Tier4 Group · 8 hours ago
Sr. Network Security Engineer (Onsite/Direct Hire) - 4757
Alpharetta, GA
Full-time
Onsite
Senior Level
7+ years expTier4 Group is a healthcare IT firm focused on delivering secure and reliable infrastructure for exceptional patient care. They are seeking a Senior Network Security Engineer to lead the design of resilient networks and maintain compliance while solving complex problems.
CRMInformation TechnologySoftwareVirtual Reality
Hiring Manager
Vince Godfrey
Responsibilities
Design and support LAN/WAN and wireless networks using Ubiquiti, Meraki, Cambium, Aruba, Cisco, and Ruckus
Configure and maintain next-gen firewalls including SonicWall, Fortinet, Palo Alto, and Meraki
Implement VLAN segmentation, VRFs, multi-tenant designs, and 802.1X controls
Deploy secure Wi-Fi using xPSK and RADIUS (WPA2/WPA3-Enterprise, EAP-TLS)
Support Zero Trust initiatives and reduce traditional VPN reliance
Perform threat detection using NetFlow, Auvik, and firewall analytics
Maintain documentation, baselines, backups, and SIEM integrations
Serve as Tier 3 escalation and mentor junior engineers
Qualification
Required
7+ years of hands-on network and security engineering experience
Strong routing, switching, firewall, and wireless expertise
Deep understanding of TCP/IP, VLANs, QoS, NAT, DNS, WAN technologies
Experience securing environments with 802.1X, ACLs, IDS/IPS, DNS filtering
Experience with Auvik or similar monitoring tools
Excellent troubleshooting and client-facing communication skills
On-site availability in Johns Creek / Alpharetta with ~10% travel
Preferred
Bachelor's degree in Computer Science, IT, or related field preferred (or equivalent experience)
Benefits
Competitive compensation and full benefits
Generous PTO and sustainable work culture
Company
Tier4 Group
Tier4 Group is a women-owned and diversity-certified technology Talent, Professional Services, Advisory, and Information Security firm with a national reach.
201-500 employees
Funding
Current Stage
Growth StageLeadership Team
Betsy Robinson
Founder + CEO
Jake Sherrill
Partner
Recent News
2025-05-17
Company data provided by crunchbase