Senior Social Media Manager

USA (Remote)

$144K/yr – $180K/yrSenior Level7+ years expFull time

Posted 18 hrs ago

Job Summary

Own and evolve the company’s organic social strategy across key channels, lead content creation and storytelling for cybersecurity topics, and drive campaigns, launches, and employee advocacy with cross-functional collaboration.

  • Own the social media strategy and editorial calendar across multiple priority channels.
  • Create and package engaging cybersecurity content and campaigns for launches, events, and executive amplification.
  • Lead cross-functional collaboration with Marketing, Product, Engineering, and People teams to scale advocacy and measurement.

Job Description

Responsibilities

  • Social Strategy and Channel Ownership
  • Serve as the company’s subject-matter owner for organic social strategy, advising Marketing and executive leadership on audience development, channel investment, content priorities, and social risk.
  • Own and evolve the social media strategy across priority channels, including LinkedIn, X, YouTube, and X, while evaluating other channels and communities such as Reddit and Bluesky.
  • Maintain a clear point of view on audience, channel fit, content formats, cadence, and brand voice.
  • Build and manage an always-on editorial calendar that balances thought leadership, customer proof, research, product storytelling, company news, culture, hiring, and timely industry moments.
  • Establish repeatable planning, intake, approval, publishing, and reporting processes that make social easier to scale across Marketing and the broader company.
  • Content Creation and Storytelling
  • Own the development, creation, and publication of high-quality social content that translates complex cybersecurity, product, research, and market topics into clear, engaging stories.
  • Develop campaign concepts and content packages across formats such as posts, threads, carousels, short-form video, event coverage, employee spotlights, and executive amplification.
  • Partner with subject-matter experts to identify strong stories, ghostwrite or refine content when needed, and manage review through publication.

Requirements

  • Demonstrated experience owning social media strategy and hands-on execution for a B2B, SaaS, technology, or cybersecurity company.
  • Excellent writing, editing, and storytelling skills, with the ability to make technical subjects understandable without losing substance or credibility.
  • Experience managing social publishing, listening, analytics, and/or employee advocacy platforms.
  • Strong project management and organizational skills, including experience managing calendars, approvals, deadlines, and multiple stakeholders.
  • A data-informed approach to content decisions, with the ability to interpret performance metrics and turn them into action.
  • Strong judgment, attention to detail, and comfort handling fast-moving or sensitive communications.
  • Ability to work independently while building trusted relationships across Marketing, Product, Engineering, Sales, Customer Success, People, and executive teams.
  • A high-agency, creative, collaborative mindset and a willingness to test, learn, and improve.
  • Bachelor degree in marketing, communications, or a related field
  • 7+ yrs of experience in social media marketing

Preferred

  • Experience marketing cybersecurity, offensive security, cloud security, developer tools, or other technical products.
  • Familiarity with technical communities, practitioner audiences, Reddit, or other discussion-based platforms.
  • Experience creating or directing short-form video, live event coverage, social graphics, or carousel content.
  • Experience supporting executive social media, creator or influencer partnerships, paid social, or analyst and media amplification.
  • Experience scaling employee advocacy or ambassador programs.

Benefits

  • Inclusive Team: We value diversity and promote an inclusive culture where everyone can thrive.
  • Growth Opportunities: Be part of a dynamic and growing team with numerous career development opportunities.
  • Innovative Culture: Work in a collaborative environment that encourages creativity and out-of-the-box thinking.
  • Hybrid & Remote Work: We embrace a mix of remote and hybrid work models depending on role and location, including our Chicago office, where some roles require regular in-office presence.
  • Competitive Compensation: We offer competitive salary, equity and benefits. Our benefits include health, vision & dental insurance for you and your family, a flexible vacation policy, and generous parental leave.
Horizon3 logo

Horizon3

4.2 Glassdoor

The NodeZero® platform empowers your organization to continuously find, fix, and verify your exploitable attack surface. Reduce your security risk by autonomously finding weaknesses in your network, knowing how to prioritize and fix them, and immediately verifying that your fixes work. NodeZero delivers production-safe autonomous pentests and other key assessment operations that scale across your largest internal, external, cloud, and hybrid cloud environments. No required agents, no code to write, and no consultants to hire. We are a fusion of former U.S. Special Operations cyber operators, startup engineers, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools, false positives resulting in alert fatigue, blind spots, "checkbox” security culture, cybersecurity skills shortage, and the long lead time and expense of hiring outside consultants.

Founded in 2019
San Francisco, California, USA
336 employees (18 in marketing)
81% recommend to a friend
92% CEO approval

Salaries

Posted range

$144K/yr – $180K/yr

Taken straight from the job posting.

See all Horizon3 salaries

Funding

Total Funding
$178.5M
Last Raise
$100M
Series Unknown, 2 months ago

Funding History

  • Jan 2026
    Series Unknown
  • May 2025
    Series D • $100M
  • Aug 2023
    Series C • $40M

Traffic Signals

Monthly Visitors
82.6K
Monthly Google Ads Budget
$76.6K
Traffic Source Mix
Search
41.7%
Direct
47.9%
Referral
6.7%
Social
2.6%
Paid
1.1%

Headcount Trend

Current headcount: ~341

Recent News

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Senior Social Media Manager

Horizon3 · USA · Remote