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. 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.
Gaithersburg, MD8 days ago
The ISSO is responsible for meeting regulatory and non-regulatory compliance (security best practices) demands, providing leadership over security assessment activities, working across system ownership and management organizations to test security controls, policies, and procedures, providing program management support, team leadership, and participating in and coordinating the support as needed for security assessment and activities The ISSO also manages and enforces government and corporate information security policies, provides training, and educates end users and program staff about proper security practices. The ISSO conducts security and risk assessments as required using a range of security accreditation frameworks (e.g., NIST, RMF, Common Criteria, DoD, the Intelligence Community Directives (ICDs)), and works to mitigate risks by applying security controls effectively to achieve an acceptable degree of operational risk.
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. It's a better process: facilitating a continuous ATO through real-time monitoring and dashboards that provide single pane of glass visibility into control compliance, zero-trust built-in to system design from day one, continuous evidence that gives auditors real-time proof instead of point-in-time packages, and an ATO that program teams can inherit rather than pursue.
li>Review user’s requests for new or modified computer programs to resolve feasibility, cost and time required, compatibility with current system, and computer capabilities, analyze and outline steps required to develop programs, using structured analysis and design, plan, develop, test, and document computer programs, applying knowledge of applicable computer system/platform application. With its strong 55-year heritage and deep industry expertise, Capgemini is trusted by its clients to address the entire breadth of their business needs, from strategy and design to operations, fueled by the fast evolving and innovative world of cloud, data, AI, connectivity, software, digital engineering and platforms.
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.
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.
Fort Meade, MD30+ days ago
This role requires a strong understanding of various operating systems, networking principles, virtualization technologies, and cybersecurity best practices to ensure the reliability, availability, and integrity of mission-critical systems. 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.
Fort Meade, MD30+ days ago
This role requires a strong understanding of various operating systems, networking principles, virtualization technologies, and cybersecurity best practices to ensure the reliability, availability, and integrity of mission-critical systems. 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
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.
HII - Mission Technologies is currently seeking a Senior Information System Security Officer (ISSO) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 10 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.
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.
Chantilly, VA30+ days ago
Our security administrators will provide a wide range of support functions that may include the following, depending on office assignment: customer service support, data entry, review of security clearance paperwork and relevant reports, redaction, file maintenance, filing, records management. Preferred Qualifications: Prior experience supporting this customer Bachelors degree in any discipline #javelin Compensation Details: $65,000-$75,000 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.
Chantilly, Virginia30+ days ago
p/>Our security administrators will provide a wide range of support functions that may include the following, depending on office assignment: customer service support, data entry, review of security clearance paperwork and relevant reports, redaction, file maintenance, filing, records management.
Amentum is seeking security-minded individuals with attention to detail, strong communication and excellent customer service skills to join our team of security administrators providing support to personnel security vetting in a dynamic and challenging environment.
strong>Identity & Access Management (BTP IAS Security)- Hands-on experience with SAP BTP Identity Authentication Service (IAS) and Identity Provisioning Service (IPS) (required). ServiceNow Platform Administration
- Perform daily administration and operational maintenance of ServiceNow instances (cloud and on-prem).
li>Skills: Must have proven customer service skills; strong organizational and record-keeping abilities; excellent attention to detail; computer literacy and proficiency; excellent oral and written communication skills; proficiency with Microsoft Office Suite and basic office technology; ability to prioritize and manage multiple administrative tasks; professional demeanor and customer service mindset.
Maintain Security department files and records, clearance periodic review roster, personnel security files, blank forms and supplies required by regulation and needed by the Security Department.
p>The Senior Security Administrator serves as a high-level subject matter expert across diverse security functional areas, including polygraph, adjudication, and investigations. Customer Liaison: Serve as a role model in anticipating customer needs; respond to inquiries regarding pending case statuses and complex clearance certifications.
li>Technical Support: Facilitate the adjudicative process by printing, scanning, and uploading documents to electronic files; respond to OGA clearance certification inquiries. Administrative Support: Maintain and update records, conduct data entry, redact sensitive information, and protect PII using "need to know" principles.
div class="col col-xs-7 description" id="job-description">HCRC is seeking an Senior SystemSecurity Administrator to join our team and contribute to the success of our mission-critical security operations. Human Capital Resources and Concepts Inc. (HCRC) is a consulting firm that specializes in resource management capabilities that are utilized in all federal organizations.
This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal’s “50 Best Places to Work” list as well as being a “Great Place to Work” certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. The Senior Security Administrator serves as a high-level subject matter expert across diverse security functional areas, including polygraph, adjudication, and investigations.
This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal’s “50 Best Places to Work” list as well as being a “Great Place to Work” certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. About Xcelerate Solutions: Founded in 2009 and headquartered in McLean, VA, Xcelerate Solutions (www.xceleratesolutions.com) is one of America's fastest-growing companies.
Sterling, Virginia30+ days ago
div>Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization.
Annapolis Junction, Maryland30+ days ago
This position is designed for an experienced security professional who thrives in high-visibility environments, operates with minimal oversight, and brings deep technical expertise to enterprise security challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization.
Minimum Requirements: Education/Experience: Bachelor's Degree + 3 years of experience OR High School Diploma/GED + 5 years of relevant experience. Mentorship: Coach and mentor Developmental level personnel; assist in developing materials for informal office training sessions.
Minimum Requirements: Education/Experience: Bachelor’s Degree + 3 years of experience OR High School Diploma/GED + 5 years of relevant experience. Mentorship: Coach and mentor Developmental level personnel; assist in developing materials for informal office training sessions.
Baltimore, MD30+ days ago
The successful candidate will collaborate with the Information Security (InfoSec) team to ensure the confidentiality, integrity, and availability of all Workday-related data, protecting sensitive financial, HR, and operational information from internal and external threats, and ensuring compliance with all relevant City, State, and Federal regulations. Security Architecture: Design and manage Workday landscape security, including client/instance hardening, transport security, interface security, and secure configuration of gateway and message server services.
Washington, DC30+ days ago
To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. Anduril's Factory Systems team is looking for a Operational Technology (OT) Cybersecurity Specialist to focus on building world class defensive controls to protect the infrastructure around our advanced defense technology products.
Alexandria, VA30+ days ago
p>The position requires expertise in both platform engineering and operational configuration, including backend system administration, data ingestion pipelines, and front-end configuration such as dashboards, alerts, visualizations, and reporting used by cybersecurity analysts and Security Operations Centers (SOC). Design, deploy, and administer enterprise SIEM platforms (e.g., Elastic Stack, Splunk), including scalable architecture, clustering, high availability, secure configuration (RBAC, authentication), and full lifecycle management in both connected and air-gapped environments.
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.
Fort Belvoir, VA15 days ago
p>As a system administrator and cyber analyst on our project, you'll install, configure and manage RHEL and Windows operating systems to ensure that they meet operator needs while also being compliant with Risk Management Framework (RMF) and NETCOM requirements. 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.
Ft. Meade, Maryland30+ days ago
Overview: 
System Administrator Level 2 (Infrastructure Security).
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.
Ft. Meade, Maryland30+ days ago
Overview: System Administrator Level 3 (Infrastructure Security).
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.
The administrator will own the CI/CD pipeline for Salesforce deployments using Salesforce DX and GitHub Actions, manage sandbox and environment strategy, enforce security configurations aligned with FedRAMP and NTIA/DOC ATO requirements, and serve as the primary administrator for OwnBackup data protection. Security Configuration & Compliance: Implement and maintain Salesforce security configurations including profiles, permission sets, permission set groups, sharing rules, field-level security, session settings, MFA enforcement, and enhanced domain configurations.
As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises.
Baltimore, MD30+ days ago
As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises.