Add your latest resume to match with open positions.

1 result for Cybersecurity in Atlanta, GA

Network Security Engineer

Alpharetta, GA
onsite
Permanent / Full Time
100000 - 125000 USD / Yearly
Senior Network Security Engineer (MSP Environment) We are seeking a Senior Network Security Engineer to design, implement, and support secure network infrastructures across multiple client environments. This role is responsible for maintaining high-performing network systems while ensuring strong security controls, segmentation, and threat visibility across enterprise networks.The ideal candidate has deep experience working within managed services or multi-client environments, supporting complex networking infrastructures and implementing security best practices. This position requires someone comfortable troubleshooting advanced network issues, designing secure architectures, and acting as a senior escalation point for critical incidents. Key Responsibilities <ul><li>Design, deploy, and maintain network infrastructure including routers, switches, wireless networks, and firewalls across multiple client environments.</li><li>Support enterprise LAN, WAN, and wireless connectivity systems to ensure high availability and performance.</li><li>Implement and manage networking protocols such as TCP/IP, VLANs, QoS, RSTP, LACP/LAG, and multicast technologies.</li><li>Implement and maintain network security controls across switching, wireless, and firewall platforms.</li><li>Design secure network segmentation strategies including VLAN segmentation, micro-segmentation, and multi-tenant network architectures.</li><li>Configure and manage firewall policies, NAT rules, and security filtering using least-privilege access principles.</li><li>Implement secure wireless network authentication methods including WPA2/WPA3 enterprise authentication and RADIUS-based access controls.</li><li>Design and maintain private wireless networks supporting role-based or device-based access policies.</li><li>Support modern access control frameworks including Zero Trust Network Access (ZTNA) approaches.</li><li>Implement network access controls such as 802.1X authentication, device profiling, and endpoint-based access policies.</li><li>Monitor network traffic and security events using network analytics tools and firewall telemetry.</li><li>Identify suspicious activity through log analysis, flow monitoring, and threat intelligence indicators.</li><li>Coordinate with security or incident response teams to investigate potential threats and implement containment actions.</li><li>Serve as a Tier 3 escalation point for complex network troubleshooting and infrastructure issues.</li><li>Diagnose and resolve connectivity problems involving routing, switching, wireless networks, and firewall systems.</li><li>Support proactive monitoring and preventative maintenance to maximize uptime.</li><li>Onboard and maintain network infrastructure within monitoring platforms for inventory tracking, alerting, and configuration management.</li><li>Analyze network alerts and performance metrics to identify potential issues before service disruption occurs.</li><li>Maintain detailed documentation of network configurations, security policies, and infrastructure changes.</li><li>Participate in change management reviews and ensure proper documentation for infrastructure updates.</li><li>Work closely with internal engineers and client stakeholders to resolve infrastructure challenges and implement new solutions.</li><li>Provide technical guidance and communicate complex technical findings clearly to both technical and non-technical audiences.</li></ul>
2026-04-22T00:00:00Z