Administrative Assistant III

Universal Engineering Sciences
Phoenix, AZ, US
Posted Apr 29, 2026

Who We Are:

At UES, we’re a team of more than 4,000 engineers, scientists, geologists, inspectors, technicians, and drillers united by a shared purpose—to make a meaningful impact in the communities we serve. As a national leader in geotechnical engineering, environmental consulting, and materials testing and inspection, we collaborate on transformative projects across transportation, energy, water, healthcare, and more. Learn more about the benefits of joining Team UES and our core values at careers.teamues.com.

Position Overview:

We are seeking a highly skilled and proactive Administrative Assistant III to provide senior\-level administrative support, manage complex tasks, and oversee department operations with a high degree of autonomy. As a key member of the administrative team, the Administrative Assistant III will be responsible for executive\-level support, high\-level project coordination, and optimizing department operations.

This role requires strong problem\-solving, project management, and leadership skills, along with the ability to handle confidential and high\-priority matters with discretion. This position is ideal for a detail\-oriented, highly organized professional looking to step into a strategic administrative role that contributes to the efficiency and success of the department.

\#LI\-KD1 \#LI\-Onsite

Responsibilities:

  • Provide high\-level executive administrative support, including complex scheduling, prioritization of tasks, and handling confidential correspondence on behalf of department leadership.
  • Serve as a key liaison between leadership, internal teams, and external stakeholders, ensuring seamless communication and operational coordination.
  • Monitor and maintain office supplies inventory, placing orders and managing office equipment maintenance to ensure smooth daily operations.
  • Prepare, review, and refine presentations, reports, and data analysis, delivering key insights to support strategic business decisions.
  • Plan and coordinate meetings, leadership retreats, and department\-wide events, managing logistics, agendas, materials, and follow\-up actions.
  • Provide administrative support for high\-level projects, as assigned.
  • Act as a point of contact for internal and external stakeholders, including greeting visitors, directing phone calls, and addressing inquiries professionally.
  • Facilitate collaboration and maintain professional relationships with internal departments, external partners, and vendors to enhance operational effectiveness.
  • Willingness to travel up to 10% of the time primarily for occasional offsite meetings, training sessions, or company events.
  • Flexibility may be needed for occasional overtime, business events, or urgent administrative requests based on organizational needs.
  • Job Responsibilities Note:

    The above statements are intended to describe the general nature and level of work being performed. They are not intended to be construed as an exhaustive list of all responsibilities, duties, and skills required of personnel so classified. UES retains the right to add to or change the duties of the position at any time.Qualifications:

  • High School Diploma required; Associate’s or Bachelor’s degree preferred.
  • 7\+ years of experience in administrative support, executive assistance, or office management in a fast\-paced professional environment.
  • Proficiency in Microsoft Office Suite (Word, Excel, Outlook, PowerPoint) and familiarity with office management software and collaboration tools.
  • Exceptional organizational, time management, and problem\-solving skills, with the ability to prioritize multiple tasks effectively.
  • Exceptional attention to detail, ensuring accuracy in document preparation, scheduling, and data management.
  • Discretion and professionalism in handling confidential and sensitive information.
  • Excellent verbal and written communication skills, with the ability to interact confidently with internal and external stakeholders, including senior leadership.
  • Ability to work independently with minimal supervision, anticipating needs and proactively identifying solutions.
  • Advanced problem\-solving and strategic thinking skills, with a proven ability to manage high\-level projects and competing priorities.
  • Adaptability and flexibility to thrive in a dynamic work environment and foster strong relationships across all levels of the organization.
  • Travel Requirements:

  • This position does not require regular travel as part of its primary responsibilities. However, occasional travel
  • may be required, up to 10%, primarily for occasional off\-site meetings, training sessions, or company events.

    Travel, when necessary, will be communicated in advance and aligned with business needs.

    Physical Demands \& Work Environment:

  • This position primarily operates in a professional office environment, requiring the ability to work at a desk for extended periods while using a computer, phone, and standard office equipment.
  • The position involves sitting for extended periods, performing data entry, and engaging in frequent communication via email, phone, and in\-person interactions.
  • The role involves regular communication with team members, clients, and stakeholders, both in person and through virtual platforms.
  • The physical demands of the job may include occasional standing, walking, bending, and lifting of office materials up to 15 pounds.

EEO Statement:

UES is an Equal Opportunity Employer and is proud to recruit the most qualified candidates. Please see our full EEO Statement at the bottom of the page here

Job Details

Job Type

admin_data_entry

How to Apply

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  1. Click the "Apply Now" button or visit the company website
  2. Review the job requirements carefully
  3. Follow the application instructions on the company's website
  4. Ensure your resume highlights relevant experience

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Original job posting from: Indeed_linkedin

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