Senior Systems Engineer

The Senior Systems Engineer is responsible for architecting, managing, and supporting USAD hybrid IT infrastructure, including on-premises VMware virtualization platforms and Microsoft 365 cloud services. This role ensures high availability, security, and performance across server, storage, and cloud environments while contributing to lifecycle planning, incident response, and continuous improvement initiatives. The Senior Systems Engineer collaborates closely with IT Operations, Cybersecurity, and business stakeholders to deliver resilient, scalable, and secure technology solutions., Server Infrastructure Management:

• 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.

Microsoft 365 and Azure Cloud Administration:

• 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.

Operational Support:

• 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.

Do you have experience in Windows?, Do you have a Bachelor's degree?, * Bachelor's degree in information technology, Computer Science, or related field.

• 7+ years of experience supporting enterprise server environments.
• Strong proficiency with Microsoft 365, Azure AD, and endpoint management.
• Expertise in Windows Server administration, networking fundamentals, and PowerShell automation.
• Experience with backup platforms and enterprise storage systems.
• Strong understanding of security principles, identity management, and cloud governance.

Key Competencies:

• Strategic thinking and decision-making.
• Strong problem-solving and analytical skills.
• Excellent communication and interpersonal abilities.
• High attention to detail and risk-awareness.
• Ability to manage multiple projects.

USA DeBusk offers the industrial infrastructure sector a technologically advanced and complementary suite of high-value traditional and specialty services for turnarounds, routine maintenance, and unplanned outages. We help customers save time, reduce costs, and optimize their processes while assuring best-in-class safety and compliance. Primary service lines include chemical cleaning; emission controls; fabrication services; FCCU hot catalyst handling; hydro blasting; hydro excavation; hydro cutting; inert catalyst handling; inspection; mechanical rental; nitrogen; pigging, decoking & filtration; pipeline integrity and field services; reactor cleaning; tank cleaning; transportation; unit decontamination; vacuum services; and waste solutions. USA DeBusk was founded in 2012, and our headquarters is in Deer Park, TX. We operate numerous offices, service centers, and customer-site-based locations across North America. Visit www.usadebusk.com for more information.