Senior Network Engineer
About The Position
The Senior Network Engineer designs, implements, maintains, and troubleshoots complex LAN/WAN infrastructures, including routing, switching, and secure VPN connectivity. The role maintains network integrity, compliance with security policies such as STIGs and NIST, and appropriate backup and recovery processes. It also involves installing, configuring, managing, and troubleshooting F5 BIG-IP systems to support application performance, availability, and security. The engineer configures and administers Cisco routers, switches, secure firewalls, and ISE for identity-based access control and 802.1x authentication. They analyze and resolve complex performance and connectivity issues, evaluate new communications technologies, document network designs and standard operating procedures, and create network diagrams. The position requires collaboration with cross-functional teams, effective communication with clients and teammates, and maintaining current knowledge of network and automation technologies. Linux system administration on Red Hat Enterprise is preferred.
Requirements
- Must possess and maintain a TS/SCI clearance with CI polygraph.
- U.S. citizenship required.
- BA/BS degree or equivalent work experience.
- 8–10+ years of related experience.
- Active DoD 8570.01 and Cisco CCNP certifications required.
- Experience with Cisco IOS, Cisco routers and switches, IPsec, switching protocols, and VPNs.
- Comprehensive understanding of routing and switching protocols, including OSPF, BGP, EIGRP, VLANs, Spanning Tree, and multicast.
- In-depth understanding of Cisco IOS platforms and practical knowledge of LAN/WAN topologies, with hands-on IPsec VPN experience.
- Experience with network diagnostic, monitoring, and analysis tools such as SolarWinds, Splunk, Ansible, or Python.
- Proven experience with Cisco Secure Firewalls (FTD/FMC), ISE, and 802.1x authentication, including troubleshooting device access on network switches.
- Excellent communication skills and ability to interact with clients and teammates.
Nice To Haves
- Linux system administration experience, preferably with Red Hat Enterprise.
- Knowledge of Cisco Catalyst and Cisco Nexus series switches.
- Knowledge of F5 BIG-IP.
- Knowledge of Cisco ISR Gen2 (1900, 2900, 3900 series) and ISR Gen3 (4000 series) routers.
- Knowledge of Cisco Firepower 2100 series firewalls.
- Knowledge of installation and use of KG-175, KG-250, and other NSA cryptographic devices.
- Knowledge of configuring Cisco IOS-XE 17.x and NX-OS 10.x.
- Cisco CCNA, CCNP Enterprise, CCNP Security, or F5 certification.
Responsibilities
- Design, implement, and maintain complex LAN/WAN infrastructures, including routing, switching, and secure VPN connectivity.
- Ensure network integrity, compliance with security policies such as STIGs and NIST, and proper backup and recovery processes.
- Install, configure, manage, and troubleshoot F5 BIG-IP systems.
- Analyze, diagnose, and resolve complex performance and connectivity issues.
- Configure and administer Cisco routers, switches, secure firewalls, and ISE for identity-based access control and 802.1x authentication.
- Evaluate and integrate new communications technologies to improve network performance, security, and scalability.
- Create network diagrams using Microsoft Visio.
- Document network designs and create standard operating procedures for installing and configuring network devices.
- Maintain current knowledge of evolving network and automation technologies.
- Collaborate with cross-functional teams and provide mentorship when needed.
- Interact effectively with clients and teammates.
Benefits
- Comprehensive benefits and wellness packages.
- 401(k) with company match.
- Competitive pay and paid time off.
- Full-flex work weeks where possible.
- Medical plan options, some with Health Savings Accounts.
- Dental plan options.
- Vision plan.
- Paid vacation, sick and personal time, holidays, parental, military, bereavement, and jury duty leave.
- Short- and long-term disability benefits.
- Life, accidental death and dismemberment, personal accident, critical illness, and business travel and accident insurance.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
