Senior Network Security Engineer

Senior Network Security Engineer Cumming, GA (Hybrid) Contract Category: IT Infrastructure – Security

GC, USC

Onsite Interview

Network security architecture, firewalls (20+), IDS/IPS, VPN, SIEM, IAM & authentication, TCP/IP, BGP, OSPF, LAN/WAN/WLAN, Azure & AWS cloud security, vulnerability management, domain controllers & DHCP, SaaS security (O365, Salesforce, Workday), zero-trust architecture.

Seeking a highly skilled Senior Network Security Engineer to support and strengthen our client's enterprise security environment. This role is responsible for driving network security strategy, implementing advanced security solutions, and ensuring a secure, scalable, and compliant infrastructure.

Responsibilities

• Lead the design and implementation of network security architecture and long-term security roadmap

• Manage and enhance enterprise security technologies including firewalls, IDS/IPS, VPNs, and cloud security platforms

• Act as a Subject Matter Expert (SME) for deployment and configuration of new security solutions

• Monitor network activity, systems, and logs using SIEM and vulnerability management tools

• Support compliance initiatives, risk assessments, and enforcement of security policies

• Oversee core network services such as domain controllers and DHCP

• Contribute to system upgrades, integrations, and security-focused projects

• Maintain clear documentation of configurations and procedures

• Mentor junior engineers and provide technical guidance

• Participate in on-call rotation as required

• Required Qualifications

• Bachelor's degree in IT, Information Systems, Computer Science, or related field (Master's preferred)

• 10+ years of overall IT experience, with at least 5+ years in network security

• Hands-on experience with firewalls, IDS/IPS, endpoint security, IAM, and authentication protocols

• Strong understanding of networking protocols including TCP/IP, BGP, OSPF, VPN, LAN/WAN/WLAN

• Experience managing large-scale environments with 20+ enterprise firewalls

• Proficiency in cloud platforms such as Azure and AWS

• Experience with SaaS platforms like Salesforce, Workday, and Office 365

• Preferred

• Expertise in cloud security and zero-trust architecture

• Strong analytical and problem-solving abilities

• Ability to work independently as well as in a team environment

• Excellent communication skills with both technical and non-technical stakeholders