MIT Lincoln Laboratory COMSEC Custodian - Level II in Lexington, Massachusetts

Security Services

The Security Services Department's overall mission is to ensure a safe and secure environment and protect MIT Lincoln Laboratory at all facilities in which staff members perform their mission of research and development. To accomplish this mission, this department formulates and implements policies, plans, and actions designed to protect facilities against threats of vandalism, accidental destruction, and sabotage; and safeguards personnel, classified and unclassified information systems, personal identifiable information, property, and other assets from exploitation and recruitment by foreign intelligence agencies.

Job Description

IT Services – COMSEC Custodian – Level II

Information Security COMSEC Custodian will serve as an alternate COMSEC Custodian reporting to the COMSEC Manager for all account activities, but primarily in support of the Key Management Infrastructure Operating Account (KOA). Familiarity with the functions of various crypto equipment is required.

Responsibilities and Duties:

  • Will Provide COMSEC support for the Advanced Extremely High Frequency (AEHF) project.

  • Will install, operate, and maintain the Local COMSEC Management System (LCMS) that supports the Developmental Key Loading and Initialization Facility (DKLIF).

  • Will support two Air Force COMSEC accounts that are used for the DKLIF and the Operational Key Management Infrastructure (KMI) which supports the AEHF Key Loading and Initialization Facility (AKLIF) / AEHF Local Key Management Station (ALKMS).

  • Initialize and Endorse End Crypto Units (ECU) to facilitate secure communications with legacy and future satellites. Overall mission is to support the AEHF COMSEC/TRANSEC System (ACTS).

  • Will serve as the Information Systems Security Officer (ISSO) for Local Management Device/Key Processor (LMD/KP) system and Key Management Infrastructure (KMI),

  • Assist with development and execution of COMSEC user training, account administration,

  • Will assist in the identification, procurement, installation and configuration of encryption devices and provide troubleshooting assistance in cases of communication disruption.

  • Will assist in a mandatory COMSEC inventory.

  • Will assist in the preparation of user guidance for proper protection, handling, and accountability and other classified or restricted records and materials.

  • Ensure that all secure communications equipment and material is properly accounted for, transferred, safeguarded, controlled, and destroyed as directed by government regulations and Laboratory policy.

  • Interact with various military organizations and government agencies regarding the COMSEC requirements. Coordinate with government agencies to obtain rulings, interpretations, and acceptable deviations for compliance with regulations as required.

  • Maintain professional contact with other industrial organizations for the purpose of currency and benchmarking.

  • Assist in the development and maintenance of Emergency Action Plans and customize plans in accordance with appropriate application

  • Ensure inspection readiness at all times and participate in government and self-reviews

  • May provide support to other NSA COMSEC accounts as needed

  • Will perform other industrial security related duties as assigned


  • A minimum of 5 years of experience in the operation and handling COMSEC accounts and material is required

  • Bachelor of Science Degree in Computer Science, Information Technology, Computer Information Systems, or relevant work experience or related field is desired

  • Equivalent professional experience with combined education and specialized training commensurate with assignment may be considered substitutes for education and DoD security experience

  • Must have a thorough knowledge of Air Force COMSEC Accounting manuals, AFMANs, AFKAG 1, AFKAG 2, and the NSA/CSS Policy Manual No. 3-16

  • Familiarity with the certification and accreditation requirements for additions or changes to COMSEC devices supporting classified missions is required.

  • Knowledge of the National Industrial Security Program Operating Manual is required

  • Ability to achieve DoD 8570 IAM Level II Baseline Certification within 6 months of appointment is required

  • Air Force COMSEC account manager course and KMI CI-2 Certificate of Management Client Operator (MGC) Training will be required within 6 months of appointment

  • Certified training in the field of Communications Security or extensive experience in managing a COMSEC accounts

  • Detailed understanding of data communication and telecommunication technology. Familiarity with the function of various crypto equipment

  • Knowledge and experience in computer security as applied to the physical control of classified information is desired

  • Maintain working knowledge of business software (e.g., SAP, SIMS, MS Word, Excel, PowerPoint, and Access.)

  • Candidate must be a self starter and able to work with minimal supervision.

  • Excellent oral and written communication skills are required.

  • The candidate should have experience providing presentations and training and possess the ability to interface with all levels of staff and program sponsors.

  • Must possess a conscientious approach to work

  • Some local and overnight travel may be required

  • Must be able to obtain and maintain government (DoD). Preference will be given to candidates with a current active Secret or Top Secret clearance

For Benefits Information, click

MIT Lincoln Laboratory is an Equal Employment Opportunity (EEO) employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, veteran status, disability status, or genetic information; U.S. citizenship is required.

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