Brno, South Moravian, Czech Republic
3 days ago
Senior Infrastructure Engineer
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:

We are seeking a Senior Infrastructure Engineer to join our Cloud Fabric team, the engineering bedrock of SentinelOne's global, multi-cloud platform. This team is accountable for the reliability, scalability, and efficiency of the foundational cloud infrastructure platform that powers our AI cybersecurity solutions.

In this role, you will implement, build, and operate the core components of our infrastructure, including compute, networking, storage, and identity, across AWS, GCP, and Azure at a massive scale. We are not just looking for an operator; we need a true engineer who will:

Lead the design and automation of critical cloud systems to support hyper-growth. Embrace an "Infrastructure as Code" philosophy, using tools like Terraform and Python to create declarative, repeatable, and secure environments. Dive deep to research, troubleshoot, and resolve complex, distributed systems-level problems. Build innovative tooling and automation that eliminates toil and accelerates the entire engineering organization. Mentor other engineers and champion best practices in cloud architecture and operational excellence.

If you have a passion for solving complex infrastructure puzzles and building resilient systems that operate flawlessly at scale, we want to hear from you.

What You Will Do:

As a Senior Infrastructure Engineer, you won't just be working on systems; you'll be building the platform that powers our entire engineering organization. Your mission is to enable our developers to ship features faster, safer, and more reliably than ever before. You will:

Build a World-Class Platform: Take ownership of critical components within our next-generation Cloud Infrastructure Platform. You will design, build, and evolve the core control planes and paved-road solutions that our developers use every day. Drive Platform Adoption and Enablement: Treat our infrastructure as a product. You will partner with engineering teams as your customers, helping them adopt our platform to ship features with greater speed, reliability, and confidence. Own Reliability for Core Infrastructure: Define and own the SLOs for our core cloud infrastructure by deeply instrumenting its components within our observability platform. The insights you generate will directly inform the proactive engineering required to improve performance, latency, and availability. You will participate in a sustainable on-call rotation to transform operational incidents into lasting reliability improvements. Automate to Eliminate Toil: Build robust, scalable automation and tooling that simplifies complex processes, improves system reliability, and increases developer velocity. What Skills and Knowledge You Should Bring:

We are looking for a seasoned engineer with a product-builder's mindset who is passionate about creating leverage for their colleagues.

Proven Cloud Expertise: 5+ years of experience designing, building, and operating business-critical infrastructure services in a large-scale public cloud environment (e.g., AWS, GCP, Azure). Mastery of Infrastructure as Code: Deep, hands-on expertise building and scaling infrastructure with Terraform. You should be comfortable creating reusable modules and maintaining a complex state. Strong Programming Skills: Proficiency in Python or another high-level language (e.g., Golang, Java). You write clean, maintainable code for automation and building services, and you're always willing to learn. Deep Networking Knowledge: A solid understanding of cloud networking principles, including VPC architecture, routing, DNS, load balancing, and network security in a multi-account environment. Production Kubernetes Experience: Hands-on experience running Kubernetes in a production environment is a plus. You are familiar with its core architecture, APIs, and networking models. Experience with managed offerings (GKE, EKS) is highly valued. Observability Mindset: Practical experience building and operating modern monitoring and alerting stacks (e.g., Prometheus, Grafana, Thanos) to ensure operational excellence. Collaborative Communication: Excellent written and verbal communication skills, with a demonstrated ability to partner effectively with other teams and influence technical decisions. 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. 

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