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SAIC · 17 hours ago

DNS Administrator

Beltsville, MD

Full-time

Hybrid

Senior Level, Lead/Staff

$120K/yr - $160K/yr

9+ years exp

SAIC is seeking a DNS Administrator to support the Department of State’s Bureau of Diplomatic Technology. This role involves managing and optimizing DNS systems, troubleshooting issues, and ensuring secure and efficient operations in a large enterprise environment.

Information TechnologySecurityService IndustrySoftware

Work & Life Balance

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

DNS Configuration and Management

+ Design, configure, and manage DNS systems in a large enterprise environment

+ Ensure DNS architecture is secure, efficient, and scalable to meet enterprise needs

+ Troubleshoot DNS issues at both intra-network and inter-network levels, ensuring minimal downtime and optimal performance

Network Protocols and Systems

+ Manage and optimize IP Address Management (IPAM), Dynamic Host Configuration Protocol (DHCP), and Network Time Protocol (NTP) systems

+ Support and maintain Active Directory integration with DNS to ensure seamless operations

Documentation and Reporting

+ Create detailed documentation of root causes for issues, including remediation and detection strategies

+ Maintain clear and accurate records of DNS configurations, changes, and system updates

+ Provide regular reports on DNS performance, security, and scalability to stakeholders

Collaboration and Support

+ Work closely with technical subject matter experts (SMEs) to design and implement DNS solutions

+ Collaborate with network engineering and operations teams to ensure DNS systems align with enterprise architecture standards

+ Participate in technical working groups and contribute to advisory boards to support enterprise-wide initiatives

Qualification

DNS managementIP Address Management (IPAM)Dynamic Host Configuration Protocol (DHCP)DNS protocolsActive Directory integrationDNSSECTCP/IP subnettingProblem-solving skillsDocumentation skillsCollaboration skills

Required

BS in a computer science, IT, or related field and 9+ years experience 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 a large enterprise environment

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

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

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

US Citizenship