Senior Consultant - VMware Cloud Foundation (VCF) Design and Deploy Calibre SystemsSenior Consultant - VMware Cloud Foundation (VCF) Design and DeployAlexandria, VAYou will work directly with customer stakeholders across high-visibility DoD, federal, or regulated environments to implement scalable, secure, and high-performing platforms. CALIBRE Systems inc., an employee owned mission focused solutions and digital transformation company, is looking to fill multiple slots in the Washington, DC area.
Infrastructure Engineer JobotInfrastructure EngineerVirginia Beach, VA$80,000–$90,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We're looking for a highly experienced Senior IT Generalist / Infrastructure Engineer who enjoys solving difficult technical challenges, mentoring others, and serving as the highest level of technical escalation for our clients.
Architect - VCF Design & Architecture Lead Calibre SystemsArchitect - VCF Design & Architecture LeadAlexandria, VACALIBRE Systems, inc., an employee owned mission focused solutions and digital transformation company, is looking to fill multiple opportunities within the Washington, DC metro area. This role leads end-to-end architecture from discovery through design and governance while acting as a trusted advisor in complex, mission-critical environments.
Lead Systems Engineer LeidosLead Systems EngineerBurke, VA$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 22, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
IT Generalist JobotIT GeneralistVirginia Beach, VA$40–$42 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role is ideal for a highly capable professional who thrives in a fast-paced environment, enjoys solving complex technical challenges, and can operate independently while delivering exceptional customer service.
Cloud Engineer LeidosCloud EngineerArlington, VA$87,100–$157,450If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 25, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Senior IT Generalist, Infrastructure & Systems Engineering (MSP) JobotSenior IT Generalist, Infrastructure & Systems Engineering (MSP)Virginia Beach, VA$40–$43 / hourOur team supports a wide variety of modern infrastructure environments, giving engineers exposure to diverse technologies, challenging projects, and opportunities to make a direct impact on client success and technical innovation. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Senior IT Infrastructure Engineer / IT Generalist JobotSenior IT Infrastructure Engineer / IT GeneralistVirginia Beach, VA$75,000–$90,000 / yearThis organization maintains full compliance with all applicable Virginia Department of Criminal Justice Services (DCJS) regulations and licensing requirements and holds a Virginia Class A Contractor license through the Department of Professional and Occupational Regulation (DPOR), reflecting the highest level of contractor classification. Our client is an established technology services provider with more than 20 years of experience delivering end-to-end IT infrastructure, networking, cloud, cybersecurity, and physical security solutions to both commercial and government organizations.
Senior Virtualization (VMWare) Administrator SMS DATA PRODUCTS GROUP, INCSenior Virtualization (VMWare) AdministratorFort Belvoir, VAWith the goal of building long-term partnerships with our customers, we invest in our employees by providing the training, tools, and support they need to keep critical missions operational, improve performance, and reduce risk. SMS is seeking an experienced and motivated Senior Virtualization (VMWare) Administrator to support the Defense Threat Reduction Agency (DTRA) on the Integrated Information Technology Support Services (I3TS) contract.
VMWare Systems Administrator – Top Secret/SCI | Quantico, VA Cambridge International Systems IncVMWare Systems Administrator – Top Secret/SCI | Quantico, VAQuantico, VAFull timeRequired Qualifications: Education & Experience: Bachelors ‘s degree in Information Technology, Computer Science, Systems Engineering, or related field with 5+ years of relevant experience required; 7 + years may be substituted in lieu of a degree. Design & Implementation Design and deploy virtual infrastructure solutions—including clusters, shared storage, networking, and lifecycle management—following best practices for performance and security.
VMWare Systems Administrator - Top Secret/SCI | Quantico, VA Cambridge International Systems, Inc.VMWare Systems Administrator - Top Secret/SCI | Quantico, VAVA$77,000–$167,000 / yearRequired Qualifications: Education & Experience: Bachelors 's degree in Information Technology, Computer Science, Systems Engineering, or related field with 5+ years of relevant experience required; 7 + years may be substituted in lieu of a degree. Design and deploy virtual infrastructure solutions-including clusters, shared storage, networking, and lifecycle management-following best practices for performance and security.
Virtualization Administrator VMWare CbVirtualization Administrator VMWareFt Belvoir, VirginiaThe successful candidate will play a key role in enhancing IT efficiency, security, and mission effectiveness by designing, implementing, and maintaining a resilient and secure network infrastructure and be responsible for installation, configuration, administration, support and maintenance of systems, including associated hardware. SarelaTech is seeking an experienced and motivated Senior Virtualization (VMWare) Administrator to support the Defense Threat Reduction Agency (DTRA) on the Integrated Information Technology Support Services (I3TS) contract.
Virtualization Administrator VMWare Career ListingsVirtualization Administrator VMWareFt Belvoir, VAThe successful candidate will play a key role in enhancing IT efficiency, security, and mission effectiveness by designing, implementing, and maintaining a resilient and secure network infrastructure and be responsible for installation, configuration, administration, support and maintenance of systems, including associated hardware. SarelaTech is seeking an experienced and motivated Senior Virtualization (VMWare) Administrator to support the Defense Threat Reduction Agency (DTRA) on the Integrated Information Technology Support Services (I3TS) contract.
VMware Engineer Science Applications International CorpVMware EngineerSpringfield, VAThe DT program enables the Department of State to successfully carry out its foreign policy mission by providing enterprise architecture design, engineering, operations and maintenance support services for data center services, desktop computers, servers, networks, firewalls, voice and data communications and other unique enterprise applications. By providing the information below and checking the boxes referenced, you acknowledge and consent to SAIC''s Privacy Policy to include access and use of your information for the purposes of sharing your information for possible employment recruitment effects by SAIC and it''s third party vendors.
Senior VMWare Virtualization Architect/Engineer TekSynap CorpSenior VMWare Virtualization Architect/EngineerReston, VAn VMware Certified Professional \u2013 Data Center Virtualization (VCP-DCV) \n Citrix Certified Associate / Professional (CCA-V / CCP-V) \n Microsoft Certified: Windows Server Hybrid Administrator \n Azure Administrator \n Windows Server Certification \n RHCSA / LPIC-1 \n \nOverview\n \nWe are seeking a Senior VMWare Virtualization Architect/Engineer to drive the architecture, design, security, deployment, and lifecycle optimization of enterprise scale virtualization services supporting Defense Intelligence Agency's mission critical operations under Solutions for the Information Technology Enterprise III (SITE III). \n Must meet the IAT Level III baseline cert plus any environment-specific or computing environment (CE) certifications required (CISSP, CCNP/CCIE, JNCIP, etc): \n CISSP or CASP+ \n VMware VCP-DCV (or equivalent virtualization cert) \n Windows Server certification \n AWS Solutions Architect Associate/Professional certification\n \n\n \nDESIRED QUALIFICATIONS\n\n VCAPDCV or VCIX/Design certificaton is strongly preferred.
Senior Consultant - VMware Cloud Foundation (VCF) Design and Deploy CALIBRESenior Consultant - VMware Cloud Foundation (VCF) Design and DeployAlexandria, VA$165,000–$190,000Full timeYou will work directly with customer stakeholders across high-visibility DoD, federal, or regulated environments to implement scalable, secure, and high-performing platforms. CALIBRE Systems inc., an employee owned mission focused solutions and digital transformation company, is looking to fill multiple slots in the Washington, DC area.
VMware/Broadcom Subject Matter Expert Computer World ServicesVMware/Broadcom Subject Matter ExpertLangley AFB, VirginiaDesigns, monitors, maintains, and heads the engineering process of an organization’s versatile and secure information storage environment and backup solutions, such as high-capacity databases, networks, and systems. Executes new installs, updates, and deployments, utilizing knowledge of computer hardware, operating systems, computer applications, technical support processes, and business needs.
VMware Subject Matter Expert Computer World ServicesVMware Subject Matter ExpertLangley AFB, VirginiaDesigns, monitors, maintains, and heads the engineering process of an organization’s versatile and secure information storage environment and backup solutions, such as high-capacity databases, networks, and systems. Executes new installs, updates, and deployments, utilizing knowledge of computer hardware, operating systems, computer applications, technical support processes, and business needs.
Senior Windows Administrator Ops Tech AllianceSenior Windows AdministratorRadford, VAOps Tech Alliance (OTA) was founded by former National Security and Special Operations professionals with over 100 years of combined experience and was formed with a singular focus: to bridge the gap between operations and technology to enable mission success. Ops Tech Alliance (OTA) is seeking a Senior Windows Administrator to support PL ALTESS at Radford Army Ammunition Plant, VA, under Task Area 1 – Operations.
Sr Windows System Administrator Tyto Athene, LLCSr Windows System AdministratorChantilly, Virginia$180,000–$190,000 / yearFull timeOur expertise spans four core technology domains—Network Modernization, Hybrid Cloud, Cybersecurity, and Enterprise IT—empowering our clients with cutting-edge solutions tailored to their evolving needs. Strong understanding and hands-on experience with: Active Directory, Group Policy, DNS, Patching and update management, File Server administration, Exchange Server / Enterprise Email Systems.
Windows Systems Administrator - McLean, VA - TS/SCI PGTEKWindows Systems Administrator - McLean, VA - TS/SCIMcLean, VA$185,000–$265,000We are seeking a highly skilled Senior System Administrator to join a dynamic infrastructure team supporting next-generation technologies, including initiatives in the Artificial Intelligence (AI) space. PGTEK is a true consulting organization dedicated to helping clients achieve their business and technology objectives utilizing our decades of experience and business relationships.
Windows System Administrator V2X IncWindows System AdministratorChantilly, VAThis commitment, aligned with our core Vision and Values of Integrity, Respect, and Responsibility, allows us to leverage differences, encourage innovation, and expand our success in the global marketplace, ultimately enabling us to best serve our clients. We ensure all individuals are treated with fairness, respect, and dignity, recognizing the strength that comes from a workforce rich in diverse experiences, perspectives, and skills.
Windows Systems Administrator Quadrant IncWindows Systems AdministratorArlington, VA10 years of relevant IT systems engineering or systems administration experience supporting enterprise Windows environments. Support incident, change, and configuration management processes in accordance with lifecycle support requirements.
Windows Systems Administrator Leidos Holdings IncWindows Systems AdministratorChantilly, VA$92,300–$166,850 / yearConfigure and administer Windows Server Operating Systems including Group Policy Objects, Active Directory Users and Computers, DNS, Active Directory Sites and Services, WSUS, SQL, and IIS. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
NewClassified Windows System Administrator The Aerospace CorpClassified Windows System AdministratorChantilly, VA$75,300–$113,000 / yearIn addition to the above, the minimum requirements for the Systems Administration Staff III include: Minimum (4) years in enterprise Windows administration including provisioning, configuration, troubleshooting, performance tuning, and security hardening for classified and unclassified enterprise environments is required. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers.
Windows Systems Administrator LeidosWindows Systems AdministratorArlington, VirginiaThis program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. July 17, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
IT Systems Administrator Chenega Services & Federal SolutionsIT Systems AdministratorNorfolk, VirginiaFull timeAssist with planning and administering changes to the SolarWinds IT infrastructure management platform including adding/removing infrastructure into the monitoring tool, SolarWinds updates, upgrades, patching and module implementation. Must have the proper and current cybersecurity qualifications to perform IT privileged administrative functions in accordance with the DoD Cyberspace Workforce Framework (DCWF) and the DoDM 8140.03,
NewIT Systems Administrator Chenega CorporationIT Systems AdministratorNorfolk, VAAssist with planning and administering changes to the SolarWinds IT infrastructure management platform including adding/removing infrastructure into the monitoring tool, SolarWinds updates, upgrades, patching and module implementation. Must have the proper and current cybersecurity qualifications to perform IT privileged administrative functions in accordance with the DoD Cyberspace Workforce Framework (DCWF) and the DoDM 8140.03,
Windows Systems Administrator ManTechWindows Systems AdministratorChantilly, VAMust be able to use hands to operate a computer and other office productivity machinery such as a calculator, copy machine, and computer printer. MANTECH seeks a skilled and motivated Windows Systems Administrator to join our team of top Information Technology and Analytic professionals in Chantilly, VA.
Systems Administrator TekSynap CorpSystems AdministratorReston, VAActive TS/SCI + CI Poly clearance HS, 9-11 years of relevant experience; BS, 3-5 years; MS, 0-3 One of the Following DoD 8570/CS-NET-451 certifications is required: Security+ CE SSCP CySA+ GSEC DESIRED QUALIFICATIONS. "Technology moving at the speed of thought" embodies these principles - the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.
NewSystem Administrator The AES GroupSystem AdministratorFort Belvoir, VAWe are seeking an experienced System Administrator to provide technical leadership and support enterprise IT infrastructure while leading a team of approximately 15 technical professionals, including desktop support specialists and database administrators. The AES Group is a premier technology and engineering consulting company that has been bringing businesses and talent together for over 20 years to deliver innovative solutions that make a positive impact.
System Administrator 3 - 2 Openings (802021) HCL Global Systems Inc.System Administrator 3 - 2 Openings (802021)Richmond, VAThe Systems Administrator is a hands-on technical role focused on disciplined execution of operational processes, including patching, monitoring, backup, and system maintenance. The position works under the direction of the Director of Infrastructure & Operations and collaborates with Network Engineering, Information Security, End User Services, and Application/Data teams.
Systems Administrator Point Solutions GroupSystems AdministratorSpringfield, VAFull timeSystems Administrator performing system security administration functions; managing customer accounts via Active Directory; troubleshooting and diagnosing and correction of problems; plans, tests, installs, and integrate new and upgraded versions of the relevant operating systems, third party software components, and subsystems; monitors and manages system resources to optimize operating efficiency and performance; custom software installation and maintenance. Your responsibilities will include the following: • Plans, tests, installs, and integrate new and upgraded versions of the relevant operating systems, third-party software components, and subsystems.
Active Directory Administrator IV CommIT Enterprises, IncActive Directory Administrator IVQuantico, VirginiaFull timeThe services that the AD Support team supports in Active Directory include accounts and group management; security configuration of the AD infrastructure; Domain Name Service (DNS); Dynamic Host Configuration Protocol; Distributed File Replication Services; Group Policy Objects; and other directory services technologies as applicable. We offer acquisition management, systems engineering, Agile software development, cloud management, IT modernization, data analytics, cybersecurity, and training, including leading-edge DevSecOps, automated testing, and mobile application development.
System Administrator GCubed,IncSystem AdministratorFort Belvoir, VAAdminister CAA's Hewlett Packard (HP) physical/virtual server farm that includes but not limited to storage area networks (SAN), application servers and Netbackup system servers ensuring all systems are available during core work hours. Install and update anti-virus software and anti-virus signature files on all CAA assets when released by Defense Information Security Agency (DISA) information assurance vulnerability alert (IAVA) or the ARMY once notified by the COR or CTO.
NewClassified Systems Administrator and ISSO CACIClassified Systems Administrator and ISSOHerndon, VirginiaPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Serve as the onsite Data Transfer Agent (DTA), performing, documenting, and auditing authorized classified data transfers while maintaining removable media accountability.
NewSME Systems Administrator Revolutional, LLCSME Systems AdministratorLorton, VA$100,000–$135,000 / yearThe Systems Administrator will manage and troubleshoot enterprise networks, servers, virtual environments, and security configurations while collaborating on the design and maintenance of the Continuity of Operations (COOP) site in Scottsdale, AZ. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.
Systems Administrator, Lead (Linux/Windows) AMERICAN SYSTEMSSystems Administrator, Lead (Linux/Windows)Arlington, VirginiaFull timeOverview: AMERICAN SYSTEMS , a 100% employee-owned federal contracting company, is seeking a Lead Systems Administrator with strong Linux CLI and Windows administration experience to support a Special Access Program in Arlington, VA. This role focuses on owning and optimizing enterprise Linux & Windows infrastructure across multiple datacenters, partnering with cybersecurity and engineering teams, and providing Tier III support for systems that cannot fail.
Systems Administrator Charles ITSystems AdministratorChesapeake, VAIn addition, we offer free dry cleaning, a fully stocked break room, Friday team lunches, paid training, team-building outings every quarter, professional development and so much more! Configure, install, and support various network devices and services, including WAN and LAN connectivity, routers, firewalls, & security.
Senior System Administrator(Over all 10-13 years of experience) PeopleNTech LLCSenior System Administrator(Over all 10-13 years of experience)Alexandria, VARemote$77–$81 / hourCommon Azure components include Virtual Machines, managed disks, storage accounts/Azure Files, virtual networks (VNets/subnets), NSGs, load balancers, VPN/ExpressRoute connectivity, Azure Backup, Azure Site Recovery, and Azure Monitor/Log Analytics. This role focuses on reliable day-to-day operations (provisioning, patching, monitoring, backup/restore, security remediation, and incident response) and will also contribute to smaller initiatives and lifecycle improvements in partnership with other infrastructure and security teams.
Senior System Administrator PeopleNTech LLCSenior System AdministratorAlexandria, VARemote$77–$81 / hourCommon Azure components include Virtual Machines, managed disks, storage accounts/Azure Files, virtual networks (VNets/subnets), NSGs, load balancers, VPN/ExpressRoute connectivity, Azure Backup, Azure Site Recovery, and Azure Monitor/Log Analytics. This role focuses on reliable day-to-day operations (provisioning, patching, monitoring, backup/restore, security remediation, and incident response) and will also contribute to smaller initiatives and lifecycle improvements in partnership with other infrastructure and security teams.
SYSTEMS ADMINISTRATOR 4 Huntington Ingalls Industries IncSYSTEMS ADMINISTRATOR 4Newport News, VAReq ID: 45583 Team: T54 TECHNOLOGY SVCS Entity: Newport News Shipbuilding US Citizenship Required for this Position: Yes Full-Time Shift: 1st Relocation: No relocation assistance available Virtual/Telework Opportunity: Yes - Occasional or hybrid telework available Travel Requirement: Yes, 10%-25% of the time Clearance Required: No - Clearance Not Required to Start. Meet HII's Newport News Shipbuilding With more than 25,000 employees - including third-, fourth- and even fifth-generation shipbuilders - HII's Newport News Shipbuilding (NNS) division is the largest industrial employer in Virginia.
VTC Administrator - Mid ValidaTekVTC Administrator - MidQuantico, VirginiaWe bring together people with many different perspectives, experiences, and talents to drive innovation and achieve more together than we can individually.â¯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. This role ensures reliable conferencing services through proactive monitoring, troubleshooting, scheduling, and technical support of VTC infrastructure, conference room technologies, and collaboration platforms.
Systems Administrator (TS/SCI Clearance Required with agreement to obtain CI Poly) North Point TechnologySystems Administrator (TS/SCI Clearance Required with agreement to obtain CI Poly)Chantilly, VADuties include administering Linux and Windows-based systems; diagnosing and resolving hardware, software, and end-user issues while managing support tickets through resolution; architecting and managing server, storage, and virtualization infrastructure (VMware, KVM); performing OS installation, configuration, hardening, and patching in compliance with DoD STIGs; and monitoring and tuning system performance through root cause analysis. The role also maintains automation scripts and infrastructure as code (Ansible, PowerShell, Bash), supports backup, recovery, and disaster recovery planning, maintains system documentation and configuration baselines, and collaborates with cybersecurity, network engineering, and software development teams.
Junior Systems Administrator ValidaTekJunior Systems AdministratorQuantico, VirginiaWe bring together people with many different perspectives, experiences, and talents to drive innovation and achieve more together than we can individually.â¯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. The Junior Systems Administrator provides day-to-day support, maintenance, and monitoring of organizational IT systems and infrastructure under the guidance of senior technical staff.
Network & Infrastructure Administrator IDEMIA France SASNetwork & Infrastructure AdministratorChantilly, VAThis position provides hands-on support for enterprise networking, Windows servers, virtualization, backup, telecommunications, and production infrastructure while ensuring high availability, security, and operational excellence. In applying our unique expertise in biometrics and cryptography, we enable our clients to unlock simpler and safer ways to pay, connect, access, identify, travel and protect public places - at scale and in total security.
MSP System Administrator Solvere One/HouseCallMSP System AdministratorSterling, VAFull timeSolvere One has established a top-level Managed Service Provider (MSP) brand that focuses on network security and proactive management solutions as a chosen IT services and consulting provider. Identifies, diagnoses, and resolves complex problems for users of personal computer software and hardware, local network, the Internet, and new computer technologies; communicates solutions to end-users.
Systems Administrator Empower AI Inc.Systems AdministratorArlington, VirginiaFull timeThe candidate applies expert-level expertise in VMware virtualization, VDI, Microsoft Windows Server, RHEL, SQL, SAN, and DoD STIG compliance to independently configure, maintain, and ensure the integrity of all OMC IT systems supporting approximately 400 NIPR/SIPR/JWICS users and 150 SAP users. Independently provides O&M support for NIPRNET, SIPRNET, and JWICS system infrastructure supporting approximately 400 OMC users and SAP infrastructure supporting approximately 150 users; applies highly specialized systems administration knowledge to maintain system integrity and performance.
NewLinux System Administrator Amatriot Group, LLCLinux System AdministratorVienna, VAThe Riverside Research Information Technology team is seeking a highly skilled and experienced Linux System Administrator to support teams that deploy software products to Department of Defense and Intelligence Community networks. This role requires strong troubleshooting skills, experience with automation, and the ability to work effectively in a fast-paced environment supporting critical business systems.
System Administrator - Senior DecisionPoint | CortekSystem Administrator - SeniorNewport News, VirginiaFull timeOverview: DecisionPoint seeks a Senior System Administrator to provide senior-level systems administration, operations, maintenance, and technical support for Global Information Technology Support Services supporting the Military Surface Deployment and Distribution Command (SDDC) Deputy Chief of Staff for Information Management (G6). Administer Active Directory and core enterprise services, including user and computer accounts, security groups, permissions, Group Policy, DNS, DHCP, SMTP, file shares, certificate services, DoD PKI, and email/account request processes.