Cybersecurity Systems Security Engineer III - Military veterans preferred

ManTech (


  full-time   employee

Colorado Springs
United States

Secure our Nation, Ignite your Future


Cybersecurity System Security Engineer III

The System Security Engineer’s primary function is working within Special Access Programs (SAPs)

supporting SMC and AFSPC acquisition programs. The position will provide “day-to-day” support for

Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities to meet

NIST Cybersecurity requirements for system assessment & authorization.

Performance shall include:

  • Lead a team of System Security Engineers and Certification and Accreditation Analysts responsible

for ensuring the customer’s national and international security interests are protected as acquisition

systems are designed and tested

  • Chair and or Co-Chair customer and SAP community Cybersecurity working groups, participate in

SSE IPT reviews

  • Perform oversight of the development, implementation and evaluation of information systems security

program policy; special emphasis placed upon integration of existing SAP network infrastructures

  • Provides expert level consultation and technical services on all aspects of Information Security
  • Review SSE related designs and provides security compliance recommendations
  • Develop and provide Cybersecurity risk management recommendations to the customer
  • Provide SSE support for Mission and Training systems design and development
  • Assist with development and maintenance of the Program Protection Plan & Cybersecurity Strategy
  • Assist with site activation activities and design reviews, to include test & evaluation of systems
  • Represent the Government Program Manager in various SSE related working groups, advisory

groups, and advisory council meetings

  • Work directly with approval/accreditation authorities to obtain systems’ Authorization to Operate
  • Review, prepare, and update AIS accreditation packages
  • Perform AIS self-inspections, provide security coordination and review of all system test plans
  • Identify AIS vulnerabilities and implement countermeasures
  • Represent the customer on various technical review and inspection teams
  • Conduct security surveys at subordinate facilities and gather pertinent security documentation for

inclusion into system accreditation packages

  • Coordinate, prepare, and track AIS inspections, reports, and responses
  • Maintain AIS security records and prepare Co-Utilization Agreements for network nodes operating in

government facilities

  • Prepare reports on the status of security safeguards applied to computer systems
  • Ensure AIS and network nodes are operated, maintained, and disposed of in accordance with security

policies and practices

  • Perform ISSO duties in support of in-house and external customers
  • Assist Department of Defense, National Agency and Contractor organizations with the development

of certification and accreditation (C&A) efforts

  • Review, track, and conduct AIS training


  • 12-15 years total related experience, including minimum 8 years of relevant SCI or SAP experience.
  • Minimum 4 years of SAP-related experience highly desired.


  • Bachelor’s degree or equivalent additional experience (4 years)


  • Must meet position and certification requirements outlined in DoD Directive 8570.01-M for

Information Assurance Technician Level 3 and Information Assurance Manager Level 3 within 6

months of the date of hire. CISSP Recommended. Must complete training on Joint Security Implementation Guidance (JSIG) and Risk Management Framework (RMF) Information Security Continuous Monitoring (ISCM)

Security Clearance:

  • Current Top Secret Clearance with SCI Eligibility
  • Eligibility for access to Special Access Program Information
  • Willingness to submit to a Counterintelligence polygraph

Other Requirements:

  • Must be familiar with security policy/manuals and the appropriate ICDs/JAFANs/DOD Manuals and

other guiding policy documents

  • Full understanding of Risk Management Framework (RMF) and Joint SAP Implementation Guide

      (JSIG) processes for system accreditation, along with legacy (DITSCAP, DIACAP) processes

  • Must have the ability to work in a dynamic environment and effectively interact with numerous

      DOD, military/civilian personnel and industry partners

  • Working knowledge of Microsoft Office (Word, PowerPoint, and Excel)
  • Possess a high degree of originality, creativity, initiative requiring minimal supervision
  • Willingness to travel within the organizational Area of Responsibility (AOR) (note - could be

extensive, and will include both air and ground transportation)

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

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