Senior Network Engineer - Zero Trust & Infra Modernization

Essnova Solutions, Inc.; Washington (Washington County); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Essnova Solutions, Inc. is seeking a Senior Network Engineer to lead design, implementation, and security of enterprise network infrastructure supporting federal operations. The role emphasizes Cisco technologies, Zero Trust, and resilient network services in a federal contractor environment.

Hybrid work with occasional onsite support. The Senior Network Engineer will work cross-functionally with cybersecurity, cloud engineering, and infrastructure teams to modernize networks, harden security,

Qualifications

• Bachelor's degree or equivalent experience in IT, CS, or engineering.
• 8+ years enterprise network engineering experience.
• Expert-level Cisco networking knowledge.
• Knowledge of NIST frameworks and federal security requirements.
• Experience supporting incident response and vulnerability management.
• Ability to obtain Public Trust clearance.

Responsibilities

• Design, implement, and maintain secure enterprise network architectures.
• Lead network modernization and infrastructure improvements.
• Configure routing, switching, VPNs, DNS, and DHCP services.
• Implement Zero Trust segmentation and least-privilege access controls.
• Integrate network telemetry with SIEM and security platforms.
• Support incident response and vulnerability remediation.
• Develop network diagrams, SOPs, and documentation.
• Collaborate with cybersecurity, cloud, and infrastructure teams.
• Provide lifecycle management and technology refresh planning.

Skills

Cisco networking

Zero Trust security

Network architecture & design

VPNs, DNS, DHCP

Public Trust clearance

Incident response support

SIEM integration

Education

Bachelor's degree in IT/CS/Engineering

Tools

Palo Alto

Cisco Firepower

Splunk

SD-WAN

Job description

Essnova Solutions, Inc. is seeking a Senior Network Engineer to lead design, implementation, and security of enterprise network infrastructure supporting federal operations. The role emphasizes Cisco technologies, Zero Trust, and resilient network services in a federal contractor environment.

Hybrid work with occasional onsite support. The Senior Network Engineer will work cross-functionally with cybersecurity, cloud engineering, and infrastructure teams to modernize networks, harden security,