Hybrid Mid System Engineer, DNS Team

at Hostinger International

• Job title: Mid System Engineer, DNS Team
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: €5,000 per month
• Degree requirement: No Education Requirement
• Tech skills: Ansible, DNS, Linux, MySQL, Terraform
• Location requirements: Hybrid, Kaunas, Lithuania

About the role

• Mid System Engineer managing and advancing Hostinger’s DNS platform for global performance and reliability. Joining the fastest-growing hosting company supporting millions of users.

Responsibilities

• **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.

Requirements

• **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

• A culture where everyone values the highest standards, freedom, and responsibility.
• Unlimited growth: Manager’s Academy, Coachhub, Reforge, Scribd learning tools, and invitations to the World’s best conferences.
• A friendly, supportive, and experienced team that is eager to share their knowledge.
• A chance to be an owner of your flexible working hours and results.
• A health insurance package for your wellness.
• Workations & quarterly OKR parties.
• Modern offices in Kaunas and Vilnius.
• The opportunity to benefit from our stock options program.