Mortenson · 2 weeks ago
Administrative Assistant
Mortenson is currently seeking an Administrative Assistant who will support a wide range of administrative and executive-level tasks in a fast-paced, ever-changing environment. This role requires strong communication skills and exceptional customer service to ensure a positive experience for all visitors and internal partners.
Commercial Real EstateConstructionReal Estate
Responsibilities
Perform regular administrative tasks and overall office organization, greet visitors and customers with a positive demeanor, coordinate and set up meetings, handle calendars, and schedule travel
Coordinate and set up meetings, manage calendars, schedule travel, and support meeting logistics such as room reservations, catering, and conference center coordination
Support onboarding coordination by partnering with managers to ensure a seamless new hire experience, including workspace setup, applicable technology, and a 90-day onboarding calendar; support a successful transition to project sites
Integrate operating group–specific onboarding experiences that supplement the company onboarding program and address group-specific needs, challenges, and engagement opportunities
Set up, organize, and manage filing systems; prepare documents; maintain records; and proofread communications and materials with strong attention to detail
Prepare billing and invoices as needed and support timekeeping-related activities
Coordinate across multiple internal support groups, including Risk Management, Preconstruction, Human Resources, Legal, Environmental Health & Safety, and ITS
Procure miscellaneous goods using Mortenson’s internal procurement systems
Oversee shipping and receiving for UPS and other deliveries
Develop an understanding of the operating group and company resources to effectively support Operating Group Leadership and team members with tasks such as expense reports, travel coordination, technology needs, and general administrative support
Build effective working relationships across all levels of the organization and navigate diverse personalities and backgrounds
Perform all other duties as assigned, recognizing that responsibilities may evolve due to the dynamic and cyclical nature of the construction business
Qualification
Required
Minimum three years administrative support experience required
Detail orientation and the capability to proofread effectively
Demonstrate flexibility as well as excellent organization and multi-tasking skills
Display proficient skills in Microsoft Word, Excel, Outlook, and Power Point
Exhibit effective communication and active listening skills
Positive professional attitude and strong customer service skills
Preferred
Associate or bachelor's degree preferred
Construction-related business experience preferred
Experience with billing, invoicing, and timekeeping preferred
Benefits
Medical and prescription drug plans that includes no additional cost vision coverage
Dental plan
401k retirement plan with a generous Mortenson match
Paid time off, holidays, and other paid leaves
Employer paid Life, AD&D, and disability insurance
No-Cost mental health tool and concierge with extensive work-life resources
Tuition reimbursement
Adoption Assistance
Gym Membership Discount Program
Company
Mortenson
Mortenson is a U.S.-based, top-25 builder, developer and provider of energy and engineering services committed to helping organizations move their strategies forward.
Funding
Current Stage
Late StageRecent News
Government Technology US
2025-10-25
2025-09-25
Seattle TechFlash
2025-08-07
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