Senior Network Engineer

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

Requirements Required Qualifications

• Bachelor's degree in Information Technology, Computer Science, Engineering, or related field (or equivalent experience)
• 8+ years of enterprise network engineering experience
• Expert-level experience with Cisco networking technologies
• Strong knowledge of routing, switching, VPNs, DNS, DHCP, and network architecture
• Experience designing and supporting highly available enterprise networks
• Experience implementing network security controls and best practices
• Knowledge of NIST cybersecurity frameworks and federal security requirements
• Experience supporting incident response and vulnerability management activities
• Ability to obtain and maintain a Public Trust clearance

• CCNP Enterprise, CCIE, or equivalent certification
• Experience with Palo Alto, Cisco Firepower, Cisco ISE, or similar technologies
• Experience implementing Zero Trust architecture
• Experience supporting federal government environments
• Familiarity with RMF, FISMA, and NIST 800-53 requirements
• Experience integrating network telemetry with SIEM platforms such as Splunk, Sentinel, or similar solutions
• Experience with SD-WAN technologies