Scientist, Systems Engineering
L3HARRIS Technologies
Melbourne, FL · Posted October 30, 2026
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November 2026
- #18Best cities for software and engineering jobs in the Southeast151 openings · of 65
- #20Best cities for aerospace and defense jobs172 openings · of 67
- #21Best cities for junior jobs in Florida15% · of 21
- #24Best cities for mid-career professionals in the Southeast53% · of 87
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- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
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- Employers with the most engineering jobs #1 Amazon (2,992 roles)
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About the job
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.
This position is located in Melbourne, FL: https://careers.l3harris.com/en/florida
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 direct experience with NOAA, NASA, or other civil space agency ground system programs
Familiarity with Agile/SAFe development practices as applied to ground systems sustainment and modernization
Advanced degree in relevant engineering discipline
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