Systems Administrator

Addison Group; Oklahoma City (OK); On-site; USD 85,000 - 105,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k)

Job summary

Addison Group is seeking a Systems Administrator in Oklahoma City to maintain and secure a large-scale enterprise IT environment. The role covers servers, identity management, cloud platforms, and core infrastructure. You will work across IT to ensure reliable operations and deploy projects.

The candidate will manage Windows Server and Linux, AD/GP, DNS/DHCP, and cloud services with PowerShell automation. Flexible collaboration and day-to-day problem solving are essential in this direct-hire,

Qualifications

• Bachelor's degree in a related field required.
• Experience in Windows Server and Linux environments.
• Knowledge of AD, GP, DNS, DHCP, PKI.
• Familiarity with Azure and M365 is a plus.

Responsibilities

• Administer and troubleshoot Windows Server and Linux environments.
• Support Active Directory, Group Policy, DNS, DHCP, and PKI services.
• Assist with virtualization, storage, backup, and DR technologies.
• Support Azure, M365, and other cloud platforms.
• Monitor performance, availability, and security of infrastructure.
• Collaborate with IT teams and vendors on initiatives.
• Use PowerShell to automate tasks and improve processes.
• Document configurations and procedures.

Skills

Windows Server

Linux

Active Directory

Group Policy

DNS

DHCP

PKI

Azure

Microsoft 365

PowerShell

Education

Bachelor's degree in Computer Science/Information Systems/Engineering

Tools

PowerShell

Job description

Job Title: Systems Administrator

Industry: Energy / Technology

Location: Oklahoma City, OK

Assignment Type: Direct Hire

Pay: $85,000 - $105,000 / annually depending on experience

Work Schedule: M-F, 8-5

Benefits

• This position is eligible for medical, dental, vision, and 401(k).

Must be authorized to work in the United States. Position is not eligible for sponsorship.

About The Company

Our client is seeking a Systems Administrator to support a large-scale enterprise IT environment. This position will work across servers, identity management, cloud platforms, and core infrastructure.

Job Description

The Systems Administrator will help maintain reliable, secure, and high-performing infrastructure while supporting day-to-day operations, troubleshooting, upgrades, and technology projects. This role will collaborate with IT teams to resolve technical issues and improve infrastructure operations.

Key Responsibilities

• Administer and troubleshoot Windows Server and Linux environments.
• Support Active Directory, Group Policy, DNS, DHCP, and PKI services.
• Assist with virtualization, storage, backup, and disaster recovery technologies.
• Support Microsoft Azure, Microsoft 365, and other cloud platforms.
• Monitor infrastructure performance, availability, and security.
• Assist with system upgrades, deployments, patching, and lifecycle management.
• Maintain technical documentation, procedures, and system configurations.
• Work with internal IT teams and vendors on infrastructure and application initiatives.
• Use PowerShell or similar scripting tools to automate tasks and improve processes.
• Provide technical troubleshooting and support across the IT organization.

Qualifications

• Bachelor's degree in Computer Science, Information Systems, Engineering, or a related field.
• Experience supporting Windows Server and/or enterprise Linux environments.
• Knowledge of Active Directory, Group Policy, DNS, DHCP, or related infrastructure services.
• Understanding of virtualization, cloud computing, networking, backup, and recovery concepts.
• Strong analytical, troubleshooting, and problem-solving skills.
• Ability to prioritize responsibilities and work effectively both independently and collaboratively.

Additional Details

• 1+ year of experience in systems administration, IT infrastructure, or a related technical role preferred.
• Microsoft Azure and Microsoft 365 experience is a plus.
• PowerShell or other scripting/automation experience preferred.
• Familiarity with ITIL, SOX compliance, or IT service management practices is beneficial.
• Experience in the energy industry is a plus.

Perks

• Exposure to a wide range of enterprise infrastructure technologies.
• Opportunities to work with cloud, automation, virtualization, and systems administration.
• Collaborative IT environment.
• Opportunity to contribute to infrastructure projects and technology improvements.

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.

IND 005-010