Staff Endpoint Software Engineer, Prompt (Python & OS Internals)

SentinelOne

New City (NY)

On-site

USD 156,000 - 215,000

Full time

14 days+

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Benefits offered by this job

RSUs

ESPP

Flexible time off

Paid holidays and sick time

Parental leave

Medical, dental, vision coverage

401(k) with company match

Life and disability insurance

Home office allowance

Wellness benefits

Job summary

SentinelOne is seeking a Staff Endpoint Software Engineer for Prompt (Python & OS Internals). You will own sensor components, advance AI-powered security features, and collaborate with cross-functional teams to deliver secure, high-performance endpoints across diverse environments.

The role emphasizes building robust sensors, evolving policy logic, and diagnosing production issues with real customer impact. A strong background in Python, OS internals, and endpoint security is essential.

Qualifications

At least 6 years of experience in Python, Node.js or a comparable language.
Experience with macOS and Windows Endpoint Security.
Proficiency in OS architecture and internals.
Strong customer orientation and ability to diagnose and fix issues in real-world scenarios.
Business and product awareness with an understanding of roadmaps and customer impact.
Accountability and growth mindset.

Responsibilities

Build and optimize sensor components for minimal system footprint with high performance and reliability.
Evolve AI capabilities by designing adaptive policy logic and expanding platform coverage.
Own customer-facing technical problems end-to-end and resolve issues under pressure.
Translate business context into engineering decisions aligned with roadmap.
Collaborate across security engineering, QA, product, and customer-facing teams to meet goals.
Stay current with GenAI and platform security advances and fold into sensors and extensions.

Skills

Python

Node.js

OS architecture

macOS & Windows endpoint security

customer orientation

problem solving

Job description

Staff Endpoint Software Engineer, Prompt (Python & OS Internals)

At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them becomes more critical than ever. When you join SentinelOne, your work helps protect global enterprises, critical infrastructure, and the technologies shaping tomorrow. If you are motivated by meaningful challenges and want your impact to be real, measurable, and global, you will find purpose here.

About Us

SentinelOne is a company at the intersection of AI and security, pioneering a new operating model for cybersecurity. Our AI-native platform unifies protection across endpoint, cloud, identity, data, and AI systems to deliver autonomous detection and response with clarity and speed. By combining real-time analytics, intelligent automation, and a unified data foundation, we reduce noise, simplify complexity, and empower security teams to focus on what truly matters.

Our teams are builders, problem-solvers, and innovators committed to shaping the future of security. If you are excited to solve hard problems alongside talented, mission-driven people, we invite you to help us build a safer future for humanity.

What Are We Looking For?

We're looking for people who are relentlessly curious and committed to continuous learning. AI is reshaping every function across our business, and we enable every team member, regardless of role or level, to build fluency in AIl tools and concepts. Those who thrive here actively seek out new solutions, experiment thoughtfully, and apply what they learn to drive better, faster, smarter outcomes.

At Prompt Security, our mission is to empower organizations to safely harness the transformative power of Generative AI. As a one-stop security platform, we provide visibility, governance, and real-time protection against all Generative AI concerns, enabling organizations to innovate and prosper in the age of AI without compromising on security.

You’ll own your work end-to-end, engage directly with the realities of how customers deploy and rely on our sensors, and diagnose and fix issues on the fly when it matters. You’ll collaborate with expert engineers on high-impact GenAI security challenges while growing your expertise and your influence on where the product goes next.

What Will You Do?

Primary responsibilities include:

Build and optimize sensor components for minimal system footprint - high performance, low resource consumption, and maximum reliability across diverse customer environments.
Evolve our Agentic AI capabilities by helping design adaptive policy logic, improving decision engines, and expanding coverage across platforms - grounded in real customer use cases and roadmap priorities.
Own customer-facing technical problems end-to-end - investigate production issues, reproduce and fix them quickly under real-world pressure, and follow through until the customer is unblocked.
Translate business and roadmap context into engineering decisions - understand what customers need, where the product is heading, and why, so your technical choices move the business forward.
Collaborate across security engineering, QA, product, and customer-facing teams to hit customer and business goals - not just ship code.
Stay current with GenAI and platform security and fold relevant advances into our sensors, agents, and extensions.

What Skills and Knowledge Will You Bring?

Ideal candidates will have:

At least 6 years of experience in Python, Node.js, or a comparable language
Experience with macOS and Windows Endpoint Security
Proficiency in OS architecture and internals
Strong customer orientation - you take ownership of customer problems and can diagnose and fix issues on the fly in real-world conditions
Business and product awareness - genuine interest in the roadmap, the market, and the customers we serve, and the judgment to weigh technical decisions against business impact
Accountability and growth mindset - you own your outcomes, hold yourself to a high bar, and actively invest in your own and the team's growth
Excellent problem-solving skills and attention to detail

Why SentinelOne?

AI is redefining how the world operates and rewriting the rules of security in real time, and SentinelOne was built for this moment. From day one, we architected an AI-native platform designed to operate at machine speed, not as an add-on to legacy systems but as the foundation itself. If you want to build where innovation and impact move together, this is that place.

We invest in our Sentinels with comprehensive, competitive benefits designed to support you and your family:

Equity & Rewards