Senior Network Infrastructure Engineer - Global DoD WAN

SAIC; Scott Air Force Base (IL); On-site; USD 80,000 - 120,000; Full time

Job summary

SAIC at Scott AFB, IL seeks a Senior Network Infrastructure Specialist to support enterprise DoD operations with secure, resilient network services and global WAN management. The role requires independent technical leadership and oversight of junior staff to deliver complex tasks across transport mediums.

The successful candidate will lead design efforts, guide technology purchases, and ensure compliant, reliable network performance with strong routing, IPv6, VPN, cryptographic maintenance, and

Qualifications

• BA/BS degree with 4+ years in network engineering or infra operations.
• Active DoD Secret clearance; ability to obtain TS/SCI.
• IAT Level II certification (Security+, CCNA-Security, CySA+, etc.).
• At least one Computing Environment certification (Cisco, Splunk, McAfee, etc.).
• Experience installing DoD networks in security-compliant environments.
• Strong routing (OSPF, BGP), IPv6, VPN, and global WAN experience.
• Proficient with Word, PowerPoint, Visio, and Excel.
• Experience documenting technical systems clearly.
• Excellent communication with varied technical backgrounds.

Responsibilities

• Develop strategies and design network infrastructure to meet mission objectives.
• Advise leadership on technology purchases involving data storage, processing, and network access.
• Assess feasibility of future projects and provide expert recommendations.
• Provide deep expertise in routing protocols (OSPF, BGP), IPv6, VPN, and global WANs.
• Support wireless, network connectivity, and related services securely.
• Coordinate and execute cryptographic circuit maintenance.
• Install and maintain transport media (fiber, copper, wireless) with access drops.
• Perform planned upgrades and maintenance; minimize disruption.
• Provide DNS/SMTP support and IP address management; configure VLANs.
• Collect, analyze, and report network availability metrics.
• Maintain network diagrams, rack elevations, and device configurations.
• Respond to incidents, provide after-action reporting, and assist service recovery.
• Adhere to processes to ensure SLA compliance.

Skills

BA/BS degree

DoD Secret clearance

IAT Level II cert

Computing Environment cert

OSPF/BGP routing

IPv6

VPN technologies

DoD network experience

Documentation skills

MS Office

Education

BA/BS degree

Tools

Cisco cert

Splunk cert

McAfee cert

Job description

SAIC at Scott AFB, IL seeks a Senior Network Infrastructure Specialist to support enterprise DoD operations with secure, resilient network services and global WAN management. The role requires independent technical leadership and oversight of junior staff to deliver complex tasks across transport mediums.

The successful candidate will lead design efforts, guide technology purchases, and ensure compliant, reliable network performance with strong routing, IPv6, VPN, cryptographic maintenance, and