing, implementing, securing, troubleshooting, and maintaining enterprise networks.
• 5 years of Cisco experience with Catalyst 9000 Series, Cisco Secure Routers, Cisco ISE, 802.1X, Catalyst Center, ThousandEyes, and wireless controllers/access points.
• 5 years of experience with BGP, OSPF, VLANs, VRFs, QoS, multicast, spanning tree, link aggregation, segmentation, high availability, and redundant WAN architectures.
• 5 years of experience with enterprise firewalls, IDS/IPS, remote-access and site-to-site VPNs, ZTNA, DNS, DHCP, IPAM, NAC, and secure hybrid connectivity.
• 5 years of experience integrating firewall, VPN, ISE, DNS, NetFlow, syslog, and cloud-network telemetry into SIEM platforms such as Microsoft Sentinel.
• 5 years of experience with vulnerability remediation, incident-response triage, traffic analysis, log correlation, network containment, and evidence preservation.
• 5 years of experience performing root cause analysis and produce clear technical findings, corrective actions, procedures, and operational documentation.

Responsibilities

• Support enterprise routing, switching, internet connectivity, wireless infrastructure, VPN/ZTNA services, firewalls, and data center interconnections.
• Administer Cisco Catalyst 9000 switches, Cisco Secure Routers, Cisco ISE, 802.1X, Catalyst Center, ThousandEyes, and Cisco wireless systems.
• Monitor network availability, performance, capacity, device health, routing changes, alerts, and anomalies.
• Maintain network, firewall, VPN, DNS, wireless, cloud, syslog, and flow-log integrations with Microsoft Sentinel or another approved SIEM.
• Support multi-site data center connectivity, redundancy, failover, path validation, performance monitoring, and resiliency improvements.
• Support AWS hybrid connectivity, including routing, VPNs, security groups, network ACLs, cloud logging, and troubleshooting.
• Manage site-to-site IPsec tunnels, enterprise firewalls, remote-access VPN/ZTNA, network access control, and wireless authentication.
• Perform DNS, routing, packet capture, latency, and network-path analysis across on-premises, cloud, ISP, and partner environments.
• Lead outage response and root cause analysis, coordinate service restoration, and recommend corrective actions.
• Maintain network and security diagrams, configuration standards, SOPs, runbooks, traffic flows, logging paths, and recovery documentation.

Skills

US citizenship

Top Secret

Enterprise networks

Cisco 9000

BGP OSPF

Network security

ZTNA

VPNs

SIEM

Root cause analysis

Education

Bachelor's degree

Tools

Cisco ISE

ThousandEyes

Catalyst Center

Cisco Secure Routers

Microsoft Sentinel

Job description

Evolver Federal is seeking a Senior Network Engineer to support a federal client onsite in Washington, DC. The role focuses on secure, resilient networking, Cisco technologies, hybrid-cloud connectivity, and incident response.

The position requires a TS clearance and 10+ years of enterprise network experience, with strong Cisco and VPN expertise. Hybrid work is expected with 3-5 days onsite in Washington, DC.