We are seeking a highly skilled and experienced Senior DNS Administrator with overall 10+ years and 7 years of hands-on experience in managing DNS on both Windows and Linux servers. The ideal candidate will have a deep understanding of DNS protocols, server configurations, and network management. They will be responsible for maintaining, troubleshooting, and optimizing our DNS infrastructure to ensure high availability and performance.
Key Responsibilities
Configure, maintain, and troubleshoot DNS servers on Windows and Linux platforms.
Manage Windows and Linux servers, ensuring they are secure, up-to-date, and running optimally.
Implement and manage DNS zones, records, and related network configurations.
Monitor and implement DNS security measures to protect against DNS attacks and vulnerabilities.
Regularly analyze DNS performance and implement improvements for enhanced efficiency and speed.
Identify and resolve DNS-related issues promptly, ensuring minimal downtime and disruption.
Maintain accurate documentation of DNS configurations, changes, and procedures.
Work closely with network engineers, system administrators, and other IT staff to ensure seamless integration and operation of DNS within the broader network infrastructure.
Provide technical support and expertise to resolve DNS-related queries and issues.
Required Qualifications
Minimum of 7+ years of experience in DNS administration on both Windows and Linux servers.
Proficient in configuring and managing DNS on Windows Server (all recent versions) and extensive experience with DNS on Linux (e.g., BIND, DNSMasq, Unbound).
Strong understanding of DNS protocols (DNS, DNSSEC, etc.), DHCP and its integration with DNS.
Solid understanding of networking concepts, including TCP/IP, subnets, firewalls, and VPNs.
Experience with DNS security practices and tools to mitigate DNS threats.
Proficiency in scripting languages (e.g., PowerShell, Bash) for automation and task management.
Strong analytical and problem-solving skills with a proactive approach to identifying and resolving issues.
Excellent verbal and written communication skills, with the ability to convey technical information to non-technical stakeholders.
Ability to work effectively within a team environment and collaborate with other IT professionals.
Preferred Qualifications
Relevant certifications such as Microsoft Certified: Windows Server, Red Hat Certified Engineer (RHCE), or similar.
Familiarity with DNS management in cloud environments (e.g., AWS Route 53, Azure DNS).
Experience with advanced networking tools and technologies (e.g., load balancers, proxies, etc.).
Experience with project management and the ability to lead DNS-related projects from start to finish.
Seniority level
Mid-Senior level
Employment type
Contract
Job function
Information Technology
Industries
IT Services and IT Consulting
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