Network Engineer (Senior / Lead) – Cisco Focus with Security Clearance

Innovatus Technology Consulting; Dahlgren (VA); On-site; USD 140,000 - 200,000; Full time

Job summary

Innovatus Technology Consulting is seeking a senior Network Engineer to lead LAN/WAN design and implementation for DoD environments in Dahlgren, VA. The role emphasizes Cisco/Juniper gear, firewall and ISE technologies, and requires DoD IAT III designation with Top Secret clearance.

You will guide network architecture, security, and performance improvements, and develop comprehensive documentation and diagrams for secure, scalable operations in government settings.

Qualifications

• 6+ years of experience designing and implementing LAN/WAN environments using Cisco, Juniper, TCP/IP and VoIP with routers, switches, fiber optics, firewalls, and cable plant designs.
• Strong emphasis on Cisco Firewall technologies, Cisco Identity Services Engine (ISE), and other Cisco platforms.
• Hands-on experience with enterprise networking, routing/switching, security devices, and structured cabling.
• Must be designated as DoD IAT III.
• Active Top Secret (T5) clearance required.
• U.S. citizenship required for clearance eligibility.
• Strong analytical, documentation, and communication skills.
• Ability to provide technical leadership in a government/DoD environment.

Responsibilities

• Lead the design, planning, and implementation of LAN/WAN infrastructure in corporate and government environments.
• Configure, deploy, and optimize Cisco and Juniper routers, switches, firewalls, and related network devices.
• Design and support VoIP systems, fiber-optic cabling, cable plants, and related infrastructure.
• Provide technical leadership and guidance on network architecture, security, and performance improvements.
• Develop network documentation, diagrams, procedures, and recommendations for system enhancements.
• Troubleshoot complex network issues and perform capacity planning and optimization.
• Collaborate with cross-functional teams to ensure designs meet operational, performance, and security requirements.
• Support secure network operations in a DoD environment, including compliance with applicable policies and standards.

Skills

LAN/WAN design

Cisco/Juniper networking

TCP/IP

VoIP

Network leadership

Tools

Cisco IOS

Juniper JunOS

Cisco Firewall technologies

Cisco ISE

Firewalls

Job description

About Innovatus Technology Consulting

Innovatus Technology Consulting is a Service-Disabled Veteran-Owned Small Business (SDVOSB) that delivers technology solutions, engineering support, cybersecurity, and enterprise IT services to government and defense customers. We partner with clients to design, implement, and sustain secure, mission-critical systems that support operational readiness.

Position Overview

Innovatus is seeking a senior Network Engineer with strong leadership experience to support the design and implementation of LAN/WAN environments in Dahlgren, VA. This role emphasizes advanced Cisco technologies (including Firewall and Cisco ISE), Juniper platforms, TCP/IP, VoIP, routers, switches, fiber optics, firewalls, and cable plant design. The position requires designation at the DoD IAT III level and an active T5 (Top Secret) investigation/clearance.

Key Responsibilities

• Lead the design, planning, and implementation of LAN/WAN infrastructure in corporate and government environments.
• Configure, deploy, and optimize Cisco and Juniper routers, switches, firewalls, and related network devices.
• Design and support VoIP systems, fiber-optic cabling, cable plants, and associated infrastructure.
• Provide technical leadership and guidance on network architecture, security, and performance improvements.
• Develop network documentation, diagrams, procedures, and recommendations for system enhancements or modifications.
• Troubleshoot complex network issues and perform capacity planning and optimization.
• Collaborate with cross-functional teams to ensure designs meet operational, performance, and security requirements.
• Support secure network operations in a DoD environment, including compliance with applicable policies and standards.

Required Qualifications

• Minimum of six (6) years of professional work and leadership experience in the design and implementation of LAN/WAN environments using Cisco, Juniper, TCP/IP, and VoIP technologies with routers, switches, fiber optics, firewalls, and cable plant designs.
• Strong emphasis on and demonstrated experience with Cisco Firewall technologies, Cisco Identity Services Engine (ISE), and other Cisco platforms.
• Hands-on experience with enterprise networking, routing/switching, security devices, and structured cabling.
• Must be designated as DoD 8570/8140 Information Assurance Technical (IAT) Level III.
• Active Top Secret (T5) clearance required.
• U.S. citizenship required for clearance eligibility.
• Strong analytical, documentation, and communication skills.
• Ability to provide technical leadership and work effectively in a government/DoD support environment.

Preferred Qualifications

• Relevant Cisco certifications (e.g., CCNP, CCIE, or Cisco security-focused credentials).
• Experience supporting DoD or federal government network infrastructures, including classified environments.
• Familiarity with network security best practices, zero-trust concepts, and related tools.
• Additional experience with network monitoring, automation, or related engineering tools.

Additional Information

This position is based in Dahlgren, VA, and supports contract/task order requirements in a secure government environment.

• Candidates must meet IAT III designation and hold an active T5 clearance at the time of hire or as required by the task order.