Annapolis Junction, Maryland

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 Personnel Security Officer to join our team in Annapolis Junction, MD .


  • Assisting with day-to-day management of security the program

  • Providing Operation Security support and implementing security requirements

  • Interfacing with Program Mgmt., Recruiters, CSSO’s and program employees, subcontractors and new hire employees in relationship to servicing and maintaining clearances

  • Interfacing with government contacts with regards to personnel security duties, to include polygraph appointments, subject interviews and indoctrinations

  • Clearance processing for multiple government & contractor sites

  • Verify/confirm clearance/accesses of new hires and current ManTech employees

  • Manage/Maintain program eCPRL

  • Submit visit requests for Conus/Oconus sites

  • Process new-hire forms/packages for completeness and accuracy before sending to the customer for clearance approvals

  • Makes impartial judgments on the recommended processing times while reviewing confidential candidate material

  • Maintain records in SIMS or other security database and keep up-to-date with accurate information

  • Providing Courier/Escort knowledge

  • Maintain the visitor control system

  • Alarm Response

  • Schedule Flexibility 

  • Maintain security paperwork for all contracts to include but not limited to DD254s and eCPRL’s

  • Annual security audits for Industrial Security and other audits/inspections as needed

Security Clearance Requirement: Active TS/SCI will Polygraph

Position Requirements/Skills

  • Active TS/SCI will Polygraph
  • Bachelor’s Degree
  • Requires 3-5+ years of personnel security experience with Fort Meade customer
  • CSSO Certificate & Course completed within the past five years
  • Must have working knowledge of the NISPOM and ICD/DCID’s
  • Ability to handle stress and work well under pressure
  • Interpersonal and People Skills
  • Organizational Skills
  • Multi-Tasking Ability
  • Analytical and Critical Thinking Skills
  • Oral and Written Communication Skills
  • Ability to use PC and use MS Office Suite
  • DMDC - JPAS/DISS knowledge preferred
  • COMSEC knowledge preferred
  • Document Control knowledge preferred
  • Knowledge of Physical Security (IDS, Alarms, Badge Systems)

Physical Requirements:

  • Must be able to remain in a stationary position 50%
  • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc
  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer
  • The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

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.

Annapolis Junction, Maryland

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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