Network Administrator

CareerUS Solutions; United States; On-site; USD 65,000 - 105,000; Full time

Job summary

CareerUS Solutions is seeking an experienced Network Administrator to manage and optimize the organization's network infrastructure. The role focuses on configuring devices, monitoring performance, and ensuring secure, reliable network operations.

You will work with Cisco/Juniper equipment, implement security policies, and support IT teams to maintain high availability across LAN/WAN/VPN environments. Strong troubleshooting and communication skills are essential.

Qualifications

• Bachelor's degree or equivalent practical experience in CS/IT.
• Strong knowledge of TCP/IP, DNS, DHCP, VLANs, routing, and switching.
• Experience with enterprise networking equipment (Cisco/Juniper).
• Familiarity with firewalls, VPNs, and network security principles.
• Experience with network monitoring and troubleshooting tools.
• Knowledge of Windows Server and Linux networking fundamentals.
• Strong problem-solving and communication skills.

Responsibilities

• Install, configure, and maintain network devices (routers, switches, firewalls, APs).
• Monitor performance and troubleshoot connectivity issues.
• Manage LAN/WAN/VPN and wireless environments.
• Configure and maintain network security policies and access controls.
• Perform upgrades, routine checks, and backups; resolve outages.
• Document networks and diagrams; support IT operations.

Skills

TCP/IP

DNS

DHCP

VLANs

Routing

Switching

Windows Server

Linux networking

Problem solving

Communication

Education

Bachelor's degree in Computer Science/Information Technology

Tools

Cisco equipment

Juniper equipment

Firewalls

VPNs

Job description

We are looking for an experienced Network Administrator to manage, maintain, and troubleshoot an organization's network infrastructure. The ideal candidate will have strong knowledge of network configuration, security, monitoring, and performance optimization to ensure reliable and secure network operations.

Key Responsibilities

• Install, configure, and maintain network devices, including routers, switches, firewalls, and access points.
• Monitor network performance and troubleshoot connectivity issues.
• Manage LAN, WAN, VPN, and wireless network environments.
• Configure and maintain network security policies and access controls.
• Perform network upgrades, maintenance, and routine system checks.
• Identify and resolve network outages and performance issues.
• Monitor network traffic, bandwidth utilization, and network availability.
• Maintain network documentation, diagrams, and configuration records.
• Collaborate with IT teams to resolve technical issues and support business operations.
• Implement network backup, disaster recovery, and security procedures.
• Support users with network connectivity and access-related problems.

Required Skills and Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Strong knowledge of TCP/IP, DNS, DHCP, VLANs, routing, and switching.
• Experience with Cisco, Juniper, or other enterprise networking equipment.
• Familiarity with firewalls, VPNs, and network security principles.
• Experience with network monitoring and troubleshooting tools.
• Knowledge of Windows Server and Linux networking fundamentals.
• Strong problem-solving, analytical, and communication skills.

Preferred Qualifications

• CCNA, CCNP, Network+, or other relevant networking certifications.
• Experience with cloud networking platforms such as AWS or Microsoft Azure.
• Familiarity with network automation and scripting using Python or PowerShell.
• Knowledge of network security monitoring and incident response.