Chantilly, Virginia

Secure our Nation, Ignite your Future

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first.  At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

Currently, ManTech is seeking a motivated, career and customer oriented Senior Program Security Officer to join our team in the Chantilly, VA area to provide unparalleled support to our customer.

Responsibilities include, but are not limited to:

  • Act as a Senior PSO for a compartmented program.
  • Provide oversight and management of customer information, personnel, physical, technical, AIS and operations security programs
  • Advise technical staff on a broad range of program security issues including system threat vulnerability assessments for systems, system security requirements/architectures, and security risk mitigation plans.
  • Develop material accountability and control plans and provide training at the highest security levels
  • Perform all Personnel Security functions for the Program Office
  • Provide classification management to technical staff
  • Perform ISSO duties in support of systems operated, maintained and disposed of IAW ICD 503
  • Conduct on site assessments and inquiries into security and computer related incidents
  • Prepare various security plans and documents, advise and assist in maintaining Security Classification Guides

Position Requirements:

  • Requires a Bachelor's degree & 15 years + related (intelligence/security environment) experience OR Master's Degree & 10 years of related experience including management experience
  • Prior security experience within the intelligence community is highly desired
  • Must have experience and knowledge of IC and DoD security directives, policies and procedures with specific knowledge of the NISPOM, JAFAN 6/0,6/3, 6/4, 6/9, Intelligence Community Directives and DoD Overprint to the NISPOM Supplement.
  • Demonstrated ability to interact with key senior officials of the IC, DoD, the military services and industry partners through effective oral presentations and written communications
  • Demonstrated ability to independently resolve issues and/or solve problems as they arise with a strong customer service focus
  • Ability to travel up to 10 times per year (travel during COVID has been significantly reduced - but travel is inherent in the position post COVID constraints)

Security clearance requirements:

An active TS/SCI with Polygraph is required.

Physical requirements:

  • Must be able to be in a stationary position more than 50% of the time
  • Must be able to communicate, converse, and exchange information with peers and senior personnel
  • Constantly operates a computer and other office productivity machinery, such as a computer


For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability. To request an accommodation please click and provide your name and contact information.

Chantilly, Virginia

ManTech was founded in 1968 to provide advanced technological services to the United States government. We began with a single contract with the U.S. Navy to develop war-gaming models for the submarine community. Over the years, our government's technology needs have increased dramatically in scope and sophistication, and we have grown to meet that challenge.


For more than 4 decades, we kept a careful eye on where emerging technologies were taking the government, and we developed the resources to master those technologies—by staying close to our customers and anticipating their needs, hiring talented professionals to propel us into the future, and acquiring companies with proven capabilities.


Today, we are a multi-billion-dollar public company that provides the innovation, adaptability, and critical thinking our government needs for success in defense, intelligence, law enforcement, science, administration, health, and other fields—throughout the nation and in many countries throughout the world. We are now applying the lessons learned in the unforgiving arena of national security to help the private sector protect networks and critical information.

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