B2B SaaS Marketing Generalist — Growth & Campaigns

Lightsource; San Francisco (CA); On-site; USD 90,000 - 140,000; Full time

Benefits offered by this job

Top-tier healthcare (100% covered)

Dental and vision (100% covered)

401(k)

Unlimited vacation and sick days

Free meals in office

Frequent team offsites

Meaningful equity

Job summary

LightSource is building the next-generation procurement OS. We are hiring a Marketing Specialist to help build the function from scratch, support demand generation, produce content, and coordinate events.

You’ll work in a fast-paced environment alongside a small but growing team, reporting into the Marketing team in San Francisco. Ideal candidates have 2–4 years in B2B marketing, strong writing, and comfort with CRM tools like HubSpot.

Qualifications

• 2–4 years of marketing experience in a B2B startup environment.
• Strong writing and editing skills across formats.
• Comfort with HubSpot or similar CRMs and campaign tooling.

Responsibilities

• Support demand gen campaigns across channels and assets.
• Own social media presence (LinkedIn) and content production.
• Coordinate events, webinars, and field activities; manage vendors and logistics.
• Draft, edit, and format content (emails, blog posts, one-pagers, social copy).
• Maintain HubSpot list hygiene, campaign setup, and basic reporting.

Skills

B2B marketing

Campaign execution

Content creation

Strong writing

Project management

Team player

Tools

HubSpot

Canva

Notion

Figma

Job description

LightSource is building the next-generation procurement OS. We are hiring a Marketing Specialist to help build the function from scratch, support demand generation, produce content, and coordinate events.

You’ll work in a fast-paced environment alongside a small but growing team, reporting into the Marketing team in San Francisco. Ideal candidates have 2–4 years in B2B marketing, strong writing, and comfort with CRM tools like HubSpot.