Lead Federal Network Architect (TS/SCI) | Cisco & Security

Peraton; Washington (District of Columbia); On-site; USD 146,000 - 234,000; Full time

Job summary

Peraton seeks a Network Architect to design, implement, secure, and maintain enterprise network infrastructure for a federal government customer in Washington, DC. The role focuses on Cisco networking, security, and mission-critical operations, requiring TS/SCI or Q/SCI clearance and strong leadership in secure environments.

You will lead migrations from EOL devices, implement network access controls, DISA STIGs, IP subnetting, VOIP support, and incident response.

Qualifications

• 8+ years of enterprise network infrastructure experience.
• Experience implementing DISA STIGs in federal environments.
• Knowledge of enterprise network security principles.
• VOIP experience.
• Ability to read network diagrams and infrastructure schematics.
• Active TS/SCI or Q/SCI clearance; US citizen.
• Excellent written and verbal communication skills.

Responsibilities

• Design, implement, and maintain enterprise network infrastructure.
• Plan and deploy standardized configurations across enterprise switching environments.
• Lead migration efforts from End-of-Life (EOL) devices.
• Design, deploy, and manage solutions for network access control and authentication services.
• Implement and maintain DISA STIG hardening guidelines and security compliance standards across network infrastructure.
• Support deployment and integration of encryption devices and manage cryptographic equipment imports.
• Assist with fiber optic cabling installations, infrastructure upgrades, and connectivity troubleshooting.
• Design IP subnetting strategies and IP address management solutions.
• Monitor and respond to incidents through internal ticketing systems while providing Tier III network support.
• Travel to remote locations to deploy network infrastructure and extend enterprise services.
• Troubleshoot complex networking issues (routing, L2 switching, VOIP, Layer1 cabling, IPSec tunnels).
• Utilize SolarWinds and other network monitoring tools to proactively monitor network performance and generate operational reports.
• Configure and maintain environmental monitoring systems and sensors within data centers and server rooms.
• Develop and maintain SOPs, technical documentation, and operational runbooks.
• Provide technical leadership and mentorship to junior network engineers and support personnel.
• Collaborate with cybersecurity, systems engineering, and facilities teams to ensure reliable and secure network operations.

Skills

Enterprise network experience

DISA STIGs & federal security

VOIP support

Network security principles

Troubleshooting & analytical skills

Communication skills

Security clearance TS/SCI/QSCI

US Citizen

Education

Bachelor’s degree or higher

Job description

Peraton seeks a Network Architect to design, implement, secure, and maintain enterprise network infrastructure for a federal government customer in Washington, DC. The role focuses on Cisco networking, security, and mission-critical operations, requiring TS/SCI or Q/SCI clearance and strong leadership in secure environments.

You will lead migrations from EOL devices, implement network access controls, DISA STIGs, IP subnetting, VOIP support, and incident response.