Overview

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: Scientist, Systems Engineering Job Code: 45458 Job Location: Melbourne, FL Job Schedule: 9/80 Job Description: L3Harris is seeking an experienced Systems Engineer to serve as a Systems Architect / Advanced Concepts Engineer supporting our growing satellite ground systems portfolio. This role sits at the intersection of technical solutioning and business capture, contributing directly to the architecture and win strategy for a pipeline of major ground systems modernization opportunities spanning civil space agency and defense/intelligence community customers. Essential Functions: Develop and evolve reference architectures for multi-mission ground systems spanning satellite command and control, mission data processing, antenna and contact management, and mission operations Lead technical trade studies evaluating on-premises, cloud-native, and hybrid architecture approaches for satellite ground system modernization efforts Translate customer requirements and RFI/RFP technical evaluation criteria into credible, cost-effective solution architectures Support systems engineering activities including requirements decomposition, interface definition, and technical risk assessment for proposed solutions Collaborate with software, cybersecurity, and cloud engineering teams to ensure proposed architectures are technically executable and align with current program capabilities Partner with Capture Managers and Business Development leads to shape technical win strategy, discriminators, and customer-facing messaging across active pursuits Support customer engagement activities, including technical exchange meetings, one-on-one sessions, and industry days Author and contribute to technical content for RFI responses, white papers, capability statements, and proposal volumes Support competitive assessments, including technical benchmarking against known and anticipated competitors Contribute to capture strategy and solution baseline reviews by presenting solution concepts and defending technical approach to internal review boards Qualifications: Bachelor's Degree and a minimum of 12 years of prior related experience. Graduate Degree or equivalent with 10 years of prior related experience. In lieu of a degree, a minimum of 16 years of prior related experience. Experience developing or contributing to system architectures for civil space agency and/or defense/intelligence community programs Experience supporting proposal development, capture activities, or customer-facing technical exchanges Preferred Additional Skills: Experience across most of the following domains: Satellite ground systems architecture (on-premises and/or cloud-based) Satellite command and control (C2/TT&C) Mission data processing (ingest, product generation, dissemination, archive) Antenna and contact management systems Mission operations concepts and execution Experience with cloud-native ground system architectures (e.g., containerized/microservices-based product processing, Kubernetes orchestration) Familiarity with Government contracting models relevant to ground systems services (e.g., traditional GOCO, COCO, managed services/SLA-based contracting) Experience with FISMA/NIST-aligned security architecture for satellite ground systems Prior dir