Senior Network Engineer
About this role
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
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
Preferred Qualifications
- 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
Clearance
Public Trust (Tier 2) clearance
Location
Hybrid work environment with occasional onsite support as required.
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