Senior Network Administrator

Job Description

Job Description

Network Administrator – Contract to Hire (3–6 Months)

Location : Thornton, CO (100% Onsite)

Target Salary on Conversion : $120,000–$150,000

Overview

A multi-entity industrial manufacturing group is hiring a Network Administrator to help stabilize, standardize, and secure infrastructure across multiple operating units. This is a contract-to-hire role , onsite in Thornton, Colorado , with the opportunity to convert to full-time based on performance and organizational alignment.

This role is ideal for someone who thrives in dynamic environments, enjoys hands-on work with infrastructure, and brings strong initiative and respectful confidence to their approach.

Key Responsibilities

Manage, configure, and troubleshoot VMware environments , LAN / WAN , firewalls , and other infrastructure components

Oversee user access, DNS / DHCP, and Group Policy in Active Directory and Azure AD

Administer and support Windows Server , O365 , and backup solutions

Monitor networks for performance, stability, and security threats; lead Tier III incident response

Collaborate with IT leadership to propose improvements, set standards, and document network configurations

Partner with cybersecurity stakeholders to ensure compliance with best practices

Create and manage user roles, permissions, and backup strategies

Support ongoing infrastructure upgrades, disaster recovery, and business continuity planning

Occasional travel (up to 30%) for project or site-level support

What You Bring

Required :

Bachelor's degree in Computer Science, Information Technology, or related field

8–10+ years of experience in infrastructure and network administration

Hands-on experience with :

VMware , Windows Server , Azure AD , Group Policy , PowerShell

O365 , LAN / WAN , DNS , DHCP

Knowledge of Fortinet firewall technologies , VPN , and multi-factor authentication

Strong documentation and troubleshooting skills; able to work independently

Professional, collaborative demeanor with the confidence to drive results respectfully

Preferred / Bonus Skills :

Familiarity with Fortinet firewalls , UniFi switching , LANSweeper , Mimecast

Experience with Synology appliances , backup solutions , or SAN storage (EMC, Cisco, Dell)

Exposure to CMMC and NIST frameworks

Certifications such as CISSP , CCNA , or CCNP

Work Conditions & Schedule

Standard : Monday–Friday, 8-hour day shift

Flexibility for after-hours or weekend support as needed during critical project phases

Onsite requirement in Thornton, CO

Indoor and outdoor work may be required; must be able to lift light-to-moderate equipment and navigate facility settings

Benefits Upon Conversion

Health, dental, and vision insurance

Health savings and flexible spending accounts

Life insurance

Paid time off

Employee assistance program

Why Apply?

Join a growing organization with significant investment in IT modernization

Be part of a team that values independence, initiative, and low-ego collaboration

Opportunity to shape infrastructure practices and own key technical decisions