Windows Enterprise Domain Administrator

RBR-Technologies is a small service-disabled veteran-owned information and technology business founded on the basic principle of delivering customer mission success. RBR-technologies prides itself on our commitment to mission success as exemplified by the trust our customers and contract partners place in us. From RBR's first employee to the present day, every team member has a passion for mission success. Since 2011, we have continued to employ the highest caliber of professionals whose success is attributed to the intelligence, dedication, and years of experience within many government organizations including the Intelligence Community (IC), Department of Defense (DoD), and Defense Information Systems Agency (DISA).

We are currently seeking a Windows Enterprise Domain Administrator for a remote role in the MD/DC Metro area. The administrator must live locally in order to attend meetings onsite.

This role is responsible for the design, implementation, management, and security of complex multi-domain Windows environments, with a focus on Active Directory (AD) and Domain Name System (DNS) infrastructure. This position is critical to ensuring the security, reliability, and performance of enterprise IT infrastructure supporting national security missions.

Responsibilities

• Architect, deploy, and maintain multi-domain Windows enterprise environments, ensuring high availability, security, and compliance with organizational and DoD standards.
• Manage and optimize complex Active Directory forests, domains, trusts, and Group Policy Objects (GPOs), including advanced troubleshooting and migration activities.
• Oversee and configure enterprise DNS infrastructure, including integration with AD and external DNS systems, ensuring secure and reliable name resolution across domains.
• Implement and enforce security best practices, including patch management, access controls, and monitoring for compliance with DoD and Intelligence Community requirements.
• Perform regular system audits, vulnerability assessments, and remediation of security threats in accordance with IAT Level 2 and DoD 8570 requirements.
• Provide technical leadership and mentorship to junior administrators and support staff.
• Collaborate with cross-functional teams to support mission-critical applications and services.
• Prepare and present technical documentation, reports, and briefings to senior management and stakeholders.
• Participate in incident response, disaster recovery planning, and execution of business continuity strategies.

Qualifications

• Active Secret clearance
• Possess or be able to obtain at least a DoD 8570 IAT Level 2 certification (e.g., CompTIA Security+, SSCP, CCNA Security, CySA+, GICSP, or GSEC).
• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Minimum of 8 years of hands-on experience managing large-scale, multi-domain Windows enterprise environments with complex AD and DNS requirements.
• Advanced knowledge of Windows Server OS, Active Directory, DNS, DHCP, and Group Policy management.
• Experience with AD integrated DNS zones, trust relationships, and secure dynamic updates.
• Proficiency in scripting and automation (e.g., PowerShell) for system administration tasks.
• Strong understanding of network protocols, security controls, and compliance frameworks relevant to DoD/IC environments.
• Preferred: Prior experience supporting DoD, Intelligence Community, or other federal government environments.

Preferred Qualifications

• Strong analytical and problem-solving skills with the ability to troubleshoot complex system issues.
• Excellent communication skills, both written and verbal, with the ability to brief technical and non-technical audiences.
• Demonstrated ability to work independently and as part of a collaborative team in high-security, mission-driven environments.
• Commitment to continuous learning and professional development in cybersecurity and enterprise IT best practices.
• Top Secret clearance

A career at RBR-Technologies doesn't mean you have to make sacrifices in other areas of your life.

• Best in class health benefits plan
• Generous 401k with matching
• Flexible work policies and schedules (dependent upon contract)
• Generous Paid Time Off + All Federal Holidays
• Special paid leave for: Bereavement, Voting, Military, and more
• Paid Volunteer Hours for Community Outreach
• Paid Parental Leave
• Family-Friendly Company Paid Events
• Annual Pet Insurance Benefit

Equal Employment Opportunity has been, and will continue to be, a fundamental principle at RBR-Technologies, where employment is based on personal capabilities and qualifications without discrimination because of race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any protected characteristic as established by law. This policy of Equal Employment Opportunity applies to all policies and procedures relating to recruitment, employment, promotion, transfer, training, working conditions, compensation, benefits, termination, and all other conditions of employment.