Drimva

Apex Space

Proposal Writer (Top Secret Clearance)

$90K–$130K

Los Angeles · Full-time · Posted Oct 28, 2026

Experience
2+ years.
Visa sponsorship
Applicants must qualify as a U.S. Person under the stated ITAR definition or be able to obtain required U.S. export authorizations.

About the job

Writes and manages persuasive proposals and other business-development materials for Apex’s government, commercial, and international customers.

What you'll do

  • Lead responses to RFIs, RFPs, and other business opportunities, managing the proposal lifecycle through final delivery.
  • Translate technical concepts and customer needs into clear, persuasive proposals, white papers, presentations, and related materials.
  • Maintain proposal templates and content libraries and coordinate with cross-functional stakeholders to deliver high-quality work on schedule.

What they ask for

  • 2+ years of experience writing, drafting, and editing proposals for US government or other sophisticated aerospace & defense customers.
  • Experience working with cross-functional teams under tight deadlines.
  • Active Top Secret SCI clearance or willingness to attain clearance.
  • Strong writing, editing, communication, and organizational skills, including managing multiple concurrent deadlines.

Nice to have

  • Direct experience in spacecraft or spacecraft-adjacent markets.

Pay

$90K – $130K USD base salary

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 5, 2026 (UTC)