Senior Specialist Systems Engineering

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. 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. Job Title: Senior Specialist, Systems Engineer Job Code: 36315 Job Location: Greenville, TX Schedule: 9/80 Job Description You will contribute to a collaborative engineering team responsible for the requirements, design, development, testing, integration, and ongoing health assessment of complex optical hardware and software systems. This role includes evaluating optical system performance—such as closed‑loop tracking, video capabilities, and data recording—against defined requirements, as well as participating in the design and development of data transport solutions that enable efficient retrieval and dissemination of system data. Essential Functions Analyze video data and tracking performance of a subcontractor’s optical system. Create calibration curves for infrared cameras. Compare theory to measurement and adjust the curves accordingly. Translate the requirements of the customer into system level requirement documents. Evaluate trade studies for accuracy and completeness. Evaluate alternative solutions and establish preliminary system designs. Write subsystem specifications based on system level requirements. Write effective verification test procedures ensuring system performance capabilities meet system requirements. Prepare presentations to communicate technical information to non-technical professionals. Develop and implement software and system test plans in a team environment. Analyze data from delivered systems to verify proper operation and data fidelity and to support troubleshooting/repair efforts. Provide reporting to the end-user to aid in the final analysis/use of the data from delivered systems. Provide reporting to the maintainers of the delivered systems regarding anomalies in the data. Maintain/monitor/operate data transportation systems. Maintain records relating to the operation of the delivered systems. Perform requirement traceability methods and purpose. Perform systems engineering trade study process. Write effective verification test procedures ensuring system performance and capabilities meet system requirements. Conduct sub-system and system verification testing in a SIL and on aircraft. Duties could include flying. Qualifications Active DoD Top Secret (TS/SCI) Security Clearance. Bachelor’s Degree in an appropriate engineering discipline (Electrical, Systems, Software, etc.) and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. Demonstrated experience in systems engineering, systems architecture, systems analysis and design, system performance modeling, integration and/or project management, and/or model-based systems engineering. Demonstrated experience with MATLAB. Demonstrated experience writing subsystem specifications based on system level requirements. Demonstrated experience performing requirement traceability methods. Demonstrated experience performing systems engineering trade studies. Ability to acquire Security+ Certification. Preferred Additional Skills Experience working with Modtran. Experience working software development efforts. Basic knowledge of optical systems. Experience working software development efforts. Experience with DOORS, JIRA, or other Requirement’s traceability products. Abilty to engage with internal/external stakeholders at all levels including executive leadership. Experience working with subcontractors and US Government customers. 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. 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