April 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.
As part of our team, you’ll work in Reston, VA, supporting advanced defense technologies and R&D efforts alongside experts in simulation integration, state‑of‑the‑art modeling tools, and seasoned military SMEs. Your work will drive capability assessments for emerging military technologies and ensure the tools and methodologies we use effectively inform decision‑makers across the Department of Defense.
This role serves as a subject matter expert and liaison between HR, IT, and business stakeholders to ensure HR systems meet organizational needs and support strategic initiatives. By connecting global resources and local experience, Keller develops innovative, practical, and cost-effective solutions to geotechnical challenges.
Washington DC, DC1 day ago
p>NAFSA believes that international education advances learning and scholarship, fosters understanding and respect among people of diverse backgrounds and perspectives, is essential for developing globally competent individuals, and builds leadership for the global community. The Event Technology Specialist works closely with both internal and external partners to provide support and develop best practices that ensure efficiency, precision, and continued development and success of the association’s event technology processes.
p style="text-align:justify">Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services. Essential and marginal functions may require maintaining physical condition necessary for bending, stooping, sitting, walking or standing for prolonged periods of time; most of time is spent sitting in a comfortable position with frequent opportunity to move about.
li>Provide acquisition life cycle product support to assist in the development, update, and evaluation of documentation like Life Cycle Support Plans, Independent Logistics Assessments, Fielding Plans, Disposal Plans, and Facility Impact Reports.
li>Perform database queries using DISS & Scattered Castles; prints reports/results; retrieves case files; makes appropriate database entries. Administer physical access control to facilities, ensuring proper credentialing, visitor management, and adherence to access policies.
This role serves as a subject matter expert and liaison between HR, IT, and business stakeholders to ensure HR systems meet organizational needs and support strategic initiatives. By connecting global resources and local experience, Keller develops innovative, practical, and cost-effective solutions to geotechnical challenges.
The DevSecOps Architect will play a crucial role in our organization's initiative to develop and deploy an examiner workflow tool to replace and enhance a legacy system leveraging AWS GovCloud services. They will be responsible for designing, implementing, and maintaining secure, scalable, and efficient cloud infrastructure for multiple environments (e.g., development, testing, staging, production) of the new application.
Fort Belvoir, VA30+ days ago
Will analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Arlington, VA30+ days ago
Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners. 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.
HII-Mission Technologies is looking for an Operational Specialist (OS) supporting program flight operations as an Intelligence, Surveillance, andReconnaissance (ISR) Subject Matter Expert (SME) working in a small, close-knit crew environment providing expertise in support of missionrequirements. Conduct real-time communication and distribution of multi-source information with aircrew and ground assets during all phases of flight via Tactical Data Link and chat (e.g., Link-16/mIRC) or beyond line of site satellite communications (BLoS SATCOM).
Washington, DC30+ days ago
Assist Business Development for Unmanned System capture efforts for new business opportunities, contract re-competes, and task order pursuits in the area of Surface Warfare Account, these include (but not limited to) Naval Expeditionary Combat Command, US Marine Corps, Naval Surface Warfare, Office of Naval Research, US Coast Guard. Develops capture strategy including business solution for pursuit of opportunities; identifies potential customers, competitive assessments, teaming suppliers, and prices-to-win; participates in bid and proposal activities.
Develops and owns capture plan and capture strategy, coordinating with Portfolio Leads to establish technical solutions, identify key personnel/SMEs, and assess strongest past performance references . When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.
Fort Meade, MD30+ days ago
9 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. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Cage Code, Facility Clearance and safeguarding level within the Defense Security Service Industrial Security Facility Database for industry, performing liaison between client and industry partners to ensure compliance of security requirements within the Statement of Work, DD-254 and addendums. Assisting the Contracting Officer, Contracting Officer Representatives and Industry (Director of Security and Facility Security Officers) to accurately prepare and submit DD Form 254s, and provide security guidance as required.
Washington, DC30+ days ago
Security Specialist II - Risk Assessment Specialist will perform additional security duties as required to meet the SOC's operational needs, including, but not limited to attending meetings; providing information to internal and external requests; conducting security-related research; conducting personnel interviews; initiate and review completed eApp forms; and information gathering and exchange via telephone, internet, and mail. Security Specialist II - Risk Assessment Specialist compiles and maintains accounting and accurate data of FCC contractor population, contracting vendors, and FCC CORs to maintain accurate information in the personnel management case system.
Washington, DC15 days ago
Certain Military Spouses: Permanent Change of Station (PCS) orders authorizing you to accompany the Military member to the new duty permanent station; OR verification of the members 100% disability (VA Letter); and/or verification of the members death while on active duty (DD-1300 and Death Certificate) AND verification of the marriage to the service member (i.e., a marriage license or other legal documentation verifying marriage). To apply for this position, you MUST provide a complete application package which includes: Your RESUMEshowing all relevant work experience (paid and unpaid) including: duties performed; full name and address of the each employer; start and end dates (month/day/year); work schedule (part-time, full-time, number of hours if intermittent); salary; and any completed education and training (program title, subject area, number of hours completed, and completion date).
Washington, DC16 days ago
Personnel Security Specialist will utilize Electronic Questionnaires for Investigations Processing (eApp), Central Verification System (CVS), Personnel Investigations Processing System (PIPS), and other applicable personnel security systems to validate investigation requirements and reciprocity eligibility. Must have completed the Office of Personnel Management (OPM) Essentials of Suitability Adjudication Program, Basic Adjudication courses, or similar applicable adjudication/suitability training.
Washington, DC30+ days ago
Security Specialist I perform additional security duties as required to meet the SOC's operational needs, including, but not limited to attending meetings; providing information to internal and external requests; conducting security-related research; updating data in the personnel management case system; and information gathering and exchange via telephone, internet, and mail. Tracking all individuals who have; 1) been processed for an HSPD-12 credential, and 2) have received a "temp" badge, as well as the status of files sent to the HSPD-12 central badging office (GSA/USAccess), or who were scheduled for badge processing, but for any reason were not provided a badge.
Washington, DC30+ days ago
Personnel Security Specialists will process security clearances by collecting, reviewing, submitting, and tracking required documentation. Knowledge of maintaining personnel security records, databases, and tracking systems (e.g., JPAS, DISS, or local equivalents).
Washington, DC30+ days ago
The Physical Security Specialist is responsible for designing, implementing, and maintaining security measures for Sensitive Compartmented Information Facilities (SCIFs). The Physical Security Specialist will conduct routine inspections, assessments, and audits to verify SCIF integrity and compliance.
Fort Belvoir, VA30+ days ago
This job is with Encode, Inc a fully owned subsidiary of Lancesoft Cyber Security Specialist (Information Security Analyst - SME) Active Secret Clearance Required Preferred location for all roles is Ft. Belvoir, VA Local candidates preferred but open to remote. • Possession of Security+ or equivalent • NIST Cybersecurity Framework; • Incident Response Operations At Encode, we believe that our employees are our greatest asset, and we are committed to fostering a supportive and inclusive work environment.
Specialized experience may have been demonstrated by: Experience formulating wing program goals, plans, policy implementation guidelines, procedures, and work plans dealing with the development and operation of wing-wide information security programs and activities; Experience providing technical and administrative direction to subordinate wing information security personnel; Experience interpreting federal regulations for information security processes as they apply and are implemented within the Wing; Experience overseeing, directing, monitoring, and conducting regulatory and non-regulatory security surveys and Information Security Program Reviews (ISPRs) to monitor and enforce implementation and oversight of DoD Information, Personnel, and Industrial Security Programs. If you are a male applicant who was born after 12/31/1959 and are required to register under the Military Selective Service Act, the Defense Authorization Act of 1986 requires that you be registered or you are not eligible for appointment in this agency (https://www.sss.gov/RegVer/wfRegistration.aspx).
li>Coordinate with the COR, Government Security Points of Contact, Program Manager, Facility Security Officer, host-unit security offices, and contractor leadership on security-related matters. Track contractor completion of required security training, annual refresher training, derivative classification training, insider threat awareness, and other applicable security requirements.
Germantown, MD30+ days ago
Assists with the implementation of security-related procedures to include: the control and management of CIO Limited or Vault Type Rooms; Access authorizations, and registration in SSIMS prior to submission to Office of Personnel Security; control and handling of classified material; reviews classified visits, foreign visits and assignments and foreign travel requests; investigation, track and report Federal and Contractor staff security infractions; ensures escorts are trained and performing properly; tracks Federal compliance with security training (Annual Security Refresher Briefing); attend all Headquarters security-related meetings as identified by TM. May work with the Classified Information Systems Security Officer (ISSO) and alternate(s); Operations Security (OPSEC) working group member (if CIO member); classification representative(s); Technical Surveillance Countermeasures Officer (TSCMO); control station personnel; and Security Awareness POC as required.
As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. Experience with the following NSA Type-I Encryption Devices: KG-175's, KG-185, KIV-7, KG-250's, Omni, DTD, SDS, VIPERs and Secure Terminal Equipment (STE) with KSV-21.
Washington, Washington, DC30+ days ago
Qualifications: - Bachelor's degree in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science, from an ABET accredited or CAE designated institution.
- Master's degree in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science, from an ABET accredited or CAE designated institution.
Washington, Washington, DC30+ days ago
Qualifications: - Bachelor's degree in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science, from an ABET accredited or CAE designated institution. The specialist is expected to evaluate security solutions to ensure they meet security requirements for processing up to classified information, and supervise and/or maintain the operational security posture for an information system or program.
Arlington, VA30+ days ago
Specialized experience is experience in developing and implementing organizational level information, personnel, industrial, physical, program protection, information technology and/or communications security programs and/or managing Special Access Programs (SAP) and projects up to and including Top Secret/Special Access Required (SAR), Expert experience in SAP, SCI and Collateral Security Policy is highly desirable, as well as, the ability to execute strong action officer skills, demonstrate strong verbal and written skills, along with effective use of Microsoft Office programs. For more information on Acq Demo please go to DoD AcqDemo Homepage http://acqdemo.hci.mil/ and Fact Sheet http://acqdemo.hci.mil/faq.html.
p>SAIC is looking for a Security Specialist for the Science & Technology Directorate (S&T) division, to provide comprehensive security support across personnel, physical, industrial, information, and operations security domains. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.
Arlington, VA30+ days ago
This position ensures information systems security compliance and manages security controls for DoD cloud migration projects while coordinating security accreditation activities and maintaining ongoing security posture. INFORMATION SYSTMES SECURITY OFFICER - CLOUD SECURITY SPECIALIST (NAUT): Bowhead seeks an Information Systems Security Officer (ISSO Cloud) to support our customer on the Nautical contract in the Arlington, VA area.
Conduct administrative inquiries of security violations to include loss and compromise of classified information/material, and coordinate initial and final reports; Coordination with the Insider Threat Program Senior Official (ITPSO) / insider threat team, when applicable. 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.
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.
Springfield, VA30+ days ago
li>Prepare, review, and staff required documentation (including but not limited to: staff packages, Memorandums of Agreement/Understanding, Appointment Memorandums, classification documentation, reports (TK Annual Report, Site Visit Reports, program metrics, etc.), Memorandums for Record, Taskers, etc. Understand and enforce procedures for handling SCI Controlled Access Programs (CAP's), Special Access Programs (SAP), Alternative Compensatory Control Measures (ACCM) and other collateral materials IAW applicable security policies and regulations.
Springfield, VA30+ days ago
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. Provide timely, properly edited CAV trip reports that include a list of meeting attendees and a synopsis of topics of discussion, items of interest, and follow-on actions/due outs, when applicable.
p>SAIC is looking for a Personnel Security (PERSEC) subject matter expert (SME) to support a highly dynamic and growing program with one of our US Government customers. This close relationship, along with the program''s longevity (20 years), ensures that as a new team member you will find a depth of support to grow and develop that is unmatched, all while making a difference - daily.
Arlington, VA30+ days ago
Youll collaborate with dedicated professionals while ensuring compliance with federal security regulations, including the National Industrial Security Program Operating Manual (NISPOM). This is an exciting opportunity to work on complex, mission-driven government programs in a dynamic, fast-paced environment where your expertise truly matters.