Jobs for People with MS: National MS Society

Mobile National MS Society Logo

Job Information

L3Harris Lead Information Security System Engineer in Plano, Texas


Job Title: Lead Information Security System Engineer

Job Location: Greenville or Plano, Texas

Job Code: IMS20211309-69216

Job Description:

Applies current systems security engineering methods, practices and technologies to the architecture, design, development, evaluation and integration of systems and networks to maintain system security. Works closely with Government customers to ensure that the security protection needs, concerns and requirements are defined and implemented with appropriate fidelity and rigor, early and in a sustainable manner throughout the life cycle of system that will allow for the security assessment and authorization of the system of interest. Works with systems developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products. Uses methods such as encryption technology, vulnerability analysis and security management. Responsible for integration of multiple methods into a cohesive system security boundary and environment and the policies and procedures necessary to continuously monitor and maintain such an environment. Will prepare assessment and authorization documentation, using multiple standards such as Risk Management Framework (RMF), Joint Special Access Implementation Guide (JSIG), DSS Assessment and Authorization Process Manual (DAAPM) and Common Criteria to achieve security authorization of supported systems. Maintains awareness of the most recent system security policies and directives to assist Systems Engineers, Project Engineers, other Information System Security Engineers, and Program Management with the analysis of user and system requirements and constraints. Represents program system security needs, concerns, and requirements at customer meetings.

Requires comprehensive level knowledge of job area typically obtained through advanced education combined with experience. .


  • Bachelor’s Degree in Electrical Engineering, Electrical Engineering Technology, Computer Science degree or related technical degree and nine (9) years of related experience. A combination of education and experience may be considered.

  • Position requires active Top Secret Clearance, which requires US citizenship

  • Security Engineering with assessment and authorization experience

  • Risk Management Framework experience for Information Systems (IS)

  • Experience hardening Linux- and Windows-based operating systems

  • Sets highest ethical standards for self and others.

  • Ability to work a flexible job schedule to include off-shift work and occasional overtime

  • May have in-depth knowledge of project management


    Candidate should hold a current DOD Approved Baseline Certification at the IAT III level that could include: CASP+ CE

  • CCNP Security

  • CISA

  • CISSP (or Associate)

  • GCED

  • GCIH

    Preferred Additional Skills:

  • Master's Degree in Electrical Engineering, Electrical Engineering Technology, Computer Science degree or related technical degree and seven (7) years of related experience. A combination of education and experience may be considered.

  • Well versed in NIST 800-53 standards.

  • Familiarity with RMF for Platform Information Technology (PIT) a plus.

  • Experience with XACTA desired

  • Experience with systems integration is desired.

  • Requirements management experience is highly desirable

L3Harris Technologies is proud to be an Affirmative Action/Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.