Radiant · 11 hours ago
Senior Brand Content Manager
El Segundo, CA
Full-time
Hybrid
Senior Level
$150K/yr - $190K/yr
6+ years expRadiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. They are seeking a Senior Brand Content Manager to tell Radiant's story across every channel, including drafting social media posts, creating presentation materials, and managing visual assets while maintaining brand consistency.
Clean EnergyEnergyEnergy EfficiencyRenewable Energy
No H1B
Responsibilities
Draft social media content for executives and the Radiant brand account, maintaining consistent presence 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, draft posts for investors, and media talking points
Maintain brand consistency across all touchpoints—website, social, presentations, events, investor materials
Write messaging frameworks for different audiences (defense, investors, policy, general public) and ensure all content aligns
Manage external creative vendors (design, renderings, video) to produce high-quality visual assets
Maintain the content calendar, coordinating timing across announcements, events, and evergreen content
Support executive thought leadership, ghostwriting op-eds, blog posts, and long-form content
Qualification
Required
6+ years of experience in content marketing, brand communications, or corporate communications
Exceptional writing skills with the ability to adapt voice for different executives and audiences
Experience translating complex technical concepts into accessible, compelling narratives
Strong visual sensibility—you can brief designers and provide useful feedback on creative
Familiarity with social media best practices across major platforms
Portfolio demonstrating range—from punchy social posts to polished long-form content
Ability to work quickly and manage multiple projects with competing deadlines
Preferred
Experience in energy, aerospace, defense tech, or other 'hard tech' sectors
Background in journalism or editorial work
Experience ghostwriting for executives
Design skills (Figma, Canva) and basic photo and video editing capability
Benefits
Substantial incentive stock plan for all full-time employees.
100% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.
Sponsored memberships for eligible employees and their dependents.
100% premium coverage for top tier plan + 50% for dependents.
100% premium coverage for top tier plan (including orthodontia) + 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.
Burgeoning satellite offices in Oak Ridge, TN and Washington, D.C., near Capitol Hill.
Company
Radiant
Radiant develops portable nuclear microreactors designed to generate electricity and heat in a compact, factory-built form.
51-200 employees
Funding
Current Stage
Late StageTotal Funding
$518.82MKey Investors
Boost VC,Draper AssociatesAlumni Ventures,DCVCAndreessen Horowitz
2025-12-17Series D· $300M
2024-11-14Series C· $165M
2023-04-18Series B· $40M
Leadership Team
Doug Bernauer
Chief Executive Officer
Recent News
alleywatch.com
2026-01-23
2026-01-07
The Motley Fool
2026-01-04
Company data provided by crunchbase