Security Specialist

ManTech International Corp

Washington Navy Yard, DC

JOB DETAILS
SALARY
$109,000–$181,500 Per Year
SKILLS
Communication Systems, Communications Security (COMSEC), Computer Science, Cryptography, Customer Relations, Data Science, Federal Contracts, Federal Government, Government Contracts, High School Diploma, Information Technology & Information Systems, Information/Data Security (InfoSec), Internet Security, Lift/Move 50 Pounds, Maintain Compliance, Materials Management, National Security Agency (NSA), Naval Sea Systems Command (NAVSEA), Office Equipment, People Management, Presentation/Verbal Skills, Radio Frequency, Regulations, Regulatory Compliance, Satellite Communications, Security Compliance, Security Monitoring, Security Policy, Staff Training, Training/Teaching, Ultra High Frequency (UHF), United States Department of Defense (DoD), United States Military, Very High Frequency (VHF), Willing to Travel
LOCATION
Washington Navy Yard, DC
POSTED
5 days ago

General information

Requisition #

R68883

Locations

USA-DC-Washington Navy Yard

Posting Date

06/23/2026

Security Clearance Required

Top Secret

Remote Type

Onsite

Time Type

Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Security Specialist to join our team in Washington, D.C. This is an onsite position.

This is a position within Naval Sea Systems Command (NAVSEA) that primarily focuses on Communication Security (COMSEC) and information security management. This position is crucial for preserving the security of critical U.S. military technology and maintaining adequate support of national defense and security objectives throughout the NAVSEA Enterprise.

Responsibilities include but are not limited to:

  • Full lifecycle management of COMSEC materials, equipment, and programs

  • Developing, implementing, and monitoring security policies and procedures

  • Conducting security training for personnel handling COMSEC and other sensitive information

  • Managing NAVSEA security programs in assigned areas

  • Coordinating with internal and external stakeholders on security matters

  • Ensuring compliance with security regulations and conducting self-assessments

  • Performing other duties as assigned by the Deputy Director Corporate Programs, Security Programs, or designated representative. These duties will be within the general scope of security management and support the overall mission of the organization

  • Must be willing to travel within the United States for site installations, training, or other mission-critical operations. Occasional CONUS or OCONUS travel may be required (up to 25%)

Minimum Qualifications:

  • High School Diploma

  • 6+ years of relevant experience in COMSEC, cryptography, or related areas

  • Experience handling COMSEC devices and cryptographic materials

  • Familiarity with security policy manuals, ICDs, JAFANs, and DOD manuals

  • Working knowledge of COMSEC accountability and the procedures for equipment issue/receipt, including inventory and mailing

Preferred Qualifications:

  • Experience with Navy or DoD communications systems and securing sensitive information

  • Bachelor's degree in Information Technology, Cybersecurity, Data Science, Computer Science, or related discipline

  • Completion of a Navy-approved COMSEC Manager course

  • Knowledge of Navy and NSA COMSEC regulations and policies

  • Experience with a variety of Secure Communications Equipment (i.e., Harris, Raytheon, Kenwood, Motorola, ITT Exelis)

  • Working knowledge of RF communications, VHF/UHF/SATCOM/Radio, and COMSEC policies

Clearance Requirements:

  • Must have an active Top Secret security clearance.

Physical Requirements:

  • Must be able to walk, lift equipment weighing up to 50 pounds, and be able to carry a backpack weighing up to 25 pounds.

  • Must be able to remain in a stationary position 50% of the time.

  • Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and virtual communication, which may involve delivering presentations.

The projected compensation range for this position is $109,000.00-$181,500.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

About the Company

M

ManTech International Corp

Our Mission Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day. Our Vision Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech. Our Values Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to: • TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always. • INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers. • QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.
COMPANY SIZE
5,000 to 9,999 employees
INDUSTRY
Other/Not Classified
FOUNDED
1968
WEBSITE
https://www.mantech.com/about