Site Reliability Engineer (SRE)

Join Hostinger and we’ll grow fast! 🚀 Is there a limit to growth? Not at Hostinger. We’re constantly reaching new heights. With a team of 900 professionals, we are behind the success of over 3 million clients in 150 countries, helping them launch their e-shops, blogs, portfolios, businesses, and passion projects. Are you ready to join the fastest-growing hosting company in the world, manage thousands of servers, and scale tens of petabytes of data across 12 data centers globally? Embrace the challenge and be part of a team that's revolutionizing the industry! Our mission: To build world-class solutions for anyone to easily succeed online Our culture: Guided by 10 company principles Our formula for success: Customer obsession, innovative products, and talented teams. Your role at Hostinger You will be directly responsible for operating and advancing Hostinger’s global DNS platform — a mission-critical system that positions us among the top DNS providers worldwide. Your work will revolve around building and maintaining a high-performance, ultra-reliable authoritative DNS network capable of serving massive query volumes across the globe. In this role, you will provision and scale DNS infrastructure, optimize zone distribution and record serving, fine-tune DNS propagation behavior, and ensure low-latency resolution from every region. You’ll implement automation for DNS deployment and configuration, enhance observability for DNS traffic and edge nodes, and troubleshoot complex DNS issues to maintain maximum uptime and accuracy. You will collaborate closely with product and infrastructure teams to evolve the DNS architecture, strengthen its security posture, and support new features that improve customer experience. Your contributions will guarantee fast, consistent, and secure DNS responses, enabling millions of users to enjoy instant domain resolution and uninterrupted service every day. Curious to learn more? Connect with your team: Skirmantas Juraška, Head of Infrastructure Your day-to-day

Provision DNS Infrastructure: Deploy and configure new authoritative DNS servers and related components to expand global query-handling capacity.

Scale and Optimize DNS Network: Continuously manage and scale DNS infrastructure to support increasing traffic while maintaining ultra-high availability and minimal latency.

Design and Implement DNS Architectures: Build efficient, resilient DNS systems — including zone distribution models, redundancy strategies, and edge-serving optimizations.

Monitor and Maintain DNS Operations: Track DNS performance, analyze query patterns, plan capacity growth, and ensure smooth, accurate, and uninterrupted resolution across all regions.

Automate DNS Workflows: Use tools like Ansible and Terraform to automate provisioning, configuration, and deployment processes within the DNS ecosystem.

Troubleshoot DNS Issues: Quickly diagnose and resolve DNS-related incidents, maintaining accuracy, stability, and strong SLAs.

Enhance Performance: Continuously measure and fine-tune DNS response times, caching behavior, and propagation efficiency to improve overall system performance and scalability.

Collaborate with Product and Infrastructure Teams: Work closely with cross-functional teams to deliver DNS solutions tailored to product needs and to support new features and customer-facing improvements.

Drive Innovation: Explore new technologies, implement improvements, and refine operational workflows to evolve and strengthen the DNS platform.

Your skills and experience

Linux Expertise: Advanced experience with Linux operating systems (Debian and Red Hat), with a strong drive to deepen expertise in open-source technologies.

DNS Systems Proficiency: Solid hands-on experience with PDNS, MySQL clustering and replication, LMDB backends, DNSSEC, large-scale zone management, Anycast-based DNS delivery, DNS performance tuning, monitoring, automation, and DNS-focused attack mitigation.

Design and Optimization: Proven ability to design, implement, and optimize DNS solutions to ensure high availability and efficient zone management.

Performance Monitoring: Skilled in monitoring system performance, conducting capacity planning, and ensuring smooth and reliable operation of DNS infrastructure.

Automation: Proficient with automation tools such as Ansible to streamline and standardize operational workflows.

Troubleshooting: Strong problem-solving skills in diagnosing and resolving DNS-related issues to maintain system stability and integrity.

Backup and Recovery: Familiar with backup strategies, disaster recovery planning, and data replication techniques.

Monitoring and Alerting: Experience with monitoring tools to track DNS health and performance metrics, including latency and query trends.

Commitment to Excellence: Dedicated to meeting Service Level Objectives (SLOs) for DNS performance and availability.

Continuous Improvement: Always seeking opportunities to innovate and enhance existing systems, processes, and operational efficiency.

Effective Communication: Strong communication skills in Lithuanian and English, both written and spoken.

Benefits for you

🚀 360 Growth: Limitless learning opportunities with access to Reforge, Couch Hub, global conferences, libraries, strong feedback culture, and mentoring through TesoXchange. We're invested in helping you level up from mid to senior.

🎯 Freedom & responsibility: Work from modern offices in Kaunas and Vilnius, home, or anywhere in the world. Flexible schedule, trust-based culture, and the space to bring your ideas to life.

💪 Wellness simplified: Health insurance from Day 1, gym memberships, recharge leave, Headspace subscriptions, and regular health checks. Join sports, arts, and hobby clubs or enjoy work-life balance.

🎉 Work hard - party hard: Company events like Summerfest & Winterfest, Town Hall, team-buildings, workations, Žalgiris Arena VIP Lounge access, and milestone gifts for life's big moments.

Compensation

Gross salary from 5000 EUR/month. Specific compensation is offered based on work experience, competence, and compliance with other job requirements.