CDW · 1 day ago
Cisco Core Network Engineer
McLean, VA
Full-time
Onsite
Senior Level
5+ years expCDW is a leading multi-brand provider of information technology solutions. They are seeking a highly skilled Senior Network Engineer with extensive experience in Cisco routing and switching technologies to support secure, high-availability network operations for government and mission-focused environments.
AnalyticsArtificial Intelligence (AI)Cyber SecurityGraphic DesignHardwareInformation TechnologySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Design, deploy, and maintain enterprise‑level network infrastructure with a focus on Cisco routers, switches, and related technologies
Monitor, analyze, and optimize network performance, ensuring high availability, redundancy, and security
Implement network improvements, upgrades, and patches while minimizing operational disruptions
Troubleshoot complex Layer 2/Layer 3 issues across LAN, WAN, and datacenter environments
Develop and maintain detailed network documentation including diagrams, configuration standards, and operational procedures
Collaborate with cybersecurity, systems engineering, and operations teams to ensure secure and compliant network environments
Support network engineering projects from planning through execution, including requirements analysis, design reviews, and testing
Provide advanced technical guidance and mentorship to junior engineers and support staff
Qualification
Required
5+ years of experience in network engineering or related technical roles
Expert knowledge of Cisco routing and switching (IOS, IOS-XE, NX-OS)
Strong understanding of TCP/IP, VLANs, STP, OSPF, BGP, EIGRP, and related network protocols
Experience with enterprise network monitoring and management tools
Demonstrated ability to troubleshoot complex network issues in mission‑critical environments
Active TS/SCI clearance (required at time of hire)
Preferred
Cisco certifications such as CCNP, CCIE, or equivalent experience
Experience with firewalls, VPN technologies, and network security best practices
Background working in government, DoD, or Intel community environments
Familiarity with automation tools (Ansible, Python, etc.) for network configuration and orchestration
Exposure to cloud networking (AWS, Azure, GovCloud) is a plus
Company
CDW
At CDW, we know how to make technology work so people can do great things.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$58.74M2015-08-01Post Ipo Equity· $58.74M
2013-06-27IPO
2008-07-31Series Unknown
Leadership Team
Christine Leahy
President & CEO
Sanjay Sood
Chief Technology Officer
Recent News
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2025-12-24
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