Office Assistant Senior

Macomb County Government; Michigan; On-site; USD 41,000 - 53,000; Full time

Benefits offered by this job

Health insurance

Dental coverage

Vision coverage

No premium for employees

Job summary

Macomb County Government is seeking an Office Assistant Senior in the Community Mental Health department. The role involves clerical and accounting duties with accuracy and independent judgment.

Benefits include comprehensive medical, dental, and vision coverage with no monthly premium for employees and dependents. The position is full-time (37.5 hours/week) starting at 8:30 a.m., with a salary range of $41,328.19 to $53,454.55 per year, and closing on 08/27/2026.

Qualifications

• High school diploma or GED equivalent.
• One year of office clerical work experience.
• Valid Michigan driver’s license and operable vehicle.
• Associates degree or higher preferred.
• Excellent data entry and record-keeping skills.

Responsibilities

• Determines eligibility for programs funding.
• Performs data entry for record keeping, tracking, registration, inventory and ordering.
• Processes invoices and posts payments.
• Receives payments, deposits money, and balances cash.
• Maintains department records and prepares documents.

Skills

Interpersonal skills

Customer service

Time management

Data entry

Office software

Education

High school diploma or GED

Associates degree

Tools

Spreadsheet software

Accounting software

Job description

As part of our total benefit package, Macomb County proudly offers medical, dental, and vision coverage, with no monthly premium to employees for single, two (2) person or family coverage. Health care, dental and vision benefits are effective the first day of employment.
Office Assistant Senior
To learn more about Macomb County benefits click here

Office Assistant Senior
Salary
$41,328.19 - $53,454.55
Department
Community Mental Health
Opening Date
08/13/2026
Closing Date
08/27/2026 12:00 a.m.
FLSA STATUS: Non-exempt - overtime pursuant to Collective Bargaining Agreement
EMPLOYMENT RELATIONSHIP: Just cause subject to probationary period
CURRENT HOURS AND STARTING TIME: Full-time (37.5 hours per week) position. The current start time for this position is 8:30 a.m.
General Summary
Performs a variety of clerical and/or accounting duties, which require an understanding of departmental operations, a high degree of accuracy and independent judgment.
Essential Duties & Responsibilities
Determines eligibility for programs funding in following policies and program directives.
Performs data entry for record keeping, tracking, registration, inventory and ordering.
Maintains inventory of perishable/non-perishable supplies and materials.
Updates and maintains computer records at the office, County and State of Michigan level.
Processes invoices as accounts payable/receivable, prepare and submit requests for payment of invoices and post payments entries.
Answers procedural questions regarding various departmental functions, duties, actions and procedures, schedule appointments, set court dates, etc.
Assists customers in person, on line or over the telephone.
Receives (cashier), process and deposit payments/money for fees, fines, assessments, permits, tax payments, prepare and make daily bank deposits, etc.
Performs bookkeeping to balance accounts, requests check, make journal entries, maintain spread sheets, etc.
Prepares a variety of documents and correspondence using personal computers, printers, email, and other electronic means for Department Heads, Elected Officials, Managers, Supervisors and others.
Operates a variety of computer database software programs required for efficient operation of services.
Manages and accounts for petty cash operations.
Arranges Interpreter Services, coordinate scheduling and process billing arrangements.
Enters payroll data, run verification reports, split time to multiple funding sources.
Audits accounts (internal/external), verify debits/credits, apply appropriate adjustments and update account status.
Reviews forms, letters and legal documents for accuracy, correcting errors or rejecting forms to the originator to have them corrected and resubmitted.
Maintains a variety of department, program and office operational records including registrations, licenses, credentials of staff, attendance, property/land ownership, leases and contracts, etc.
Provides office administration and phone support to department staff, supervisors, managers and department directors.
Schedules appointments, events, hearings and or meetings for staff, consultants, attorneys and others.
Operates standard office equipment such as personal computers, facsimile machines, copiers, scanners, calculators and adding machines.
Operates an automobile to perform assigned job functions.
Performs related duties as assigned.
Qualifications
Required Education and Experience
High school diploma or GED equivalent
One (1) year of office clerical work experience
Required Licenses Or Certifications
Possession of a valid Michigan driver’s license and operable, insured automobile for authorized travel
Preferred Education And Experience
Associates degree or higher
Three (3) or more years of office clerical, bookkeeping or accounting related work experience
Knowledge Of
COMPETENCIES FOR SUCCESSFUL PERFORMANCE OF JOB DUTIES:
Modern office procedures and methods
Various and specialty designated data processing/computer systems and applications for office administration across many departments in the County
Principles and practices of basic bookkeeping and invoice processing
General clerical/administrative support and secretarial processes common to office administration
Accounts receivable and payable procedures
Payroll processing and timekeeping
Manual and electronic filing and record keeping procedures and retention schedules
HIPAA and other laws or County policies for maintaining record confidentiality
County, State of Michigan and department policies and practices for ordering and maintaining inventory of necessary supplies for daily office/clinic or department operation
A variety of programs eligibility, enrollment and verification policies and practices
Database applications and report writing, data mining and collection for operational review (Financial/Electronic Medical Records, Court Case Management and others)
Skill In
Interpersonal skills necessary to develop and maintain effective and appropriate working relationships with staff and the public
Providing customer service to internal and external customers via phone, email and in person
Performing a variety of duties, often changing from one task to another of a different nature
Performing somewhat complex mathematical functions such as addition, subtraction, multiplication, division, percentages, and ratios
Organization and time management
Operating personal computers with current versions of office efficiency software and applications
Performing data entry to multiple types of database applications for registration, enrollment, service provision, billing, inventory and statistical review and reporting
Assigning, prioritizing, monitoring, and reviewing work assignments
Ability To
Work in an environment which embraces the county’s Dignity Campaign
Engages effectively with diverse communities; interact with people in an inclusive manner that respects cultural and socio-economic differences
Effectively speak, write and understand the English language
Effectively speak, write and understand a language other than English is preferred
Understand and carry out oral and written directions
Accurately organize and maintain paper documents and electronic files
Maintain the confidentiality of information and professional boundaries
Take initiative and work independently
Provide excellent customer service to both internal and external customers with tact and courtesy
Meet schedules and deadlines of the work
Perform moderate level clerical/administrative related duties with a high degree of accuracy
Lead and train staff and coworkers
Learn new policies, practices and procedures
Read and understand laws, rulings and other published guidance
Handle, process and account for large sums of cash/money
Understand and follow complex registration, eligibility and enrollment guidelines
Work Environment/Conditions
The work environment and exposures described here are representative of those an employee encounters while performing the essential functions of this job.
The AFSCME-Local 411 bargaining unit represents this position. Therefore, there may be contract language which could require consideration in the selection process.
GRANT OR EXTERNALLY FUNDED POSITION – This position will continue only if sufficient grant or external funds are provided.