Sr. Network and Systems Administrator

Job DescriptionJob Description

Job Title: Sr. Network/Systems Administrator

Location: Beaumont, TX area or Corpus Christi, Texas

Job Type: Full-Time, Exempt

Compensation: $110000 - $120000 / Year = + bonus

Benefits: This position is eligible for medical, dental, vision, 401(k), and PTO.

A growing industrial services organization is seeking an experienced Senior Systems & Network Administrator to support and modernize IT operations across multiple U.S. sites. This is a hands-on, full-scope role — about 50% systems administration and 50% network administration, supporting both on-prem and cloud environments.

You’ll work closely with both corporate leadership and plant-level teams, so strong communication skills and the ability to collaborate across office and field settings are essential. The company is looking for someone who brings transparency, reliability, and proactive communication to their IT function — someone who can manage infrastructure while helping modernize and standardize systems company-wide.

What You’ll Do:

• Manage and maintain servers, virtual machines, and network infrastructure across several sites.
• Support a Microsoft environment including Azure, Windows Server, Active Directory, Group Policy, and O365.
• Configure and maintain VMware environments and Meraki networking equipment.
• Oversee data center operations and cloud integrations to ensure uptime, security, and scalability.
• Collaborate with operations and corporate teams to plan IT budgets, prioritize projects, and implement best practices.
• Partner with vendors and internal teams to improve transparency and communication across locations.
• Provide Tier 2/3 support and mentor junior IT staff as needed.

What You Bring:

• 5–10+ years of progressive IT experience covering both systems and network administration.
• Strong knowledge of Microsoft technologies (Azure, Windows Server, O365) and VMware virtualization.
• Experience managing Active Directory, Group Policy, and Meraki networks.
• Background in ERP system environments (Epicor a plus).
• Excellent interpersonal skills with the ability to work effectively with both shop-floor and executive stakeholders.
• Bachelor’s degree (or equivalent experience).

Travel & Location:

This role requires about 25% travel between company locations in Texas and Louisiana. Candidates based near Beaumont, TX are , though those in Corpus Christi, La Porte, Sulphur, or St. Gabriel will also be considered. When not traveling, you’ll work a hybrid schedule with a few in-office days each week.

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants without regard to , color, , gender, , , , disability, genetic information, marital status, amnesty, or status as a covered veteran, in accordance with applicable federal, state, and local laws. Reasonable accommodation is available for qualified individuals with disabilities upon request.