Executive Assistant II

Sierra Space Careers: At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth. Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.

Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space. We are mission-driven, and together, we are an extraordinary team. About the Role The Executive Assistant II provides high-level administrative support to senior executives by managing calendars, scheduling meetings, and coordinating travel arrangements.

The Executive Assistant II plays a crucial role in ensuring the efficiency and effectiveness of the executive team by handling a variety of administrative tasks and acting as a key point of contact. This role requires excellent communication skills, attention to detail, and the ability to work collaboratively in a fast-paced environment. Additionally, the Executive Assistant II is expected to take on more complex tasks and responsibilities, including event planning and project coordination.

The role involves managing and maintaining executives' calendars by scheduling and coordinating meetings, appointments, and events, as well as arranging and coordinating travel plans, including domestic and international flights, accommodations, and transportation. It includes coordinating VIP visitors, customer meetings, and events, preparing and editing correspondence, communications, presentations, meeting briefs, and other documents, and handling incoming and outgoing communications such as phone calls, emails, and mail.

Additionally, the responsibilities involve assisting with the preparation of reports, meeting agendas, and minutes while adhering to compliance standards, including expense report preparation and coding allocation, and handling direct and indirect purchase requests. The position also requires maintaining and organizing files, records, and documentation, collaborating with other administrative staff to ensure smooth office operations, and performing other duties as assigned by executives.

About You Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower – to join us in this critical mission. We’re looking for team members who align with our values, mission and goals – while also meeting the minimum qualifications below.

The preferred qualifications are a bonus, not a requirement.
Minimum Qualifications:

• 2-4 years of EA experience supporting executive(s) in a professional services organization or the aerospace industry.
• Proficient in Microsoft Office, including Outlook, Excel, Word, PowerPoint, and Teams.
• Previous experience with travel management software such as Concur or Egencia.
• Ability to multitask, work under pressure, and think critically while retaining accuracy.
• Strong interpersonal skills, creativity, thoughtful business judgment, and professional maturity.
• High energy level, strong communication skills, intellectual curiosity.
• Ability to move tasks along and follow up is critical.
• Desire to collaborate with colleagues throughout the company.
• Motivated, flexible, team-player spirit.
• Ability to handle confidential information with discretion.
• Proactive and able to work independently with minimal supervision.
• The ability to obtain and maintain a Secret U.S. Security Clearance is required.

• Certification:
  Administrative Assistant Certification, Certified Administrative Professional, or related certification.
• Event planning experience.
• Project management skills.
• Knowledge of document management systems like SharePoint, One Note, Adobe, and Visio.
• Basic understanding of financial and…