Onsite Marketing & Communications Intern — Nuclear Startup

Radiant; El Segundo (CA); On-site; USD 22,000 - 42,000; Part time

Job summary

Radiant, an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors, is seeking a Marketing & Communications Intern to join the team for Summer 2027. You will draft social media content for the company brand, create press materials, and develop milestone content for major announcements, while ensuring brand consistency across channels.

This 100% onsite internship at Radiant’s HQ in El Segundo, CA requires pursuing a BS or MS in Marketing,

Qualifications

• Currently pursuing a BS or MS in Marketing, Communications, Branding, or related discipline.
• Experience in content marketing, brand communications, or corporate communications.
• Exceptional writing skills with the ability to adapt voice for different audiences.
• Strong visual sensibility.
• Familiarity with social media best practices across major platforms.
• Ability to work quickly and manage multiple projects with competing deadlines.

Responsibilities

• Draft social media content for Radiant brand account across channels.
• Create press materials including press releases, fact sheets, executive bios, FAQ documents, and backgrounders.
• Develop milestone content packages for major announcements including visual assets, posts for investors, and media talking points.
• Maintain brand consistency across touchpoints—website, social, presentations, events, investor materials.
• Manage external creative vendors (design, renderings, video) to produce high-quality visual assets.

Skills

Writing

Content marketing

Brand communications

Social media familiarity

Project management

Education

BS or MS in Marketing, Communications, Branding

Job description

Radiant, an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors, is seeking a Marketing & Communications Intern to join the team for Summer 2027. You will draft social media content for the company brand, create press materials, and develop milestone content for major announcements, while ensuring brand consistency across channels.

This 100% onsite internship at Radiant’s HQ in El Segundo, CA requires pursuing a BS or MS in Marketing,