Administrative Assistant III
Job in
Lone Tree, Douglas County, Colorado, 80124, USA
Listed on 2026-03-07
Listing for:
Sierra Nevada Corporation
Full Time
position Listed on 2026-03-07
Job specializations:
-
Administrative/Clerical
Office Administrator/ Coordinator, Business Administration -
Business
Office Administrator/ Coordinator, Business Administration
Job Description & How to Apply Below
** Responsibilities:
*** Handle and route complex and sensitive inquiries from internal and external sources.
* Consolidate, prepare, and route high-level reports and presentations.
* Create, edit, and manage complex and detailed spreadsheets to support various administrative and leadership tasks.
* Prepare and submit comprehensive expense reports and purchase requisitions.
* Develop and maintain databases, ensure accurate and timely input of data, and compliance with company policies.
* Coordinate high-level business meals, on-site meetings, and events.
* Assist in the coordination and execution of complex projects, including project planning, execution, tracking progress, project documentation, and reporting.
* Provide comprehensive support to IT and Facilities departments related to meetings and events.
* Manage detailed calendars for Senior Vice Presidents, Vice Presidents, and/or Directors, including meetings and travel.
* Prepare, edit and send detailed communications, presentations, and documents.
* Act as a liaison between executives and internal/external stakeholders.
* Handle high-level administrative tasks with a focus on business operations.
* Facilitate meeting and project coordination between cross-functional departments.
* Support onboarding and training for new employees.
* Organize medium-sized team-building and employee engagement activities.
* Handle confidential information with discretion and manage the flow of information and communications.
* Assist in medium-scale project planning, execution, and tracking progress, and support project documentation and reporting.
* Support budget planning and tracking, including vendor management.
** Qualifications You Must Have:
*** High school diploma or equivalent.
* 5+ years of relevant experience in office administration or administrative support role.
* Higher level relevant degree may substitute for experience.
* Proficient in Microsoft Office Suite (e.g. Word, Excel, Outlook, Teams, One Note and SharePoint Online), Travel and Expense Platforms (e.g. Concur), and Ticketing Systems (e.g. Service Now).
* Proficient knowledge of administrative practices including preparing expense reports and purchase requisitions and coordinating meetings, events and travel.
* Foundational Knowledge of Project Management Applications (e.g. Microsoft Project, Smartsheet).
** Qualifications We Prefer:
*** Associate’s degree in Business Administration or a related field.
* Experience in the Aerospace and Defense industry.
* Expert knowledge of Workday or similar HRIS system.
* Certifications such as Professional Administrative Certification of Excellence (PACE) are optional but beneficial.
* Professional demeanor and excellent communication skills.
* Strong organizational skills with the ability to manage multiple tasks simultaneously.
* Excellent interpersonal skills and ability to work well with teams.
* Ability to develop solutions to moderately complex problems by applying experience and knowledge.
* Ability to handle confidential and sensitive information.
*
* Essential Functions:
*** Ability to lift up to 20 lbs regularly.
* Ability to sit or stand for extended periods.
* Proficiency with computers and office equipment.
* Manual dexterity for handling office supplies and equipment.
* Ability to work in an office environment.
* Ability to travel may be required.
This posting will be open for application for a minimum of 5 days and may be extended based on business needs.
Estimated Starting Salary Range: $29.03 - $39.92. Compensation varies depending on a wide array of factors, such as candidates' key skills, relevant work experience, and education/training/certifications. The disclosed range estimate may be adjusted for any applicable geographic differential associated with the location at which the position may be filled.
SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k)…
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