What are the responsibilities and job description for the Network Administrator position at SEMRHI?
Job Summary:
The Network Administrator is responsible for the design, implementation, management, and security of the organization's network infrastructure. This position ensures reliable and secure network connectivity across all locations, supports multi-site WAN/LAN environments, and plays a key role in infrastructure planning and network security initiatives.
Job Responsibilities:
- Manage and maintain LAN, WAN, and wireless network infrastructure across all organizational locations
- Configure, monitor, and troubleshoot routers, switches, firewalls, and wireless access points
- Administer network segmentation including VLANs, inter-VLAN routing, and guest network isolation
- Monitor network performance and availability using network monitoring tools and respond to alerts
- Manage DNS, DHCP, and IP address management (IPAM) across the environment
- Maintain and troubleshoot site-to-site and remote access VPN connections
- Support and administer SD-WAN and cloud-based networking solutions as applicable
- Implement and maintain firewall policies, access control lists, and network security rules
- Cybersecurity awareness training
- Monitor network traffic for anomalies, intrusion attempts, and policy violations
- Assist with vulnerability assessments and remediation of network-level findings
- Enforce network security best practices in alignment with organizational and regulatory requirements including HIPAA
- Manage IDS/IPS systems and respond to network security events
- Participate in the design and implementation of new network infrastructure for facility expansions and new site deployments
- Evaluate and recommend networking hardware, software, and services
- Coordinate with ISPs and vendors for circuit provisioning, troubleshooting, and escalations
- Maintain accurate and up-to-date network diagrams, documentation, and asset inventory
- Support structured cabling, rack management, and data center infrastructure as needed
- Serve as a subject matter expert and escalation point for network-related issues
- Mentor junior IT staff on networking concepts and best practices
- Collaborate with systems, security, and application teams on cross-functional projects
- Communicate network status, incidents, and planned changes to IT leadership
- Performs other duties as assigned.
- Completes all required trainings prior to deadline
Job Requirements:
- 3-5 years of network administration experience in a multi-site enterprise environment
- Strong hands-on experience with managed switches, firewalls, and enterprise wireless platforms
- Proficiency with network protocols including TCP/IP, BGP, OSPF, VLAN, STP, and QoS
- Experience with UniFi, Cisco, Meraki, or similar enterprise networking platforms
- Familiarity with network monitoring tools such as PRTG, SolarWinds, or similar
- Knowledge of HIPAA security requirements as they relate to network infrastructure preferred
- CompTIA Network , CCNA, or equivalent certification preferred; CCNP a plus
- Experience supporting healthcare or multi-site organizations preferred
- Must be available for on-call response to critical network incidents.
Physical and Other Requirements:
- Must be able to pass a criminal background check, drug screen, and TB skin test
- Ability to work in equipment rooms and data center environments required.
- May require travel between locations for on-site network support and project work.
- Must continuously listen, visualize, and have dexterity and eye-hand coordination
- Ability for simple grasping and speed work
- Must frequently sit, squat, reach, use both right and left forearm rotation, walk and climb stairs
- Must occasionally kneel, twist, have the ability to grasp firmly, lift and carry, push and pull in excess of 30 lbs.
Salary : $45,843 - $70,247