DNS Administrator Security Clearance

Position: 4238 DNS Administrator with Security Clearance
GENERAL DUTIES:
* Administer, configure, and maintain enterprise DNS environments, including Blue Cat DNS and F5 GTM solutions.
* Manage DNS zones, records, and policies to ensure high availability and resiliency.
* Implement DNS security best practices, including DNSSEC, monitoring, and threat mitigation.
* Collaborate with network and security teams to design and support scalable DNS and traffic management solutions.
* Support integration of DNS with DHCP and IPAM services.
* Perform regular system maintenance and updates across DNS servers and related infrastructure.
* Monitor system performance, troubleshoot issues, and provide root cause analysis for DNS and network traffic disruptions.
* Automate administrative tasks using scripting (Bash, Python, or similar).
* Provide after-hours support as part of a designated on-call rotation.

REQUIRED QUALIFICATIONS:

* Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent work experience.
* 5+ years of experience administering enterprise DNS platforms, preferably Blue Cat DNS.
* Hands-on expertise with F5 Global Traffic Manager (GTM) for DNS-based load balancing.
* Strong Linux system administration skills (Red Hat, CentOS, Ubuntu, or similar).
* Proficiency in shell scripting and/or automation tools (Ansible, Python).
* Understanding of TCP/IP, BGP, firewalls, and general networking concepts.
* Knowledge of DNSSEC, DNS forwarding, split-brain DNS, and related technologies.
* Strong troubleshooting and problem-solving skills in high-availability environments. CLEARANCE:
* TS/SCI required