DNS Platform & DevOps Engineer

Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can proudly bring your authentic self to the workplace. Join us. You'll do the best work of your career right here at Comcast. (In most cases, Comcast prefers to have employees on-site collaborating unless the team has been designated as virtual due to the nature of their work. If a position is listed with both office locations and virtual offerings, Comcast may be willing to consider candidates who live greater than 100 miles from the office for the remote option.)
Job Summary
The DNS Platform & DevOps Engineer 3 will join Comcast's Critical Network Services (CNS) DNS/NTP Engineering and Operations team, responsible for developing, modernizing, and supporting critical DNS and NTP services across Comcast's network. We're looking for a hands-on engineer with strong Python development, Linux administration, CI/CD, and Kubernetes experience, along with a solid understanding of networking and DNS fundamentals. This role combines software development and automation with infrastructure engineering and day-to-day platform operations. The engineer will develop applications and automation tools, support containerized services, maintain CI/CD pipelines, and help modernize our DNS infrastructure. Responsibilities also include Linux system rebuilds, operating system and application upgrades, security vulnerability remediation, troubleshooting, and improving the reliability of our platforms. The ideal candidate is comfortable working across application development, Linux systems, containers, and networking and enjoys solving technical problems in a large-scale production environment.
Job Description
*This position is unable to provide work authorization sponsorship or immigration support now or in the future.*
Required Qualifications

• Hands-on Python development and scripting experience.
• Strong Linux administration and troubleshooting skills.
• Experience with CI/CD pipelines, Git, and automated deployments.
• Experience with Kubernetes and containerized applications.
• Solid understanding of TCP/IP networking, DNS fundamentals, and troubleshooting.
• Experience developing or integrating REST APIs.
• Experience with infrastructure automation and configuration management.
• Ability to troubleshoot across application, operating system, container, and network layers.
• Strong problem-solving, communication, and collaboration skills.

Preferred Qualifications

• Experience with DNS platforms such as BIND, PowerDNS, DNSDist, CacheServe, or equivalent technologies.
• Familiarity with DNSSEC, DNS over HTTPS (DoH), and NTP.
• Experience with Ansible, SaltStack, Terraform, Helm, or GitOps.
• Experience with PostgreSQL and backend application integrations.
• Experience with AI-assisted development, LLM integrations, or intelligent automation.
• Experience supporting large-scale, highly available infrastructure.
• Familiarity with vulnerability remediation and infrastructure security practices.

Key Responsibilities
Software Development & DevOps

• Develop and maintain Python-based applications, APIs, and automation tools.
• Build and maintain CI/CD pipelines and support automated application deployments.
• Develop, deploy, and troubleshoot containerized applications in Kubernetes environments.
• Support Git-based development workflows, automated testing, and application integrations.
• Troubleshoot application, container, and deployment issues.

Infrastructure Engineering & Modernization

• Administer and troubleshoot Linux-based infrastructure, including Rocky Linux.
• Execute infrastructure rebuilds, operating system upgrades, security remediation, and platform modernization.
• Automate infrastructure provisioning, configuration, patching, and deployments.
• Support infrastructure reliability, performance, and ongoing platform improvements.

Networking & DNS

• Support critical DNS/NTP infrastructure and network services.
• Troubleshoot TCP/IP networking, DNS resolution, routing, load balancing, and connectivity.
• Support authoritative, recursive, and caching DNS platforms.
• Troubleshoot DNS-related issues and contribute to platform reliability and performance improvements.

Automation & Operations

• Develop automation solutions using Python, scripting, APIs, and infrastructure management tools.
• Identify opportunities to improve operational efficiency through automation, including AI-assisted solutions.
• Support production operations, incident resolution, change management, and continuous improvement.
• Collaborate with engineering and operations teams on platform upgrades, deployments, and troubleshooting.

Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.
Comcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.
Skills:
Ideation; Technical Leadership; Solutions Design
Salary:
Pay Range: This job can be performed in New Jersey, and Virginia with a Pay Range of $94,321.60 - $147,913.42
Comcast intends to offer the selected candidate base pay within this range, dependent on job-related, non-discriminatory factors such as experience. The application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later.
Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non-sales positions are eligible for a Bonus. Additionally, Comcast provides best-in-class Benefits to eligible employees. We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That's why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality - to help support you physically, financially and emotionally through the big milestones and in your everyday life. Please visit the compensation and benefits summary on our careers site for more details.
Education
Bachelor's Degree
While possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.
Relevant Work Experience
5-7 Years