Sr. Systems Engineer – Costa Mesa, Ca – onsite

JOB TITLE: Sr. Systems Engineer

LOCATION:

Costa Mesa, CA 92627

100% onsite – no hybrid or remote

SALARY: $130K -$150K (open for discussion based on experience and seniority)
REPORT TO: CTO

SIZE OF EMPLOYEES in COMPANY: 100+

SIZE OF STAFF to MANAGE: 1

INDUSTRY: Water Supply

Hours of Operation: Standard 8-5 M-F

REQUIRES: US Citizenship or Legal/Permanent Resident Green Card

PREFERRED Qualifications:

• Certifications:
  
  Microsoft Certified:
  Endpoint Administrator Associate, CompTIA Network+, Security+, or equivalent.
• Industry
  
  Experience:
  
  Prior experience supporting public utilities, municipal water organizations, critical infrastructure, or high-touch VIP enterprise accounts

REQUIRED Qualifications:

• 5+ years of progressive experience in endpoint engineering, systems administration, or senior IT support within an enterprise environment.
• Strong hands-on experience administering Windows 11, Microsoft 365 (E5), Entra , and Microsoft Intune / Autopilot zero-touch deployment workflows.
• Demonstrated expertise in utilizing remote support tools and executing privileged administrative elevations to perform deep-level endpoint troubleshooting and system remediation.
• Practical knowledge of local network troubleshooting (TCP/IP, VLANs, DNS, DHCP, VPNs, switches, patch panels, and Wi‑Fi access points) to partner effectively with the remote Senior Network Architect.
• Hands-on experience or working familiarity with Solar Winds (or equivalent enterprise monitoring tools) for performance tracking, alert triage, and health reporting.
• White-Glove VIP Support:
  Exceptional interpersonal and communication skills with a proven track record of delivering patient, high-touch support to executive leadership and critical utility operations personnel.
• Process & Documentation Discipline:
  Strong organizational skills and the ability to write clear SOPs, technical escalation notes, and site infrastructure diagrams without working in a silo.
• Onsite Commitment:
  Must be able to work full-time onsite in Costa Mesa, CA, and satisfy client onboarding/background clearance requirements.

As Senior Systems Engineer, you will serve as the lead onsite technical anchor and trusted IT advisor for our client in Costa Mesa, CA. Backed by our client’s remote senior cloud architects, you will take total ownership of the local IT ecosystem – driving zero-touch Microsoft Autopilot provisioning, Intune app rollouts, hardware deployments, and deep-level endpoint remediation.

This high-visibility role combines elite white-glove executive support with modern endpoint engineering. If you thrive on operational self-discipline, technical leadership, and direct client impact, this is your platform to excel.

• Manage end-to-end device life cycles via Microsoft Autopilot and Intune (zero-touch provisioning, profile configuration, app deployment, and compliance enforcement).
• Establish secure, elevated remote administrative access workflows to perform deep-level operating system, driver, and application remediation directly on end-user machines.

• Utilize Solar Winds for real-time network/systems performance monitoring, proactive alert response, and health reporting.
• Lead local network troubleshooting (switches, patch panels, cabling, VLAN access, and Wi‑Fi access points) and collaborate directly with the remote Senior Network Architect to diagnose, support, and remediate core infrastructure issues.

• Support local identity and access workflows in Entra  (group policy application, Conditional Access troubleshooting, and MFA resolution).
• Act as the senior onsite escalation lead for complex endpoint, identity, and system issues across the Costa Mesa facility; partner with remote Chief Architects to test and validate global policies prior to deployment.

• Deliver…