DNS Administrator

SAIC • Beltsville, MD

149d

About The Position

SAIC has an opportunity for a DNS Administrator in Beltsville, MD to support Department of State’s (DoS) Bureau of Diplomatic Technology (DT). This role is highly technical and requires a candidate with a strong foundation in DNS and networking, as well as the ability to troubleshoot and document complex issues effectively. The role is hybrid and requires 3 days onsite and two days remote. It is typically M-F 0830-1700. (Note: Hour's dependent on mission priorities to include potential on-call and may migrate to a shift position TBD)

Requirements

• BS & Minimum of 5 years in IT, with a focus on DNS, IP, and related systems; MS & 3 years; may accept additional experience in lieu of degree.
• Proven ability to debug complex, cross-system DNS and IP-related issues.
• In-depth knowledge of DNS protocols and enterprise-level BIND DNS management.
• Familiarity with DNS server types, resource records, DNSSEC (DNS Security Extensions), and DNS communication within and outside the enterprise.
• Experience in troubleshooting DNS issues and managing DNS servers.
• Strong understanding of IP Address Management (IPAM), Dynamic Host Configuration Protocol (DHCP), and Network Time Protocol (NTP).
• Knowledge of Active Directory and its integration with DNS.
• Understanding of TCP/IP subnetting, including CIDR (Classless Inter-Domain Routing) calculations, differentiating between public and private subnets, and identifying hosts within a subnet.
• Basic knowledge of routing and routing protocols.
• Strong critical thinking and problem-solving skills.
• Ability to document root causes, remediation steps, and detection methods for issues within the specified technologies.

Nice To Haves

• Advanced knowledge of TCP/IP subnetting and routing protocols.
• Experience with DNSSEC implementation and management.

Responsibilities

• Design, configure, and manage DNS systems in a large enterprise environment.
• Ensure DNS architecture is secure, efficient, and scalable.
• Troubleshoot DNS issues at both intra-network and inter-network levels.
• Manage and optimize IPAM, DHCP, and NTP systems.
• Support and maintain Active Directory integration with DNS.
• Create detailed documentation of root causes for issues, including remediation and detection strategies.
• Maintain clear records of DNS configurations and changes.

What This Job Offers

• Education Level: Bachelor's degree
• Number of Employees: 11-50 employees