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Nightfall AI

Lead Endpoint Engineer - Windows

Bengaluru
Level
Lead
Work type
Hybrid · Bengaluru

Not stated in the posting: salary, visa.

Open. First seen 9 September 2026.

Apply on the company's site →

About the role

Nightfall AI's standard text

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.
Nightfall AI's standard text

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.

What this role asks for

Particular to this role

Rust

Rare in Nightfall AI's other 18 open postings.

Standard for software engineering roles

Python

Common in software engineering postings at any company.

In most of Nightfall AI's ads

Cloudflare · Cybersecurity · Generative AI · Okta

Named in most of its open postings, whatever the role.

51% of this description is written for the role. The rest is Nightfall AI's standard text, folded away below.

Read against Nightfall AI's other open postings on this site.

The team: Engineering HIRES STEADILY

This role is one of 15 open in Engineering. 2 were posted in the last 30 days and the oldest in May: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Cloudflare (15 of 15), Cybersecurity (15 of 15), Generative AI (15 of 15), Okta (15 of 15), C++ (10 of 15), Golang (10 of 15), Python (9 of 15)

OTHER ROLES ON THIS TEAM

From the team and dates on Nightfall AI's own job board.

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