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