County Office Manager

MONO COUNTY, CA
Mammoth Lakes, California United States  View Map
Posted: Apr 07, 2026
  • Salary: $87,276.80 - $106,080.00 Annually USD Annually
  • Salary Top:106080
  • Full Time
  • Clerical and Administrative Support
  • Job Description

    Job Summary

    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 Candidate
    The 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 Department
    The 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.

    About the County

    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 Region

    Mono 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

    Benefits Highlights

    • 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)


    Additional Information

    About the role
    Under 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 CHARACTERISTICS
    This 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 QUALIFICATIONS
    Knowledge 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 REQUIREMENTS
    Sit 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 CONDITIONS
    Work is usually performed in an office environment, with frequent contact with staff and the public.

    Mono County Summary of Benefits

    The following information is intended to provide a summary of benefits and does not include full details of coverage. Service limitations and restrictions may apply depending on coverage levels and services rendered.

    Pay Periods and Payroll Deductions

    County employees are paid on a bi-weekly basis, which consists of 26 pay periods per year. Payroll deductions including medical and most voluntary deductions will occur on a semi-monthly basis or 2 times per month. Retirement contributions will always be deducted on all 26 pay periods.

    Medical Mono County Contracts with CalPERS

    To provide health insurance for its employees and currently offers several Preferred Provider (PPO) Plans which are administered by Anthem Blue Cross. Employees have the option to choose from PERS Gold, PERS Platinum, and PORAC. The PORAC Plan is currently only available to members of the Safety group employee's. Medical plan costs vary based on the plan and coverage you select. The employee and the County share the cost of the plan, which is deducted on a pre-tax basis. The employee’s cost is in accordance with the applicable Memorandum of Understanding with each bargaining group. For more information regarding health plans, please visit: https://www.calpers.ca.gov/page/active-members/health-benefits/plans-and-rates

    Dental Mono County

    Offers a self-insured dental plan administered by Ameritas.
    Dental premium coverage is provided to eligible Mono County employees at 100% employer paid.

    Vision

    Vision Service Plan is our Vision Insurance provider. Our plan is VSP Signature. Benefits include:
    • well/vision exam every 12 months, carries a $10 copay.
    • $160 allowance for frames and 20% off amount over allowance.
    • $180 allowance for contacts and contact lens exam and 15% off contact lens fitting and evaluation. Currently Vision coverage is provided to eligible Mono County employees at 100% employer paid.
    Basic Life Insurance
    Administered by Madison Life, Mono County Employees are entitled to Life Insurance and Accidental Death and Dismemberment.

    Mono County also offers coverage to employee’s spouse and dependents. Life Insurance is administered by Voya Insurance.
    • Coverage for General Employees is $5,000.00
    • At-Will/Elected Employees/Paramedic Coverage is $50,000.00
    • Coverage for Employee’s Spouse is $1,000.00
    • Coverage for Employee’s Children is also $1,000.00
    • Coverage for Employee’s Children under six months is $100.00

    Currently Basic Life coverage is provided to eligible Mono County employees at 100% employer paid.

    Supplemental Life Insurance - Administered by Colonial Life.

    Employees have the option of enrolling in a Supplemental Life insurance policy for themselves, their spouse and any dependent children. This policy is purchased by the employee with rates based on the age group at the time of enrollment.

    Supplemental life insurance coverage can be enrolled in the first 31 days of employment without proof of good health, after 31 days proof of good health is required. Amounts available are as follows:
    • For Employee up to $150,000 (guaranteed issue) or up to $500,000 with proof of good health
    • For Spouse up to $50,000.00 and for the Employee’s Children for $10,000.00.

    Flexible Spending Accounts and Optional Insurances

    Provided by AmeriFLEX Flexible Spending Accounts for medical reimbursement and dependent care are available through a Section 125 account administered by AmeriFLEX . These accounts allow you to contribute pre-tax dollars to help pay for eligible medical and dependent care expenses.

    Mono County Deferred Compensation 457/401(a) Plan

    The County provides deferred compensation plan through Internal Revenue Code Section 401(a) Employees have the option to sign up for the 457-deferred compensation plan and contribute up to the maximum amount allowed by the IRS. If the employee contributes a total of 1-5% of their pre-tax salary, the County will match those contributions up to a maximum of 5% into a 401 (a) plan under the employee’s name. The employee may direct the investment of all contributions in accordance with the options or limitation provided by the 401(a) Plan.

    CalPERS Retirement Benefits and Contributions

    Mono County contracts with CalPERS for your retirement plan. Your retirement plan is a defined benefit plan determined by a set formula which uses your years of service, age at retirement, and highest one or three years of service. The Plan is funded by contributions from the employee, the County and investments from plan assets.

    Mono County has a Local Miscellaneous group and a Local Safety group.

    Your benefit formula will fall within one of these two groups

    Most new members will fall within the new Pension Reform Formulas of 2 @ 62 for Miscellaneous & 2.7 @ 57 for all Safety Group. However, if you do have prior membership you may be eligible for the formulas that were in place on December 31st 2012, before Pension reform went into place. Our pre-pension reform formulas are:

    Local Miscellaneous Group = 2.5% @ 55

    Local Safety - Sheriff = 3% @ 55

    Local Safety - Fire = 2% @ 50

    Local Safety - County Peace Officer = 3% @ 50

    Find out all about your CalPERS benefits at www.calpers.ca.gov

    EAP - Employee Assistance Program

    Mono County offers two different Employee Assistance Programs through Trindel Insurance Fund and NIS. Both programs include counseling and telephone consultation services addressing a variety of personal topics to promote a healthy family and work life balance.

    Mono County Wellness Program

    Mono County offers a discounted rate, as well as $25 towards Membership to local health clubs at the Double Eagle in June Lake or Snowcreek Athletic Club.

    For employees living or working in Bridgeport, there is a County maintained facility in the Bridgeport Memorial Hall that employees have access to for a small one-time fee of $10.00

    SICK & VACATION

    Sick - (Unless an applicable collective bargaining agreement provides otherwise)

    Eligible employees will accrue sick leave at the rate of 12 sick days per year. Permanent part-time employees accrue sick leave on a prorated basis.

    Vacation- (Unless an applicable collective bargaining agreement provides otherwise)

    Eligible employees shall be entitled to accrue vacation leave with pay for each year of full-time service as follows:

    Initial employment ----------------------------------10 days vacation per year

    After three years of continuous service------15 days vacation per year

    After ten years of continuous service--------17 days vacation per year

    After fifteen years of continuous service---19 days vacation per year

    After twenty years of continuous service--20 days vacation per year

    Permanent part-time employees accrue vacation on a prorated basis.

    Mono County Holidays

    Mono County recognizes 16 holidays as outlined in the Mono County Policies and Procedures and Personal Holidays according to the specific MOU (Memorandum of Understanding) according to your represented group.

    “Welcome to Mono County - A great place to live and work!!”

    Closing Date/Time: 4/20/2026 11:59 PM Pacific
  • ABOUT THE COMPANY

    • County of Mono
    • County of Mono

    Wild by nature, Mono County is a destination that is full of adventure. Set on the eastern slopes of California’s Sierra Nevada mountain range, Mono County is a rare environment of natural contrasts: soaring granite peaks, spacious desert vistas, quiet lakes, bubbling hot springs, cold mountain streams, winter snows, sunny summer skies, rolling sagebrush hills, vibrant wildflower meadows.

    Best of all, this natural playground is matched with a complete range of amenities and activities making it an ideal place to get away from it all. Enjoy an array of fine shops, restaurants, cafés, snowboard or bike down mountain trails, fish for trout, relax in a soothing hot spring, or paddle a kayak along the shore of an ancient inland sea.

    The Town of Mammoth Lakes is the most populated area of Mono County and offers fine schools, shopping, dining and recreation. The County Seat is located in picturesque Bridgeport located 360 miles north of LA and 182 miles SE of Sacramento. The northern areas of the county include Topaz, Coleville and Walker. The southern areas of the county include Crowley Lake, Benton, Mono City, Lee Vining, and Chalfant.

    Rat Race? Looking for a lifestyle change with a great quality of life? Mono County is a sparsely populated rural county that offers numerous recreational opportunities for the outdoor enthusiast. Ski or snowboard at Mammoth and June Mountains, fish and hike the Sierra, and enjoy working where you vacation. An outstanding opportunity exists in the beautiful Eastern Sierra.

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