Sr. Network Engineer
$92,300–$166,850 year
On-site · Bethesda, Maryland, United States
Job Summary
Senior Network Engineer responsible for designing, implementing, and maintaining scalable, secure data center and enterprise networks. Lead planning of LAN/WAN connectivity across on-premises, cloud, and external networks; configure Cisco ACI, Nexus, Catalyst platforms; manage network throughput and reliability; use ITSM and monitoring tools (ServiceNow, SolarWinds, NetBox, PRTG); perform root cause analysis, contingency planning, and incident resolution; oversee cabling standards and security posture; collaborate with IT, Systems Engineering, Cybersecurity, and Applications teams; provide leadership, status reports, and ensure compliance with security and mission requirements; require DoD-level certifications and poly clearance.
Required Qualifications
- U.S. Citizenship
- Bachelor’s degree in a relevant field
- 8+ years of relevant network engineering experience
- DoD 8140/8570.11-IAT Level II certification requirements (Security+ CE, CCNA Security, GSEC, or SSCP)
- Clearance: TS/SCI with Poly required for position or TS/SCI and willingness to obtain poly
- Strong experience designing, implementing, and maintaining data center network architectures with focus on scalability, redundancy, and security
- Hands-on experience with Cisco ACI, Nexus, and Catalyst platforms (configuration, monitoring, troubleshooting)
- Strong knowledge of TCP/IP, DNS, DHCP, OSPF, BGP, VLANs, HSRP, SNMP, multicast
- Experience with network monitoring and ITSM tools (ServiceNow, SolarWinds, NetBox, PRTG)
- Knowledge of firewall rules, ACLs, VPNs, secure remote access
- Leadership experience and ability to mentor network engineers
- Ability to brief senior leadership and government stakeholders
- Active CCNP or CCIE preferred
Additional Requirements
- No explicit remote work; 100% on-site at Bethesda, MD
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