Sr. Systems Engineer

JOB TITLE: Sr. Systems Engineer LOCATION: Costa Mesa, CA 92627 - 100% Onsite 100% onsite - no hybrid or remote SALARY: $130K -$150K (open for discussion based on experience and seniority) 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 ID, 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 SolarWinds (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. 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.