Systems Administrator, Information Technology

OWL Services•Irving, TX

8h•Hybrid

About The Position

OWL Services is seeking an experienced IT Systems Administrator to join our IT Infrastructure team. This role will primarily focus on the administration, maintenance, and modernization of Windows Server environments, both on-premises and in Microsoft Azure, across multiple domains and business units. These environments support several companies acquired through mergers and acquisitions, requiring strong technical depth, adaptability, and excellent communication skills. The ideal candidate is hands-on, security-conscious, comfortable working in hybrid environments, and able to independently manage priorities while collaborating closely with a distributed IT team.

Requirements

5–7 years of hands-on experience administering and supporting IT infrastructure, primarily Microsoft Windows Server environments.
Experience managing multiple on-premises Active Directory domains, including trusts.
Strong experience supporting hybrid environments (on-prem and cloud).
Proven experience managing both physical and virtual servers.
Experience with PowerShell or other scripting/automation tools.
Solid understanding of networking fundamentals, including TCP/IP, DNS, DHCP, VPNs, VLANs, and network segmentation.
Strong troubleshooting and problem-solving skills with the ability to work independently.
Demonstrated ability to manage tasks and projects without constant supervision.
Excellent written and verbal communication skills, including technical documentation.
Familiarity with Entra ID (Azure AD), Intune, and identity platforms such as Okta.
Experience with Azure IaaS, Azure Virtual Desktop, and hybrid identity scenarios.
Experience with backup, disaster recovery, and storage platforms.

Nice To Haves

Experience supporting environments resulting from mergers and acquisitions a plus.
Familiarity with Linux administration a plus.

Responsibilities

Administer, maintain, and support Windows Server environments (on-premises and Azure with some Linux).
Manage and support physical and virtual servers, including provisioning, configuration, performance tuning, and lifecycle management.
Support and maintain virtualization platforms such as VMware, Hyper-V, and Azure.
Ensure servers are patched regularly, secure, and compliant with company standards.
Monitor system health, availability, and performance; proactively identify and remediate issues.
Troubleshoot and resolve network and system issues across on-premises and cloud environments.
Support Active Directory across multiple domains and trusts, including DNS, DHCP, Group Policy, etc.
Assist with infrastructure modernization efforts, including migration of legacy systems to cloud-first and/or hybrid solutions.
Participate in business continuity and disaster recovery (BCDR) planning, testing, and response activities.
Support secure infrastructure architectures, including MFA and Privileged Access Management (PAM).
Assist with remediation of security findings and infrastructure hardening efforts.
Collaborate with IT leadership, Applications Team and IT Operations team members, and external partners to ensure infrastructure aligns with business and compliance requirements.
Plan and execute infrastructure projects, balancing multiple priorities and ensuring timely delivery.
Maintain accurate and up-to-date documentation, including architecture diagrams, configuration standards, and system inventories.
Provide cross-functional support during peak periods or team absences.
Utilize scripting and automation tools (primarily PowerShell) to improve efficiency and consistency.
Stay current on emerging infrastructure technologies and recommend improvements to scalability, performance, and cost efficiency.
Maintain clear and timely communication during normal business hours, with reasonable responsiveness to team messages when working remotely.