Sr IT Infrastructure Administrator

At Murphy Oil Corporation, we believe the rich experiences and backgrounds of our employees strengthen our Company, create a productive workforce, and drive our success. We encourage you to apply for the positions for which you meet the qualifications.

Job Summary The Sr IT Infrastructure Administrator is a senior technical contributor responsible for implementing, operating, supporting, and continuously improving Murphy Oil Corporation’s infrastructure platforms. The role supports a hybrid environment spanning on-premises datacenters, cloud services, and enterprise collaboration platforms.

The successful candidate will provide hands-on expertise across Windows Server, Active Directory, Microsoft Azure, Microsoft 365, virtualization, storage, backup, networking, and enterprise infrastructure operations. The position independently delivers complex infrastructure work, participates in operational support and on-call rotations, and collaborates with infrastructure, security, network, application, and business teams.  This role provides a development path toward the Staff, IT Infrastructure Platform Administrator position by building broader capability in hybrid platforms, automation, reliability, modernization, and technical leadership.

This role will work in our Houston Corporate office and may work two (2) days a week remote.
Responsibilities      Infrastructure Operations Serve as a critical member of the Infrastructure Operations team supporting enterprise technology platforms.

Administer and maintain Windows Server infrastructure, Active Directory, DNS, DHCP, Group Policy, file and print services, and related enterprise technologies.

Support enterprise virtualization, storage, backup, datacenter, and cloud infrastructure services.

Perform infrastructure lifecycle activities including deployment, upgrades, patching, maintenance, remediation, and platform modernization.

Monitor system health, performance, capacity, availability, and compliance across infrastructure platforms.

Participate in the infrastructure on-call rotation, incident response, troubleshooting, and service restoration.

Azure and Hybrid Cloud Deploy, manage, and support Microsoft Azure infrastructure services and hybrid integrations.

Assist with workload migration, modernization, and optimization across on-premises and Azure environments.

Support Azure virtual machines, storage, networking, monitoring, security controls, and operational readiness.

Contribute to repeatable cloud deployment, configuration, and infrastructure automation workflows.

Identity, Endpoint, and Collaboration Services Administer Active Directory, Azure Entra , and related enterprise identity services.

Maintain identity integration among Microsoft 365, Azure Entra , and on-premises Active Directory.

Support Microsoft Intune, endpoint policies, device compliance, and device lifecycle activities.

Administer Microsoft 365 services supporting enterprise collaboration and productivity.

Partner with Information Security and Global Controls teams to apply security, audit, SOX, and compliance requirements across infrastructure services.

Automation and Continuous Improvement Develop and maintain infrastructure automation using Power Shell, Bash, Python, or similar scripting technologies.

Participate in Infrastructure-as-Code, CI/CD, Git-based version control, and configuration management initiatives.

Identify and implement improvements that reduce manual work and increase infrastructure stability, reliability, and efficiency.

Create and maintain technical documentation, architecture records, runbooks, and operational procedures.

Project Delivery and Collaboration Participate in infrastructure projects from estimating and planning through implementation and operational transition.

Work collaboratively with infrastructure, network, security, application, vendor, and business teams to deliver technology solutions.

Communicate technical issues, risks, recommendations, and project status clearly to technical and non-technical stakeholders.

Research and share relevant infrastructure practices and emerging technologies that support continuous improvement.

Qualifications/Requirements High School Diploma or equivalent.

Minimum 10 years of experience in enterprise infrastructure administration, systems engineering, or related infrastructure operations roles, including at least 5 years of hands-on systems administration experience.

Experience administering Windows Server environments, Active Directory, DNS, DHCP, Group…