IT Infrastructure Operations Manager

IES Holdings, Inc. • Sugar Land, TX

1d • Onsite

About The Position

The Infrastructure Operations Manager provides operational leadership across system administration, identity and access management, endpoint management, and Microsoft 365 services (Exchange Online, OneDrive, Teams — including org-wide Teams Voice implementation — and Intune implementation). This role owns enterprise backup operations and DR/BCP runbook design and brings infrastructure-as-code practices into day-to-day operational workflows.
The Infrastructure Operations Manager leads the infrastructure systems team and drives operational stability and maturity, while partnering closely with the Cloud Platform Architect on Azure initiatives, infrastructure integration, and M&A activities.

Requirements

• 7–10 years in IT infrastructure/systems administration, including hands-on Microsoft 365 administration.
• 3–5 years in a people-management or team-lead capacity.
• 3+ years managing identity and access management (Azure AD/Entra ID) in a production environment.
• Experience deploying or implementing Intune for endpoint management at scale.
• Experience implementing Teams Voice/telephony (Direct Routing, Calling Plans, or Operator Connect) strongly preferred.
• 2+ years working with infrastructure-as-code tools (Terraform preferred).
• Experience owning or contributing to enterprise backup operations and DR/BCP planning.
• Experience implementing and supporting Azure Files or similar cloud file services.
• Experience operating in a hybrid (on-prem + Azure/M365) environment given ongoing infrastructure consolidation.
• Hands-on administration of Windows Server and core infrastructure (AD, DNS, DHCP, GPO).
• Azure AD/Entra ID administration — identity lifecycle, conditional access, MFA, privileged roles.
• Microsoft Intune — device enrollment, compliance policies, app deployment.
• M365 administration — Exchange Online, OneDrive, Teams (including Teams Voice/telephony).
• Enterprise backup operations experience (design, monitoring, troubleshooting failures).
• Experience contributing to or authoring DR/BCP runbooks.
• Working knowledge of Terraform or comparable IaC tooling.
• ITSM/ITIL process experience (incident, change, problem management).
• Proven direct people-management experience (hiring, performance reviews, coaching).
• Ability to partner effectively with architecture/security teams on cross-functional initiatives.
• Experience with automation of Employee On-Boarding and Off-Boarding Lifecycle.

Nice To Haves

• Microsoft Certified: Microsoft 365 Administrator Expert (MS-102).
• Microsoft Certified: Identity and Access Administrator Associate (SC-300).
• Direct Routing / Operator Connect implementation experience for Teams Voice.
• HashiCorp Certified: Terraform Associate.
• Azure Files implementation experience (AD DS/Entra Kerberos auth, Azure File Sync).
• ITIL Foundation certification.
• Azure Administrator Associate (AZ-104).
• Prior experience through an M&A integration or tenant consolidation project.
• Automation/scripting experience (PowerShell, Graph API) for identity, Intune, or backup provisioning.

Responsibilities

• Own day-to-day administration of core infrastructure, including Windows Server, Active Directory, DNS, DHCP, and Group Policy.
• Establish and maintain operational processes (incident, change, and problem management) aligned to ITIL and SOC 2 requirements.
• Drive patch management, monitoring coverage, and on-call/escalation processes across the environment.
• Own Azure AD/Entra ID administration, including identity lifecycle, conditional access, MFA, and privileged access management.
• Conduct regular access reviews and close identity governance gaps in partnership with security and compliance stakeholders.
• Lead implementation and ongoing administration of Microsoft Intune, including device enrollment, compliance policies, and application deployment.
• Drive endpoint compliance coverage across the organization's device fleet.
• Oversee administration of Exchange Online, OneDrive, and Teams.
• Lead the organization-wide Teams Voice implementation, including design, pilot, and phased cutover from legacy telephony.
• Oversee backup operations for enterprise systems, including job health monitoring and remediation of coverage gaps.
• Partner with the Cloud Platform Architect to design and maintain DR/BCP runbooks for critical systems.
• Establish and lead a recurring DR/BCP testing cadence, including tabletop exercises and live recovery tests.
• Deploy and support Azure Files across business divisions, including authentication and file sync configuration.
• Build and expand infrastructure-as-code practices (Terraform) to support repeatable, scalable operational workflows.
• Partner closely with the Cloud Platform Architect on Azure initiatives, infrastructure integration projects, and M&A technology onboarding.
• Manage, mentor, and develop a team of Infrastructure System Administrators.
• Support hiring, performance management, and professional development of direct reports.
• Guide the team through daily operations, project execution, and escalations.

Benefits

• Competitive Pay
• Company 401K plan with Employer Contribution Match
• Company Paid Time Off
• Company Paid Life Insurance
• Choice of Medical Coverage including Prescription and Short Term Disability Plans
• Choice of Dental and Vision Coverage
• Optional Long-term Disability, Critical Illness, Accident, Legal and Pet Coverage
• Auto and Home Insurance Discount Programs

What This Job Offers

• Job Type: Full-time
• Career Level: Manager
• Education Level: No Education Listed