> Markdown version of [/jobs/ext/1953363-senior-bluecat-network-dns-engineer-infrastructure](https://www.wearedevelopers.com/jobs/ext/1953363-senior-bluecat-network-dns-engineer-infrastructure). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior BlueCat Network & DNS Engineer (Infrastructure) - **Company:** Intersources Inc. - **Location:** New York, NY, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Microsoft Windows, Cisco Routers, Dynamic Host Configuration Protocol, Linux, Domain Name System Security Extensions, Domain Name System (DNS), Network Architecture, Cisco Nexus Switches, Firewalls (Computer Science), Real Time Data, Fortinet - **Published:** August 6, 2026 - **Apply:** https://www2.jobdiva.com/portal/?a=62jdnw10t7d77ytz0lbaey9qxonk3b05a9tqw96rb7z6hlfo7xj79l9g6mp6aj2o&compid=0/jobs/30719225#/jobs/30719225 ## About the Role * Bachelor's degree in a technical field or equivalent experience. * 10+ years of experience in network engineering. * 3+ years of DNS administration and engineering experience. * 2+ years working with BlueCat DNS products. * Experience in high-paced environments supporting real-time data and trading. * Relevant certifications or training preferred. * Basic Linux and Windows administration knowledge. * Strong communication, time management, and organizational skills. * BlueCat DNS certifications are a plus. Technologies Used: * Operating Systems: Linux, Windows * Hardware: Cisco ACI, Cisco routers/switches, Fortinet firewalls, F5 LTM/GTM, Extrahop monitoring probes ## Description Seeking a Senior Network & DNS Engineer to design, implement, and support network infrastructure with a focus on DNS architecture and administration. Key Skills: * BlueCat Address Manager (IPAM) * BlueCat DNS/DHCP Services * BlueCat Edge DNS, * Design, implement, and support DNS solutions using BlueCat products. * Configure and maintain DNS zones, records, policies, and profiles. * Monitor and optimize DNS performance, availability, and scalability. * Troubleshoot and resolve DNS issues and incidents. * Ensure DNS security and compliance with industry standards. * Document DNS configurations, processes, and procedures. * Manage network capacity and infrastructure integration. * Ensure timely and cost-effective network infrastructure delivery. * Collaborate with operational teams to resolve issues and propose solutions. * Provide production support as needed. * Participate in a 24/7/365 on-call rotation. ## Related Videos - [WeAreDevelopers LIVE - Back to CODE100](https://www.wearedevelopers.com/videos/1909-wearedevelopers-live-back-to-code100) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Companies in the Netherlands: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/193-best-companies-in-the-netherlands-top-25-companies-in-2023) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)