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Executive Assistant I

Sierra Nevada Corporation
United Statesfull_timeVerifiedPosted 30 Sept 2025

About the role

Do you have a passion for all things executive administrative support, operational excellence and team leadership? We have the opportunity for you! As an Executive Assistant I, you will provide dynamic, proactive administrative support to leaders at the Sr. Vice President level and above as well as manage the daily operations of our administrative support teams. You will have oversight of business or functional-area administration teams to ensure overall adherence to corporate standards and business processes throughout the execution of daily support tasks and contribution to the completion of various projects and goals. You will act as the point of contact between the executive and both internal and external customers while providing an exceptional level of customer service. On behalf of the executive, you'll direct incoming calls, correspondence, and voice messages, accurately maintain calendar details and manage scheduling. You'll also coordinate meetings and appointments for the executive, provide timely reminders, and ensure stakeholder awareness in support of executive activities. You'll compile executive communications and presentations, and liaise with key stakeholders in various departments to ensure all executive needs are met. Your duties will also include coordinating domestic and international travel to include visa and passport requirements, and supporting large events, tradeshows and galas.

The Mission Solutions and Technologies (MST) business area provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of supporting the Department of Defense, Department of Homeland Security, commercial and international customers with years of experience in platform operations, engineering and full lifecycle management across domains – air, land, sea, space and cyber.

Qualifications You Must Have:

  • B.A. (or equivalent degree) and 2 years of relevant work experience, or H.S. Diploma and 3 years of relevant work experience.
  • Advanced knowledge of Microsoft Office tools, including Word, Excel, PowerPoint, Visio, Teams, and SharePoint is required.
  • Must be extremely dynamic, demonstrate initiative, and have the ability to multi-task in a very fast-paced environment.
  • Extensive organizational skills, attention to detail, and proficient communication skills are required. 
  • Must be able to interpret the intent of available guidelines and use considerable judgment in applying them to individual situations.
  • Must be able to solve routine problems of limited scope and complexity.

Qualifications We Prefer:

  • Experience in a DOD environment and familiarity with JTR and FCG
  • Experience with Concur Travel and Expense platform or other travel management system
  • Proven interpersonal communication skills with personnel at all levels internal and external to the organization, including foreign and military officials

At Sierra Nevada Corporation (SNC) we deliver customer-focused technology and best-of-breed integrations in the aerospace and defense sectors. SNC has been honored as one of the most innovative U.S. companies in space, a Tier One Superior Supplier for the U.S. Air Force, and as one of America’s fastest-growing companies. Learn more about SNC

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: $33.38 - $45.90. 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) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.

IMPORTANT NOTICE:

This position requires the 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. Non-U.S. citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affec

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Company

Sierra Nevada Corporation

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