May 21, 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. If 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.
Connect with us on LinkedIn and Facebook.. Design, deploy, upgrade, and administer Active Directory Domain Services, including domain controllers, forests, domains, trusts, and replication topologies (i.e. Manage and optimize Group Policy Objects (GPOs), OU structures, and security baselines; including object management through bulk operations and automation, Troubleshoot and resolve complex AD-related issues, including authentication failures, replication problems, DNS issues, and Kerberos/NTLM problems, Plan and execute Active Directory migrations, consolidations, and upgrades (of both underlying server infrastructure and overall forest/domain functional levels), Develop and maintain disaster recovery, backup, and restore procedures for AD environments (including AD Recycle Bin and authoritative restores), Monitor AD health and performance using tools such as Microsoft System Center, Azure Monitor, or third-party solutions).
Poolesville, MD2 days ago
April 24, 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. If 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. If 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 16, 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.
Experience evaluating enterprise network architectures and developing improvement plans across LAN, WAN, WLAN, routing, switching, firewalls, VPN, proxies, security stacks, software-defined networking, and cloud-connected environments.
June 16, 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.
Experience evaluating enterprise network architectures and developing improvement plans across LAN, WAN, WLAN, routing, switching, firewalls, VPN, proxies, security stacks, software-defined networking, and cloud-connected environments.
APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. Learn more about our career opportunities at http://www.jhuapl.edu/careers.
Springfield, VA30+ days ago
5+ years of hands-on systems administration of Microsoft SQL Server (2016 - 2022) and enterprise server applications, specializing in Windows Server Failover Clustering (WSFC), Always On Availability Groups, SQL Server Management Studio (SSMS). 3+ years of experience managing SQL Server integrated within a Microsoft AD domain and forest, including service account security (gMSAs), Kerberos constrained delegation (SPNs), and DNS/DHCP configurations for multi-subnet clusters.
Laurel, Maryland30+ days ago
Learn more about our career opportunities at https://www.jhuapl.edu/careers. Do you want to be empowered to take ownership of enterprise active directory domain infrastructure and have a direct impact on the reliability, performance, and security of critically important systems?.
We’re hiring a Windows Administrator to support and secure a Windows-based infrastructure that underpins enterprise Identity & Access Management (ICAM) services—authentication, authorization, and access. Perform patching, system hardening, vulnerability remediation, and lifecycle management - Administer Active Directory, Group Policy, and Windows authentication services .
The Navy Integrated Training Environment (NITE) System Administrator is responsible for administration, maintenance, and cybersecurity defense of all Navy Enterprise Tactical Training Network (NETTN) client and server infrastructure used to support enterprise-wide modeling and simulation applications and services for the NITE. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class.
Chantilly, Virginia14 days ago
Our 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. Description: Ready Support Services LLC, a Tyto Athene company, is searching for an experienced and skilled Senior Windows System Administrator to join our IT team.
p>This role requires a professional who is equally comfortable managing Windows-based infrastructure, supporting Linux systems, and implementing modern DevOps practices to improve system reliability, scalability, and operational efficiency. Credence is seeking a highly skilled Windows Systems Administrator with Linux and DevOps experience to support the Enterprise Sourcing, Medical and Contingency (ESMC) Portfolio Hosting Support Contract.
Suitland, Maryland30+ days ago
p>Pay 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.
Expert Knowledge:
In-depth understanding of core Microsoft products including Domain Controller (DC), Active Directory (AD), Domain Name Server (DNS), Windows Server Update Services (WSUS), Exchange, and System Center Configuration Manager (SCCM).
p>Pay 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.
Expert Knowledge:
In-depth understanding of core Microsoft products including Domain Controller (DC), Active Directory (AD), Domain Name Server (DNS), Windows Server Update Services (WSUS), Exchange, and System Center Configuration Manager (SCCM).
p>Since 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software, hardware, communications and security, and leveraging decades of operational experience to deliver exceptional value to communities and the critical missions they support. Provide technical configuration, setup, installation services, hardware and coordination for application projects and install security updates and patches.
Chantilly, VA30+ days ago
li>Configure 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.
This 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.
Annapolis Junction, Maryland16 days ago
Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events at. 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.
Several factors influence the final salary or hourly rate, including but not limited to contract wage determinations, relevant work experience, role-specific skills and competencies, geographic location, educational background, certifications, and federal government contract labor categories. We are certified in ISO 9001:2015, ISO 20000-1:2018, and ISO 27001:2022; CMMC Level 2 certified; and appraised at CMMI Maturity Level 3 for Services and Development.
li>Active Directory Migrations: Lead and execute complex, secure Active Directory migrations across different enclaves, domains, or agency networks, ensuring zero downtime for critical mission operations.
Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Washington, DC30+ days ago
a href="https://cdn.phenompeople.com/CareerConnectResources/prod/PABRGLOBAL/images/IER_RighttoWorkPosterEnglish-1633725263381.png" rel="nofollow">E-Verify Right to Work Poster. Demonstrated experience and abilities to an Administer, configure, and maintain enterprise Windows Server environments to ensure high availability, reliability, and performance .
10 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.
Chantilly, VA30+ days ago
MANTECH seeks a skilled and motivated Windows Systems Administrator to join our team of top Information Technology and Analytic professionals in Chantilly, VA. Requisition R66437 Locations USA-VA-Chantilly Posting Date 03032026 Security Clearance Required TSSCI w Poly Remote Type Onsite Time Type Full time.
p>We 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.
Configure and manage UNIX and Windows operating systems and install loads operating system software, troubleshoots, maintain integrity, and configure network components along with implementing operating systems enhancements to improve reliability and performance. Javelin Compensation Details: $160,000 - $175,000 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued.
Washington, DC21 days ago
In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.
Rockville, Maryland30+ days ago
ul>Senior Windows 2022 / 2019/2016 administrator responsible for server administrations, installation and maintenance services for 100 physical and virtual servers in a Microsoft Active Directory environment. The salary range displayed is an estimate only and is not a guarantee of compensation or salary and will be determined on several factors regarding the individual’s particular combination of education, knowledge, skills, competencies and experience, as well as contract parameters and organizational requirements.
College Park, Maryland5 days ago
Apply directly through our website: Sev1Tech Careers and use the hashtag #joinSev1Tech to connect with us on social media! Must have 1-3 years experience with Windows Systems Administration:- Create and manage user accounts and permissions, including adding or removing users and setting up group policies.
Chantilly, VA30+ days ago
Must 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.
McLean, Virginia29 days ago
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. Established in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services , and Cloud-certified practitioners.
There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
p>Preferred Qualifications: - The ideal candidate will have a Bachelor's degree in Information Technology, a Security+ CE, MCSE (or similar Microsoft cert), and 6 years of Windows Server, VMWare, Active Directory, Microsoft Exchange, and Group Policy administration experience within classified environments.
- Candidates must meet the U.S. Government 8140 baseline certification requirements (8570 equivalent) for a Principal Computer Systems Analyst - IAT Level II (examples: Security+ CE, CCNA-Security, CND, CySA+ , RHCSA).
Rockville, MD, Maryland5 days ago
Learn more about Beacon Hill and our specialty divisions, Beacon Hill Associates, Beacon Hill Financial, Beacon Hill HR, Beacon Hill Legal, Beacon Hill Life Sciences and Beacon Hill Technologies by visiting www.bhsg.com. The Senior Lease Administrator is responsible for managing the day-to-day administration of a portfolio of commercial properties, including lease abstraction, billing, and compliance with lease agreements.
Rockville, MD30+ days ago
ul>Senior Windows 2022 / 2019/2016 administrator responsible for server administrations, installation and maintenance services for 100 physical and virtual servers in a Microsoft Active Directory environment. "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.
Suitland, Maryland30+ days ago
The ideal candidate will have a thorough understanding of configuring and managing core Microsoft products, including Domain Controller (DC), Active Directory (AD), Domain Name Server (DNS), Windows Server Update Services (WSUS), Exchange, and System Center Configuration Manager (SCCM). Pay 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.
Washington, District of Columbia30+ days ago
div class="job-description-container">Job Description:
Short Description:
The Client is seeking an experienced Senior Windows Server System Administrator to design, implement, and maintain their enterprise Windows server infrastructure. Minimum Education/Certification Requirements: Bachelor’s degree in IT or related field or equivalent experience
Skills:
· Experience administering Windows Server environments (2016/2019/2022).
The ideal candidate will have a thorough understanding of configuring and managing core Microsoft products, including Domain Controller (DC), Active Directory (AD), Domain Name Server (DNS), Windows Server Update Services (WSUS), Exchange, and System Center Configuration Manager (SCCM). Pay 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.
Springfield, VA30+ days ago
5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
MANTECH seeks a motivated, career and customer-oriented WindowsAdministrator to join our team in Hanover, MD. 90% travel local in MD, and occasional travel Denver, CO, San Antonio, TX and Herndon, VA with minimal off hour/weekend support. System administrator will ensure the uptime, performance, resources, and security of the computers they manage meet the needs of the users.
Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. Install, configure, operate, monitor, and maintain enterprise infrastructure, including web servers (e.g., IIS), application servers, and telecom hardware (e.g., Dell PowerEdge servers, Anaya J Series phones).