Drimva

Castelion

Manager, Social Media & Strategic Communications

Torrance, CA +1 · Manager · Full-time · Posted Sep 7, 2026

Location
Torrance, CA
19951 Mariner Ave, Torance, CA 90503
Experience
4–7 years.

About the job

Leads Castelion’s social media and strategic communications, turning company, technology, and leadership priorities into accurate content and campaigns for defense, policy, investor, and talent audiences.

What you'll do

  • Own social media strategy, editorial calendars, publishing, community engagement, and performance analysis across company channels.
  • Create social-first campaigns and executive content; support announcements, media opportunities, rapid response, and issue management.
  • Coordinate with company stakeholders to ensure communications are technically accurate and meet OPSEC, export-control, and sensitivity requirements.

What they ask for

  • 4–7 years of experience in social media, strategic communications, public affairs, journalism, defense communications, technology communications, or a related field.
  • Demonstrated experience managing brand, founder, executive, or organizational social channels, especially LinkedIn and X.
  • Exceptional writing and editing skills, social media strategy fluency, and ability to translate complex subject matter into clear messaging.
  • Sound judgment and discretion, strong organizational skills, and ability to work with senior executives and technical stakeholders.

Nice to have

  • Experience in defense, aerospace, government, journalism, public affairs, venture-backed technology, or dual-use technology.
  • Experience with executive social programs, analytics or social listening tools, product launches, crisis communications, or defense communications review processes.

Tools

X, LinkedIn, YouTube, Instagram

Model-written summary · the original posting is authoritative

First seen Oct 28, 2026 · Last verified Nov 6, 2026 (UTC)