Job Details: Job Location: USMS (Arlington) - Arlington, VA, Position Type: Full Time, Education Level: 4 Year Degree, Salary Range: $90000.00 - $105000.00Salary, Travel Percentage: None, Job Shift: Day, Job Category: Professional Services, Mayvin is seeking a Senior Communications Security (COMSEC) Specialist to assist the United States Marshals Service (USMS) COMSEC program office. This role will ensure COMSEC compliance in support of multiple programs.   Must be a U.S. Citizen. Must have an active Top-Secret with SCI eligibility.    Responsibilities: Conduct software updates on various COMSEC devices Track COMSEC equipment using Key Management Infrastructure (KMI) and Distributed INFOSEC Accounting System (DIAS) Ship and receive COMSEC material using USPS, FedEx, and Defense Courier Service (DCS) Provide administrative support to the various branch offices within the USMS Divisions  Collect, compile, and report data concerning weekly accomplishments : Required Qualifications: Bachelor's degree Minimum of 5 years of experience with COMSEC Devices Minimum of 5 years of experience tracking COMSEC equipment using Key Management Infrastructure (KMI) and Distributed INFOSEC Accounting System (DIAS) Minimum of 5 years of experience shipping and receiving COMSEC material using USPS, FedEx, and Defense Courier Service (DCS) Ability to adapt quickly and effectively to change   Preferred Qualifications: Previous Government Agency COMSEC principles and Crypto Keymat management policies and regulations   About Mayvin Mayvin is more than a workplace—it’s a community built on innovation, ingenuity, and impact.  Enjoy outstanding benefits and amenities, a truly supportive work environment, and continuous opportunities for professional growth. Your contributions are recognized and rewarded, and—most importantly—your voice matters. Here, you're treated with the dignity and respect you deserve. Mayvin is proud to support the national security mission of the United States through exceptional service to the Departments of War, Homeland Security, and Justice. Join us in solving the nation's toughest challenges—because at Mayvin, #PeopleMatter and it's time to #ReimagineYourMission.