Company Overview: Dune Security’s User Adaptive Risk Management solution proactively prevents insider threats and social engineering by simulating multi-channel attacks, scoring user risk, and adapting training and controls in real time. Powered by AI, we quantify employee risk with comprehensive data and automatically deliver user-adaptive training and intervention. For higher-risk users, our platform integrates seamlessly with the broader security stack to dynamically implement controls. Backed by Craft Ventures, Toba Capital, Alumni Ventures, Firestreak Ventures, and Antler, we empower CISOs to proactively manage human risk—the leading cause of cybersecurity breaches—and build safer, more resilient organizations.

Role Overview

Dune Security is seeking a highly versatile Chief of Staff to partner directly with the CEO and leadership team during a critical stage of growth. This role combines strategic thought partnership with hands-on operational leadership, ensuring the company executes at a high level while staying aligned on long-term priorities. The Chief of Staff will drive high-impact projects across strategy, finance, and operations while also shaping organizational processes, culture, and team effectiveness. This is a unique opportunity to be both a strategic advisor and an operational catalyst in a fast-growing company from Series A and beyond.

Key Responsibilities

1. Strategic Alignment & CEO Leverage

• Serve as trusted partner to the CEO, anticipating needs and priorities.
• Keep leadership focused on fundraising, partnerships, and key customer relationships.
• Align Product, Revenue, Marketing, Customer Success, Finance, and Ops around OKRs.
• Support decisions with financial modeling, market analysis, and competitive intelligence.
• Prepare board materials, investor updates, and CEO communications.
• Track follow-ups and ensure accountability with board, investors, and advisors.

2. Company Operations & Execution

• Manage operating cadence: exec meetings, quarterly planning, and all-hands.
• Run leadership offsites with outcome-driven agendas.
• Build dashboards/reporting for key SaaS & financial metrics (ARR, CAC, LTV, churn, pipeline, burn, runway).
• Close operational gaps across teams (feedback loops, reporting, handoffs).
• Establish scalable, lightweight processes.
• Lead cross-functional projects without clear departmental owners.
• Track company-wide OKRs and progress toward goals.

3. Talent, Leadership & Culture

• Partner with CEO/People team on senior hiring and key roles.
• Design onboarding programs for fast integration.
• Reinforce values and culture via communications and events.
• Support leadership growth from “player” → “coach.”
• Lead internal comms for transparency and alignment.
• Plan offsites, town halls, and employee experience initiatives.

4. Revenue, GTM & Business Enablement

• Partner with GTM leaders on forecasting, pipeline, and sales reviews.
• Unblock sales processes (procurement, contracts).
• Drive segmentation, pricing, and packaging strategies.
• Conduct revenue, market, and competitive analysis.
• Ensure Marketing/CS feedback loops inform Product.
• Lead projects to improve customer experience and accelerate deals.

5. Product & Market Intelligence

• Gather customer insights to guide roadmap.
• Analyze competitors and industry trends.
• Partner with Product on experiments, metrics, and feature prioritization.
• Report on adoption, product performance, and satisfaction.

6. Fundraising & Investor Relations

• Support modeling, diligence, and narrative for future rounds.
• Prepare investor updates and fundraising decks.
• Track fundraising pipeline and prep CEO for meetings.
• Manage follow-ups and reporting with board/investors.

7. External Representation & Partnerships

• Represent CEO with customers, partners, and stakeholders.
• Join key calls/negotiations to reinforce credibility.
• Conduct diligence on partnerships, acquisitions, or investments.
• Build ecosystem relationships to grow visibility.

8. Knowledge Management & Decision Support

• Capture/document decisions and playbooks for scale.
• Ensure knowledge is accessible across teams.
• Build frameworks to improve executive decision-making.

9. Adaptability & Special Projects

• Lead high-priority projects outside traditional functions.
• Shift focus between strategy, operations, and external initiatives.
• Act as “internal quarterback” when CEO is externally focused.

Qualifications

Required

• 5+ years of experience in management consulting, investment banking, venture capital, or strategy/operations roles in high-growth companies.
• Demonstrated ability to manage complex projects end-to-end, balancing strategic analysis with tactical execution.
• Strong financial acumen, with experience in SaaS metrics, business modeling, and investor materials.
• Excellent written and verbal communication skills; proven ability to synthesize complex topics into clear, actionable insights.
• Track record of working with senior executives and cross-functional teams to deliver results.
• Bachelor’s degree in business, finance, economics, or a related field—or equivalent experience.

Preferred

• Prior Chief of Staff or early-stage startup experience.
• MBA or other advanced degree.
• Familiarity with cybersecurity, SaaS, or enterprise technology industries.
• Experience scaling processes, systems, and culture in a high-growth environment.

What You’ll Bring

You are both a strategic thinker and an operational doer, equally energized by framing long-term strategy as you are by rolling up your sleeves to solve day-to-day challenges. You thrive in ambiguity, bring structure to complex problems, and know how to prioritize what matters most. You are collaborative, resourceful, and solutions-oriented, with the ability to influence without authority. Above all, you are motivated by the opportunity to help shape and scale a mission-driven company, amplifying the impact of the CEO and leadership team while building the foundations for long-term success.

Why Join Dune Security?

• High-growth cybersecurity startup backed by top-tier investors and trusted by global enterprises.
• Strategic impact as you work directly with the CEO and leadership team on high-priority initiatives that shape the company’s future.
• Career-defining opportunity to gain broad exposure across strategy, finance, operations, and culture in a scaling Series A company.
• Ownership and visibility with a critical role in board meetings, fundraising, and executive decision-making.
• Mission-driven work that helps protect enterprises and their workforce against the world’s most pressing cybersecurity threats.

Additional Details:

• Location: NYC. Candidates should be based in or willing to relocate to the New York area, with regular presence in our TriBeCa headquarters.
• Hours: Full-time, with the flexibility and adaptability required in a fast-paced startup environment.
• Compensation: Competitive salary, meaningful equity package, and comprehensive benefits.
• Perks: Hands-on experience working side by side with a founder and CEO, mentorship from seasoned executives and investors, and the chance to build a broad leadership toolkit in the heart of the NYC tech ecosystem.

Joining Dune Security provides an exciting opportunity to continue your career in cybersecurity sales with a cutting-edge company. If you’re passionate about learning and making an impact in the security space, we encourage you to apply.

Note: Dune Security is an equal opportunity employer and values diversity. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.