Company Overview At ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-talent employees, ValidaTek puts people first, empowering them to exceed expectations and transform government organizations. Our success starts and ends with our people, so we built a company where great people can do great things, with the resources and autonomy to make decisions that transform organizations. We operate as one team of diverse people, united by a passion for continuous growth and optimization. Our commitment to quality and performance optimization is the reason why our IT Service Projects and New Development Projects have been appraised at CMMI Maturity Level 5, positioning us as one of a handful of elite companies to receive the highest form of third-party validation. www.validatek.com Summary * Must have an active DoD Secret or Top Secret Clearance at minimum * We are seeking a skilled Senior Active Directory Engineer to join our team and provide support for the Defense Information Systems Agency (DISA). As a Senior Active Directory Engineer , you will be responsible for the design, implementation, and management of enterprise-level Active Directory (AD) infrastructure within the DISA environment. You will collaborate with a team of professionals to ensure the availability, security, and optimal performance of DISA's Active Directory systems. Your expertise will contribute to the successful operation of critical systems that support the defense and security of our nation. Responsibilities * Design, implement, and manage enterprise-level Active Directory (AD) infrastructure to ensure scalability, security, and optimal performance. * Lead the planning, architecture, and deployment of AD services, including domain controllers, DNS, DHCP, and Group Policy Objects (GPOs). * Develop and enforce AD standards, policies, and procedures to ensure compliance with organizational guidelines and industry best practices. * Monitor and optimize AD performance through proactive tuning, troubleshooting, and capacity planning. * Implement and manage AD security, including access controls, authentication mechanisms, and auditing, to protect sensitive data and comply with regulatory requirements. * Plan and execute AD upgrades, patches, and migrations as necessary, ensuring minimal downtime and disruption to operations. * Collaborate with IT teams and stakeholders to integrate AD services with other systems and applications, ensuring seamless functionality. * Provide technical leadership and mentorship to junior engineers and support staff, fostering team skill development and knowledge sharing. * Stay current with AD technology trends and advancements, evaluating and recommending new tools and methodologies to enhance AD management and security. * Conduct regular AD health checks, audits, and performance assessments to maintain system reliability and availability. Qualifications * Active DoD Secret Clearance at minimum - required. Must be able to obtain a Top Secret clearance. Top Secret clearance - preferred. * Active CompTIA Security + required. * Bachelor's degree in computer science, information technology, or a related field; advanced degree preferred. * 8+ years of experience as an Active Directory Engineer/Administrator in a large-scale enterprise environment. * Expertise in designing, implementing, and managing complex AD infrastructures, including multi-domain and multi-site environments. * In-depth knowledge of AD architecture, including domain services, trusts, replication, and federation services. * Strong proficiency in AD security practices and protocols, including LDAP, Kerberos, NTLM, and integration with identity management solutions. * Experience with AD migration tools and methodologies, including domain migrations and forest consolidations. * Expertise in implementing and maintaining DISA Security Technical Implementation Guides (STIGs) and other security frameworks. * Strong proficiency in virtualization technologies, including VMware, and experience managing Domain Controllers in virtualized environments. * Ability to automate AD tasks and processes using scripting languages (e.g., PowerShell). * Excellent analytical and problem-solving skills with attention to detail. * Effective communication skills with the ability to collaborate with cross-functional teams and stakeholders. * Relevant certifications (e.g., Microsoft Certified: Azure Administrator Associate, MCSE: Core Infrastructure, Identity and Access Management) are a plus. EEO Statement ValidaTek is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, or disability status. Applicants who are selected for employment will be required to verify authorization to work in the United States. Offers of employment will be contingent upon passing a post-offer background check.