Social & Content Manager

Social & Content Manager

About Radiant
Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5 years without refueling.

• Write and publish social content daily for the Radiant brand account and 3-4 executive accounts.
• Maintain distinct voices for each executive while ensuring brand consistency.
• Monitor engagement, respond to comments, and keep Radiant's presence active and relevant.
• Stay current on platform trends and adapt content accordingly.

Visual Content & Presentations

• Create slides, decks, and presentation materials for leadership, investors, and events.
• Design graphics for social posts, announcements, company website, and internal communications.
• Maintain and evolve Radiant's visual brand across all touch points.
• Cook up timing across the content calendar.

Required Qualifications & Skills

• 5-7 years of experience in content marketing, social media, or brand communications.
• Strong portfolio showing range: social posts, graphics, slides, short-form video.
• Proficiency in design tools (Figma, Canva, Adobe Creative Suite, CapCut).
• Excellent writing skills—punchy, clear, adaptable to different voices.
• Experience managing social accounts for brands or executives.
• Ability to translate complex concepts into accessible content.
• Comfort working fast with multiple competing priorities.

Desired Qualifications & Skills

• Experience in energy, aerospace, defense tech, or other "hard tech" sectors.
• Video editing skills (Premiere, CapCut, or similar).
• Motion graphics capability (After Effects or similar).
• Photography skills for capturing team/facility content.
• Experience with social analytics and reporting.

Key Deliverables

• Daily social content across brand and executive accounts.
• Presentation materials for leadership and investor meetings.
• Consistent visual brand across all channels.

Additional Requirements

• Must be willing to work extended hours and weekends as necessary to accomplish our mission.
• Must work 100% onsite at El Segundo HQ.

Benefits And Perks

• Stock: Substantial incentive stock plan for all full-time employees.
• Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.
• One Medical: Sponsored memberships for employees and their dependents.
• Vision: 100% top tier plan coverage + 50% for dependents.
• Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.
• Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.
• 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.
• Daily catered lunch.
• Free snacks and drinks.
• Flexible PTO policy.
• Remote workday allocation.
• Company and team-bonding events, happy hours and in-person camaraderie.
• Beautiful El Segundo headquarters close to the Pacific Ocean.

Total Compensation And Benefits

• Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits.
• Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant.

Compensation Range

$115K - $168K