Under the direction of the Information Technology Manager, the Network Administrator is responsible for managing, maintaining, and securing the organization's network infrastructure and systems. This role ensures the availability, performance, and security of all network and security systems to support business operations effectively.
Responsibilities
Design, implement, and maintain local area networks (LANs), wide area networks (WANs), and wireless networks
Configure, manage, and support routers, switches, firewalls, VPNs, and other network infrastructure
Monitor network performance, troubleshoot issues, and optimize configurations for reliability and efficiency
Maintain network documentation, including diagrams, device configurations, procedures, and key processes
Perform regular backups of network configurations and conduct recovery testing to support business continuity
Implement and enforce security policies, procedures, and standards to safeguard networks and systems
Configure, monitor, and manage firewalls, intrusion detection and prevention systems (IDS/IPS), and other security appliances
Perform vulnerability assessments and penetration testing to identify security weaknesses and recommend remediation measures
Respond to security incidents, conduct investigations, and implement solutions to mitigate risks
Apply patches, updates, and security fixes to systems, applications, and hardware
Manage user access controls, including VPN permissions and remote access, in accordance with organizational security policies
Assist in managing servers, virtual machines, and storage systems
Maintain Active Directory, DNS, DHCP, and other network services
Support email security, antivirus, and endpoint protection solutions
Support compliance with applicable industry regulations, standards, and organizational policies, including HIPAA, ISO, and PCI DSS, as applicable
Maintain network and security logs, generate performance and incident reports, conduct audits and risk assessments, and recommend improvements
Collaborate with internal IT team members, vendors, and service providers
Provide occasional technical support and training to end users as needed
Contribute to management-level reporting
Perform other related duties as assigned
Requirements
Bachelor’s degree in Computer Science, Information Technology, or a related field, with relevant certifications, or a high school diploma or equivalent with at least five years of network administration experience, relevant coursework, and certifications
3–5 years of experience in network administration or a related field
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Strong knowledge of network protocols, including TCP/IP, DNS, DHCP, and SNMP
Experience configuring and supporting routers, switches, firewalls, and VPNs
Experience with network monitoring and troubleshooting tools
Knowledge of security protocols and best practices, including firewalls, intrusion detection systems, and VPNs
Familiarity with Microsoft Azure, Microsoft Entra, Azure DevOps, and related technologies
Excellent communication, teamwork, and organizational skills, with the ability to work independently and manage multiple priorities in a fast-paced environment
Valid driver's license with an acceptable driving record
Employees using a personal vehicle for agency business must maintain the required minimum automobile liability insurance
Proficiency in configuring and managing network switches, routers, and firewalls
Familiarity with VPN technologies and remote access solutions
Knowledge of security frameworks and best practices, including NIST and CIS
Experience with SIEM tools, intrusion detection and prevention systems (IDS/IPS), and vulnerability scanning tools
Proficiency in Windows and Linux operating systems
Hands-on experience with cloud platforms, such as Microsoft Azure and AWS, and hybrid environments
Nice to have:
CCNA or CCNP (Cisco Certified Network Associate/ Professional)
CompTIA Security+ or Network+
CISSP (Certified Information Systems Security Professional)
CEH (Certified Ethical Hacker)
Important Details
Physical Demands & Work Environment: Work primarily in an office environment, with occasional work in server rooms, data centers, or other locations containing network equipment
Ability to travel between work locations as needed to install, inspect, maintain, or troubleshoot network equipment
Occasional walking, standing, bending, or reaching when installing or servicing network hardware
Ability to sit for extended periods and operate a computer for network monitoring, troubleshooting, documentation, and reporting
Clear verbal communication in person, by phone, and through virtual meetings
Occasional lifting, pushing, or pulling of computer equipment and networking devices weighing up to 25 pounds
Adequate visual acuity to read documentation, monitor computer screens, and review detailed network configurations and system alerts
Work in a typical office setting with standard lighting, temperature, and moderate noise levels, with occasional exposure to equipment noise or varying temperatures in server rooms
Employees are expected to follow safe and ergonomic work practices
About the Company
San Gabriel/Pomona Regional Center (SG/PRC) is a private, non-profit agency contracted with the State of California, Department of Developmental Services (DDS) to provide services and supports to individuals with intellectual and developmental disabilities. We proudly serve 30 cities across the Foothill, Pomona, and El Monte Health District within Los Angeles County. Our services span the full lifespan from infants and toddlers, school-age children, and transition-age youth to adults and aging adults. At SG/PRC, our work is guided by compassion, collaboration, integrity, and a shared commitment to making a meaningful difference in the lives of the individuals and families we serve.
