--- title: 'Lead Endpoint Engineer - Windows at Nightfall AI' canonical: 'https://feeny.ai/job/lead-endpoint-engineer-windows-nightfall-ai-bengaluru-5aryn5bknxtn' type: 'job' last_seen: '2026-09-04' --- # Lead Endpoint Engineer - Windows at Nightfall AI - **Company:** Nightfall AI - **Location:** Bengaluru, India - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-07-21 - **Last confirmed live:** 2026-09-04 - **Apply:** https://jobs.ashbyhq.com/nightfall-ai/a02d1765-1111-4770-8289-b1aa0e03e562 ## Job description 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 an endpoint engineer in the team you will own data exfiltration prevention on endpoints and requires background in Windows Platform. Engineers in this team own the design and development of core features on Nightfall’s Data Exfiltration platform. This requires leveraging file & device interfaces and requires in-depth understanding of Operating System internals. ## Responsibilities - Designing and developing data exfiltration prevention apps, drivers, system extensions and services on Windows. - Maintaining and evolving mission-critical agents on endpoints. - Own complex features from design to delivery and troubleshoot issues from customers. - Designing and building secure software with cross-platform deliverables (Windows) - Writing and maintaining documentation about internal and public services. ## Requirements - Expertise in one of the following: C/C++ on Windows. - Demonstrable expertise in developing agents on Windows. - On Windows, practical development experience with WDF (Windows Driver Frameworks), filter drivers and familiarity with user mode apps is required. - Readiness to learn other systems languages (e.g. Rust, Go, Python). Prior experience in one of these languages is a definite plus. - Experience with kernel-level debugging processes and tools. Ability to use reverse engineering techniques and debugging of kernel space code. - Ability to decompose complex business problems and own them end to end across teams. - Minimum 10+ years of related work experience. 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. ## About Nightfall AI ## Company Overview - **One-liner**: Nightfall AI is an AI-native data loss prevention (DLP) platform that protects sensitive data across SaaS apps, endpoints, email, browsers, and AI tools. - **Entity Type**: Private (Series B) - **Headquarters**: San Francisco, California, USA - **Founded**: 2018 - **Founders**: Rohan Sathe, Isaac Madan, Anant Mahajan ## Core Business - **Industry**: Cybersecurity – Data Loss Prevention (DLP) & Insider Risk Management - **Target Customers**: B2B, mid-market to enterprise (50-person startups to Fortune 500 companies) - **Mission**: “Data protection has to work intelligently and invisibly, or it won’t work at all.” Nightfall aims to enable any company to secure sensitive data across every SaaS app, AI tool, and endpoint without disrupting workflows. ## Products & Services - **AI-Native DLP Platform**: SaaS-based platform using 100+ AI models, LLM-based file classifiers, and computer vision to classify content with 95% accuracy. Includes data lineage tracking that traces information from source to destination. - **API-Based SaaS Integrations**: Deploys in minutes across Microsoft 365, Google Workspace, Slack, Salesforce, Atlassian, Zendesk, Notion, and more. - **Endpoint Agents**: Lightweight agents for macOS and Windows (deployed via MDM) that monitor data movement and enforce policies. - **Browser Plugins**: Real-time protection for AI apps (ChatGPT, Copilot, Gemini, DeepSeek, Claude, Perplexity, etc.) – blocks sensitive data from being pasted or uploaded. - **Shadow AI Security**: Purpose-built to prevent data leaks to generative AI tools, including both prompts and file uploads. - **Automated Remediation**: Context-aware actions such as blocking, redacting, revoking access, quarantining, or encrypting data. 80% of incidents resolved via automation or self-remediation. ## Market Standing - **Total Funding**: $60.3M (as of CB Insights) - **Latest Round**: $40M Series B (raised ~4 years ago) - **Notable Investors**: Venrock, Bain Capital Ventures. Also backed by a “cadre of CEOs, investors, professional athletes, and experts across infosec, AI, and enterprise software.” - **Key Metrics**: - Detection precision: 95% (vs legacy DLP at 5-25%) - Typical time to first discovery of violations: 24 hours - Full deployment coverage in under one month - Average 6x ROI within first 90 days - POC timeline: 2 weeks - **Growth Signals**: Strong emphasis on securing AI tool usage (Shadow AI), expanding endpoint coverage, and replacing legacy DLP tools. Leadership team has experience scaling companies to $100M+ ARR (e.g., Cyberhaven, Abnormal Security). ## Competitive Advantages - **AI-Native Accuracy**: 95% out-of-the-box precision eliminates weeks of tuning and reduces false positives. - **Data Lineage**: Tracks data as it moves, transforms, or is copied – catches exfiltration that regex-based tools miss. - **Rapid Deployment**: API-based integrations in hours; no network architecture changes; zero productivity disruption. - **Continuous Learning**: Models improve automatically, reducing false positives over time. - **Vendor Consolidation**: Replaces multiple legacy tools (regex DLP, CASB, endpoint DLP, etc.) with a single platform. ## Strategic Focus - **Securing AI Adoption**: Blocking data leaks to generative AI tools (ChatGPT, Copilot, etc.) while enabling safe innovation. - **Expanding MCP Visibility**: Monitoring data movement across AI agents, MCP servers, and new attack surfaces. - **Reducing Operational Overhead**: Using automation and employee self-remediation (80% of incidents) to lighten security team workload. - **Platform Unification**: Positioning as a “Data Detection & Response” platform to replace legacy vendor sprawl. ## Why Work Here - **Culture & Mission**: “Intelligent and invisible” data protection; team of ML engineers, security practitioners, and product builders from Uber, Harness, Microsoft, Code42, Rubrik, etc. - **Compensation & Benefits**: Competitive pay, equity, 401k plan; regular compensation reviews; support for professional development. - **Flexibility**: Flexible time off, company-wide holidays, flexible commuter options, generous parental leave. Remote/hybrid options available (home office reimbursement included). - **Wellness**: Comprehensive health, vision, dental; reimbursement for home office, fitness, and mental wellness expenses. - **Team**: Leadership with experience scaling from startup to $100M+ ARR; collaborative environment focused on engineering excellence and customer impact. - **Open Roles**: Positions listed on [jobs.ashbyhq.com/nightfall-ai](https://jobs.ashbyhq.com/nightfall-ai) – new openings added frequently. ## Sources 1. [Nightfall AI – Homepage](https://www.nightfall.ai/) 2. [Nightfall AI – About Page](https://www.nightfall.ai/about) 3. [Nightfall AI – Careers Page](https://www.nightfall.ai/careers) 4. [CB Insights – Nightfall AI Profile](https://www.cbinsights.com/company/nightfall-ai) 5. [Nightfall AI Job Board (Ashby)](https://jobs.ashbyhq.com/nightfall-ai) ## Other roles at Nightfall AI - [Sales Development Representative](https://feeny.ai/job/sales-development-representative-nightfall-ai-united-states-kk9kkctset1k) — United States - [Director, Revenue Operations & GTM Engineer](https://feeny.ai/job/director-revenue-operations-gtm-engineer-nightfall-ai-united-states-s1bz9qwf30rh) — United States - [Senior Backend Engineer, AI/Agent Platform](https://feeny.ai/job/senior-backend-engineer-ai-agent-platform-nightfall-ai-bengaluru-1z0py0k2pesp) — Bengaluru, India - [Talent and People Lead, India](https://feeny.ai/job/talent-and-people-lead-india-nightfall-ai-bengaluru-1krphb5807f4) — Bengaluru, India - [Staff Backend Engineer, AI Platform](https://feeny.ai/job/staff-backend-engineer-ai-platform-nightfall-ai-bengaluru-t8cfepefkdpj) — Bengaluru, India - [ML Engineer/Scientist, AI Platform](https://feeny.ai/job/ml-engineer-scientist-ai-platform-nightfall-ai-bengaluru-me2ddjeqkwv6) — Bengaluru, India - [VP of Marketing](https://feeny.ai/job/vp-of-marketing-nightfall-ai-united-states-443wcbxecq3r) — United States - [Lead Endpoint Engineer - Linux](https://feeny.ai/job/lead-endpoint-engineer-linux-nightfall-ai-bengaluru-kssyhq470n6k) — Bengaluru, India - [VP of Finance](https://feeny.ai/job/vp-of-finance-nightfall-ai-palo-alto-7cf9zn56tpex) — Palo Alto, CA - [Lead Sales Engineer](https://feeny.ai/job/lead-sales-engineer-nightfall-ai-palo-alto-8b9n7qh3150q) — Palo Alto, CA