The County Office Manager plays a central role in keeping department operations running smoothly and efficiently. Reporting to the Department Head, this position provides high-level administrative, fiscal, and program support while overseeing the organization and daily functions of the County Administrative Office. Responsibilities include managing contracts and official documents, supporting budget tracking and financial processes, coordinating Board agenda items, maintaining office systems and web content, and supervising support staff. This is a dynamic role that requires strong organizational skills, attention to detail, and the ability to manage multiple priorities in a fast-paced public service environment.
The Ideal CandidateThe ideal candidate is a highly organized and detail-oriented professional with strong administrative and analytical skills. They are comfortable managing complex office operations, tracking budgets and expenditures, and preparing clear, accurate written materials. This individual communicates effectively, exercises sound judgment, and maintains confidentiality in sensitive situations. They are proactive, adaptable, and able to prioritize competing tasks while meeting deadlines. Experience supervising staff, working with public agencies, and handling fiscal processes is highly valued. A collaborative mindset and commitment to providing excellent service to both internal teams and the public are essential for success in this role.
The DepartmentThe County Administrative Office (CAO) for Mono County provides central coordination and administrative support to ensure the effective operation of county government. Working closely with the Board of Supervisors and County departments, the CAO oversees key functions such as budget development and fiscal management, policy implementation, interdepartmental coordination, and organizational planning. The office plays a vital role in aligning departmental activities with County priorities, supporting transparent decision-making, and delivering responsive public services.
In Mono County, the CAO operates within a small, collaborative environment where staff have the opportunity to work across a variety of programs and initiatives that directly impact the community. The office is committed to efficient service delivery, fiscal responsibility, and maintaining strong partnerships both within the organization and with the public it serves.Mono County offers the opportunity to make a meaningful impact through public service while enjoying an exceptional quality of life. As a small, collaborative county organization, employees work closely with leadership, take on diverse responsibilities, and see the direct results of their work in the community.
What employees value about working at Mono County: Employees appreciate Mono County’s location and lifestyle benefits, strong benefits package (including CalPERS retirement and health coverage), collaborative teams, and the opportunity to make a direct impact in public service. Our smaller, close-knit work environment fosters meaningful connections and supports work–life balance.
The RegionMono County is a rural region with a dynamic community of 13,000 residents located in the eastern side of California’s Sierra Nevada range. Development is increasing in the area due to the consistent growth of the town of Mammoth Lakes. Known as “California’s Great Beyond” this natural playground offers a complete range of amenities and activities making it an ideal place to live and work. Enjoy fine shops, restaurants, and cafes. Snowboard, ski, or bike down mountain trails, fish for trout, explore the backcountry, play a round of golf, relax in soothing hot springs, or paddle a kayak along the shores of Mono Lake.
The town of Mammoth Lakes is the most populated region of Mono County, hosting Mammoth Mountain Ski area and various resort-community amenities. On the quieter side, June Lake, Lee Vining, Bridgeport, Walker, Coleville, Chalfant, and Benton offer a more rural atmosphere, unlimited outdoor adventures, and small-town charm.
Mono County, California’s Eastern Sierra- Retirement: CalPERS retirement and 457/401(a) Plans available.
- Medical: CalPERS health plans
- Dental & Vision (Monthly Premium 100% covered by County)
- Vacation: 15 days vacation per year upon hire
- Sick pay
- Discounted gym memberships
- Merit Leave (At-Wil/Mgmt)
About the roleUnder the direction of the County Department Head or Supervisor, the County Office Manager serves as office manager, and is responsible for all administrative support and organization within the office.
DISTINGUISHING CHARACTERISTICSThis is a highly specialized administrative and program support position responsible for planning, organizing, coordinating, and performing administrative management, fiscal support, and/or program operation functions for County Departments. This position may be assigned supervisory responsibilities for the day-to-day direction and oversight of other administrative, fiscal, or internal support staff.
CLASSIFICATIONS SUPERVISED:Office Assistants, Interns, and/or Fiscal & Technical Specialist positions, as assigned.
ESSENTIAL DUTIES AND RESPONSIBILITIES(The following is used as a partial description and is not restrictive as to duties required.)
- Provides highly specialized administrative management and support for County Departments.
- Under direction preparing contracts, resolutions, ordinances, updates to County Policies and other County documents.
- Manage accounts receivable and accounts payable processes, including preparing and processing invoices, tracking incoming payments, verifying certificates of insurance, and ensuring timely and accurate payment of obligations.
- Preparing agenda items for submission to the County Board of Supervisors.
- Managing the County office internal and external web pages.
- Providing specialized and confidential administrative support.
- Preparing, indexing and maintaining office files.
- Purchasing and maintaining office supplies.
- Coordinates the use and maintenance of vehicles assigned to the Office by scheduling routine maintenance, service, and necessary repairs to ensure vehicles remain safe and operational.
- Supervises and supports assigned staff by providing clear direction, setting performance expectations, and fostering a collaborative an professional work environment.
- Assisting with the development and monitoring of office budget and expenditures.
- Making travel arrangements and reconciling travel expenses by reviewing receipts, invoices, and reimbursement requests to ensure accuracy and compliance with county travel policies.
- Monitoring on-going fiscal expenditures, revenues, fund transfers, and purchase orders.
- Preparing correspondence, reports, flyers, presentations or other materials.
- Coordinating the development and production of the County’s annual report by gathering information, data, and updates from departments across Mono County.
- Provides administrative and program support to the Housing Analyst by assisting with housing-related projects, research, and program implementation.
- Proofreading and formatting documents.
- Drafting cover letters and similar communications.
- Processing mail.
- Posting agendas.
- Answering office phones.
- Processes and coordinates payroll by reviewing for accuracy and ensuring proper coding of hours and leave.
- Assist with department safety meetings by preparing agendas and materials and documenting meeting minutes and supporting workplace safety policies.
- Taking meeting minutes.
- Performing other tasks as requested to ensure smooth office functioning.
DESIRABLE QUALIFICATIONSKnowledge of:
- Preparation of standard documents, with supervision.
- Word processing and computer applications, including Microsoft Word, Excel, Zoom, Teams, Adobe (Adobe Sign), and PowerPoint.
- Business English usage, grammar, spelling, vocabulary and punctuation.
- Filing, indexing and cross-referencing methods.
- Proper telephone etiquette and procedures
- Professional office support and/or management
Ability to:
- Understand and prepare basic legal documents (e.g., contracts, ordinances and resolutions).
- Manage administrative functions within a County Department.
- Identify and correct basic English usage or typographical errors in documents.
- Prepare, index and maintain files.
- Plan, organize and prioritize workload.
- Track expenditures and office budget.
- Deal courteously and professionally with County staff, representatives of other agencies, and the public.
- Analyze situations accurately and determine an effective course of action.
- Maintain confidentiality of materials and use discretion in sensitive situations.
- Establish and maintain cooperative working relationships
Ability to Learn and Master:
- County software programs and functions such as Civic Plus, CitySuite, OpenGov and Sharepoint.
- Systems, policies and functions of the County Department and Mono County to effectively function within the organization.
- Development and administration of the County Department’s budget.
Necessary Skills and Qualifications:
- Highly developed organizational skills and scrupulous attention to detail.
- Ability to pursue multiple tasks to completion within a specified timeframe.
- Strong follow-through and communication skills.
- Strong analytical and writing skills.
- Driver’s license valid in California
TRAINING AND EXPERIENCE:Any combination of training and experience which would likely provide the required knowledge and abilities is qualifying. A typical way to obtain the required knowledge and abilities would be:
Three (3) years of increasingly responsible experience performing administrative support and/or office management services in a professional office, including a variety of administrative support work and experience in fiscal monitoring and reporting.
TYPICAL PHYSICAL REQUIREMENTSSit for extended periods, frequently stand, and walk; normal dexterity and hand-eye coordination; lift and move objects weighing up to 25 pounds; corrected hearing and vision to normal range; verbal communication; use of office equipment, including computer, telephone, copier and FAX
TYPICAL WORKING CONDITIONSWork is usually performed in an office environment, with frequent contact with staff and the public.