Network & Systems Infrastructure Administrator II

Kelly; Portland (OR); On-site; USD 85,000 - 110,000; Full time

Job summary

Kelly is seeking an experienced Infrastructure Administrator II to support enterprise IT infrastructure across multiple locations. The role focuses on network and systems administration, troubleshooting, upgrades, security, and project support.

You will administer servers, networks, firewalls, and VoIP, while ensuring performance, backups, and security. Collaboration with teams and vendors is essential, with on-call rotation as needed.

Qualifications

• 3+ years of experience in systems administration, network administration, or infrastructure support.
• Strong hands-on experience with networking, servers, virtualization, Active Directory, Windows/Linux, firewalls, and wireless technologies.
• Knowledge of network protocols, routing, security, encryption, backup, and disaster recovery.
• Experience with scripting/automation and command-line tools.
• Strong troubleshooting, analytical, documentation, and communication skills.

Responsibilities

• Administer and maintain servers, networks, switches, routers, firewalls, wireless, storage, and VoIP systems.
• Troubleshoot and resolve complex network, server, and infrastructure issues.
• Support Windows/Linux servers, Active Directory, virtualization, and enterprise systems.
• Monitor system performance, security, backups, capacity, and availability.
• Design, configure, upgrade, and document network and infrastructure environments.
• Develop scripts and automation to support infrastructure administration.
• Support infrastructure projects, migrations, upgrades, testing, and deployments.
• Implement security, access control, encryption, backup, and recovery procedures.
• Create and maintain technical documentation, network diagrams, procedures, and standards.
• Work with vendors, service providers, and internal teams to resolve issues and coordinate infrastructure changes.
• Participate in change management, capacity planning, and an on-call rotation as needed.

Skills

Networking

Systems administration

Documentation

Troubleshooting

Communication

Education

Associate’s or Bachelor’s degree in Computer Science, MIS, Information Systems, or related field

Tools

Cisco networking

VMware

Windows/Linux

PowerShell/Bash

Active Directory

Jira

Job description

Kelly is seeking an experienced Infrastructure Administrator II to support enterprise IT infrastructure across multiple locations. The role focuses on network and systems administration, troubleshooting, upgrades, security, and project support.

You will administer servers, networks, firewalls, and VoIP, while ensuring performance, backups, and security. Collaboration with teams and vendors is essential, with on-call rotation as needed.