Cybersecurity System Security Engineer

  • ManTech
  • Los Angeles, California
  • Full Time

ManTech seeks a motivated, customer-oriented Cybersecurity System Security Engineer III to join our team in the El Segundo, CA .

The Cybersecurity System Security Engineers 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.

Responsibilities include but are not limited to:

  • Lead a team of System Security Engineers and Certification and Accreditation Analysts responsible for ensuring the customers 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 system 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. 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.

Basic Qualifications:

  • Bachelors degree in a related discipline an additional 4 years of related experience may be accepted in lieu of degree.

  • 12+ years total experience

  • 8+ years experience with SCI or SAR environment.

  • 4+ years of SAP relevant experience highly desired.

  • 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 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.

Security Clearance Requirements:

  • Current Top Secret Clearance with SCI Eligibility

  • Eligibility for access to Special Access Program Information

  • Willingness to submit to a polygraph.

Preferred Requirements:

  • 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)

Physical Requirements:

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

  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

  • Frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

Job ID: 475444453
Originally Posted on: 5/1/2025

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