Senior Systems Administrator

Addison Group; Dallas (TX); Hybrid; USD 90,000 - 110,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k)

Job summary

The Addison Group is seeking a Senior Systems Administrator in Dallas, TX. You will administer and engineer enterprise Microsoft environments, including Windows Servers, VMware/Hyper‑V, AD/GP/DNS, and PowerShell automation, with hybrid Azure cloud experience. Certifications AZ-800/AZ-801 are a plus.

You will own the systems environment, collaborate with IT personnel and business units, and contribute to mission-driven IT operations in a dynamic team.

Qualifications

• 6+ years of experience in enterprise Microsoft environments including administration and engineering in Windows Servers, AD/GP/DNS, O365, and PowerShell automation.

Responsibilities

• Owns and maintains systems environments in a hybrid Azure/On‑Prem setup.
• Collaborates with IT peers and business units to support stakeholders and ensure system reliability.

Skills

Windows Systems Administration

PowerShell automation

Azure Cloud

Stakeholder collaboration

Tools

VMware

Hyper-V

Active Directory

Group Policy

DNS

O365

SQL Server

Palo Alto Firewalls

Job description

Job Title: Senior Systems Administrator

Location: Dallas, TX

Salary Range: $90K-$110K

Benefits: Medical, Dental, Vision, 401(k)

We are looking to bring on a Senior Systems Administrator to our growing team. What we need is someone who brings 6+ years of experience working in enterprise Microsoft environments supporting administration and engineering. This tech stack includes experience needed in Windows Servers, Virtual Machines (VMware and Hyper‑V), SQL Servers, Active Directory (AD), Group Policy (GP), DNS, PowerShell automation, and the O365 suite. STA is also in a hybrid environment, so we will need someone who comes a similar background supporting Azure Cloud. Any certifications (AZ-800, AZ-801) will be a big plus.

This person will collaborating with other IT personnel as well as BUs/stakeholders but will need to own their systems environment. Personality-wise we will need someone who is passionate, eager to learn, and intentional about our mission.

Top Skills

• 6+ years of Windows Systems Administration
• Virtualization (VMware, Hyper‑V)
• AD, GP, DNS, O365
• PowerShell Automation
• Palo Alto Firewalls
• Certs: AZ-800 and AZ-801

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state, and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.