Jobs at Nightfall AI

The Backend Engineer will architect and maintain secure, high-performance microservices and databases, ensuring reliable data processing at scale.

Lead and build Nightfall's marketing function: strategy, demand generation, field and product marketing, brand, PR/analyst relations, website conversion, AI-native workflows, budget ownership, and team development to drive revenue and category leadership.

Lead the endpoint engineering team at Nightfall, overseeing design, architecture, and implementation across platforms while contributing code and mentoring engineers.

Design and develop a data loss prevention agent for Linux, implementing kernel-level monitoring and collaboration with endpoint teams, requiring deep Linux expertise.

Lead design and build of a production-grade Linux endpoint DLP agent: implement kernel-level event interception (eBPF, LSM, fanotify), userspace policy enforcement, deployment, debugging, reliability, cross-platform coordination, and customer-facing documentation.

Lead product development for Nightfall's data security platform across SaaS, AI apps, endpoints and browsers. Ship AI security features rapidly, define success metrics (deployment, detection accuracy, remediation), prioritize roadmap with engineering, support sales engineering and customer success during POCs and deployments, and present capabilities to CISOs and SecOps teams.

Lead Nightfall's finance function: FP&A, accounting, reporting, compliance, fundraising, investor/board relations, budgeting, runway and cash management, financial controls, and scaling the finance team while partnering with cross-functional leaders to track SaaS metrics and support strategic decisions.

Lead the technical sales process for enterprise prospects: consult on requirements, demo the Nightfall platform, run proof-of-value assessments, support trade show presentations, and relay product feedback to product and engineering teams to drive adoption and growth.

The Commercial Account Executive will expand the customer portfolio, manage the sales cycle, build relationships, and achieve revenue goals in a cybersecurity context.

Owner of end-to-end QA for endpoint and SaaS products: analyze requirements, create test cases, execute Windows/macOS endpoint, web and API testing, build and maintain automated test suites, run load/stress tests, reproduce and triage customer issues, and report/verify fixes with engineering.

Design and develop data exfiltration prevention apps and services on MacOS. Maintain mission-critical agents and troubleshoot customer issues.

Design, develop, and maintain Windows endpoint agents, drivers, system extensions and services to prevent data exfiltration. Own features from design through delivery, troubleshoot customer issues, perform kernel-level debugging and reverse engineering, and produce internal and public documentation.

Build and operate low-latency, real-time microservices and high-volume streaming data pipelines. Develop secure authentication and API services, maintain mission-critical databases, instrument systems for per-customer visibility, and produce service documentation.

The Growth Marketing Manager will drive pipeline creation and manage multi-channel demand generation tasks, focusing on AI-driven systems and campaign strategies to attract enterprise security buyers.

Design, build, and deploy AI systems for real-time data loss prevention: develop and benchmark NLP/ML models, implement training and inference pipelines in Python, build Go microservices for scalable ingestion and processing, collaborate cross-functionally, and participate in on-call operational support.

As a Backend Engineer at Nightfall, you will build scalable APIs and services, manage databases, optimize AI/ML services, and ensure operational excellence.

Own the full sales cycle to identify, qualify, and close net-new enterprise customers across the East region. Build C-level relationships, deliver tailored demos and value presentations, forecast pipeline in CRM, partner cross-functionally, and exceed quarterly and annual new-business revenue targets while staying current on industry trends.

Lead West-region enterprise new-business sales: build and execute territory plans, qualify and close net-new customers, own full sales cycle, engage C-level and security stakeholders, deliver tailored demos/POVs, forecast pipeline, and exceed revenue targets.

Lead territory planning and full sales cycle to acquire enterprise new logos, build C-level and security relationships, deliver demos/POVs, forecast pipeline, and exceed new-business revenue targets while partnering cross-functionally.

Design, develop, and maintain macOS endpoint agents, system extensions, and services to prevent data exfiltration. Own features from design to delivery, troubleshoot customer issues, perform OS-level research and kernel debugging, and produce well-tested code for mission-critical endpoint security components.