Senior Network Security Engineer

We are seeking an experienced Senior Network Security Engineer to design, secure, and support a hybrid enterprise infrastructure spanning 300+ locations. This position focuses on proactive threat hunting, firewall administration, cloud security, and network incident containment.

Location: Mechanicsville, VA

Work Arrangement: Hybrid

Interview Process: In-Person Only

Shift: EST

Key Technical Requirements

Core Experience

• Enterprise Networking: 8+ Years
• Enterprise Security: 5+ Years
• Azure Networking & Cloud Security: 3+ Years
• WAF & Next-Gen Firewalls (NGFW): 3+ Years

Primary Technical Skills

• Firewall & Edge Security: Palo Alto NGFW, GlobalProtect, Cisco VPN, F5 BIG-IP / F5 Distributed Cloud, Azure WAF
• Cloud Infrastructure: Azure VNets, ExpressRoute, Azure Security Center
• Identity & Access Management: Cisco ISE, 802.1X, RADIUS, TACACS+, Active Directory, MFA, Conditional Access
• SIEM & Monitoring: Splunk, Microsoft Sentinel, Log Analysis, Threat Hunting
• Vulnerability Management & Frameworks: Nessus / Tenable / Defender, NIST 800-53, NIST CSF, Zero Trust Principles, CIS Benchmarks