← Search all jobs

Office Manager

Advastar

Overland Park, KS · Posted October 13, 2026

Just laid off? Start here: a plan for the first weeks

See every open role at Advastar

More in Kansas job market · All Office Manager jobs (143) · Healthcare & Hospital Systems · Administration jobs

More roles at Advastar

Similar jobs

Where Overland Park, KS ranks

Where Overland Park, KS placed in our monthly rankings, month by month. Each month stays online at its own address.

How AI is used in this kind of work

Among first-line supervisors of office and administrative support workers, AI is already used for some of the tasks. Measured exposure for first-line supervisors of office and administrative support workers: 19% (some).

Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.

Check how this applies to your own job

Skills this job asks for

Say which you have and which you want to build. We use it to match you to jobs like this one.

About the job

A well-established commercial general contractor is hiring an Office Manager to run the business side of a small, tight-knit office. This is the hub role: you keep the books clean in QuickBooks, carry payroll and HR, support the owner directly, and keep projects and the office running without being asked twice. If you are the person who already quietly runs the office you are in, and you want one seat where your judgment actually matters, this is that seat.Anticipated $75K–$100K, based on experienceBenefits include: Health, Dental, Vision, 401K w/ match, PTO, holidaysSchedule: Monday–Friday, 8:00 AM–5:00 PMOn-site, professional office in Corporate Woods; business casualOverviewOwn day-to-day accounting in QuickBooks: AP, AR, credit card reconciliation, deposits, wires/ACH, and weekly/monthly/annual reporting the owner can trustPrepare pay applications and lien waivers, manage W9s, and prepare and distribute 1099s for subcontractorsAdminister payroll through an outside payroll partner and oversee federal and state tax paymentsRun HR for the office: onboarding, PTO, personnel files, open enrollment, handbook and policy upkeep, and complianceKeep insurance current: manage the COI log, renewals, and auditsSupport the President directly: calendar, meeting notes, and keeping priorities movingSupport project managers: document management, project tracking, bid invites, submittals, and weekly status reportingKeep the office itself running: reception, phones, supplies, vendors, and the overall look and feel of the spacePreferred Skills and ExperienceHigh school diploma required; associate’s or bachelor’s in business, accounting, or a related field is a plusNotary Public, or willingness to become oneStrongly Preferred: 3+ years as an office manager, business manager, full-charge bookkeeper, or senior administrative professional in a professional office setting (construction, accounting, legal, banking, or similar)Strongly Preferred: hands-on QuickBooks experience running AP/AR, reconciliations, and reportingProficiency in MS Outlook, Word, and ExcelExperience administering payroll and supporting HR functions (onboarding, PTO, files, compliance)Construction back-office exposure (pay applications, lien waivers, COIs, 1099s) is a strong plus; PROCORE experience or willingness to certify is a plusSharp, polished, and genuinely client-facing, with strong written and verbal communication and real attention to detailComfortable owning a broad role in a small office where no two days look the sameKeywords: Office Manager, Office Administrator, Business Manager, Full-Charge Bookkeeper, Bookkeeper, Accounting Assistant, Accounts Payable, Accounts Receivable, QuickBooks, Payroll Administration, Executive Assistant, Administrative Assistant, HR Coordinator, Onboarding, Human Resources, PROCORE, Lien Waivers, Pay Applications, Certificate of Insurance, COI, 1099, W9, Notary Public, Construction Office, General Contractor, Overland Park, Johnson County, Customer Service, Front OfficeEEO