48 sr principal software engineer jobs at 13 companies in Saint Cloud, FL
2mo
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Principal or Sr. Principal Engineer Software (DEE)
Melbourne, Florida, United States
$98k-$184k/yr OnsiteFull Time
5+ YOERequires U.S. secret clearance eligibility, STEM degree with 5+ years engineering experience (Principal) or 8+ years (Sr. Principal). Experience in backend and web application development, CI/CD, and C, C++, C#, Java, or Python.
C, C++, C#, Java, Python, CI/CD, Cameo Enterprise Architecture, SysML, Atlassian
3mo
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Principal Software Engineer
Melbourne, Florida, United States
$134k-$190k/yr OnsiteFull Time
12+ YOEBachelor’s degree in a related field with 12+ years of experience; strong C++, software architecture, and hardware-integrated systems; leadership experience; travel; ability to obtain a US DoD security clearance.
C++, Kotlin, CMake, Android, Linux, Windows, Docker, FastDDS, gRPC, MQTT, SDK, APIs
1mo
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Principal Software Engineer
Celebration, Florida, United States
$176k-$235k/yr HybridFull Time
10+ YOE10+ years experience; expertise in Flutter, mobile native (iOS/Android), Java, Angular, Node.js, RESTful APIs, on-premise infrastructure, data standardization, and microservices; strong communication and leadership; Bachelor's degree or equivalent.
Flutter, iOS, Android, Java, Angular, Node.js, RESTful API, Docker, Kubernetes, AI/ML
1w
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Principal Software Engineer
Orlando, Florida, United States
OnsiteFull Time
Experience building complex systems from scratch, coding expertise, strong engineering judgment, shipped AI-powered products, AI tooling fluency, and willingness to work in Orlando.
AI, voice agents
1mo
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Principal Software Engineer
Celebration, Florida, United States
$176k-$235k/yr HybridFull Time
10+ YOE10+ years experience; Bachelor’s degree or equivalent; deep expertise in Flutter, mobile native (iOS/Android), Java, Angular, Node.js, RESTful API design, on-premise infrastructure, data standardization, and microservices; strong leadership and communication.
Flutter, iOS, Android, Java, Angular, Node.js, RESTful API, Docker, Kubernetes, AI/ML
3w
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Principal Software Engineer (Contract)
United States or Arlington or Denver or Merritt Island
RemoteContract
15+ YOEBachelor's in STEM (masters preferred). 15+ years' experience (12+ with masters) in space/embedded flight software. US citizenship, ability to obtain government clearance, proficiency in C/C++, embedded development, real-time systems, GNC and HIL testing.
C/C++, GNC, BSP, Hardware in the Loop (HIL)
1mo
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Principal Embedded Software Engineer
Melbourne, Florida, United States
OnsiteFull Time
8+ YOEBachelor's in a technical discipline, 8+ years embedded software experience, expert C/C++, strong Python, Bare-Metal/FreeRTOS/Embedded Linux experience, familiarity with AMD/Xilinx Zynq UltraScale+ MPSoC or MicroBlaze, device drivers, hardware/software co-design, team leadership, and ability to obtain DOD security clearance (U.S. citizenship requir...
C, C++, Python, Bare-Metal, FreeRTOS, Embedded Linux, AMD/Xilinx Zynq UltraScale+ MPSoC, MicroBlaze, lwIP, Ethernet, TCP/IP
2mo
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Principal Avionics Software Engineer - GNSS (ONSITE)
Melbourne, Florida, United States
$108k-$205k/yr OnsiteFull Time
8+ YOEU.S. work authorization required; STEM degree plus 8+ years experience (or advanced degree plus 5+ years). Experience with embedded C/C++, Python, test automation, verification, DO‑178C DAL A processes, and avionics integration/testing.
C, C++, Python, LDRA, VectorCast, SVN, Jira, Jama
3mo
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Principal Software Reverse Engineer/Vulnerability Researcher
Indialantic or Melbourne
OnsiteFull Time
10+ YOEBS in CS/CE/EE or related field; 10 years in tech; strong C/C++/Python; Windows/Linux; x86/x64 Assembly; active Top Secret clearance with SAP access.
IDA Pro, Ghidra, Binary Ninja, GDB, Angr, BAP, windbg
3w
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Principal Engineer - Controls
Orlando, Florida, United States
$92k-$148k/yr OnsiteFull Time
5+ YOEBachelor's in mechanical/electrical engineering with 5+ years experience; vehicle control systems, CAN bus, model-based controls, simulation, and embedded software familiarity required.
ADAMS, Matlab/Simulink/State flow, AMEsim, Mathworks, dSPACE, Vector, Autosar, C, C++, C#, Python, CAN
2w
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Senior Principal Engineer
Long Island City or Orlando or Salt Lake City
$135k-$210k/yr HybridFull Time
6+ YOEBachelor's degree or high school diploma/GED with 4 years' relevant experience; 6+ years in software engineering and full-stack development; expertise in distributed systems, cloud platforms, CI/CD, and modern architecture.
Node.js, Java, Angular, Jenkins, SonarQube, GitOps, Azure, Google Cloud Platform, Amazon Web Services, Magnolia, Adobe, Fastly, Yarn, Gradle, Webpack, CSS, ChatGPT, LLM
1w
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Principal Forward Deployed Engineer
Orlando, Florida, United States
$172k-$250k/yr RemoteFull Time
7+ YOERequires 7–10 years in software/data engineering, cybersecurity, and customer-facing solution engineering; AI-agentic workflow experience; secure coding; executive communication; U.S. Secret Clearance eligibility; and a bachelor's degree.
Python, LLM, SBOM, VEX, NERC CIP, OT, ICS
1w
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Senior or Principal Transmission Planning Engineer
Kennesaw or Goodlettsville or Palm Beach Gardens or Charlotte or Spring or Lake Mary or Tampa or Pensacola or Overland Park or Plano or Fort Worth or Emeryville or San Luis Obispo or Naperville or United States or Glendale or Birmingham or Kennewick or United States
$110k-$179k/yr HybridFull Time
6+ YOEBachelor's degree in electrical engineering or related field, 6+ years in transmission planning, power-system modeling software experience, PSCAD, ISO systems knowledge, and leadership experience.
GE PSLF, TARA, Gridview, PowerWorld, PSSE, PROMOD, PSCAD, ISO, RTO, NERC, FERC
1w
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Principal, Facilities Engrg (CHQ Major Facilities) (42148)
Melbourne, Florida, United States
OnsiteFull Time
12+ YOEBachelor’s degree and 12 years of relevant experience, or graduate degree and 10 years, or 16 years without a degree. PE preferred; experience with facilities projects, contractors, building systems, regulations, and project software.
Microsoft Office, AutoCAD, Microsoft Project, Estimating software, e3, HVAC