Senior Advisory Network Engineer – DoD/Navy Expert

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

Job summary

FTI Defense - Frontier Technology Inc. in Huntsville, AL seeks a Senior Advisory Network Engineer to lead architecture, design, and implementation of complex multi-tenant networks for a US Navy customer.

You will collaborate with mission stakeholders to translate operational needs into robust technical requirements and deliver resilient, mission-critical infrastructure. The role requires 10+ years of network engineering, DoD active clearance, VRF-Lite/multi-tenant design, and experience with

Qualifications

• US citizen with an active DoD 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.
• 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.

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 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 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.

Skills

DoD clearance

Senior network engineer

VRF-Lite

HA design

DISA STIG

Cisco routing/switching

Customer facing

Education

High school diploma or equivalent

Bachelor's degree in IT or related field

DoD 8570 baseline certifications

Tools

Cisco ISE

Job description

FTI Defense - Frontier Technology Inc. in Huntsville, AL seeks a Senior Advisory Network Engineer to lead architecture, design, and implementation of complex multi-tenant networks for a US Navy customer.

You will collaborate with mission stakeholders to translate operational needs into robust technical requirements and deliver resilient, mission-critical infrastructure. The role requires 10+ years of network engineering, DoD active clearance, VRF-Lite/multi-tenant design, and experience with