Senior Platform Engineer - Developer Platform, DevEx
SentinelOne · United States
- Hybrid
- Full-time
- $182,000 / year
- United States
Job highlights
- Lead developer platform design and development.
- Build secure APIs and infrastructure.
- Implement modern DevEx and CI/CD practices.
- Collaborate across global, high-scale teams.
- Mentor engineers and drive innovation.
About the role
Purpose
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 AI 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.
As a Senior Platform Engineer, you will be tasked with leading the design and development of a unified, scalable Developer Platform, building secure APIs and infrastructure using modern DevEx and CI/CD practices, and collaborating across teams to drive innovation in a global, high-scale environment.
What will you do?
Primary responsibilities include:
- Help create the Future: Dive deep into our current developer platform, identify pain points, and design innovative solutions to address them in an iterative way toward a shared vision. Participate in design and development of a new architecture that supports scalability, maintainability, and operational excellence.
- Modernize the Stack: Collaborate with architects and teams to evaluate and implement the right tools, frameworks, and methodologies for building a robust, user-centric developer platform.
- Hands-on Development: Write high-quality, production-ready code.
- Mentor and Lead: Guide and mentor other engineers, contribute to their professional growth, share best practices and architectural insights, and foster a culture of engineering excellence. Your involvement increases the overall quality, whether you wrote it directly, reviewed it, or had a hand in designing it.
- Collaborate Across Teams and Orgs: Partner with engineering, architects, product, design, quality, DevOps / Infra teams, and leadership to align on objectives, design, timelines, and execution strategies.
Our stack: Go, Python; Kubernetes, Docker, AWS, GCP, FedRAMP; GitHub Actions, ArgoCD; GitHub Enterprise; depending on the requirements of the service for communication, we use Kafka, REST API, GraphQL, gRPC, etc.; Postgres, MongoDB, Redis, ClickHouse; Prometheus/Thanos, Grafana
What Skills and Knowledge Will You Bring?
Ideal candidates will have:
- Expertise in Developer Platform / DevEx fundamentals and infrastructure platform services design
- Proficiency in Golang, experience with Python is a plus
- Deep proficiency in CI/CD pipelines and tooling (e.g., GitHub Actions, ArgoCD, Jenkins) in large-scale environments
- Extensive experience with cloud platforms (AWS and/or GCP) and Kubernetes
- Excellent problem-solving skills
- Strong ownership and accountability, with proven experience driving large, impactful projects
- Strong communication skills and ability to articulate technical concepts and influence engineering direction across teams, departments, and stakeholders in multiple time zones
Why Us?
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
- Restricted Stock Units (RSUs)
- Employee Stock Purchase Plan (ESPP)
- Time Off & Wellbeing
- Flexible time off
- Paid company holidays and paid sick time
- Gender-neutral parental leave
- Grandparent leave
- Insurance & Financial Security
- Medical, dental, and vision coverage
- 401(k) retirement plan with company match
- Life and disability insurance
- Health and dependent care FSA
- Voluntary benefits (hospital, accident, critical illness)
- Employee Assistance Program (EAP)
- ARAG pre-paid legal
- Nationwide pet insurance
- Cancer Care program
- Global business travel medical insurance
- Work Perks & Flexibility
- Home office allowance
- Mobile phone reimbursement
- Wellness & Lifestyle
- Wellness coach
- Wellness/gym reimbursement
- Fertility coverage
- Adoption & surrogacy reimbursement
This U.S. role has a base pay range that will vary based on the location of the candidate. For some locations, a different pay range may apply. If so, this range will be provided to you during the recruiting process. You can also reach out to the recruiter with any questions.
Base Salary Range
$132,000—$182,000 USD
SentinelOne is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.
SentinelOne participates in the E-Verify Program for all U.S. based roles.
Key skills/competency
- Developer Platform Engineering
- DevOps and CI/CD
- API Design and Development
- Cloud Infrastructure (AWS, GCP)
- Kubernetes Management
- Golang Programming
- Scalability and Performance
- Mentorship and Technical Leadership
- Problem-Solving and Innovation
- Cross-functional Collaboration
Skills & topics
- Senior Platform Engineer
- Developer Platform
- DevEx
- CI/CD
- Kubernetes
- Golang
- AWS
- GCP
- API Development
- Infrastructure Engineering
How to get hired
- Tailor your resume: Highlight experience in Developer Platforms, DevEx, CI/CD, and cloud technologies like Kubernetes, AWS, and GCP. Quantify achievements where possible.
- Showcase technical skills: Emphasize proficiency in Golang and experience with CI/CD tools such as GitHub Actions and ArgoCD.
- Demonstrate leadership: Include examples of mentoring engineers and driving impactful, large-scale projects.
- Prepare for interviews: Be ready to discuss your approach to designing scalable platforms, problem-solving, and collaborating across diverse teams.
- Understand the culture: Research SentinelOne's AI-native approach to security and their commitment to innovation.
Technical preparation
Behavioral questions
Frequently asked questions
- What are the key responsibilities for a Senior Platform Engineer at SentinelOne?
- As a Senior Platform Engineer at SentinelOne, you will lead the design and development of a unified, scalable Developer Platform. This includes building secure APIs and infrastructure using modern DevEx and CI/CD practices, mentoring other engineers, and collaborating across global teams to drive innovation in a high-scale environment.
- What programming languages and technologies are essential for this Senior Platform Engineer role?
- Proficiency in Golang is essential, with experience in Python being a plus. You should also have deep expertise in CI/CD pipelines and tooling (e.g., GitHub Actions, ArgoCD), and extensive experience with cloud platforms (AWS and/or GCP) and Kubernetes.
- What makes SentinelOne a unique place to work for a Senior Platform Engineer?
- SentinelOne is at the intersection of AI and security, pioneering a new operating model. You'll work on an AI-native platform that unifies protection across various systems, reducing complexity and empowering security teams. The company fosters a culture of continuous learning and innovation, allowing you to solve hard problems alongside talented, mission-driven people.
- How does SentinelOne support the professional growth of its Senior Platform Engineers?
- SentinelOne invests in its employees through opportunities for continuous learning, encouraging fluency in AI tools and concepts. As a Senior Platform Engineer, you'll have the chance to mentor other engineers, share best practices, and contribute to architectural decisions, thereby increasing overall team quality and your own professional development.
- What is the typical career progression for a Senior Platform Engineer at SentinelOne?
- While specific career paths can vary, a Senior Platform Engineer at SentinelOne is positioned for leadership roles, potentially advancing to Principal Engineer, Architect, or management positions within the platform or engineering organization. Your contributions to designing and scaling critical infrastructure are highly valued and recognized.
- How does SentinelOne ensure a positive Developer Experience (DevEx) within its platform?
- SentinelOne focuses on building a robust, user-centric developer platform by evaluating and implementing the right tools, frameworks, and methodologies. Key responsibilities include identifying pain points in the current developer platform and designing innovative solutions to enhance scalability, maintainability, and operational excellence, all while adhering to modern DevEx and CI/CD practices.
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