Senior Software Engineer, DNS

DNS Engineer

This position will perform work that the U.S. government has specified can only be performed by a U.S. citizen on U.S. soil.

The Cisco Common Platform Services (CCPS) organization is transforming how Cisco delivers software-as-a-service by providing a modern, consistent, and secure platform for all! With demonstrated ability, our global team brings innovative methodologies to building and managing hybrid cloud environments. We focus on platform management services, continuously evaluating infrastructure and operations to ensure efficiency and precision. Our expertise in IaaS and PaaS, combined with repeatable and portable delivery models, enables the rapid and secure deployment of applications.

Within CCPS, the Cloud Software & Solutions (CSS) group designs and develops cloud platforms with an emphasis on quality, stability, simplification, user experience, scalability, performance, and portability. We are looking for a DNS Engineer to join our team for the DNS engineering, automation, and continuous improvement of enterprise DNS platforms and services.

Your Impact

As a Software Engineer, you will help design, build, and evolve enterprise DNS architecture spanning authoritative and recursive DNS, forwarding, delegation, and service integrations. You will modernize the platform by improving provisioning, configuration management, validation, monitoring, and recovery through infrastructure as code and automation frameworks. Your work will strengthen the reliability, performance, security, and maintainability of critical DNS services ough global Tier 3 support, you will troubleshoot complex issues involving resolution behavior, zone design, DNSSEC, caching, delegation models, and integration dependencies.

You will also collaborate with software, network, cloud, and security teams to deliver resilient DNS solutions for new services and platform changes.

Minimum Qualifications

• Bachelor's degree with 6+ years or Master's degree with 4+ years of experience in software development, systems engineering, or cloud/platform engineering.
• Experience designing, implementing, or operating DNS services, including authoritative and recursive DNS, delegation, forwarding, caching, and DNS record behavior.
• Experience developing infrastructure automation using Python and tools such as Ansible, Terraform, or equivalent infrastructure-as-code technologies.
• Experience administering Linux environments and diagnosing issues across DNS, networking, and distributed systems.
• Experience using AI-assisted tools to automate routine tasks, support technical troubleshooting, and improve software or infrastructure engineering workflows.

Preferred Qualifications

• Experience with DNSSEC, GSLB, Anycast DNS, and hybrid cloud DNS patterns.
• Experience integrating DNS with IPAM, DHCP, cloud networking, and platform automation.
• Familiarity with Kubernetes CoreDNS.
• Familiarity with CI/CD, policy-based automation, and engineering validation frameworks.
• Experience working in regulated, security-sensitive, or large enterprise environments.