Senior Systems Engineer

Senior Systems Engineer

Company Profile:
USA DeBusk is a best-in-class mechanical and industrial cleaning services provider specializing in servicing the downstream energy market. We offer the full suite of maintenance and turnaround services including hydro blasting, hydro cutting, hydro excavation, chemical cleaning, PEPTM polymer extraction service, vacuum services, tank cleaning, degassing/vapor control, FCC catalyst handling and transportation, and specialty turnaround services. Founded in 2012, USA DeBusk currently has field offices in 24 cities and continues to provide services internationally.

Position Summary:
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.

Key Responsibilities:
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.

Qualifications:

• 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.

EQUAL EMPLOYMENT OPPORTUNITY:

USA DeBusk is an equal opportunity employer, and we thrive on our differences for the benefit of our employees, our customers, and our community. It is our policy to provide equal opportunities in all decisions related to hiring, training, and promoting regardless of race, religion, color, gender, disability, national origin, ancestry, age, military status, sexual orientation, marital status or any legally protected characteristic or class.