Sr. Security Administrator Job at Sierra Nevada Corporation in Centennial, CO

The Security Administrator is responsible for facilitating administrative security processes such as security clearances, program accesses and visit requests; as well as managing classified document control activities. The position may also support SCI and/or SAP program efforts.

At SNCs ISR, Aviation and Security (IAS) team we are a leading manned and unmanned aircraft systems integrator for high-performance intelligence, surveillance and reconnaissance, and aviation systems. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations and provide a turnkey approach to enable our customers to focus on their mission. Learn more about IAS [


The COMSEC Account Manager is the principal responsible agent for the regional administration and oversight of COMSEC activities supporting SNC Special Programs efforts. Additionally, as a core program security team member, the chosen candidate will assume additional collateral duties in support of enabler functions (physical/program security) benefiting the IAS/SSG business areas greater Colorado campus.


  • Manage COMSEC accounts in accordance with NSA/CSS Policy Manual 3-16, NISPOM, and other applicable customer agency directives
  • Responsible for the receipt, transfer, accountability, safeguarding and destruction activities covering all COMSEC material for large and diverse accounts supporting multiple engineering/production programs
  • Forecast, initiate and track government requests for cryptographic material in support of core and ad-hoc program efforts, ensuring availability of proper short titles pertinent to the active crypto periods
  • Oversight of various key loading devices (SKL, DTD, RASKL), encryption devices, and secure phone sets
  • Maintain COMSEC Accounting System and related records in accordance with governmental regulations
  • Support COMSEC material management and oversight to multiple sites; provide subject matter expert (SME) services to multiple geographically dispersed program locations
  • Candidate will interface with internal/external customers to identify requirements and provide problem resolution
  • Enhance relationships and and work closely with USG affiliate organization as primary SNC liaison, handling GFE assets and facilitating ongoing, routine transfer of CCI between accounts
  • Oversee all COMSEC related investigations and comply with security procedures: investigate, prepare and submit COMSEC incident reports to multiple cognizant security authorities
  • Conduct semi-annual physical inventory of all COMSEC material, ensuring continuous company compliance
  • Oversee preparation for all COMSEC inspections, audits and Staff Assistance Visits
  • Work closely with program personnel, procurement, and vendor contacts for purchases of CCI material to ensure proper procedures and NSA physical security and accountability requirements are being applied to all COMSEC and SAASM controlled materials
  • Perform initial and refresher COMSEC and Crypto briefings and provide employee training on processes and procedures
  • Support the further development and administration of a robust training program for the COMSEC user community on handling and protection of keying material, aids and equipment
  • Assist in the preparation of documentation, work instructions, organizational processes, and providing business area stakeholders with relevant security policy guidance


  • Participate in the development of Security Awareness, Training & Education (SATE) initiatives focused on a wide range of classified and proprietary programs
  • Support corporate-wide security initiatives and project teams, and other duties as assigned
  • Punctuality to work each day, prepared to work scheduled hours with some additional on-call availability
  • Domestic travel will be required, to include SNC company facilities and DoD installation-hosted program operations


  • Responsible for thoughtful adherence to all SNC Policies, Procedures, and Compliance regulations (internal and external)


  • Minimum physical requirements to perform all duties and responsibilities, as defined by management
  • SNC job descriptions are meant as summarizations only. They do not necessarily reflect all duties and responsibilities of a position


  • Requires a BA/BS in Related Field. Relevant work experience may substitute for required education.
  • 10+ years of relevant experience.
  • Completion of National Security Agency (NSA) IAEC 2112 COMSEC Custodian Course Certification/Training and other IC agency COMSEC certifications
  • Detailed knowledge and demonstrated practical application of the National Security Agency (NSA) 3-16 COMSEC directives, CNSSI manuals 4001, 4003, 4004.1,4005, NISPOM and Intelligence Community Directives (ICD)
  • Detailed knowledge of cryptographic material management operations, including use of US Electronic Keying Management System (EKMS), and knowledge of Key Management Infrastructure (KMI)
  • Experience managing COMSEC hardware and crypto/KEYMAT inventories, and performing Local Management Device/Key Processor (LMD/KP) administration
  • Experience facilitating Over the Air Transfers (OTAT) of keying material desired
  • Ability to apply knowledge of government security requirements in a complex multi-level secure environment to ensure program compliance in non-routine situations
  • Knowledge of cleared contractor operations: computer, physical, technical and personnel security requirements
  • Highly proficient in written and verbal communication skills, with emphasis on clear and cogent presentation of complex information to a variety of diverse audiences
  • Knowledge and experience managing classified programs
  • Demonstrated success in well-reasoned decision making and reasoning in applying solutions to often ill-defined problems
  • Work independently to identify, assess & resolve unique security situations with innovative solutions geared to facilitate contract performance within the bounds of security requirements
  • Minimum Fundamental Knowledge, Skills, and Abilities as stated in SNCs Responsibility Matrix
  • An active Top Secret U.S. Security Clearance is required


This position requires current/active Top Secret with SCI eligibility U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

At Sierra Nevada Corporation (SNC) we deliver customer-focused technology and best-of-breed integrations in the aerospace and defense sectors. SNC has been honored as one of the most innovative U.S. companies in space, a Tier One Superior Supplier for the U.S. Air Force, and as one of Americas fastest-growing companies.Learn more about SNC [


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pursuant to applicable local, state or federal law, ordinance or regulation.

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About the Company

Company: Sierra Nevada Corporation

Company Location:  Centennial, CO

Estimated Salary:

About Sierra Nevada Corporation