NewInformation Systems Security Engineer (ISSE) teKnoluxionInformation Systems Security Engineer (ISSE)Reston, Virginia$130,000–$155,000 / yearFull timeExperience performing security engineering activities across the system lifecycle, including requirements analysis, architecture and design reviews, implementation oversight, vulnerability remediation, testing, deployment, and operational transition. Experience developing and maintaining A&A artifacts, including system security plans, control implementation statements, architecture diagrams, security assessment plans and procedures, POA&Ms, continuous-monitoring plans, and evidence packages.
Senior System/Network Administrator – Systems Integration LeidosSenior System/Network Administrator – Systems IntegrationLaurel, MarylandYou will administer Linux, UNIX, and Windows environments; build and maintain virtual and storage environments; configure network components; resolve complex technical problems; and support reliable day-to-day infrastructure operations. August 24, 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.
(703) Cybersecurity Information System Security Officer (ISSO) Arlo Solutions(703) Cybersecurity Information System Security Officer (ISSO)Arlington, VACandidates should demonstrate experience with: DoD Risk Management Framework (RMF) and Assessment & Authorization (A&A) Continuous Monitoring (ConMon) and cybersecurity governance System Security Plans (SSPs), Security Assessment Reports (SARs), Risk Assessment Reports (RARs), and POA&M management Security control implementation, validation, inheritance, and reciprocity Vulnerability management, STIG compliance, ACAS, and cybersecurity reporting eMASS, Xacta, or comparable Governance, Risk, and Compliance (GRC) platforms Microsoft Windows, Linux, virtualization, enterprise networking, and cloud environments supporting FedRAMP High and the DoD Cloud Computing Security Requirements Guide (SRG) Zero Trust Architecture (ZTA) and secure system engineering principles. This hybrid position supports cybersecurity operations at the Pentagon and Alexandria, Virginia, providing leadership across the full DoD Risk Management Framework (RMF) lifecycle for multiple information systems supporting Controlled Unclassified Information (CUI) through classified environments.
(703) Cybersecurity Information System Security Officer (Isso) Arlo Solutions(703) Cybersecurity Information System Security Officer (Isso)Arlington, VADesired Qualifications: Candidates should demonstrate experience with: DoD Risk Management Framework (RMF) and Assessment & Authorization (A&A) Continuous Monitoring (ConMon) and cybersecurity governance System Security Plans (SSPs), Security Assessment Reports (SARs), Risk Assessment Reports (RARs), and POA&M management Security control implementation, validation, inheritance, and reciprocity Vulnerability management, STIG compliance, ACAS, and cybersecurity reporting eMASS, Xacta, or comparable Governance, Risk, and Compliance (GRC) platforms Microsoft Windows, Linux, virtualization, enterprise networking, and cloud environments supporting FedRAMP High and the DoD Cloud Computing Security Requirements Guide (SRG) Zero Trust Architecture (ZTA) and secure system engineering principles. This hybrid position supports cybersecurity operations at the Pentagon and Alexandria, Virginia, providing leadership across the full DoD Risk Management Framework (RMF) lifecycle for multiple information systems supporting Controlled Unclassified Information (CUI) through classified environments.
Information System Security Officer CACIInformation System Security OfficerWashington Dc, District of ColumbiaCritical deliverables include preparing Security Test Plans 90 days prior to testing and Security Test Reports within 15 days after testing, generating POA&Ms within 0 to 15 days after vulnerability identification, and updating System Security Plans, Configuration Management Plans, and Contingency Plans annually or when changes occur. This position requires following the Information Systems Security Officer (ISSO) Guide when developing, updating, or reviewing required security artifacts and tracking and suggesting technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access.
Information System Security Manager (ISSM) Leidos Holdings IncInformation System Security Manager (ISSM)Lorton, VA$107,900–$195,050 / yearFacilitate approval process for Authorization to Operate (ATO), Authority to Extend (ATE), Authorization to Connect (ATC), and Interconnection Security Agreements (ISA), working with the customer and stakeholders to submit body of evidence artifacts and receive SCA/AO endorsement. 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.
Senior Information System Security Engineer Red Horse Corporation Ltd.Senior Information System Security EngineerChantilly, VA$140,000–$160,000 / yearActual compensation will be determined based on a variety of factors, including relevant experience, education, certifications, skills, security clearance level, geographic location, market conditions, and internal equity. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets.
Information Systems Security Manager (ISSM) RANDInformation Systems Security Manager (ISSM)Washington, District of ColumbiaSupports the Manager, Accreditation Services in maintaining detailed records of security department functions and activities for monthly reports to RAND management with regard to classified systems; conducts investigations and provides incident reports. RAND considers a variety of factors when formulating an offer, including but not limited to, the specific role and associated responsibilities; a candidate’s work experience, education/training, skills, expertise; and internal equity.
Computer and Information Systems Manager (JOURNEYMAN) - Onsite, National Capital Region BluePath LabsComputer and Information Systems Manager (JOURNEYMAN) - Onsite, National Capital RegionWashington, DC$140,000–$160,000 / yearReview and analyze a wide range of software, network, and security artifacts for credibility, including: project management documents, code, and user test cases; system documentation, diagrams, and user manuals; Authorization to Operate (ATO) packages; Information Assurance Vulnerability Alerts (IAVAs). 5000 company transforming critical missions for the Departments of Defense, Homeland Security, Energy, and Commerce in a variety of domains, ranging from strategic competition and cybersecurity research and development to border, supply chain, and energy program support.
Analyst, Information Technology Opensity SolutionsAnalyst, Information TechnologyOpensity Washington, District of ColumbiaOur capabilities include IT and technology solutions, document processing and administrative support, marketing and communications, billing and AP/AR services, records and information governance, workflow automation, consulting and hospitality and facilities services. This role is responsible for providing first and second tier technical support, troubleshooting hardware/software issues, managing IT inventory, and ensuring smooth new hire setups at three client office locations.
Information System Security Manager (ISSM) LeidosInformation System Security Manager (ISSM)Lorton, VirginiaFacilitate approval process for Authorization to Operate (ATO), Authority to Extend (ATE), Authorization to Connect (ATC), and Interconnection Security Agreements (ISA), working with the customer and stakeholders to submit body of evidence artifacts and receive SCA/AO endorsement. August 11, 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.
NewSystems Administrator Agil3 Technology Solutions (A3T)Systems AdministratorOkinawa, JapanFull timeThe Systems Administrator will be responsible for the day-to-day installation, configuration, administration, monitoring, maintenance, troubleshooting, and sustainment of servers, operating systems, virtual infrastructure, enterprise applications, and associated IT services. Company Overview Agil3 Technology Solutions LLC ("A3T") is a Northern Virginia based, ISO 9001, ISO 20000-1 & ISO 27001 Certified, Women-Owned (WOSB) and Service-disabled Veteran-Owned (SDVOSB) small business.
Senior System/Network Administrator - Systems Integration Leidos Holdings IncSenior System/Network Administrator - Systems IntegrationLaurel, MD$116,350–$210,325 / yearYou will administer Linux, UNIX, and Windows environments; build and maintain virtual and storage environments; configure network components; resolve complex technical problems; and support reliable day-to-day infrastructure operations. As a Senior System/Network Administrator - Systems Integration, you will bring deep infrastructure experience to both operational administration and complex integration challenges, helping ensure interconnected systems and applications function effectively together.
Systems Integrator Leidos Holdings IncSystems IntegratorArlington, VA$87,100–$157,450 / yearExperience with ACAS, Azure, DHCP, DNS, HBSS, Hyper-V, Microsoft 365, MECM, SharePoint, SMTP, and Active Directory, as well as an understanding of help desk ticketing tools including Microsoft System Center and ServiceNow. 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.
Information Technology Intern Bowman Consulting Group LtdInformation Technology InternReston, VAIt is an opportunity to be part of a diverse and engaged community of professionals, to be treated as a respected and valued member of a motivated team and to be empowered to do exceptional work that advances the best interest of everyone involved. We recognize the importance of creating a work environment that is both rewarding to our employees and supportive of our unwavering commitment to provide unparalleled service to our clients.
NewSecurity Control Assessor / Systems Security Assessor THOR Solutions, LLCSecurity Control Assessor / Systems Security AssessorWashington, DC$104,000–$134,000 / yearTHOR Solutions is seeking a Security Control Assessor / Systems Security Assessor to support a USCG information technology support services program focused on cloud optimization, strategic data management, digital modernization, and governance in Washington, DC .This position designs and implements computer and information networks—including local area networks (LAN), wide area networks (WAN), intranets, extranets, and other data communications networks—and performs network modeling, analysis, and planning. Founded in 2009, THOR Solutions, LLC (THOR) is a rapidly growing Center for Veteran’s Excellence (CVE) verified Service-Disabled Veteran-Owned Small Business (SDVOSB) providing mission critical support across the Department of Defense, Department of Homeland Security, federal civilian agencies and commercial maritime industry, worldwide.
Information Systems Security Engineer Booz Allen Hamilton IncInformation Systems Security EngineerReston, VA$99,000–$225,000 / yearExperience developing and maintaining A&A artifacts, including system security plans, control implementation statements, security assessment plans, POA&Ms, continuous-monitoring plans, and evidence packages. Develop and maintain A&A artifacts, including system security plans, control implementation statements, architecture diagrams, security assessment plans and procedures, POA&Ms, continuous-monitoring plans, and evidence packages.
Business Systems Analyst – General Accounting and Payables Johns Hopkins Applied Physics LaboratoryBusiness Systems Analyst – General Accounting and PayablesLaurel, MarylandFull timeHave 8+ years of experience designing, implementing, and supporting enterprise applications, including 5+ years supporting Oracle E-Business Suite or comparable ERP platforms. 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.
Sr. Information Systems Specialist Expert In Recruitment SolutionsSr. Information Systems SpecialistWashington, DCThe candidate should demonstrate strong technical knowledge and experience with ServiceNow, M365 applications and have experience supporting Client Desktops/Laptops/Tablets and Microsoft Windows Desktop OS. At least five years of overall IT experience, including a minimum of three years of experience providing general help desk support with previous experience opening and maintaining help desk cases via ServiceNow.
Major Incident Response Technician TekSynap CorpMajor Incident Response TechnicianMD$60,000–$75,000 / yearThe AFNCR IT Services program provides support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR, missions to include the Pentagon, Joint Base Andrews (JBA), Joint Base Anacostia-Bolling (JBAB), and other locations, leased spaces, and alternate sites. An associate degree in computer science/systems, information systems/technology, engineering/engineering technology, software engineering/programming, management, natural sciences, social sciences, mathematics, business/finance, or an applicable training certificate from an accredited training institution.