Senior System Engineer

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.

Essential Functions

Desktop & End-User Support

• 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

Microsoft 365 & Cloud Productivity

• 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

On-Premises Infrastructure

• 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

Backup & Disaster Recovery

• 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

Endpoint Lifecycle & Deployment

• 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

Cybersecurity

• 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

AV Systems & Microsoft Teams Rooms

Meeting spaces must be ready and reliable - every time.

• 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

Continuous Improvement & Technology Advisory

• 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

• 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

Preferred Qualifications

• 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

culture through competitive pay and benefits packages and ongoing career development.

• Competitive compensation packages
• Medical, Dental & Vision benefits
• Disability Insurance
• Company paid Life and AD&D insurance with supplemental offerings
• Company matching 401(k) retirement plan
• Paid time off, including 10 paid holidays
• Career Progression
• Tuition Reimbursement

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.