Title: Senior System Engineer
Location: Houston, TX (Onsite)
Duration: Long-Term Contract
This is a hands-on operational role requiring sound technical judgment, disciplined task management, clear communication, and effective coordination with internal teams, managed service providers (MSPs), and technology vendors.
Key Responsibilities
Identity, Access & Active Directory
- Administer Active Directory objects and core services, including organizational units (OUs), Group Policy Objects (GPOs), DNS, DHCP, LDAP integrations, service accounts, and privileged accounts.
- Process infrastructure access requests in accordance with established security controls and least-privilege principles.
- Generate operational, audit, and inventory reports using PowerShell.
Windows Server, Virtualization & Platform Operations
- Build, configure, maintain, and troubleshoot Windows Server 2016 and later.
- Monitor server availability, health, capacity, and performance; investigate alerts and coordinate root cause analysis (RCA) and corrective actions.
- Maintain appropriate administrative access to VMware vCenter environments and support day-to-day virtualization activities.
- Support enterprise storage services, including SAN, NAS, object storage, archiving, and cloud storage.
Patching, Software Deployment & Backup
- Coordinate with the MSP on Microsoft Endpoint Configuration Manager (MECM/SCCM) application packaging, software deployment, and Windows patching activities.
- Validate patching results, track exceptions, and follow up on failed or incomplete deployments.
- Monitor enterprise backup jobs, investigate failures, and coordinate remediation and recovery activities using platforms such as Commvault.
Microsoft 365 & Azure Support
- Resolve operational requests and incidents involving Microsoft Teams, SharePoint Online, Exchange Online, Power Platform, and other Microsoft 365 services.
- Support Azure infrastructure and related cloud services within established architecture, security, and governance standards.
- Assist with hybrid service issues that span on-premises infrastructure and Microsoft cloud platforms.
Operational Support & Coordination
- Own and resolve infrastructure incidents, service requests, and operational tasks received through tickets, email, or in person.
- Prioritize work based on business impact, urgency, dependencies, and service commitments.
- Work effectively with internal IT teams, MSPs, and vendors; provide clear status updates, document actions taken, and escalate risks or blockers when required.
- Maintain accurate technical and operational documentation.
Required Qualifications
- Minimum of three years of focused experience administering Active Directory and related core services in an enterprise environment.
- Strong hands-on experience with on-premises enterprise IT infrastructure and Windows Server 2016 or later.
- Hands-on experience with VMware or a comparable enterprise virtualization platform.
- Practical experience with enterprise storage technologies, including SAN, NAS, object storage, backup, archiving, and cloud storage services.
- Strong knowledge of Microsoft 365 services and Azure cloud architecture, with hands-on administration or support experience.
- Working knowledge of on-premises messaging environments and hybrid messaging concepts.
- Working knowledge of networking concepts related to hosted services, application connectivity, resiliency, and performance.
- Working knowledge of MECM/SCCM, including application packaging and deployment.
- Strong understanding of Windows patching processes and enterprise patching cycles.
- Working knowledge of enterprise backup solutions such as Commvault.
- Working knowledge of infrastructure monitoring platforms such as SolarWinds.
- Proficiency with PowerShell for administration, troubleshooting, and reporting.
- Excellent time-management, task-management, documentation, and communication skills.
- Ability to manage vendor and MSP relationships effectively and work independently in a fast-paced support environment.
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