What are the responsibilities and job description for the Network Administrator position at SGS Technologie?
Job Title: Network Administrator
Location: Jacksonville, FL
Job Summary
We are seeking an experienced Network Administrator to support and maintain a large-scale enterprise network infrastructure. The ideal candidate will be responsible for ensuring the reliability, security, availability, and performance of network systems across data center and remote site environments. This role requires hands-on experience with enterprise routing, switching, firewalls, wireless technologies, and network troubleshooting while working in a collaborative team environment.
The successful candidate will install, configure, monitor, and support networking hardware and software, troubleshoot connectivity issues, implement secure remote access solutions, and assist with infrastructure upgrades and change management activities.
Required Responsibilities
- Administer, configure, and maintain enterprise network infrastructure.
- Install, support, and troubleshoot routers, switches, firewalls, and wireless access points.
- Manage Cisco, Palo Alto, Cradlepoint, and Fortinet networking technologies.
- Configure and troubleshoot Layer 2 and Layer 3 networking.
- Support enterprise routing and switching protocols including:
- TCP/IP
- EIGRP
- OSPF
- STP
- VLANs
- Monitor network performance using enterprise monitoring and diagnostic tools.
- Support VPN, IPSec, and SD-WAN connectivity solutions.
- Troubleshoot fiber, carrier Ethernet, and remote site connectivity issues.
- Validate hardware and software upgrades, patches, and new deployments.
- Maintain network documentation and configuration records.
- Develop scripts or automation tools to improve network monitoring and reporting.
- Participate in structured change management processes using ITIL best practices and ServiceNow.
- Work closely with technical teams and business stakeholders to resolve network issues and improve infrastructure performance.
Required Technical Skills
- Cisco IOS / NX-OS
- Palo Alto Firewalls (PAN-OS)
- Fortinet
- Cradlepoint
- Enterprise Routing & Switching
- TCP/IP
- OSPF
- EIGRP
- STP
- VLANs
- Layer 2 / Layer 3 Networking
- VPN
- IPSec
- SD-WAN
- NetFlow
- SNMP
- Wireshark
- SolarWinds
- ExtraHop
- Linux & Windows CLI
- Fiber Networking
- Carrier Ethernet
- Network Performance Monitoring
- ServiceNow
- ITIL
Preferred Qualifications
- Experience supporting enterprise data center and distributed network environments.
- Knowledge of high-availability network architecture.
- Experience with cellular networking and remote site failover technologies.
- Strong scripting or automation experience for network reporting and monitoring.
- Ability to troubleshoot complex enterprise networking issues.
- Excellent analytical and problem-solving skills.