Site Reliability Engineer, DNS

Job summary

Are you looking to Optimize your life? Start your exciting path to a rewarding career today! We are Opt***, a leader in the fast-paced world of connectivity, and we're seeking driven and enthusiastic professionals to join our team, empower lives, fuel businesses, and drive innovation.

Qualifications

• If you are resourceful, collaborative, and passionate about delivering consistent excellence, Opt*** is for you!
• Your goal is to deliver a carrier-grade DNS ecosystem that balances cutting-edge privacy standards (DoH/DoT) with the uncompromising availability required by Tier-1 network operations.
• Minimum
• Education: Bachelor’s degree in Computer Science, Telecommunications, or a related field (or equivalent practical experience in networking and security)
• Experience: 5+ years in a networking or systems engineering role, with a focus on SRE principles (automation, reliability, and monitoring) in production environments
• DNS Fundamentals: Hands-on experience configuring and maintaining at least two of the following: BIND, Unbound, PowerDNS, AWS Route 53, or Azure DNS
• Networking Protocols: Functional understanding of TCP/IP (IPv4/v6) and DNS-specific protocols including DNSSEC and encrypted transport (DoH/DoT)
• Systems & Automation: Strong Linux/Unix administration
• DNS Systems: Hands-on experience managing BIND, Unbound, or PowerDNS in high-traffic environments, alongside cloud-native solutions (AWS Route 53, Azure DNS, Google Cloud DNS)
• Protocol Expertise: Mastery of DNS-specific protocols including DNSSEC, DoT, and DoH, with a firm grasp of underlying transport layers (UDP/TCP) and dual-stack (IPv4/IPv6) networking
• Observability: Experience building dashboards and alerts using Prometheus, ELK, or OpenTelemetry to monitor DNS query latency and error rates
• Automation: Proven ability to manage "DNS as Code" using Terraform or Ansible and writing scripts (Python/Go) to automate routine zone updates

Responsibilities

• A career at Opt*** means you'll be enabling progress and enhancing lives by providing reliable, high-speed connectivity solutions that keep the world connected.
• The Role DNS Engineer – SRE is a high-impact role responsible for the architecture, scalability, and reliability of the mission-critical DNS infrastructure powering our ISP and core network services.
• You will combine deep IP networking and DNS expertise with modern security protocols to ensure our platforms remain resilient against evolving threats and perform at the highest level for millions of users.
• Beyond core engineering, you will serve as a technical authority, leading cross-functional initiatives with Product, Security, and Service Assurance teams.
• Core Platform Strategy & Leadership
• Architectural Ownership: Lead the design and evolution of global DNS architectures, ensuring high availability through Anycast routing, multi-provider redundancy, and automated failover mechanisms.
• Strategic Vendor Relations: Act as the primary technical authority in engagements with DNS and infrastructure vendors, driving roadmaps that align with our long-term reliability and security goals.
• Lifecycle & Capacity Management: Oversee the full lifecycle of DNS platforms—including automated software deployments, hardware refreshes, and proactive capacity planning—to stay ahead of traffic growth.
• Standardization & Policy: Optimize, Define and enforce organization-wide standards for DNS record management, security protocols (DNSSEC), and traffic steering policies to optimize user latency.
• Reliability Engineering: Convert "Strategic Design" into "Operational Reality" by defining Service Level Objectives (SLOs) and Error Budgets for all core name services.
• Cross-Domain DNS Operations & SRE
• Protocol Management: Manage the nuances of UDP/TCP port 53, recursion vs.

Skills

Degrees

Work schedule

Industry