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Lead, Info Security Systems Engineer

Colorado Springs, Colorado
Full Time On-site

Summary

Job Description

The successful candidate will support a highly motivated engineering team in defining, designing, implementing, documenting, testing and sustaining Zero Trust Architecture (ZTA) security solutions on National Security Systems, in a DoD environment, using Model-Based Systems Engineering tools like the Cameo suite of tools, current standards within National Institute of Standards & Technology (NIST) Zero Trust Architecture, Special Publications (SP) 800-207, Developing Cyber-Resilient Systems, NIST SP 800-160 vol2 rev1; DoWDeveloping Cyber-Resilient Systems: A Systems Security Engineering Approach, and NSA Cybersecurity Technical Report: Zero Trust Implementation Guideline (1 & 2). The candidate will work with system developers in the design and evaluation of state-of-the-art systems using tools and methods above.

Essential Functions:

  • Take technical ownership leading the build and modeling of cybersecurity requirements in a digital engineering solution for model-based systems engineering (MBSE) with tools like Cameo Suite, using standardized modeling languages and frameworks, such as Unified or Systems Modeling Languages (UML, SysML), and Unified Architecture Framework (UAF), mentor and influence engineering team to leverage tools to increase velocity and quality of deliveries.
  • Provide positive mission impact with an opportunity to shape architecture in implementing principles of Zero-Trust Architecture (ZTA) in system design to secure modern, perimeter-less digital environments by removing implicit trust and requiring continuous, strict verification for every user and device, regardless of location, leveraging guidance and standards from NIST, and the National Security Agency to design, build and deploy critical mission systems to our customers.
  • Communicate requirements, designs, implementation strategies, concepts of operation and technical baselines to engineering and customer leadership and systems engineering technical advisors (SETA).
  • This position is performed 100% onsite and cannot be performed remotely.
  • Up to 25% travel is possible

Qualifications:

  • Education
    • Bachelor’s Degree minimum 9 years of prior relevant experience.
    • Graduate Degree and a minimum of 7 years of prior related experience.
    • Note: Degree must be in computer science or engineering (systems, computer, electrical or software) and experience must include relevance in MBSE digital engineering and/or ZTA.
  • Must have active DOD Secret security clearance. Active TS/SCI is highly desired.
  • Ability to obtain a DoD-recognized baseline security certification, equivalent to IASAE 2 or 3 (CISSP, CSSLP, SecX, ISSEP, ISSAP) within 6 months of hire.

Preferred Additional Skills:

  • System Security Engineer capabilities: Knowledge/proficiency within these guiding references NIST SP 800-160, DoD 5200.39, DOD 5200.47E, DODI 5000.83, and NIST 800-37, to achieve security authorization of supported systems and NSA High Assurance products and SERD requirements.
  • RMF security compliance engineering: RMF strategies with new technology initiatives (hardware, software, firewalls, intrusion detection systems, anti-virus systems and software deployment tools); Infrastructure- / Platform- / Software-as-a-Service (IaaS/PaaS/Saas) cloud implementations; Secure software development.

In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C, Denver, or NYC areas is $127,500 - $236,500. The salary range for this role in Colorado state, Hawaii, Illinois, Maryland, Minnesota, New York state, Cleveland Ohio, and Vermont is $110,500 - $205,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. 

L3Harris Technologies is proud to be an 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.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

About L3 Harris

L3 Harris

L3 Harris is one of the largest defense and aerospace companies in the United States, delivering advanced technologies that support missions across air, land, sea, space, and cyber domains. The company develops communications systems, space payloads, intelligence platforms, electronic warfare capabilities, missile defense technologies, and mission-critical sensors used by the U.S. military, intelligence community, and allied nations around the world.

For job seekers, L3Harris offers opportunities across engineering, software development, cybersecurity, space systems, manufacturing, intelligence, program management, and mission operations. The company is especially attractive to veterans, cleared professionals, and engineers who want to work on advanced technologies that directly support national security. With programs spanning tactical communications, ISR platforms, satellite systems, and defense electronics, employees have the opportunity to contribute to some of the military’s most important capabilities.

Unlike companies focused on a single mission area, L3Harris operates across a diverse portfolio of defense technologies, providing employees exposure to a broad range of programs and technical disciplines. Teams work on everything from secure communications and autonomous systems to space-based sensors and electronic warfare platforms, creating opportunities for both specialization and long-term career growth within the organization.

As governments continue investing in modernization, space capabilities, resilient communications, and advanced sensing technologies, L3Harris remains one of the most important employers in the defense industry. For professionals seeking a mission-driven career with strong growth opportunities, technical challenges, and direct impact on global security, L3Harris continues to stand out as a leading destination in aerospace and defense.

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