Office Administrative Assistant

Job Title: Office Administrative Assistant

Location: Kansas City, MO 64108 (In-Office)

Job Type: Full-Time

Pay: $45,000–$50,000 per year

Schedule: Monday–Friday, 8:00 AM–5:00 PM, Evenings and Weekends as needed.

About Us

Shamrock Roofing & Construction is a family-owned roofing and construction company founded in Kansas City in 1977. We've grown rapidly across the Midwest, with operations in Missouri, Nebraska, Oklahoma, and Arkansas, while keeping the tight-knit, team-first culture we started with. Our employees are valued, and our customers are treated like family.

About the Role

We're hiring a full-time Office Administrative Assistant for our Kansas City headquarters. In this role, you'll provide administrative support to our senior executive team and help keep daily office operations running smoothly. The work is varied and includes scheduling, calendar management, phones and email, data entry, document preparation, and vendor communication. If you're organized, dependable, and enjoy being the person everyone counts on, we'd love to meet you.

Experience supporting executives or leadership teams is a plus but not required.

Responsibilities

• Provide administrative and clerical support to the senior executive team.
• Manage calendars, schedules, and daily task lists for multiple executives.
• Schedule internal and external meetings, prepare agendas, and follow up on action items.
• Answer, screen, and route incoming phone calls and emails.
• Serve as a point of contact for vendors and handle vendor communication.
• Prepare documents, reports, and business correspondence.
• Perform data entry and maintain records in Excel and Google Sheets.
• Support day-to-day office operations, including filing, office supplies, and general office organization.
• Assist with special projects and company initiatives as needed.
• Handle confidential information with professionalism and discretion.

Benefits

• Medical, dental, and vision insurance, eligible after 30 days.
• Paid time off, which begins accruing after 30 days.
• 401(k), eligible after 6 months.

What Success Looks Like in Your First 90 Days

• Executives trust you to manage their calendars and communications with minimal oversight.
• You've built strong working relationships with internal teams and key vendors.
• Day-to-day office operations run more smoothly because you're in the role.

• 2 years of administrative assistant, office assistant, office support, or executive assistant experience preferred but not required.
• Proficiency in Google Workspace, including Gmail, Google Calendar, Google Docs, and Google Sheets.
• Working knowledge of Microsoft Excel for data entry, basic reporting, and spreadsheet management.
• Strong organizational, multitasking, and time-management skills.
• Professional written and verbal communication and customer service skills.
• Attention to detail and accuracy.
• Ability to handle sensitive and confidential information with discretion.
• Reliable, self-motivated, and able to work independently.
• Positive, team-oriented attitude and a willingness to pitch in wherever needed.
• Comfortable in a fast-paced office environment.

Additional Information

Shamrock Roofing & Construction participates in E-Verify. We are an equal opportunity employer and do not discriminate on the basis of race, color, religion, sex, national origin, age, disability, sexual orientation, or genetic information. All offers are contingent on a successful background check, including criminal history and Motor Vehicle Record (MVR) review.

Ready to apply? Submit your resume today and join a Kansas City company built on trust, hard work, and taking care of its people since 1977.