Facilities Operations & Administration Lead

San Manuel; Highland (CA); On-site; USD 60,000 - 72,000; Full time

Job summary

San Manuel is seeking a Senior Administrative Assistant for Facilities in Highland, CA. The role partners with Facilities leadership to manage administrative and operational tasks and supports cross-department coordination within a dynamic, project-driven environment.

Responsibilities include budget oversight, GL analysis, payroll coordination, contract management, and comprehensive document preparation. Strong MS Office skills and meticulous, confidential handling are essential.

Qualifications

• High School Diploma or GED required.
• Associate’s degree in Business and/or related field preferred.
• Minimum five years of related administrative experience required.
• Proficiency in Microsoft Office Suite applications (Word, Outlook, PowerPoint, Excel).

Responsibilities

• Provides high-level administrative support to department leadership and safeguards confidential records.
• Leads annual operating budgets for multiple cost centers and conducts GL analysis with variance explanations.
• Manages employee timekeeping and payroll processes, ensuring accurate timesheets and compliance with policies.
• Oversees processing of quotes, proposals, and invoices; tracks requisitions and expenditures.
• Manages vendor contracts lifecycle and communicates upcoming expirations.
• Prepares a wide range of business documents and manages departmental credit card programs and monthly reconciliations.
• Manages office supplies, work orders, maintenance requests, and employee recognition events.

Skills

MS Office proficiency

Communication skills

Budgeting

Payroll coordination

Time management

Education

High School Diploma or GED

Associate’s degree in Business or related field preferred

Tools

Microsoft Office (Word, Outlook, PowerPoint, Excel)

Job description

San Manuel is seeking a Senior Administrative Assistant for Facilities in Highland, CA. The role partners with Facilities leadership to manage administrative and operational tasks and supports cross-department coordination within a dynamic, project-driven environment.

Responsibilities include budget oversight, GL analysis, payroll coordination, contract management, and comprehensive document preparation. Strong MS Office skills and meticulous, confidential handling are essential.