DNS Engineer

Essenz Consulting; Philadelphia (Philadelphia County); Remote; USD 100,000 - 140,000; Full time

Job summary

Essenz Consulting's NSResolver.com Enterprise DNS Product seeks a skilled DNS Engineer for a full-time remote role (EST hours). You will design, configure, and maintain enterprise DNS infrastructure, ensuring high availability, security, and performance.

Daily tasks include zone management, troubleshooting, root-cause analysis, and implementing changes per defined processes. DNSSEC rollout and Terraform provider work are part of the project.

Qualifications

• DNS fundamentals: zone management, records, resolution, DNS security practices.
• Hands-on experience with ISC BIND and zone configuration.
• Scripting or automation with Bash and Perl or similar.
• Experience with DNSSEC deployment and validation.
• Anycast routing, especially in AWS environments.
• Coding workflows including GitHub and related tooling.

Responsibilities

• Design, configure, and maintain enterprise DNS infrastructure for uptime and security.
• Manage DNS zones/records and perform troubleshooting with root-cause analysis.
• Implement changes following established processes and runbooks.
• Support DNSSEC rollout and Terraform provider integration.
• Collaborate with teams to ensure performance and security standards.

Skills

DNS fundamentals

ISC BIND

Scripting (Bash/Perl)

DNSSEC

Anycast AWS

GitHub workflows

Job description

Essenz Consulting is a full-service technology firm specializing in IT management, web and email hosting, enterprise DNS, software development, and security consulting. We have two branded sister-companies that focus on our hosting services, this role is for our NSResolver.com Enterprise DNS Product.

Role Description

The DNS Engineer role at NSResolver.com is a full-time, remote position (EST working hours). This role is responsible for designing, configuring, and maintaining enterprise DNS infrastructure, ensuring high availability, security, and optimal performance. Daily activities include managing DNS zones and records, troubleshooting DNS-related issues, performing root-cause analysis, and implementing changes following established processes. Current project deck is rollout of DNSSEC and our terraform provider.

Qualifications

• Strong understanding of DNS fundamentals, including zone management, record types, name resolution, and DNS security practices.
• Hands-on experience with ISC BIND
• Ability to script or automate tasks using languages or tools such as Bash and Perl
• Experience with DNSSEC
• Experience with Anycast, especially within AWS
• Coding experience and workflow, github, claude code, and related