Infoblox Engineer – TS/SCI, Polygraph

General Dynamics Information Technology

Infoblox Systems Engineer delivering Enterprise DDI services for Government agencies. Investigating incidents and ensuring service stability in Annapolis Junction, MD and Sterling, VA.

Posted 7/24/2026full-timeAnnapolis Junction • Maryland, Virginia • 🇺🇸 United StatesSeniorLead💰 $157,250 - $212,750 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in DDI platform management, including DNS, DHCP, and IPAM, while ensuring compliance with DoD standards and effective risk management. Proven ability to collaborate with technical teams and implement system improvements in a large enterprise environment.

Highest-signal resume keywords

Active TS/SCI ClearanceCore DDI Config And Admin CertifiedDoD 8570 IAT Level II CertificationExtensive DNS Configuration ExperienceProficient In Python And APIs

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

DNSDHCPIPAMBINDNTPTroubleshootingCapacity ManagementPerformance MetricsSystem ImprovementsRisk Management

Soft Skills

CollaborationCommunicationSelf-DrivenTask Management

Certifications & Qualifications

Core DDI Config And Admin CertificationSecurity+ CESSCPGSECGICSPCySA+

Industry Keywords

DDIInfobloxDoDEnterprise ITData Center OperationsVirtualizationNetworkingIncident ManagementTechnical ArchitectureProfessional Services

Tech Stack

Tools & technologies

DNSPythonTypeScript

About the role

Key responsibilities & impact

Investigating and diagnosing incidents and problems relating to DDI (Infoblox DNS, DHCP, IPAM) and related services
Ensuring the platforms and services are managed and maintained
Helping identify and manage risks within the DDI platform
Working with the Government lead and other service areas’ Architecture, Engineering & Operations leads and technical specialists, as well as professional services staff from vendors to implement the plan to deliver a strategic DDI platform and migrate all in-scope services from existing platforms
Ensuring that system improvements and changes are implemented and monitoring effects of modifications
Defining the capacity and performance standards, metrics and thresholds and helping build the instrumentation to effectively manage the environment

Requirements

What you’ll need

Active TS/SCI clearance with Polygraph
Meet DoD 8570 IAT Level II requirements (e.g. Security+ CE, SSCP, GSEC, GICSP, CySA+, etc.)
Core DDI Config and Admin (CDCA) certified
Bachelor’s degree in an IT-related field, or 12+ years of relevant IT experience in lieu of a degree
Extensive recent experience configuring and managing DNS in a large enterprise.
Strong knowledge of DNS, DHCP, IPAM, BIND, and NTP
Understanding of broader technology domains such as storage, virtualization, networking, and data center operations
Proven ability to troubleshoot complex cross-system issues, document root cause, and develop remediations
Experience with Python and APIs
Self-driven, able to manage multiple tasks with minimal supervision
Strong collaboration skills and ability to work across diverse technical teams
Excellent verbal and written communication skills

Benefits

Comp & perks

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts
dental plan options
a vision plan
a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match
To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available
We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.