3 results for Cybersecurity in Atlanta, GA

Network Security Engineer

Alpharetta, GA
onsite
Permanent
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>
2026-03-05T00:00:00Z

Network Security Admin

Duluth, GA
onsite
Temporary
45 - 57 USD / Hourly
OverviewReporting to the Manager, IT Network Infrastructure, the IT Network Security Admin is responsible for providing technical assistance and support related to client's network systems 24/7. Responsibilities· Maintaining and administering networking security tools· Perform escalated troubleshooting for network issues· Configuring and installing various networking security devices and services· Manage all SLAs· Performing maintenance and upgrades for security configurations or end-of-life equipment cycle· Communicate with customers of all updates· Work with established configuration and change management system to ensure policies for awareness and approval are correctly upheld· Work closely with selected vendors for projects and new technology implementations· Deeper troubleshooting through diagnostic tools and techniques· Determines the best solution based on the specific issue· Escalates unresolved issues to next-level support· Performs daily maintenance and reporting· Performs additional duties as required
2026-03-18T00:00:00Z

Network Security Administrator

Duluth, GA
onsite
Temporary
52.25 - 60.5 USD / Hourly
We are seeking a Network Security Engineer to support and maintain enterprise security infrastructure while providing advanced troubleshooting and operational support.Responsibilities:<ul><li>Administer and maintain network security tools and platforms</li><li>Perform escalated troubleshooting for complex network/security issues</li><li>Configure and deploy security devices and services (firewalls, email/web security, etc.)</li><li>Manage SLAs and ensure timely resolution of incidents</li><li>Perform maintenance, upgrades, and lifecycle management of security systems</li><li>Communicate updates and resolutions to internal teams and customers</li><li>Follow change management processes for all configurations and updates</li><li>Collaborate with vendors on implementations and new technologies</li><li>Conduct deep-dive diagnostics and escalate issues when needed</li><li> </li></ul>
2026-03-19T00:00:00Z