Senior Advisory Network Engineer

FTI Defense - Frontier Technology Inc.; Huntsville (AL); On-site; USD 120,000 - 180,000; Full time

Job summary

FTI Defense - Frontier Technology Inc. is seeking a Senior Advisory Network Engineer in Huntsville, AL. You will lead architecture, design, and implementation of enterprise routing, switching, and multi-tenant networks for a United States Navy program.

You will collaborate with mission stakeholders, translate operational needs into robust technical requirements, and drive high-availability solutions with secure configurations and STIG compliance. Travel to Ventura, CA will be required.

Qualifications

• Must be a U.S. Citizen with an active DoD Secret clearance.
• 10+ years of Network Engineering, Network Architecture, and/or Information Assurance experience.
• Experience with VRF-Lite configurations, macro/micro-segmentation, and multi-tenant enterprise network design.
• Strong background in Cisco routing/switching and next-gen firewalls, with DISA STIG implementation.

Responsibilities

• Lead architectural design and deployment of enterprise routing, switching, and firewall infrastructures.
• Architect and implement multi-tenant environments and segmentation strategies using VRF-Lite, VLANs, and routing policies.
• Design high-availability topologies, failover, disaster recovery, and resilient backup procedures.
• Directly engage Navy stakeholders, technical leadership, and system owners to gather requirements and lead network implementation strategies.
• Install, upgrade, and integrate enterprise networking platforms, security appliances, and identity/policy frameworks (e.g., Cisco ISE).
• Provide security-hardened configuration templates (DISA STIG-compliant) for all components (Cisco switches/routers/firewalls).
• Produce detailed architectural diagrams, engineering design packages, specs, and SOPs for repeatable deployment.
• Troubleshoot Layer 2/3 and security policy issues with root-cause analysis and performance tuning.
• Collaborate with ISSM and ISSO to support ATO packages.
• Must be able to support 35% - 40% travel to Ventura, CA.

Skills

Network Engineering

Network Architecture

Security Clearance

VRF-Lite

Multi-tenant networks

Cisco routing/switching

DISA STIG

I​SE (Cisco)

HA architectures

Requirements gathering

Technical liaison

Education

High school diploma

Bachelor’s degree in IT / CS

DoD 8570/8140 certifications

ABET-accredited degree preferred

Tools

Cisco IOS/ASA

DISA STIG tooling

VRF-Lite tooling

Security assessment tools

Job description

Overview

At FTI Defense, we are united by one common mission: supporting those who protect our nation so they can make the best-informed decisions during critical moments when seconds count. We want you to bring your passion and expertise to contribute to that essential mission. We strive to incorporate our values to create a culture of collaboration and trust, where you c an share your ideas and innovate. If you are inspired by making a positive impact through developing data-driven solutions, F TI Defense would appreciate the opportunity to learn more about you.

Overview

At FTI Defense, we are united by one common mission: supporting those who protect our nation so they can make the best-informed decisions during critical moments when seconds count. We want you to bring your passion and expertise to contribute to that essential mission. We strive to incorporate our values to create a culture of collaboration and trust, where you c an share your ideas and innovate. If you are inspired by making a positive impact through developing data-driven solutions, F TI Defense would appreciate the opportunity to learn more about you. We are hiri ng an Senior Advisory Network Engineer to support one of our United States Navy customers. In this role, you will lead the architecture, design, and implementation of complex, multi-tenant network environments while interfacing directly with mission stakeholders to translate operational needs into robust technical requirements. Join a highly skilled, seasoned engineering team dedicated to delivering resilient, mission-critical infrastructure.

Responsibilities

• Lead architectural design, configuration, and operational deployment of enterprise routing, switching, and firewall infrastructures.
• Architect and implement multi-tenant environments and segmentation strategies utilizing VRF-Lite, VLANs, and routing policy controls.
• Design and enforce high-availability (HA) topologies, failover mechanisms, disaster recovery, and resilient backup procedures to meet stringent mission uptime requirements.
• Directly engage with Navy customer stakeholders, technical leadership, and system owners to gather operational requirements, run technical interchange meetings, and lead network implementation strategies.
• Install, upgrade, and integrate enterprise networking platforms, security appliances, and identity/policy management frameworks (e.g., Cisco ISE).
• Provide security-hardened configuration templates (DISA STIG-compliant) for all network infrastructure components (Cisco switches, routers, next-generation firewalls).
• Produce detailed architectural diagrams, engineering design packages, technical specifications, and Standard Operating Procedures (SOPs)/build guides for repeatable deployment.
• Troubleshoot complex Layer 2/Layer 3 and security policy issues, performing root-cause analysis and system performance tuning.
• Collaborate closely with ISSM and ISSO personnel to support network artifacts and documentation for Authority to Operate (ATO) packages.
• Must be able to support 35% - 40% travel to Ventura, CA.

Required

Education/Qualifications

• Must be a U.S. Citizen with an active Department of Defense Secret clearance.
• High school diploma or equivalent.
• 10+ years of relevant Network Engineering, Network Architecture, and/or Information Assurance experience.
• Demonstrated experience with VRF-Lite configurations, macro/micro-segmentation, and multi-tenant enterprise network design.
• Proven experience designing High Availability (HA) architectures, stateful failover, and redundancy protocols (e.g., HSRP/VRRP, dynamic routing, dual-homing).
• Strong consultative and customer-facing skills with demonstrated experience leading requirements gathering and architectural design sessions.
• Solid hands-on background in Cisco routing/switching, next-gen firewalls, and DISA STIG implementation.
• Active DoD 8570/8140 baseline certification: CompTIA SecurityX, CCNA, CCNP Security, CCSP, GDSA or equivalent Cyber Workforce (CWF) training per DCWF 441.
• Must be able to support 35% - 40% travel to Ventura, CA.

Prefered

• Bachelor’s degree in Information Technology, Cybersecurity, Computer Science, Computer Engineering, or a related technical discipline from an ABET-accredited or NCAE-designated institution.
• Cisco Certified Network Professional (CCNP) Enterprise/Security, or Cisco Certified Design Professional (CCDP/CCDE).
• Experience architecting secure network boundaries and test range or tactical communications environments for DoD/Navy programs.