60 Mitre Jobs Hiring in Reston, VA

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges—and we're committed to the long-term well-being of our employees. MITRE is different from most technology companies. We are a not-for-profit corporation chartered to work for the public interest, with no commercial conflicts to influence what we do. The R&D centers we operate for the government create lasting impact in fields as diverse as cybersecurity, healthcare, aviation, defense, and enterprise transformation. We're making a difference every day—working for a safer, healthier, and more secure nation and world. Our workplace reflects our values. We offer competitive benefits, exceptional professional development opportunities for career growth, and a culture of innovation that embraces adaptability, collaboration, technical excellence, and people in partnership. If this sounds like the choice you want to make, then choose MITRE - and make a difference with us.

MITRE's Global Security division is committed to ensuring a secure and safe environment for MITRE's 7,000+ employees across 56 domestic and international locations, including 22 cleared facilities. Our mission is to protect our people, information, infrastructure, and the integrity of national security information. Through collaboration with our customers, we manage security risks, reduce vulnerabilities, and support MITRE's overarching mission. Within Global Security, the Industrial Security department is responsible for ensuring more than 100 accredited facilities/areas are inspection-ready, maintaining compliance with NISP standards, ICDs, and Cognizant Security Authorities' implementing guidance including tracking relevant security agreements, system and facility accreditations, and Physical Security UL certificates to prevent lapses that could significantly impact business operations.

MITRE is seeking a customer engagement-focused Contractor Sap Security Officer (Csso) to manage security administration and ensure compliance for a multi-level program and associated classified areas at the McLean, Virginia, headquarters. The ideal candidate will demonstrate exceptional interpersonal skills, a proactive approach to addressing mission needs, and a commitment to delivering seamless security support to internal and external stakeholders. This role requires the ability to foster strong relationships, provide clear guidance, and act as a trusted resource for program teams, ensuring security processes align with mission objectives.

The Csso will:

• Be listed as Contractor Sap Security Officer (Csso) of record for the SCI and Sap information to the program, respectively.
• Be responsible for independent engagement and collaboration with sponsor security to ensure adherence to regulations and guidelines.
• Be capable of independent decision-making, possess a high degree of individual initiative and organizational skills, and function with minimal supervision.
• Supervise the operation of the special security area and administer MITRE's Sci and Sap security program to include security oversight for areas and programs within their cognizance.
• Maintain applicable Sci and Sap directives, regulations, manuals, guidelines, and instructions to adequately discharge their duties and responsibilities.
• Conduct and manage Sci and Sap personnel, information, physical and technical security (e.g., Tempest and Tscm) actions and procedures in accordance with governing regulations.
• Properly account for, control, transmit, package, and safeguard Sci and Sap information, and will provide for destruction of Sci and Sap materials by authorized means in accordance with governing regulations.
• Certify and receive Sci and Sap visitor clearances and accesses.
• Create and implement Concept of Operations, Standard Operating Procedures, and other local area directives.
• Maintain the appropriate official system of record (Sor) accurately reflecting all personnel within their cognizance.
• Perform all aspects of the Sci and Sap Personnel Security Program (Psp) to include, but not limited to, nomination interviews, validation of Collateral, Sci and Sap access requirements, submission of investigative requests and nomination packages, conduct Collateral, Sci and Sap security briefings, obtain signed Nda and Nds, and perform other personnel security actions.
• Conduct a continuing Sci and Sap security education training and awareness program to ensure all Sci-indoctrinated and Sap-briefed individuals are kept informed of the requirements and guidelines for protecting Sci and Sap information, emphasizing unauthorized disclosure awareness, classification management, reporting, and day-to-day security program execution.
• Maintain appropriate accreditation documentation for each program, communications system, and Is within the special security areas under their cognizance, and conduct annual Sci and Sap self-inspections and address any shortcomings.
• Review and update the DD Form 254 for programs operating within the special security areas under their cognizance.
• Assist counterparts in the Information Systems Security (R311) Department for pre-coordination, accreditation, and installation of classified Is.

Basic Qualifications:

• Typically requires a minimum of 5 years of related experience with a Bachelor's degree; or 3 years and a Master's degree; or a PhD with relevant experience who can immediately contribute at this job step; or equivalent combination of related education and work experience
• Must have demonstrable experience in developing and implementing Standard Operating Procedures (Sops) and Concept of Operations (Conops).
• Must have experience in Special Programs, Program Security, Sci/Sap security, or Collateral Security.
• Must have experience conducting and managing inspection preparedness and/or participation in government security inspections.
• Must have experience in any of the following; Jade, Diss, Sims, or Scattered Castles.
• Must have experience in one of the following areas: Industrial or Government Security involving Counterintelligence, Personnel Security, Information Security, Information Systems Security, Physical Security, Technical Security, hands-on supervisory Security Leadership, or Project Management.

• Must have evident experience implementing related areas of: IC Standards or Directives; DoD Directives, Instructions, Manuals, or Standards, i.e., Dodm 5105.21 and Dodm 5205.07; 32 Code of Federal Regulations Part 117, National Industrial Security Program Operating Manual (Nispom); or related government regulation.

• Must have excellent verbal and written communication skills and be able to effectively work with all levels of management and key management personnel.
• Must have an active Top Secret/Sci with a Ci Polygraph U.S Government issued Security Clearance.
• Per the U.S. Government's eligibility requirements, you must be a U.S Citizen to be considered for a security clearance.
• This position has an on-site requirement of 5 days a week on-site.

Preferred Qualifications:

• 5+ years of experience in one of the technical areas above.
• Active Ts/Sci with Full Scope Polygraph.

This requisition requires the candidate to have a minimum of the following clearance(s):

Sap

This requisition requires the hired candidate to have or obtain, within one year from the date of hire, the following clearance(s):

Top Secret/Sci/Polygraph

Salary compensation range and midpoint:

$96,800 - $121,000 - $145,200 Annual

Work Location Type:

Onsite

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local or international law.

MITRE intends to maintain a website that is fully accessible to all individuals. If you are unable to search or apply for jobs and would like to request a reasonable accommodation for any part of MITRE's employment process, please email recruitinghelp@mitre.org for general support and collegerecruiting@mitre.org for intern positions. This service is for individuals requiring reasonable accommodation requests. Please note that vendor solicitations will not receive a reply.

Benefits information may be found here.

Copyright © 1997-2026, The MITRE Corporation. All rights reserved. MITRE is a registered trademark of The MITRE Corporation. Material on this site may be copied and distributed with permission only.