Personnel Security Generalist - Entry Level

Overview

MTSI is seeking a motivated and detail-oriented Junior Personnel Security Generalist to join our security team. This role supports critical personnel security functions, including clearance processing, compliance, and investigation management, while also contributing to document control, security education awareness training, physical security, visitor and access control, and COMSEC operations. The ideal candidate will have strong organizational skills, a proactive mindset, and a commitment to maintaining compliance with security policies and procedures.

• Clearance Processing:
  Receive, review, and submit requests for investigations and security clearances.
• Investigation Management:
  Monitor investigation statuses, conduct preliminary checks (e.g., credit, background), and coordinate fingerprinting.
• Security Briefings:
  Conduct initial, refresher, and INFOSEC (Information Security) briefings.
• Record Keeping:
  Maintain personnel security files, track metrics, and ensure data accuracy in systems like SIMS.
• Compliance:
  Ensure adherence to security policies, handle classified materials, and manage access for the collateral program.
• Coordination:
  Liaise with applicants, employees, and investigative agencies to facilitate security processes.
• Visitor and Access Control:
  Manage visitor access requests, maintain visitor logs, and ensure compliance with access control policies.

• Document Control Program:
  Support the management of classified and sensitive documents, ensuring proper handling, storage, and destruction in accordance with regulations.
• Security Education Awareness Training (SETA):
  Assist in developing and delivering security awareness training programs to educate employees on best practices and compliance requirements.
• Physical Security:
  Support physical security operations, including badge issuance, facility access control, and monitoring security systems.
• COMSEC:
  Assist in the management of Communications Security (COMSEC) equipment and procedures, ensuring compliance with applicable regulations.

• 2 years of PERSEC experience.
• Familiarity with personnel security processes and systems, such as DISS, NBIS, or e-App.
• Strong organizational skills and attention to detail.
• Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint, Outlook).
• Excellent communication and interpersonal skills, with the ability to work collaboratively within a team.
• Ability to prioritize tasks and adapt to changing requirements.
• Knowledge of NISPOM and other relevant security regulations.

• Active DoD Secret clearance (or higher) preferred, with the ability to obtain and maintain additional clearances as needed.
• U.S. Citizenship required.

Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance.

MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.

For more information about MTSI, please visit

MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.