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.
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.
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.
Springfield, VA30+ days ago
Engineer Info Assurance 3: 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. Engineer Info Assurance 2: 2 years relevant experience with Bachelors in related field; 0 years experience with Masters in related field; or High School Diploma or equivalent and 6 years relevant experience.
HII - Mission Technologies is currently seeking Senior-level IaC Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platformdesigned 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. • Designs and implements automated cloud architectures using Terraform, Ansible, and CloudFormation to support system administration, release management, cybersecurity controls, and continuous integration pipelines across multiple operational enclaves.
HII - Mission Technologies is currently seeking Intermediate-level IaC Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platformdesigned 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. "• 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.
li>Familiarity and experience utilizing Scattered Castles, eQIP, JPAS, DISS, JVS, DCII, and CVS; initiating and scoping, T5R background investigations; use of DPRIS, OPM Portal; performing National Agency Checks and Credit Checks. • Individuals shall Assist the Government in assessing, validating and certifying the trustworthiness of customer and designated DoD-affiliated personnel for access to sensitive compartmented information, through case management, adjudication, and due process.
Chantilly, VA30+ days ago
This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journals 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.
li style="margin-bottom:12pt;line-height:normal">Demonstrated expert proficiency in policy development; drafting, formatting, tracking, staffing, reviewing and reconciling inputs to DoD Directive(s), Instruction(s), Manual(s) and other publications; as well as conducting critical review of other entities’ policy documents to ensure personnel security equities are accurately reflected. Recommend changes in writing via information, issue, vision or white papers or orally through formal or informal engagements with leadership on security programs and policy consistent with oversight assessment findings, identified vulnerabilities, and anticipated needs.
Springfield, VA26 days ago
Springfield, VA30+ days ago
Springfield, VA23 days ago
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. Respond in a timely manner to all telephone and/or email actions, questions, or status inquires to include checks of internal and external personnel security databases.
Specialized Experience for this position includes: - Making final determinations for the issuance of security clearances or Public Trusts based on information from referrals and background investigations; AND - Investigating, fact-finding, and using evaluation practices and techniques pertaining to personnel security adjudications; AND - Drafting official correspondence related to personnel security adjudications (e.g., case summaries, clearance suspensions, Letters of Inquiry, Letters of Warning, and Statements of Reasons) AND - Providing advice on the development and interpretation of personnel suitability and security guidelines, policies, and regulations. You will be assessed on the following competencies (knowledge, skills, abilities, and other characteristics): Accountability, Attention to Detail, Customer Service, Decision Making, Flexibility, Influencing/Negotiating, Integrity/Honesty, Interpersonal Skills, Learning, Reading, Reasoning, Self-management, Stress Tolerance, Teamwork.
Fort Belvoir, VA30+ days ago
HCRC is seeking a Temporary Security Support Specialist ( 2week Assignment) to provide comprehensive security, access control, visitor management, and classified space oversight in support of a Federal client. With subject matter expertise in all-source analysis, mission support services, and information technology, we provide tailored solutions that address both major strategic challenges and day-to-day operational needs.
div class="col col-xs-7 description" id="job-description">Human Capital Resources and Concepts Inc. (HCRC) is a consulting firm specializing in comprehensive resource management solutions supporting federal organizations. HCRC is seeking a Security Support Specialist to provide comprehensive security, access control, visitor management, and classified space oversight in support of a Federal client.
Arlington, VA30+ days ago
p>Skills and attributes for success: • Plan and assist in the implementation of security activities at the Top-Secret and higher classification to ensure USSOCOM personnel, Military Civilians, and Contractors, and all supported tenant organizations are prepared to operate in non-traditional environments to perform critical contingency tasks. Extensive experience in compartmented programs in DoD, U.S. Intelligence community, or supporting U.S. Contractors to include PSIP, Access control, ACCM, and SAPSTO process.
Chantilly, Virginia24 days ago
Our solution areas include space mission engineering, atmospheric science, digital engineering, mission assurance, and advances in modeling and simulation that together with our enterprise-wide adoption of artificial intelligence and machine learning, lead to better systems and timely, reliable decision-making. Apply knowledge of IC systems and the Defense Information System for Security (DISS) for pre-screening clearance candidates, submitting individuals for clearances and accesses, scheduling polygraphs, coordinating information with investigators, and managing "reportables" for senior personnel lacking system access.
Arlington, VA30+ days ago
Ensures the completeness of the security questionnaires and send the completed questionnaire to Defense Counterintelligence and Security Agency (DCSA), or the designated investigative service provider (ISP). For our government customers, RiverTech provides innovative solutions to complex engineering and operational challenges and delivers wide-ranging services for mission support, systems engineering, and IT.
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.
If you are an individual with a disability, or have known limitations related to pregnancy, childbirth, or related medical conditions, and would like to request a reasonable accommodation for any part of the employment process, please contact us at job-assist@akima.com or 571-353-7053 (information about job applications status is not available at this contact information). At RiverTech, the work you do every day makes a difference in the lives of our 15,000 Iñupiat shareholders, a group of Alaska natives from one of the most remote and harshest environments in the United States.
Arlington, VA30+ days ago
If you are an individual with a disability, or have known limitations related to pregnancy, childbirth, or related medical conditions, and would like to request a reasonable accommodation for any part of the employment process, please contact us at job-assist@akima.com or 571-353-7053 (information about job applications status is not available at this contact information). At RiverTech, the work you do every day makes a difference in the lives of our 15,000 Iñupiat shareholders, a group of Alaska natives from one of the most remote and harshest environments in the United States.
If you are an individual with a disability, or have known limitations related to pregnancy, childbirth, or related medical conditions, and would like to request a reasonable accommodation for any part of the employment process, please contact us at job-assist@akima.com or 571-353-7053 (information about job applications status is not available at this contact information). At RiverTech, the work you do every day makes a difference in the lives of our 15,000 Iñupiat shareholders, a group of Alaska natives from one of the most remote and harshest environments in the United States.
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.
li>Apply knowledge of IC systems and the Defense Information System for Security (DISS) for pre-screening clearance candidates, submitting individuals for clearances and accesses, scheduling polygraphs, coordinating information with investigators, and managing "reportables" for senior personnel lacking system access. Demonstrated leadership in overseeing cleared security personnel, developing and improving security processes, preparing executive-level security reports, and collaborating with government stakeholders to ensure mission success and operational excellence.
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. If youre an individual with a disability or a disabled veteran who needs assistance using our online job search and application tools or need reasonable accommodation to complete the job application process, please contact us by phone at 310.336.5432 or by email at peoplemangmnt.mailbox@aero.org.
Experience in the use of personnel security databases and clearance repositories to include JPAS/JCAVS, CVS, PIPS, DISS, JVS, CATS, NBIS, and/or Scattered Castles. Experience with National Security, Suitability, or Due Process Adjudications OPM Essentials of Suitability Adjudication, Personnel Security Adjudication, or Due Process Adjudication certifications.
Arlington, VA30+ days ago
p style="line-height:normal;background:white;vertical-align:baseline">Aether Aerospace is seeking an experienced Personnel Security (PERSEC) Specialist to join our team and contribute to our success in maintaining technological superiority through protecting the Government's most advanced technologies from adversarial compromise. Track and maintain all PERSEC information to include clearance status, SAP access, security training records, personnel information files (PIFs) and visit certification (VAR).
Arlington, VA30+ days ago
p style="line-height:normal;background:white;vertical-align:baseline">Aether Aerospace is seeking an experienced Personnel Security (PERSEC) Specialist to join our team and contribute to our success in maintaining technological superiority through protecting the Government's most advanced technologies from adversarial compromise. Track and maintain all PERSEC information to include clearance status, SAP access, security training records, personnel information files (PIFs) and visit certification (VAR).
Springfield, VA2 days ago
p>The Personnel Security Specialist (PSS) completes personnel security suitability intake tasks in support of DHS Federal Protective Services (FPS), Personnel Security Division (PSD). Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability.
In addition, applicant's experience must also demonstrate that the candidate possesses the following qualities: Ability to assign, review, and supervise the work of others; Objectivity and fairness in judging people on their ability, and situations on the facts and circumstances; Ability to adjust to change, work pressures, or difficult situations without undue stress; Willingness to consider new ideas or divergent points of view; and. U.S. Department of State career or career conditional status employees in the competitive service; employees who are on temporary or other non-status appointments who have reinstatement or non-competitive eligibility for a competitive service appointment (e.g., tenured Foreign Service employees, employees on an excepted service appointment at the USUN who have previous career status, etc.); and CTAP.
p style="font-size:10pt;line-height:115%;margin:0pt 0pt 8pt">About Xcelerate Solutions: Founded in 2009 and headquartered in McLean, VA, Xcelerate Solutions (www.xceleratesolutions.com) is one of America's fastest-growing companies. 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.
li style="font-family:serif;font-size:10pt;line-height:115%;margin:0pt 0pt 0pt 44.5pt;padding-left:9.5pt;text-indent:0pt">Serve as a role model in anticipating customer needs; respond to inquiries regarding pending case statuses and complex clearance certifications. The Senior Security Administrator serves as a high-level subject matter expert across diverse security functional areas, including polygraph, adjudication, and investigations.
Arlington, Virginia30+ days ago
p>For our government customers, RiverTech provides innovative solutions to complex engineering and operational challenges and delivers wide-ranging services for mission support, systems engineering, and IT. Company Overview: 
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Arlington, Virginia30+ days ago
li style="font-family:'arial' , 'helvetica' , sans-serif;font-size:12pt">Must have excellent computer skills using Microsoft Office, etc., Excellent written and oral communication, risk-management and problem-solving skills. For our government customers, RiverTech provides innovative solutions to complex engineering and operational challenges and delivers wide-ranging services for mission support, systems engineering, and IT.
p>Responsibilities: - Advanced Case Management: Effectively manage a caseload of over 80 cases in parallel stages of processing, while maintaining the required 23 completed cases per month average.
Minimum Requirements:
- Education/Experience: Bachelor's degree + 3 years of relevant experience OR High School Diploma/GED + 5 years of relevant experience.
Alexandria, VA21 days ago
li>Independently perform quantitative and qualitative data analysis using complex data sets in an unpredictable, high throughput environment. The Contractor shall provide support to the planning, operations, and mission management of the Army's Personnel Security Appeals Board (PSAB).
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.
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.
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.
b>Experience Requirements:- A minimum of three (3) years of experience providing personnel vetting support to a federal government department or agency, to include one or more of the following:
- Processing PV documents for investigations, adjudications, or CV alerts.
- Prepare comprehensive written reports on all pertinent issues, recommending and providing supporting rationale for granting, denying, or revoking eligibility in the appropriate domain (e.g., security, suitability, fitness, credentialing).
p>Responsibilities: - Case Management: Manage a varied caseload of minimally complex cases; maintain a production average of 23 completed cases per month.
Minimum Requirement:
- Education/Experience: Bachelor's degree + 1 year of relevant experience OR High School Diploma/GED + 2 years of relevant experience.
TS/SCI w Full Scope Polygraph
Location: Herndon, VA
Responsibilities:
- Advanced Case Management: Effectively manage a caseload of over 80 cases in parallel stages of processing, while maintaining the required 23 completed cases per month average.
Minimum Requirements:
- Education/Experience: Bachelor’s degree + 3 years of relevant experience OR High School Diploma/GED + 5 years of relevant experience.
div>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.
TS/SCI w Full Scope Polygraph
Location: Herndon, VA
Responsibilities:
- Case Management: Manage a varied caseload of minimally complex cases; maintain a production average of 23 completed cases per month.
Minimum Requirement:
- Education/Experience: Bachelor’s degree + 1 year of relevant experience OR High School Diploma/GED + 2 years of relevant experience.
div> Minimum Requirement:
- Education/Experience: Bachelor’s degree (in a related study) + 5 years of relevant experience OR High School Diploma/GED + 7 years of relevant experience.
Personnel Security Analyst / Adjudicator – Senior
The Senior Security Analyst is a subject matter expert who independently applies ICD 704 and EO 12968 to the most complex cases involving significant derogatory information.