Cisco

Senior Software Engineer, DNS

Cisco
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23 hours ago
Durham, NC, USASenior
H1B Sponsor

Base Salary

$139k - $204k/yr

Responsibilities

  • Design, build, and evolve enterprise DNS architecture spanning authoritative and recursive DNS.
  • Automate DNS provisioning, configuration management, validation, monitoring, and recovery using infrastructure-as-code frameworks.
  • Troubleshoot complex DNS, networking, distributed-systems, caching, delegation, and integration issues through global Tier 3 support.
  • Improve the reliability, performance, security, and maintainability of critical DNS services at scale.
  • Collaborate with software, network, cloud, and security teams on resilient DNS solutions and platform changes.

Requirements

  • 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 authoritative and recursive DNS, delegation, forwarding, caching, and DNS record behavior.
  • Experience developing infrastructure automation with Python and tools such as Ansible, Terraform, or equivalent infrastructure-as-code technologies.
  • Experience administering Linux environments and diagnosing DNS, networking, and distributed-systems issues.
  • Experience using AI-assisted tools to automate routine tasks, support troubleshooting, and improve engineering workflows.
  • Preferred experience with DNSSEC, GSLB, Anycast DNS, hybrid cloud DNS, IPAM, DHCP, cloud networking, and platform automation.
  • Preferred familiarity with Kubernetes CoreDNS, CI/CD, policy-based automation, and engineering validation frameworks.
  • Experience in regulated, security-sensitive, or large enterprise environments is preferred.
  • Must be a U.S. citizen working on U.S. soil.

Benefits

  • Medical, dental, and vision insurance, a 401(k) plan with Cisco matching contributions, paid parental leave, disability coverage, and basic life insurance.
  • Eligibility for Cisco restricted stock unit grants and annual bonuses for non-sales roles.
  • Paid holidays, birthday leave, year-end shutdown, personal wellness days, vacation or flexible time off, sick time, family emergency leave, and optional volunteer days.

Categories

Cisco

About Cisco

10,000+ employees

Cisco is the worldwide technology leader that is revolutionizing the way organizations connect and protect in the AI era. For more than 40 years, Cisco has securely connected the world. With its industry leading AI-powered solutions and services, Cisco enables its customers, partners and communities to unlock innovation, enhance productivity and strengthen digital resilience. With purpose at its core, Cisco remains committed to creating a more connected and inclusive future for all.

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