Sales Development Representative
Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Aug 31, 2026. Nightfall scores A on the Alion truth index.
About Nightfall:
Nightfall is the AI-native, unified data loss prevention and insider risk management platform that protects sensitive data across SaaS apps, GenAI tools, email, endpoint devices, and more. Hundreds of customers, spanning AI innovators to top 10 banks, trust Nightfall to detect and stop data exfiltration at scale. Nightfall enables organizations to innovate freely without the risks of losing intellectual property or exposing customer data. Our agentic platform helps security teams regain their time by putting data loss prevention on autopilot. With automatic remediation, security violations can be resolved automatically before they become incidents, and end-users can be automatically trained and coached in the moment to self-heal violations that they introduce.
Nightfall is backed by leading VC firms including Bain Capital Ventures (Enrique Salem - former CEO of Symantec), Venrock (early investors in Cloudflare), WestBridge Capital, Pear VC (early investors in Dropbox and Doordash), and a cadre of cybersecurity leaders including Frederic Kerrest (founder of Okta), Maynard Webb (former COO of eBay), Ryan Carlson (President of Chainguard), Kevin Mandia (founder of Mandiant), and many others.
About the role:
As a Sales Development Representative (SDR) at Nightfall AI, you'll be on the front lines of our go-to-market efforts - identifying and qualifying new business opportunities and driving pipeline growth. You'll be the first point of contact for many prospective customers, communicating Nightfall's value as AI-native data loss prevention for the modern enterprise.
Responsibilities
Generate pipeline through a 70/30 mix of outbound prospecting (email, calls, social) and inbound lead qualification
Communicate Nightfall's value and use cases to security, compliance, and engineering stakeholders
Partner with Account Executives on meeting scheduling and clean lead handoffs
Keep CRM activity accurate and up to date
Refine outreach based on performance data and feedback
Qualifications
1+ years of SDR experience - looking to build a career here, not a short-term stop
Previous SDR experience at a SaaS or high-growth startup
Background in cybersecurity, data security, or DLP
Bachelor's degree or equivalent experience
Strong written and verbal communication with both technical and non-technical audiences
Organized, detail-oriented, and comfortable managing multiple workstreams
Resilient, driven, and comfortable with ambiguity in a fast-paced environment
Fluent with AI tools and quick to learn technical products
Familiarity with Salesforce, LinkedIn Sales Navigator, HubSpot, Apollo, or similar tools
Environment
Nightfall AI takes pride in being an equal-opportunity employer. We value a diverse and global talent pool and the collaboration that results from having a diverse and inclusive team. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status. Our hiring decisions are based exclusively on merit, qualifications, and business needs.
Compensation
Employee compensation will be determined based on interview performance, level of experience, specialization of skills, and market rate. During the offer discussion, your recruiter will review the finalized base salary, bonus (for applicable roles), benefits & perks, and stock options as they’ll be reflected in the offer letter.