Systems Engineering - Defense

Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission‑critical needs always in mind, our employees deliver end‑to‑end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Scientist, Systems Engineering - Lead

We are seeking an experienced Lead Systems Engineer (LSE) to serve as the senior technical authority responsible for leading systems engineering execution across platform, baseline, or program. The LSE directs all technical activities with full accountability for requirements management, technical integration, system performance, and lifecycle execution. As the operational technical leader, you will translate strategic architectural vision into executable technical plans and ensure technical coherence from concept through deployment.

Lead Systems Engineer (LSE) operational execution across the assigned platform/baseline/program.

Own and manage platform‑level requirements and System Engineering (SE) process standards.

Resolve complex technical issues and make final trade‑off decisions for the platform in coordination with Chief Engineers.

Communicate within and outside of the organization to explain and influence changes to practices, processes and approaches, particularly chief engineers, project engineers, and program managers.

Establish and maintain technical direction, engineering standards, and design principles.

Lead technical planning, design reviews, integration, and technical decision‑making.

Maintain risk assessment and development of mitigation strategies.

Manage technical risk management and successful system integration.

Generate platform system architecture documents and technical roadmaps.

Create risk management and mitigation plans.

Develop customer technical communications and recommendations.

Read and interpret technical specifications, engineering blueprints, test procedures, and technical publications.

Document and support design verification tests within lab, ground and flight test environments.

Analyze data from verification test efforts.

Conduct platform‑wide technical and milestone reviews.

Hands‑on experience with testing, integrating, and verifying software and/or hardware.

Support training and development of new team members.

Responsible for managing engineering team during travel to offsite facilities for integration.

Responsible for a team of engineers during off‑site installations.

Drive SE process improvement and technical excellence across the platform.

Generate and maintain schedule for engineering activities.

Manage large, complex project initiatives of substantial importance to the organization with minimal oversight or direction on and off‑site.

Serve as technical interface for customers and leadership.

Work with subcontractors and US Government customers.

This position includes an expectation of 10 to 15% shift, on‑call, or weekend work.

Bachelor’s Degree and minimum 12 years of prior relevant systems engineering experience.

Graduate Degree and a minimum of 10 years of prior related systems engineering experience.

In lieu of a degree, a minimum of 16 years of prior related systems engineering experience.

Experience leading projects and/or task teams in the integration of systems and/or subsystems in airborne and/or Lab environments experience.

Active Top Secret with SCI security clearance.

Coursework and/or experience in systems engineering, systems architecture, systems analysis and design, system performance modeling, integration and/or project management, and/or model‑based systems engineering.

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. 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.

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