{"id":4177989,"url":"https://alion.io/job/l3harris-technologies-scientist-systems-engineer-systems-engineering","title":"Scientist Systems Engineer, Systems Engineering","company":{"id":177017,"name":"L3Harris Technologies","domain":"l3harris.com","url":"https://alion.io/company/l3harris-technologies","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":96,"open_postings":66,"ghost_share":0.015,"stale_share":0.091,"repost_share":0.061,"time_to_fill_p50_days":22,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Science & Research","role_family":"Science & Research","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Plano, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":16,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-11-12T16:35:36Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-12T16:35:36Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Job Title: Scientist Systems Engineer, Systems Engineering\nJob Code: 47760\nJob Location: Greenville, TX\nJob Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off\nJob Description:\nWe 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.\nEssential Functions:\n50% travel based on business needs.\nCurrent Security+ Certification.\nLead Systems Engineer (LSE) operational execution across the assigned platform/baseline/program.\nOwn and manage platform-level requirements and System Engineering (SE) process standards.\nDirect technical integration across all subsystems, capabilities, and disciplines.\nResolve complex technical issues and make final trade-off decisions for the platform in coordination with Chief Engineers.\nCommunicate within and outside of the organization to explain and influence changes to practices, processes and approaches, particularly chief engineers, project engineers, and program managers.\nProvide input into new products/processes and implement operational plans that have measurable impact on business or functional results.\nCollaborate in a multi-disciplinary, diverse, and dynamic team environment.\nEstablish and maintain technical direction, engineering standards, and design principles.\nLead technical planning, design reviews, integration, and technical decision-making.\nOversee system-level requirements management, decomposition, validation, and verification.\nEvaluate requirements definition, flow-down and traceability.\nMaintain risk assessment and development of mitigation strategies.\nDevelop, track and present technical metrics.\nManage technical risk management and successful system integration.\nPrepare and present technical results for internal and external program meetings.\nGenerate platform system architecture documents and technical roadmaps.\nCreate risk management and mitigation plans.\nProduce technical decision records and trade studies.\nDevelop customer technical communications and recommendations.\nDocument and support design verification tests within lab, ground and flight test environments.\nConduct platform-wide technical and milestone reviews.\nHands-on experience with testing, integrating, and verifying software and/or hardware.\nMentor and develop technical leaders.\nSupport training and development of new team members.\nResponsible for managing engineering team during travel to offsite facilities for integration.\nResponsible for a team of engineers during off-site installations.\nDrive SE process improvement and technical excellence across the platform.\nGenerate and maintain schedule for engineering activities.\nManage large, complex project initiatives of substantial importance to the organization with minimal oversight or direction on and off-site.\nWork with subcontractors and US Government customers.\nThis position includes an expectation of 10 to 15% shift, on-call, or weekend work.\nOther duties as assigned by Supervisor.\nQualifications:\nActive US Secret security clearance with ability to obtain and maintain a Top Secret/SCI.\nBachelor’s degree with 12 years of leading projects and/or task teams in the integration of systems and/or subsystems in airborne and/or Lab environments experience.\nGraduate degree with 10 years of leading projects and/or task teams in the integration of systems and/or subsystems in airborne and/or Lab environments experience.\nIn Lieu of a degree, a minimum of 16 years of leading projects and/or task teams in the integration of systems and/or subsystems in airborne and/or Lab environments experience.\nPreferred Additional Skills\nActive Top Secret with SCI security clearance.\nCoursework 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 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