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USA DeBusk · 4 hours ago

Senior Systems Engineer

Houston, TX

Full-time

Onsite

Senior Level

7+ years exp

USA DeBusk is a leading provider of mechanical and industrial cleaning services in the downstream energy market. The Senior Systems Engineer is responsible for architecting and managing the hybrid IT infrastructure, ensuring high availability, security, and performance across various environments while collaborating with IT Operations and Cybersecurity teams.

ChemicalCleanTechIndustrialOil and GasProfessional Services

Responsibilities

Design, implement, and maintain virtual and physical server infrastructure

Oversee performance tuning, capacity planning, upgrades, and lifecycle management of the virtual infrastructure

Manage Windows Server environments, including AD DS, DNS, and Group Policy

Administer enterprise storage platforms and SAN/NAS systems supporting VMware workloads

Support backup and disaster recovery solutions; participate in BC/DR testing

Monitor infrastructure health and respond to incidents to minimize downtime

Manage core Microsoft 365 services: Exchange Online, SharePoint Online, OneDrive, Teams, and Intune

Configure and support Azure AD identity services, conditional access, MFA, SSO, and role-based administration

Oversee compliance, security, and data governance features

Administer endpoint management via Intune, including device configuration, patching, and policy enforcement

Troubleshoot mail flow, Teams performance, SharePoint permissions, authentication, and integration issues

Respond to escalations, troubleshoot complex issues, and ensure root-cause analysis for recurring problems

Participate in on-call rotation for critical infrastructure support

Work with vendors for hardware/software support, licensing, and issue resolution

Participate in vulnerability assessments and remediation activities

Support audit activities and ensure compliance with company security policies

Maintain logging, monitoring, and alerting systems to detect anomalies and performance issues

Qualification

Microsoft 365Azure ADWindows Server administrationPowerShell automationEnterprise storage systemsSecurity principlesStrategic thinkingProblem-solvingCommunication skillsAttention to detailProject management