Office Manager / Administrative Assistant

Salas O'Brien • Greenwood Village, CO

2d

About The Position

The Office Manager / Administrative Assistant provides day-to-day administrative and operational support to help ensure the office runs smoothly and efficiently. The role is a central point of contact for office coordination, administrative processes, and internal support, and assists leadership and team members with scheduling, communications, and general administrative needs. The ideal candidate is organized, proactive, detail-oriented, and comfortable managing multiple priorities in a professional services environment.

Salas O’Brien is an employee-owned engineering and professional services firm founded in 1975. It provides integrated engineering and consulting services across industries and focuses on long-term solutions and impact for clients, employees, and the world. The position is located in Greenwood Village, Denver. Travel is not required.

Requirements

• High school diploma or equivalent.
• At least 2 years of experience in an administrative assistant, office manager, or similar role.
• Strong organizational skills and ability to manage multiple priorities.
• Excellent written and verbal communication skills.
• Proficiency in Microsoft Office, including Outlook, Word, Excel, and PowerPoint.
• Strong attention to detail, professionalism, and discretion.

Nice To Haves

• Associate’s degree preferred.
• Experience in a professional services, engineering, or consulting environment preferred.

Responsibilities

• Serve as the primary point of contact for office operations and administrative coordination.
• Manage office supplies, equipment, and vendor relationships.
• Coordinate office logistics, including meetings, visitors, and general office upkeep.
• Assist in planning and coordinating office events.
• Support onboarding logistics for new hires in coordination with HR and IT.
• Provide administrative support to leadership and team members, including calendar and meeting management.
• Prepare correspondence, reports, presentations, and other administrative materials.
• Maintain organized electronic and physical filing systems.
• Assist with expense reports, invoice processing, and administrative tracking.
• Answer and direct incoming calls, emails, and inquiries professionally.
• Support internal communications and information flow.

Benefits

• Performance-based bonuses.
• Medical, dental, and vision insurance.
• 401(k) with company match.
• Paid time off and company holidays.
• Wellness programs and employee assistance resources.
• Professional development support.

What This Job Offers

• Job Type: Full-time
• Education Level: High school or GED