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Job #: R-00025934
Location: Manassas, VA
Category: Security
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: No
Clearance Required: Top Secret/SCI
Referral Eligibility: Eligible
Group: Defense

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Job Description:

At Leidos, we know the most talented and diverse professionals will always have a multitude of career choices; your time at Leidos will be a wise investment in your career and in yourself. We welcome your perspective and ideas, in order to foster collaboration and deliver world-class solutions.  We look for solutions that not only transform businesses, but also change the world. We offer a robust benefits package including competitive salaries; company matching 401K Retirement Plan; comprehensive medical, dental and vision coverage; tuition reimbursement and more.  

Airborne Solutions within the Defense Group has a dynamic opportunity for an Assistant Contract Special Security Officer at our Manassas, VA location. As the ACSSO you will assist the CSSO by providing a working knowledge of clearance processing, controlled space management, visit certifications and control, classified document control, controlled unclassified information (CUI) management and requirements, to include tactical security operation support. 

Primary Responsibilities
•Enforce security requirements of applicable Intelligence Community Directives (ICD), National Industrial Security Program Operational Manual (NISPOM), security directives, DoD 5200-1R, and National Security Agency (NSA) Manual 3-16.
•Brief CSSO on the status of the Program Security Functions.
•Manage physical security requirements 
•Assist FSO with accomplishing security self-assessments, clean desk audits, and DSS Vulnerability Assessments.
•Assist Export Control department with International Traffic in Arms Regulations documentation.
•Assist in the development and administration of security education, training and awareness program
•Conduct briefing/debriefing of individuals requiring access, as required
•Assist maintaining an ongoing security education
•Aid in development and dissemination of Insider Threat Awareness program as required by the NISPOM.
•Advise personnel of their reporting requirements.
•Process outgoing visit authorizations for personnel
•Prepare DD-254 documentation and appropriate security guidance for subcontractors in ACCS.
•Prepare Facility Clearance (FCL) Sponsorship documentation for subcontractors requiring new FCLs.

Basic Qualifications
To be considered for this position, you must minimally meet the knowledge, skills, and abilities listed below.

•Requires a high school diploma or equivalent and 3+ years of prior relevant experience.
•Broad knowledge of the National Industrial Security Program rules, regulations, and procedures. 
•Experience in working with a dynamic work environment, supporting several tasks at once, with potential for short deadlines.
•A DoD Top Secret/SCI clearance is required, with the ability to maintain this level of clearance
•10% CONUS Travel Required

Preferred Qualifications
•OCONUS Operations Security Experience
•Guard Force Management Experience
•Experience with SCIF operations


External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Top Secret/SCI


Yes, 10% of the time

Scheduled Weekly Hours:




Requisition Category:


Job Family:



Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. For more information, visit

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 here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to

Commitment to Diversity

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.

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