April 15, 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.
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
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
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.
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.
Fort Belvoir, VA30+ days ago
Implementing and maintaining the organization's cybersecurity toolsets, such as endpoint security solutions (ESS), malware protection, network detection & response (NDR), and endpoint detection & response (EDR) . As a Cyber Tools Administrator, you'll play a pivotal role in protecting our digital assets and strengthening our security posture through proactive monitoring, analysis, and implementation of cutting-edge security solutions.
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.
Annapolis Junction, MD30+ days ago
Mission Technologies' Cyber & Intelligence Team is seeking a motivated and experienced Senior Developer to join a high‑performing team supporting a range of dynamic mission areas, including technology trend analysis, corporate discovery services, and elite defensive cybersecurity operations. Depending on your background, responsibilities may include developing Java‑based GHOSTMACHINE analytics, enriching and summarizing data for downstream use, creatively leveraging diverse datasets to close knowledge gaps, or serving as a technical point of contact for specific cybersecurity missions.
Springfield, VA30+ days ago
Lead solution design and requirement decomposition, translating mission/business needs into technically sound ServiceNow designs (data model, workflows, integrations) . Experience translating business requirements into technical stories and acceptance criteria, facilitating requirements gathering sessions with stakeholders, and documenting users stories, functional requirements, process flows, and acceptance criteria.
Anapolis Junction, MD30+ days ago
Determination of official compensation or salary relies on several different factors including, but not limited to: level of position, complexity of job responsibilities, geographic location, candidate's scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements and alignment with local market data. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.
Arlington, Virginia30+ days ago
li>Implement, manage, and maintain all required Identity Access Management (IAM) roles and principles to support security of VPCs, EC2 instances, and native cloud services (i.e., server less functions). CCS is in search of a Senior Linux Software Developer/System Administrator to fill a System Architects role for PFPA’s.
and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. The successful candidate will have experience preparing and issuing Requests for Proposal (RFPs) and Requests for Quote (RFQs), writing price reasonableness determinations and deal summaries, conducting price analyses in support of supplier proposals, and leading formal negotiations of all types.
The ideal candidate brings strong Kafka administration and troubleshooting expertise, proficiency in scripting, and a disciplined operational approach, along with experience supporting highly secure, compliance-driven networks. Job Description:
DXC Technology (NYSE: DXC) helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability across public, private, and hybrid clouds.
Annapolis Junction, MD20 days ago
The Senior SQL Database Administrator will maintain the integrity, security, and availability of enterprise database systems while supporting ongoing operations, modernization, and sustainment activities. This role will support a fast-paced technical team responsible for maintaining secure, reliable, and high-performing database environments across on-premises and cloud-based infrastructures.
Request and Reporting System requests; verify accesses; obtain approvals, and serve as a liaison between users and other support offices to resolve/fulfill IT and access administration problems/requirements). Coordinate projects with appropriate service proviclers and customers, identify/resolve project issues, and keep customers/project team members informed of projects' statuses.
Alexandria, VA11 days ago
p>If this position is not a perfect fit for you, but you know someone who would be a great match, please refer them to us via our Candidate Referral Program by going to: www.enterprisehorizon.com/candidatereferrals. EHCG provides best in class services to its customers in the following areas: Business Systems Services; Business Intelligence; Data Analytics and Dashboarding; Enterprise Resource Planning (SAP) Implementation; Legacy System Optimization; Digital Transformation; Cloud Migration; Integration and Modernization; and Risk Management Framework Processes (RMF).
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.
p>Coho Technology Solutions is seeking a highly skilled RICE Object Developer / Oracle Database Administrator (DBA) to support the maintenance, sustainment, enhancement, and database administration of the Commercial Asset Visibility Air Force (CAV AF) system. The successful candidate will develop, modify, and maintain Reports, Interfaces, Conversions, and Extensions (RICE) objects while also performing Oracle database administration, performance tuning, data management, and database security activities.
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, Virginia5 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, VA19 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.
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.
Annapolis Junction, MD20 days ago
The ideal candidate is a self-motivated Systems Administrator with strong Windows and Linux experience, hands-on patching and vulnerability remediation knowledge, and the ability to support mission-critical systems in a fast-paced DoD environment. SITEC is an employee- and customer-focused Information Technology and Professional Services firm specializing in cybersecurity, software and systems engineering, systems administration, and lifecycle support services.
Quantico, Virginia30+ days ago
The 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.
p>As an Oracle/Postgres Database Administrator with AMERICAN SYSTEMS you will have the opportunity to do the following: Provide Subject Matter Expert (SME) support for Oracle and PostgreSQL in a traditional on-premise VMware environment and an AWS Cloud environment. AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training.
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.
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. As a SQL Database Administrator, the work you'll do at GDIT will be impactful to the mission of our CNIC N6 IT Support team which provides system administration and development/maintenance support of Commander, Navy Installation Command (CNIC).
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.
p>Active 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.
Team members are regularly encouraged to continue learning and Atlas provides training resources and skills enhancement opportunities internally as well as education reimbursement if you prefer to obtain skills through outside resources or higher education. Support database migrations and upgrades across environments (on-premises/cloud), including PeopleTools upgrades, PUM lifecycle activities, and environment refreshes (masking, scrambling, schema sync).
Springfield, VA10 days ago
p>The Senior System Administrator is responsible for overseeing the testing of products from development to operational deployment, working with Scrum Masters and developers through the requirements process and contributing to a robust, organized Backlog and streamlined Roadmap for the GEODS program. Analyze logs and troubleshoot issues on EC2 instances by establishing SSH connections using tools such as MobaXterm or Putty• Creating IAM users/roles/policies per user requests.
Device Management: Oversee Intune device management, including configuration and deployment of laptops and peripherals for new hires. Technical Support: Provide comprehensive support for hardware and network issues, ranging from basic to advanced levels.
p>The ideal candidate brings hands-on experience managing PostgreSQL environments, supporting ETL workflows, optimizing database performance, and maintaining secure, reliable data systems across on-prem and cloud-hosted infrastructure. This role will focus heavily on PostgreSQL administration, performance tuning, scripting, data movement, and ETL support, while also requiring working knowledge of Oracle database administration and cloud-based database platforms.
Originally known for leadership in enterprise resource planning (ERP) software, SAP has evolved to become a market leader in end-to-end business application software and related services for database, analytics, intelligent technologies, and experience management. As a cloud company with two hundred million users and more than one hundred thousand employees worldwide, we are purpose-driven and future-focused, with a highly collaborative team ethic and commitment to personal development.
Fort Belvoir, VA30+ days ago
Oneida Technical Solutions, LLC (OTS), was founded in 2014 and quickly established itself as a reliable partner capable of providing a variety of information technology and cyber solutions across highly complex, highly regulated and highly secure environments, including the U.S. Department of Defense (DoD), healthcare, higher education, law enforcement, retail, casino gaming and more. Our innovative cyber capabilities and programs have made us trusted partners for IT modernization projects, implementing upgrades and accelerating the delivery of new solutions for the DoD and commercial industries with consumer-driven technology.
Annapolis Junction, MD30+ days ago
Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. Configure and manage UNIX and Windows operating systems and install/load operating system software, troubleshoot, maintain integrity and configures network components along with implementing operating systems enhancements and updates to improve reliability, security and performance.
Alexandria, VA20 days ago
Extensive experience monitoring and configuring crypto equipment; ability to identify, analyze, and resolve operating/hardware network system problems. Bachelor's degree from an accredited institute in a technical discipline; an additional 4 years of experience be substituted in lieu of a degree .
Washington, DC30+ days ago
Extensive experience monitoring and configuring crypto equipment; ability to identify, analyze, and resolve operating/hardware network system problems. Bachelor's degree from an accredited institute in an area applicable to the position; an additional 4 years of experience may be substituted in lieu of a degree .
Annapolis Junction, MD19 days ago
These funded positions support high-performance computing (HPC) environments and mission operations sustainment activities, including monitoring, troubleshooting, maintenance, and optimization of complex Linux-based infrastructures. Whether your expertise is in platform engineering, networking, or storage systems, you will play a critical role in ensuring the reliability, performance, and availability of mission-essential environments.
Springfield, VA30+ days ago
The DBA will collaborate with system administrators, storage administrators, network administrators, mission application teams, internal stakeholders, and external customers to resolve complex issues that span the application, database, operating system, network, and storage layers. Job Description: Leidos is seeking a Senior Oracle Database Administrator (DBA) to support mission-critical database, systems, and infrastructure operations at a Government customer site at Springfield, VA.
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. 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.
Our team is at the cutting edge of Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and advanced analytics-delivering solutions that directly support critical national security missions. 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.
Provide Tier 2 and Tier 3 operations support and be able to rapidly distinguish isolated user problems vs service outages for Citrix technologies to include Citrix XenDesktop, Citrix XenApp, Citrix NetScaler, and Citrix StoreFront in addition to Microsoft M365 Azure Virtual Desktop (AVD). Extensive experience with conducting incident and trend analysis via log review, performance baselining/review, and other incident/problem management techniques to develop solutions to ongoing issues impacting customer experience.