Senior Systems Engineer

Solaris Energy Infrastructure•Houston, TX

12d•Onsite

About The Position

Solaris Energy Infrastructure, Inc. (NYSE:SEI) provides scalable equipment-based solutions for use in distributed power generation as well as the management of raw materials used in the completion of oil and natural gas wells. Headquartered in Houston, Texas, Solaris serves multiple U.S. end markets, including energy, data centers, and other commercial and industrial sectors. The Senior Systems Engineer delivers first-class, hands-on technical support to end-users, including the Executive Team at the Houston Corporate Office. This role combines deep infrastructure expertise with day-to-day end-user support, strong analytical and problem-solving skills, and a proactive approach to continuously improving the SEI technology environment. The right candidate is equally comfortable resolving a support ticket and architecting a system improvement — no task is beneath them, and no challenge is too complex.

Requirements

5+ years of progressive experience in systems/infrastructure engineering in a corporate IT environment
Expert-level Microsoft 365 administration: Entra ID, Exchange, Intune, Teams, SharePoint, Defender, Purview
Windows Server administration: AD, GPO, DNS, DHCP, file services
Nutanix HCI platform administration
Cisco Meraki administration: Dashboard, MX, MS, MR, and SD-WAN
Microsoft Teams Rooms with Logitech hardware: Rally Bar series, Tap, Scribe
Sophos EDR/XDR administration
Endpoint management via Intune and Windows Autopilot
Enterprise backup and recovery platforms, including DR testing and documentation
Exceptional interpersonal skills with the ability to build credibility and trust across all levels of the organization
Exceptional communicator – direct and transparent, skilled problem-solver with proven success in building coalitions and avoiding conflicts
Total ownership mentality – proactively identifies and removes obstacles across numerous ongoing tasks
Independent thinker – provides original thoughts and constantly asking “how can we do this better”
Innovative thinker – willingness to consider novel solutions and ability to adapt to change
Desirable teammate – impeccable character, humility, and collaborative
Relentless – aspires to contribute and achieve his/her full potential

Nice To Haves

Microsoft certifications: MS-102, AZ-104, or equivalent
Cisco Meraki certifications: CMNA or higher
Sophos Certified Engineer or equivalent
Experience supporting a publicly traded company (SOX exposure a plus)
Familiarity with ITIL service management practices
Experience with SolarWinds Service Desk or similar ITSM platforms

Responsibilities

Provide direct day-to-day technical support to end-users — hardware, software, M365, connectivity, and peripheral issues
Serve as the senior escalation point for complex issues, resolving tickets with urgency and clear documentation
Deliver a consistent, first-class technology experience for all end-users including the Executive Team
Manage printers, MFPs, monitors, docking stations, and peripherals
Own onboarding and offboarding technology execution — account provisioning, device setup, and hardware recovery
Maintain a high first-contact resolution standard and contribute to an IT knowledgebase
Administer the full M365 tenant: Exchange Online, SharePoint, Teams, OneDrive, Intune, Entra ID, Defender, and Purview
Manage licensing, conditional access, MFA, and data governance policies
Administer Teams governance, meeting policies, calling features, and external federation
Administer Windows Server environments: Active Directory, DNS, DHCP, Group Policy, and file services
Manage the Nutanix hyperconverged infrastructure platform — cluster health, high availability, and resource optimization
Administer the Cisco Meraki environment — MX appliances, MS switching, MR wireless, and SD-WAN via Dashboard
Maintain patching cadence and change control discipline across infrastructure layers
Manage enterprise backup platforms with tested, documented recovery procedures aligned to defined RTO and RPO targets
Conduct regular DR testing and maintain M365 data protection with verified recovery capability
Own the full device lifecycle — imaging, deployment, Intune/Autopilot configuration, and hardware refresh
Deliver device setup with zero-friction, same-day readiness as a standard of excellence for every new hire
Administer Sophos EDR/XDR — endpoint detection, response, and threat monitoring
Manage email security, identity controls, patch compliance, and vulnerability management
Support SOX IT controls, access reviews, and audit evidence gathering
Maintain security documentation and contribute to the IT risk register
Administer and proactively monitor Microsoft Teams Rooms (MTR) across all conference and collaboration spaces
Manage Logitech hardware (Rally Bar series, Tap, Scribe), firmware, policy via Teams Pro Management portal, and peripheral health
Conduct proactive room checks and pre-meeting validation to prevent issues before they occur
Develop standardized room configurations and runbooks for new site deployments
Conduct periodic reviews of the full technology stack and deliver written recommendations with business case justification
Identify and eliminate technical debt proactively — prioritized by risk and business impact
Stay current with vendor roadmaps and translate relevant developments into actionable proposals for leadership
Partner with the SVP of IT to maintain a forward-looking infrastructure roadmap aligned to SEI’s Growth