DNS Engineer - SRE - Optimum

OpenTalent; Plano (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Optimum is seeking a DNS Engineer – SRE to own the architecture, scalability, and reliability of the DNS infrastructure powering our ISP and core network services. This role emphasizes automation, observability, and self-healing systems, blending IP networking with modern security to support millions of users.

You will lead cross-functional initiatives with Product, Security, and Service Assurance teams, delivering a carrier-grade DNS ecosystem with privacy standards and uncompromising

Qualifications

• Experience with DNS infrastructure and IP networking.
• Familiarity with DNS security (DNSSEC) and DoH/DoT protocols.

Responsibilities

• Architect global DNS architectures with high availability and Anycast routing.
• Engage with DNS vendors to drive reliable roadmaps and security goals.
• Oversee DNS platforms lifecycle, automated deployments, and capacity planning.
• Define standards for DNS records, security protocols (DNSSEC), and traffic steering.
• Set Service Level Objectives (SLOs) and error budgets for core name services.

Job description

Are you looking to Optimize your life? Start your exciting path to a rewarding career today!

We are Optimum, 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. Connectivity is no longer a luxury, but a necessity. A career at Optimum means you'll be enabling progress and enhancing lives by providing reliable, high-speed connectivity solutions that keep the world connected. Our successes, now and in the future, are powered by our amazing product, a commitment to our people and culture, and the connections we make in our communities.

If you are resourceful, collaborative, and passionate about delivering consistent excellence, Optimum is for you!

Job Summary

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. This position is designed for an engineer who views infrastructure through the lens of Site Reliability Engineering (SRE) prioritizing automation, observability, and self-healing systems over manual intervention. 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. The Impact This is a collaborative and influential role. Beyond core engineering, you will serve as a technical authority, leading cross-functional initiatives with Product, Security, and Service Assurance teams. 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.

Responsibilities

• 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.