Senior Network Engineer
Essnova Solutions, Inc. · Washington, District of Columbia, United States · Posted Jun 24, 2026
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Senior Network Engineer
About Essnova Solutions
Essnova Solutions is a fast-growing federal contractor delivering innovative technology, cybersecurity, cloud, and digital transformation solutions to Federal Government customers. We are seeking a highly skilled Senior Network Engineer to support an upcoming federal program focused on enterprise infrastructure modernization, Zero Trust implementation, cybersecurity, and network resiliency. *This is for a proposal opportunity*
Position Overview
The Senior Network Engineer will serve as a technical leader responsible for designing, implementing, securing, and maintaining enterprise network infrastructure supporting mission-critical federal operations. This role requires deep expertise in Cisco networking technologies, network security, Zero Trust architecture, and federal IT environments.
Responsibilities
Design, implement, and maintain secure enterprise network architectures
Lead network modernization and infrastructure improvement initiatives
Design and support core, distribution, and edge network environments
Configure and maintain routing, switching, firewalls, VPNs, DNS, and DHCP services
Implement Zero Trust principles including segmentation, micro-segmentation, and least-privilege access controls
Integrate network telemetry and monitoring capabilities with SIEM and security platforms
Lead vulnerability remediation and network hardening activities
Support incident response efforts through network analysis, containment, and remediation
Develop and maintain network architecture diagrams, SOPs, and technical documentation
Collaborate with cybersecurity, cloud engineering, and infrastructure teams to improve security posture and operational resilience
Support lifecycle management, upgrades, and technology refresh initiatives