Security Engineer III - ( Infrastructure Operations )

Hyundai Autoever America•Savannah, GA

16h•Onsite

About The Position

The Network & Security Engineer is responsible for ensuring the availability, security, and integrity of the HMGMA network computing environment. This role designs, implements, maintains, and secures LAN/WAN, wireless, voice, and security infrastructures while defending against internal and external threats. The engineer applies a Defense-in-Depth security strategy to protect systems and data, ensures reliable network performance, and supports business continuity through disaster recovery, backup, and change management practices.

Requirements

Bachelor’s degree in Computer Science, Information Science, or a related field or equivalent hands‑on experience
3–5 years of directly related experience supporting enterprise network and security environments
Strong experience with network security technologies, including firewalls, IPS, web filtering, endpoint security, and network defense strategies
Experience with Palo Alto F/W (PA-3435)
Experience with ForcePoint (Webfilter)
Experience with Rapid7 (VMS: Vulnerability Management Solution) or any VMS
Hands‑on expertise with Cisco ASA Firewalls (required), along with Cisco Catalyst and Nexus hardware
Proficiency with Cisco IOS and NX‑OS, including configuration, troubleshooting, and maintenance

Nice To Haves

Familiarity with A10 Load Balancers, Riverbed equipment, and Cisco DNA
Experience with Audit big PLUS
Industry security certifications (preferred but not required)
CCNP Routing & Switching, CCNP Wireless, and/or CCNP Voice certifications
Prior experience interacting with both internal stakeholders and external customers in a professional, service‑oriented manner

Responsibilities

Install, configure, and maintain LAN/WAN infrastructure including Cisco routers, switches, firewalls, VPNs, VLANs, VoIP phone systems, cabling, and wireless networks to ensure optimal performance, availability, and reliability.
Implement and administer security systems such as Cisco firewalls, Cisco ISE, StealthWatch IPS, and Wireless Intrusion Prevention Solutions; monitor, analyze, and respond to security threats and incidents using Defense-in-Depth principles.
Detect, diagnose, and resolve network performance, health, and security issues; manage and respond to ServiceNow tickets while troubleshooting complex LAN/WAN and connectivity problems.
Ensure all change management, security policies, and procedures are followed; document network configurations, procedures, and system changes to support operational consistency and audits.
Perform disaster recovery planning and execution, including backup and restoration of network systems and devices; develop and test technical solutions to improve reliability, security, and scalability.