Office Manager – Sioux City, IA

Austin Community College; Sioux City (IA); On-site; USD 28,929 - 30,307; Full time

Benefits offered by this job

120 hours of paid time off

12 paid company holidays

Health savings account

401k plan with company match

Job summary

A regional advertising firm in Sioux City, IA, is seeking an Office Manager to maintain office functions, handle payroll, and assist in HR processes. The ideal candidate has a high school diploma, proficiency in Microsoft Office, and two years of office experience. This full-time role offers a competitive salary and benefits including paid time off and health plans.

Qualifications

• Requires 2 years of experience in an office environment.
• In lieu of experience, college education will be accepted.
• Must be able to work independently and as a team member.

Responsibilities

• Maintain accounts receivables and payables.
• Act as a liaison for corporate Human Resources.
• Provide administrative assistance to all employees.

Skills

Excellent command of the English language

Attention to detail

Proficiency in Microsoft Office Suite

Strong work ethic

Ability to handle diverse challenges

Education

High School Diploma or Equivalent

College degree in Business or related field

Tools

Microsoft Office Suite

Fax machine

Copiers and scanners

Job description

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Job Category: Administrative
Requisition Number: OFFIC006107
Posted: October 2, 2025
Schedule: Full-Time
Job Location Type: On-site
Locations: Sioux City, IA 51106, USA

Description

The Office Manager keeps the office spinning right round by keeping our office up-to-date, informed, and organized! If you’re a master of office procedures, we have a great opportunity for you! Our Lamar office in Sioux City, Iowa is now hiring a new management team member to help us bring outdoor advertising campaigns to life for brands in Sioux City, IA and the surrounding areas.

The purpose of the Office Manager is to handle all administrative functions and responsibilities as well as maintaining payroll hours, and working closely with Human Resources on company-wide policies and regulations. This position will most likely serve as the sole administrative personnel in the office, but may also supervise one additional employee.

Why Lamar?

Lamar Advertising has been named as a “Best Company to Work For” in U.S. News & World Report’s annual ranking.

• An hourly range of $21 - $22/ hour dependent on relevant experience and qualifications
• 120 hours of paid time off (PTO) that increases with tenure
• 12 paid company holidays, including President's day and Juneteenth
• A comprehensive 1 month training program
• Ongoing professional development and internal leadership programs to maximize your career potential
• Multiple medical plan options and health savings account
• Hospital, Critical Illness, and Accident coverage
• Short & long-term disability and paid parental leave
• Employee Stock purchase plan
• 401k plan with company match
• Wellness program incentives such as medical plan premium holidays and HSA contributions

What we are looking for in YOU:

• Requires an excellent command of the English language, both written and verbal.
• Skill in speaking with persons of various social, cultural, economic, and educational backgrounds
• Requires continual attention to detail in composing, typing and proofing materials, establishing priorities and meeting deadlines
• Strong work ethic – someone who takes great pride in professionalism, responsibility, and is proactive
• Must be able to work independently and as a team member
• Must possess proficiency in Microsoft Office Suite (Word, Excel, PowerPoint)
• Ability to use fax machine, copiers, scanners and binding machines
• Requires the ability to handle different challenges each day and adequately prioritize those demands

Education and experience:

• High School Diploma or Equivalent
• A college degree in Business, Business Administration, or related field is preferred
• 2 years of experience in an office environment is required. In lieu of experience, college education will be accepted
• Or another equivalent combination of education and experience

Please note: Upon submitting your application, you will be asked to complete an 8-15 minute personality assessment. This assessment compares your professional soft skills to the skills required for success in this role. Please answer honestly; this is not a test! Not completing this assessment could result in disqualification from consideration for this position.

Candidates with a disability in need of an accommodation to fulfill our application requirements should email [e-mail].

A day in the life:

• Maintain accounts receivables for the company office. Includes making calls, sending correspondence, updating the ATB (Aged Trial Balance), and communicating with the sales department about past due accounts
• Responsible for updating the billing system including client information, accounts, and contracts
• Maintain accounts payable for the company office. Includes processing invoices, recording pertinent information (company, date, amount, etc.), coding invoices to the correct department, and sending invoices to corporate for payment
• Act as a liaison at the local office for corporate Human Resources. Includes assisting in the hiring and affirmative action process, maintaining employee information, assisting employees with benefit questions, worker’s compensation, and assisting with any other human resource requirements needed.
• Provide administrative assistance to all employees at the office, as needed, such as assisting the sales department prepare contracts, answering collections questions, providing invoice copies, assisting operations employees with payroll, etc.
• Provide information, including compensation, to corporate departments (Payroll, Human Resources, Credit department, Accounts Payable, Accounts Receivable, etc.), as needed
• Run errands for the office as needed. For example, going to the post office for stamps, sending certified mail, making deposits, etc.

The following duties may vary, depending on location need:

• Will most likely serve as the sole administrative personnel at the office and perform additional duties such as: answering phones, typing correspondence, inputting and researching data, logging in and ordering production, taking and uploading POP photos, charting responsibilities (digital and/or static structures), and managing social media content
• May support Operations with administrative duties such as: maintenance of OSHA logs, handle Operations Manager’s and GM’s expense reports upon request, misc. truck mileage reporting, petty cash, etc.
• May supervise one other administrative staff
• Complete any special requests/projects from General Manager, Sales Manager, or Operations Manager

Physical Demands and Work Environment:

• The primary work environment for this position is an office.
• The physical demands for this position include light lifting, seeing (with a focus on reading, acuity, and depth perception), and talking.
• Nights spent away from home traveling are less than 10%.

Lamar is an EEO/AA employer including Individuals with Disabilities, Protected Veterans, and any other State or Federally protected characteristic.

Please note: Lamar Advertising does not sponsor or take over sponsorship of a work visa. Only candidates with U.S. work authorization not requiring sponsorship will be considered for employment.

SMS and Email Communications:

By providing your contact information and submitting this form, you agree to receive email and SMS communications from Lamar Advertising Company regarding job opportunities, hiring events, and career-related updates. Message and data rates may apply. You can opt out at any time by emailing [e-mail] or replying 'STOP' to text messages. Your information will be processed in accordance with our privacy policy.

Disability Self-Identification:

When applying for a job with Lamar, you will be asked to voluntarily self-identify whether you have a disability. Please take a moment to watch this video for clarification on why we’re asking for this information!

California Residents -

Lamars collects personal information in the ordinary course of considering job applicants. This information may include, for example, name, address, phone number and other contact information, employment history and reference contact information, and any other information provided by an applicant to Lamar. By submitting an application, you consent to the use or sharing of this personal information solely for the purpose of consideration for employment by Lamar. Lamar will not sell this information.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.