Network Engineer

Location: Client Site / Vienna, VA 22182

Required Skills: 4–7 years of experience in network and/or security engineering Hands-on Cisco experience — Catalyst/Nexus switches, routers, and IOS-XE — sufficient to maintain both on-prem and cloud routers Experience with enterprise firewalls, specifically Palo Alto and/or Cisco Firepower (called out as a must-have) • Solid hands-on experience with a cloud environment — AWS or Azure — including cloud networking constructs (VNets, NSGs, route tables, Direct Connect)Experience with Azure Government or AWS Government At least a working understanding of Zero Trust Architecture principles Understanding of federal security frameworks: NIST 800-53, FISMA, and FedRAMPExperience performing software/firmware updates and troubleshooting complex issues Comfort interfacing directly with users/customers Able to be on-site Monday–Friday, and available for after-hours and weekend support as needed

Preferred Skills: Zscaler experience — ZIA and ZPA configuration, policy management, and integration with Zero Trust frameworks (nice-to-have, explicitly not required)One or more relevant certifications: CCNA/CCNP, CompTIA Security+/CySA+, AZ-700, AZ-500, Zscaler Certified Cloud Professional (ZCCP), or Palo Alto Networks Certified Network Security Engineer (PCNSE)

Responsibilities: Design, configure, and maintain enterprise network and security infrastructure (on-prem and cloud)Support cloud migration and hybrid connectivity efforts Implement and enforce security policies aligned with federal compliance requirements Troubleshoot network incidents and participate in change management processes Perform software/firmware updates and resolve complex technical issues Interface with users and customers on requests and issues Contribute to architecture documentation and ATO/assessment activities Provide after-hours and weekend support as needed