Description
Leidos is seeking a Contractor Special Security Officer (CSSO) to support several customers in Arlington, Virginia.
Position Summary:
The CSSO will oversee facility, personnel, and SAP security in support of Government security requirements and will be responsible for executing procedures and processes to provide physical protection for personnel and government property, as well as administering day to day security programs and risk mitigation activities. The CSSO will support and conduct internal security investigations in accordance with customer legal and policy requirements and will provide guidance and recommendations to customer leadership on personal and physical security matters, including security training, regulatory requirements, security policies and procedures, and emerging trends in physical and personal security.
The successful candidate will have expert knowledge of security practices, advanced techniques, and solutions, and will recommend and implement new security solutions, processes, policies, and standards in support of overall program security strategy and operations.
Duties may include but are not limited to:
Ensure strict adherence to the provisions of the NISPOM, its Supplement, ICDs, and applicable DoD and SAP policies.
Develop and execute policies and procedures for safeguarding Special Access Program (SAP), Sensitive Compartmented Information (SCI), and collateral information
Hands-on experience in physical security assessments/inspections and Sensitive Compartmented Information Facility (SCIF)/Special Access Program Facility (SAPF) security requirements.
Coordinate and communicate with customer executive leadership on security matters of significant importance to the organization and program.
Provide day to day security support, including continuous assessment of security procedures to identify shortfalls and recommend improvements to security policies, procedures, and systems.
Identify vulnerabilities, threats, and risks to test, training, and operational activities and recommend appropriate mitigation measures.
Develop, implement, and deliver training for the Operations Security (OPSEC) program.
Experience creating and conducting security briefings, debriefings, indoctrinations, pre/post foreign travel briefings and refresher briefings, as appropriate
Ensure timely notification of pertinent security matters to customers and Leidos leadership, as required.
Basic Qualifications:
Bachelor's degree and 5+ years of relevant security experience; additional related experience may be considered in lieu of a degree.
Current industrial security certifications (e.g., FSO, CPSO, or CSSO mid-level training/certifications).
Current Top Secret clearance with SCI eligibility; candidates who do not currently possess this level of clearance will not be considered
Eligibility for access to Special Access Program (SAP) information
Willingness to submit to and successfully complete a Counterintelligence (CI) polygraph
Ability to work effectively in a dynamic environment and interact with a wide range of DoD, IC, civilian, and industry personnel
Ability to work independently while also serving as an engaging, collaborative team player
Proficiency with Microsoft Office (Word, PowerPoint, Excel) and Windows operating systems
Extensive experience with classified and unclassified networks and facility clearance requirements.
Demonstratable experience communicating information security and risk-related concepts effectively to both technical and non-technical audiences.
Strong problem-solving and analytical skills and demonstrate poise and ability to act calmly and competently in high-pressure, high-stress situations.
Attention to detail and a high level of accuracy are a must.
Must be able to work in a constantly changing regulatory environment with short-, mid-, and long-term timelines for remediating any non-compliance.
Must be highly organized with excellent oral and written communication skills.
Must be able to proofread for accuracy, completeness, grammar, and format.
Other Requirements:
Must be flexible and have the ability to work in a very dynamic environment and effectively interact with numerous DOD, IC, civilian personnel and industry partners
Experience with DISS, JADE, SIMS and similar security systems and tools
Experience with ICD 705 requirements
Willingness to travel up to 25%
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
Original Posting:
May 29, 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.
Pay Range:
Pay Range $65,650.00 - $118,675.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. 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.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .
Securing Your Data
Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. 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 .
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission (https://reportfraud.ftc.gov/#/) .
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
REQNUMBER: R-00184364
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.
