NETWORK ADMINISTRATOR II

The Marvin Group is a leading defense contractor specializing in the development and manufacturing of systems for military aerospace and vehicles. Based in Southern California near Los Angeles International Airport, the company comprises Marvin Engineering (MEC), Marvin Test Solutions (MTS), and Marvin Land Systems (MLS), serving the Department of Defense and global allies for over 60 years.

About the role

This is a hands-on position responsible for installing, configuring, monitoring, and maintaining network infrastructure with a strong emphasis on LAN switching technologies. The role involves working closely with senior network administrators to ensure optimal performance, security, and scalability of the company’s network environment.

Responsibilities

• Install and configure network switches (Aruba, HP, Cisco)
• Monitor and maintain network switch performance
• Assist with switch configuration and upgrades
• Manage IDF installations and cable organization
• Troubleshoot technical issues with escalated tickets
• Configure and maintain network protocols (VLAN, STP, LACP)
• Provide firewall support and basic routing configuration
• Document network configurations and topology
• Collaborate on network security compliance

Requirements

• 3+ years of hands-on experience in network administration or a similar role
• Strong expertise in LAN/WAN infrastructure, including switch installation, configuration, and troubleshooting
• Proficiency with Aruba, HP, and Cisco switches, including CLI-based configuration (VLAN, STP, LACP, trunk/access ports, port security, etc.)
• Ability to perform switch provisioning, firmware upgrades, and advanced configuration tasks via command line interfaces (SSH/console)
• Experience working with fiber cabling, including terminating, connecting, and troubleshooting fiber links between switches and patch panels (LC/SC connectors, SFP/SFP+ modules)
• Experience with network firewalls and basic routing concepts
• Familiarity with network monitoring tools and performance optimization techniques
• Knowledge of IDF installation, structured cabling standards, labeling, and cable-management best practices
• Understanding of network security principles, including 802.1X, NAC, and access control policies
• Ability to work with SSO technologies (Okta) and multi-factor authentication (2FA) solutions
• Strong documentation skills for network topology, patching, fiber mapping, and switch configurations
• Resourceful, with strong problem-solving abilities and the capability to work independently and collaboratively
• Excellent written and verbal communication skills
• Bachelor’s degree in a related field OR 5+ years of relevant network administration experience
• Professional certifications such as Cisco, Aruba Certified Switching Associate, or equivalent are highly preferred

Work Environment

• Sitting at a desk for long periods using computers, printers, phones, and other office equipment
• Being on call to ensure network and computer systems are always functioning properly
• Ability to work evenings and weekends
• Remote work may be required
• Team environment

Pay

Base Salary Range (Inglewood only): $75,000 to $86,250