Staff Site Reliability Engineer

Job description

About Us

At SentinelOne, we’re redefining cybersecurity by pushing the limits of what’s possible—leveraging AI-powered, data-driven innovation to stay ahead of tomorrow’s threats.

From building industry-leading products to cultivating an exceptional company culture, our core values guide everything we do. We’re looking for passionate individuals who thrive in collaborative environments and are eager to drive impact. If you’re excited about solving complex challenges in bold, innovative ways, we’d love to connect with you.

What are we looking for?

As a Staff Site Reliability Engineer, you will be a technical leader within the SRE organization, responsible for setting the technical direction and driving the long-term reliability  vision for SentinelOne’s production service. You will be empowered to solve systemic, cross-team challenges and improve the reliability, scalability, and performance of our entire service ecosystem. You will not just contribute to major initiatives like our Monitoring and Observability Uplift and Logging Pipeline modernization; you will be instrumental in leading the strategy and architecture for these large-scale projects, ensuring they meet the long-term needs of the business.

SRE organization’s mission at SentinelOne (S1) is to keep our uptime promise to our customers by ensuring we meet our SLOs/SLAs, help our engineering teams ship software to our customers fast and with quality and ensure our customers are successful. You will join the ‘Core SRE’ team at S1 and have an amazing opportunity to drive outcomes that improve reliability, stability and cost efficiency of S1’s ‘Singularity Platform’ – our largest customer facing service, which has over 15,000 B2B/B2G customers deployed across over 5 regions and 2 cloud service providers.

What will you do?

As a Staff SRE, you will be a key technical leader, strategist, and mentor. You will operate across teams to solve the most challenging reliability and scalability problems at SentinelOne.

Your responsibilities will include:

• Setting the technical direction for reliability across multiple services, partnering with engineering leaders to create and execute long-term roadmaps.
• Identifying and eliminating entire classes of operational work by designing and building scalable, automated platforms for use by all of SRE and Engineering.
• Leading post-mortems for major, multi-system incidents and owning the strategic follow-up to address systemic root causes across the organization.
• Mentoring and developing senior engineers within the SRE organization, acting as a force multiplier to level up the entire team.
• You will join a like minded team of SRE’s who help run our operations smoothly at scale by building a platform on which S1’s services can run. If the thought of running a large scale cybersecurity platform on various cloud providers and air gapped environments excite you, you’ve found the right place!
• As a team we value good written communication skills, data driven decisions and a keen eye for continuous improvements. You’ll help simplify, have a passion for new ideas and know how to execute iteratively towards the final goal. We value candor and collaboration.

What skills and knowledge should you bring?

• An extensive and proven track record in SRE/DevOps, with deep experience leading large, cross-functional technical projects from inception to completion.
• Expertise across multiple cloud providers (AWS, GCP, Azure), with proven experience designing, running, and troubleshooting highly-available systems in complex, multi-cloud and air-gapped environments.
• Great proficiency in one or more mainstream languages (e.g., Go, Python), with demonstrable experience building scalable software and automation platforms.
• Strong Production experience with orchestration systems like Kubernetes, Nomad or Mesos (We are a Kubernetes shop)
• Proven ability to set technical direction and influence the roadmap of multiple engineering teams without direct authority.
• Experience with SecOps & Compliance processes and their touch points with SRE is desired
• Polyglot experience with other SRE tools – we integrate with more tools every day

Apart from the above technical skills, following soft skills are required:

• A strong sense of business acumen and the ability to evaluate technical decisions in the context of cost, risk, and long-term company strategy
• Demonstrated experience in mentoring and growing senior engineers.
• Exceptional communication skills, with the ability to articulate complex technical concepts to diverse audiences, from junior engineers to executive leadership.
• Curiosity, fast-learning, pursuit to improvements, great communication
• Ability to work in a diverse and distributed team
• A self-starter that is passionate and motivated by new technologies and has empathy for legacy systems
• A quick learner that can navigate through unfamiliar programming languages, systems and processes

Why Us?

Join a cutting-edge company tackling extraordinary challenges alongside top industry talent. Enjoy flexible hybrid work in Prague (Karlin), Brno (Clubco), or remotely across CZ/SK. Only Prague-based employees are required to work from the office at least two days per week.

Competitive Benefits Package:

• Stock & Bonuses: Grant of Restricted Stock Units with a 4-year vesting plan, annual performance-based bonuses, and an employee stock purchase plan.
• Time Off & Well-being: Flexible Time Off, on top of the standard 5 weeks vacation, flexible paid sick days, fully paid Short Term Sick/Nursing Leave, 16-week parental leave, grandparent leave, and additional company holidays.
• Insurance & Health: Pension Insurance Contribution, Premium life insurance, Private medical care (for you and +1), and a Global Employee Assistance Program
• Work Perks: Monthly meal and well-being allowance, high-end MacBook/Windows laptop, work-from-home support, and in-office refreshments.
• Growth & Community: LinkedIn Learning, internal mentoring, educational support, generous referral bonuses, and optional company events (sports, BBQs, charity).

Be part of an inclusive, innovative workplace that values belonging, flexibility, and growth!

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.