Info Security Sys Engineering - Cleared Contractor - L5

Info Security System Engineering
- Cleared Contractor (Level 5) Salt Lake City, UT | Secret Clearance Required About the Role L3Harris seeks a driven Info Security System Engineer to develop and maintain top-tier security and engineering documentation for mission-critical communication systems in secure, classified environments. This position offers the opportunity to work across advanced technologies, contribute directly to national security, and build your expertise in documentation for highly regulated systems. As part of our collaborative and technically diverse team, you will play a pivotal role in supporting secure communications through exceptional technical writing and cross-functional engagement. Responsibilities
- Lead the creation, editing, and maintenance of clear, accurate engineering, cybersecurity, and compliance documentation for classified and mission-critical systems
- Translate complex technical concepts from systems, software, hardware, and security teams into actionable documentation for internal teams, leadership, and government stakeholders
- Partner with multidisciplinary engineering groups to capture system designs, security requirements, test evidence, and implementation details
- Support the development of security authorization and compliance artifacts, including RMF documentation when applicable
- Organize and present technical material for internal reviews, customer deliverables, and government evaluations
- Review and ensure documentation quality, clarity, technical accuracy, and alignment with program requirements
- Streamline communication of security posture, risks, and mitigation approaches
- Contribute to strategies that enhance program auditability, readiness, and maintainability
- Participate in up to 10% travel as needed for project support Required Skills and Experience
- Active DoD Secret Clearance
- Bachelor's degree in a technical field with at least 9 years' relevant experience, a master's degree with 7+ years, or 13+ years of technical experience without a degree
- Expertise in technical writing, editing, and structured documentation
- Strong collaboration skills with engineers and subject matter experts
- Ability to clearly communicate complex technical information to varied audiences Preferred Skills
- Experience documenting secure, classified, or regulated systems
- Background in cryptography, secure communications, or information security
- Knowledge of RMF, NIST standards, STIGs, or security compliance processes
- Familiarity with NSA cryptographic module certification, anti-tamper solutions, and related assessments
- Experience supporting engineering reviews and customer-facing technical deliverables
- Exposure to embedded systems, defense technologies, and compliance tracking tools such as eMASS or XACTA
- Experience in DoD, Intelligence Community, or other national security environments
- Strong attention to detail, organization, and document quality
- Familiarity with Agile, DevSecOps, or multidisciplinary development programs
- DoD 8140/8570 certification or ability to obtain within 6 months
- Active TS/SCI clearance or eligibility Benefits
- Work with advanced, mission-critical technologies directly supporting national security
- Engage with a highly skilled, collaborative engineering team
- Opportunities for professional growth in secure communications, cybersecurity, and technical documentation
- Competitive compensation and comprehensive benefits package How to Apply Take your career to the next level by joining L3Harris's elite engineering team. Apply directly through our careers portal and submit your resume highlighting your technical documentation and security experience. Qualified candidates with active Secret clearance will be prioritized.