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Lead Systems Engineer, Systems Engineering

Greenville, Texas
Full Time On-site

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.

Essential Functions:

  • Lead Systems Engineer (LSE) operational execution across the assigned platform/baseline/program.
  • Own and manage platform-level requirements and System Engineering (SE) process standards.
  • Direct technical integration across all subsystems, capabilities, and disciplines.
  • 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.
  • Provide input into new products/processes and implement operational plans that have measurable impact on business or functional results.
  • Collaborate in a multi-disciplinary, diverse, and dynamic team environment.
  • Establish and maintain technical direction, engineering standards, and design principles.
  • Lead technical planning, design reviews, integration, and technical decision-making.
  • Oversee system-level requirements management, decomposition, validation, and verification.
  • Evaluate requirements definition, flow-down and traceability.
  • Maintain risk assessment and development of mitigation strategies.
  • Develop, track and present technical metrics.
  • Manage technical risk management and successful system integration.
  • Prepare and present technical results for internal and external program meetings.
  • Generate platform system architecture documents and technical roadmaps.
  • Create risk management and mitigation plans.
  • Produce technical decision records and trade studies.
  • Develop customer technical communications and recommendations.
  • Exceptional written, oral, and presentation communication skills.
  • 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.
  • Mentor and develop technical leaders.
  • 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.
  • Must have an active DoD Clearance.
  • Other duties as assigned by Supervisor.

Qualifications:

  • Bachelor’s Degree and minimum 9 years of prior relevant systems engineering experience.
  • Graduate Degree and a minimum of 7 years of prior related systems engineering experience.
  • In lieu of a degree, a minimum of 13 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.
  • Current Secruity+ Certification is required.

Preferred Additional Skills:

  • 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.

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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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