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.
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).
The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.
May 26, 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.
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.
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.
This role will be responsible for managing database operations across Linux servers, supporting replication through Oracle GoldenGate, and ensuring databases remain secure, available, and properly patched. The ideal candidate brings strong hands-on Oracle administration experience, can work effectively in a secure environment, and is comfortable supporting both ongoing operations and new database deployments.
Springfield, VA30+ days ago
Office SharePoint Server (MOSS) and Outlook Web Apps (OWA) 10 provide an enterprise platform 10 share and manage content, knowledge, and applications to empower teamworks quickly find information, and be able to collaborate across the organization. 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.
Springfield, VA30+ days ago
System Administrator: 3 years relevant experience with Bachelors in related field; 1 year relevant experience with Masters in related field; or High School Diploma or equivalent and 7 years relevant experience. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations.
Springfield, VA30+ days ago
Systems Administrator 4: 10+ years relevant experience with Bachelors; 8 years relevant experience with Masters in related field; or High School Diploma or equivalent and 14 years relevant experience. Systems Administrator 3: 6+ years relevant experience with Bachelors; 4 years relevant experience with Masters in related field; or High School Diploma or equivalent and 10 years relevant experience.
Washington, DC30+ days ago
This role is responsible for the administration, security, maintenance, and operational support of Windows print servers, Xerox print devices, and Xerox Device Manager (XDM) servers across both NIPR and SIPR networks. This individual will serve as the subject matter expert (SME) for Xerox printing systems and collaborate closely with USAF personnel, Xerox teams, and IT stakeholders to ensure reliable, secure, and compliant operations.
p>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. Candidate must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) - IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher).
Bethesda, Maryland6 days ago
June 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. Pay Range $107,900.00 - $195,050.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.
p>Position Description: As a Microsoft SQL Server Database Engineer, you will be responsible for a range of exciting tasks:
Perform database administration activities, including the installation and maintenance of database management software, and the design and implementation of predictive analysis.
Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.
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).
p>Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $93,200 - $164,450. (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays.
security deployments; and Perform Oracle database changes (table and file rec length changes, alt-file and key re-sequences for faster data access, new table/file adds), Special Projects/Surge Support Deployment. private network such as Internet protocol (IP) networks, wide area networks (WANs), switches, routers (CISCO) and troubleshoots issues by collaborating with all parties.
p>ActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Agile Software Engineering, Cloud Solutions, Cyber Security and IT Managed Services. IgniteAction is seeking a skilled and motivated Server Administrator to support the design, implementation, and maintenance of secure and resilient server infrastructure for enterprise-level environments.
p>10+ years overall, relevant experience, with a minimum of 2 to 3 years of experience installing, supporting and maintaining OpenText Enterprise Content Management systems (Content Server), or similar enterprise content management systems, including associated web servers and databases. DESIRED: Experience with OpenText ECM / Content Server and Kofax general engineering, supporting activities such as software / systems engineering, changes in networking services, application conversion and implementation, client / server migration, system prototyping, and integration.
Washington D.C., District of Columbia30+ days ago
Needed: Azure Cloud computing, Linux Environments (Red Hat / CentOS), Windows Environments, VMware Environments, Network Security, Mobile Applications (iOS / Android), Mobile Device Management, Integrated and tactical Radio Networks, Geospatial / Mapping caching servers. Manage and maintain all patches to ensure Security Compliance Provide technical support for application, appliance, device support and/or troubleshooting of the platform, third party applications associated to the platform and end user devices/appliances.
Washington, DC30+ days ago
Qualifications: - 10+ years overall, relevant experience, with a minimum of 2 to 3 years of experience installing, supporting and maintaining OpenText Enterprise Content Management systems (Content Server), or similar enterprise content management systems, including associated web servers and databases.
- Experience with OpenText ECM / Content Server and Kofax general engineering, supporting activities such as software / systems engineering, changes in networking services, application conversion and implementation, client / server migration, system prototyping, and integration.
Herndon, Virginia30+ days ago
p style="margin:0px">As a Microsoft SQL Server Database Engineer, you will be responsible for a range of exciting tasks: Perform database administration activities, including the installation and maintenance of database management software, and the design and implementation of predictive analysis.
Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.
Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. 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.
You will also be responsible for system monitoring, troubleshooting complex technical issues, implementing security protocols, managing user accounts and permissions, and collaborating with cross-functional teams to support organizational technology needs. An Average Day:As the Systems Administrator III (Domain & Server) you will be responsible for the comprehensive administration, maintenance, and optimization of enterprise IT infrastructure, including Microsoft Server environments and domain services.
The ideal candidate has 11+ years of professional work experience, including 8+ years of advanced Server system administration, operational support, and problem resolution for mixed Windows/Linux/Unix Server environments, 8+ years of System administration experience, and knowledge of VMware, Hyper-V, and administration of virtual servers, and 8 years of Server Patching and Software deployment experience through Tanium, SCCM, Intune, Ivanti or similar tools. Education and Experience Requirements:
- Minimum 10+ years of systems engineering/administration experience in Windows/Linux/Unix Server environments Operating Systems, including Windows Server installation, operations, administration, and maintenance of physical and virtualized servers in an enterprise environment.
Springfield, VA30+ days ago
p>The Senior SQL Server Database Administrator (DBA) will be responsible for the implementation, configuration, maintenance, and performance of critical SQL Server RDBMS systems, to ensure the availability and consistent performance of corporate applications. The successful candidate will be responsible for the development and sustainment of the SQL Server Database, ensuring its operational readiness (security, health and performance), executing data loads, and performing data modeling in support of development efforts.
Bethesda, Maryland30+ days ago
li>System security engineering expertise in one or more of the following: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk management; intrusion detection; contingency planning; incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing. March 10, 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.
Springfield, VA7 days ago
The Systems Administrator will support the Exchange, Directory, and Messaging (EDM) team responsible for maintaining core infrastructure services across a large-scale network. Experience administering and troubleshooting Active Directory, Microsoft Exchange, and Windows Server environments.
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.
Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. As an Application Systems Administrator, you will address server-related issues for COTS applications, collaborate on system build & configuration, and support end users who rely on business systems.
Washington, DC20 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.
The Senior Systems Cloud Administrator will be directly responsible for the installation, configuration, upgrade, patching, maintenance and monitoring of the SAS environment across the entire Enterprise, while ensuring compliance to various security and encryption protocols for U.S. national security. If you are not reviewing this job posting on our Careers' site http://jtsusa.com/careers or one of our approved job boards we cannot guarantee the validity of this posting.
McLean, Virginia22 days ago
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.
Mclean, Virginia30+ days ago
The engineer provides advanced support for both Windows and Linux environments, administers Microsoft SQL Server databases, maintains compliance and system integrity, and ensures reliable operations across enterprise platforms. 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.
Chantilly, Virginia13 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.
Specific duties include, but are not limited to: building and configuring new database and web-based systems and peripheral devices; managing and safeguarding access through effective user access management; installing software, software updates, and patches; troubleshooting and correcting system outages; performing benchmarking and performance monitoring; ensuring systems are secured, patched, and mitigated against identified risk through scan mitigation and risk analysis processes; and allocating and managing storage and establishing security configuration and privilege access required to enable users and vendors to support their respective environments. It oversees the worldwide operation of the Air Force fitness program, food service, lodging, mortuary affairs, readiness, libraries, management information systems, family member programs, non-appropriated fund transformation, purchasing, construction, non-appropriated fund food and beverage operations, amusement machines, Air Force-level sports, the world-class athlete program, golf, bowling, outdoor recreation, aero clubs, arts and crafts, tickets and travel, plans and force management, and training.
Fort Belvoir, VA22 days ago
p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">Provides database administration and management support for Relational Database Management Systems (RDMS) in a Microsoft SQL Server-based environment hosting databases across supported networks for various .NET applications. - Provide database administration and management support for RDMS in a Microsoft SQL Server-based environment across supported networks.
The engineer provides advanced support for both Windows and Linux environments, administers Microsoft SQL Server databases, maintains compliance and system integrity, and ensures reliable operations across enterprise platforms. 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.
United States Of America, Washington30+ days ago
li>Ability to foster and participate in a productive team environment by establishing and maintaining effective working relationships with co-workers, managers, customers, contractors, and vendors. This position is responsible for the design, implementation, and support of the Avangrid Power Operational Technology (OT) Infrastructure and Associated Applications, with emphasis on current infrastructure around Disaster Recovery and Business Continuity.
Washington, District of Columbia30+ days ago
div class="job-description-container">TITLE: System Administrator Master
LOCATION: Washington, DC/Onsite
Employment type: Contract w2/1099/C2C
MINIMUM EDUCATION: Bachelor’s degree in IT, related field, or equivalent experience.
REQUIRED EXPERIENCE: 16 years
INTERVIEWS: Either Webcam or In Person
Job Description:
The Network and Systems Administrator design, implements, maintains, and supports the organization’s servers, network systems, and core IT services, ensuring secure, reliable Windows Server performance aligned with organizational needs and best practices.
Employment type: Contract w2/1099/C2C
Complete Description:
The Network and Systems Administrator is responsible for the design, implementation, maintenance, and support of the organization’s server infrastructure, network systems, and core IT services.
This includes executing national production applications on the client' large, complex and widely distributed Microsoft NT operating system environment and Local Area Network (LAN) infrastructure throughout the United States. Support different shifts to enable 24x7 support; may be required to carry a pager and be on call and be required to work varied schedules required by large, diverse and complex client production environment.
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.
Washington, District of Columbia30+ days ago
Our client seeks a Senior Database Administrator to lead SQL Server migrations from on‑premises to Google Cloud and to administer large, high‑availability database environments. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes.
As the Senior Systems Administrator, you will monitor and maintain corporate communication systems related to email and messaging; troubleshoot hardware, software, and network problems pertaining to the operation of Microsoft Exchange Servers in a Windows Active Directory environment; and oversee the status of issues related to messaging systems with the corporation and ensure that issues are resolved, documented, and closed in a timely manner. Work Environment, Physical Demands, and Mental Demands: Typical office environment with no unusual hazards, occasional lifting to 20 pounds, constant sitting while using the computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, and constant mental alertness; must possess planning/organizing skills and be able to work under deadlines.
McLean, Virginia8 days ago
As the Senior Systems Administrator, you will monitor and maintain corporate communication systems related to email and messaging; troubleshoot hardware, software, and network problems pertaining to the operation of Microsoft Exchange Servers in a Windows Active Directory environment; and oversee the status of issues related to messaging systems with the corporation and ensure that issues are resolved, documented, and closed in a timely manner. Typical office environment with no unusual hazards, occasional lifting to 20 pounds, constant sitting while using the computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, and constant mental alertness; must possess planning/organizing skills and be able to work under deadlines.
Fort Belvoir, VA22 days ago
ul class="[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3">Three years of progressively responsible experience in desktop support and administration, including supporting, troubleshooting, and managing workstations, monitors, VTC, and printers. - Perform installation, configuration, administration, and monitoring of end-user IT automation equipment, including baseline imaging, performance optimization, patching, and updating.
This includes responding appropriately to alerts and events and responding to incidents from triage through resolution, including escalations, where appropriate; conducting infrastructure repairs, including directing remote activities to maintain operational effectiveness for services; providing root cause analysis documentation in accordance with Government procedures, and documenting daily shift activities in appropriate reporting and ticketing tools and ensure proper pass down of any outstanding issues. Database & SQL Certification/Training: Completed training or certification in database programming or SQL querying, such as Microsoft Certified: Azure Database Administrator Associate (DP-300), Oracle Database SQL Certified Associate, or equivalent structured coursework.