Administrative Assistant II

Sierra Nevada Corporation•Englewood, CO

30d•Onsite

About The Position

Are you a tech-savvy administrative professional looking for your next challenge? Join our dynamic team as an Administrative Assistant II and become a vital partner to our Director and Vice President-level leaders. In this role, you’ll support top executives by expertly managing complex calendars, coordinating meetings and travel, preparing impressive reports and presentations, and ensuring seamless day-to-day operations. Your proactive approach and organizational skills will contribute directly to our company’s success. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations – with an unrivaled record of on time and on (or under) budget deliveries.

Requirements

High school diploma or equivalent.
3+ years of relevant experience in office administration or administrative support.
Proficient in Microsoft Office Suite (Word, Excel, Outlook, Teams, OneNote, SharePoint Online) and travel/expense platforms (e.g., Concur).
General knowledge of administrative practices, including expense reporting, purchase requisitions, and coordinating meetings, events, and travel.
Foundational knowledge of project management applications (e.g., Microsoft Project, Smartsheet) and ticketing systems (e.g., Service Now).
Excellent communication, problem-solving, and organizational skills.
Professional demeanor and ability to handle sensitive information with discretion.
Ability to obtain and maintain a Secret U.S. Security Clearance.
U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment.

Nice To Haves

Associate’s degree in Business Administration or related field.
Experience in the Aerospace and Defense industry.
Advanced knowledge of Workday or similar HRIS systems.
Certifications such as PACE (Professional Administrative Certification of Excellence) or CAPM (Certified Associate in Project Management) are a plus.
Experience with Concur Travel and Expense platform or other travel management systems.
Experience working in a U.S. military or Department of Defense (DoD) environment.

Responsibilities

Efficiently manage complex inquiries from both internal and external sources.
Prepare, consolidate, and route detailed reports and presentations.
Create, edit, and manage complex spreadsheets to support various administrative tasks.
Prepare and submit expense reports and purchase requisitions.
Maintain databases and ensure accurate data entry in compliance with company policies.
Coordinate business meals, on-site meetings, and events, including all logistics.
Provide advanced support to IT and Facilities for conference room and public area maintenance.
Manage calendars for senior leaders, including meeting and travel arrangements.
Edit, format, and send 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.
Support onboarding and training for new employees.
Organize team-building and employee engagement activities.
Handle confidential information with discretion.
Assist in project planning, execution, documentation, and reporting.
Support budget planning and vendor management.
Sit at the front desk, support visitor check-ins, and manage office supplies.
Provide backup support to the administrative team as needed.