16 sr principal software engineer jobs at 2 companies in Benson, AZ

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Principal Engineer, Actuation Systems Embedded Software
Tucson or Huntsville or Portsmouth
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
8+ YOESTEM university degree and 8+ years of relevant experience, or advanced degree and 5+ years. Requires embedded C/C++, MATLAB/Simulink, systems engineering, and documented software development experience.
C, C++, MATLAB, Simulink, FPGA, VHDL, UART, SPI, I2C, GIT, Subversion, MISRA-C
1w
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Sr Principal Real-time Software Engineer
Tucson, Arizona, United States
$132k-$252k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
10+ YOESTEM degree and 10+ years of relevant experience required, including embedded C++ or security or software architecture; RTOS, hardware-firmware-software integration, and active Secret clearance required.
C++, Real Time Operating Systems (RTOS), Green Hills, Integrity, Wind River VxWorks, Linux, VHDL, Verilog
3mo
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Senior Principal Software Security Engineer
Tucson, Arizona, United States
$132k-$252k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
10+ YOE10+ years software security experience; strong C/C++; embedded OS knowledge; DoD security clearance eligibility; Bachelor’s in STEM.
C, C++, VxWorks, Embedded Linux, Python, Perl, ARM, PCIe, GPIO, I2C, SATA, FPGAs, ASICs, DoD security tools
1w
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Sr Principal Real-time Software Engineer
Tucson, Arizona, United States
$132k-$252k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
10+ YOESTEM degree and 10+ years of relevant experience required, including embedded C++ software, security, or architecture experience; RTOS, hardware/firmware integration, U.S. citizenship, and interim Secret clearance required.
C++, Real Time Operating Systems (RTOS), Green Hills, Integrity, Wind River VxWorks, Linux, VHDL, Verilog, power supplies, digital multi-meters, oscilloscopes, logic analyzers
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Principal HWIL Software Engineer
Tucson, Arizona, United States
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEBachelor's in STEM and minimum 8 years experience developing real-time embedded or HWIL software; active transferable DoD Secret clearance required; experience with C/C++/Python, Linux/VxWorks, embedded systems, and Agile lifecycle.
C, C++, Python, Linux, VxWorks, Matlab, oscilloscopes, logic analyzers, network analyzers, spectrum analyzers, Earned Value Management System (EVMS)
3w
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Principal Real-time Software Engineer
Tucson, Arizona, United States
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
8+ YOESTEM degree and 8+ years relevant experience required. Requires embedded C++, software architecture, RTOS, hardware/firmware integration, U.S. citizenship, and ability to obtain Interim Secret clearance.
C++, Embedded C++, Real Time Operating Systems (RTOS), Green Hills, Integrity, Wind River VxWorks, Linux, FPGA, VHDL, Verilog, Microsoft Windows
1mo
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Principal Software Engineer with Test Solutions
Tucson, Arizona, United States
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEBachelor's in STEM with typically 8+ years experience (or advanced degree with 5+ years), U.S. citizenship and ability to obtain DoD Secret clearance, experience with C++, C#, Java, Python, Visual Basic, Microsoft Visual Studio, Windows OS, and test/instrumentation preferred.
C#, C++, Java, Python, Visual Basic, Microsoft Visual Studio, Windows Operating System, Microsoft Azure DevOps Server, GitHub, Unified Modeling Language (UML), TCP/IP, UDP, RS-422, oscilloscopes, power supplies, digital multimeters
2mo
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Principal Systems Engineer – Software Systems (Onsite)
Tucson, Arizona, United States
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEU.S. citizenship and DoD Secret clearance required; Bachelor’s in STEM and minimum 8 years engineering experience; systems engineering, MBSE, requirements development/verification, and embedded software integration/test experience.
Model-Based Systems Engineering (MBSE), Cameo, DOORS, cPDM, Azure DevOps, Matlab, C, C#, C++, Python
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Principal Real-time Software Engineer
Tucson, Arizona, United States
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOESTEM degree typically required with minimum 8 years relevant experience; active transferable Secret U.S. government clearance and U.S. citizenship required; experience with embedded C++, RTOS, hardware/firmware integration, and mentoring.
Embedded C++, Green Hills, Integrity, Wind River VxWorks, Linux, VHDL, Verilog
1mo
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Principal Software Architect
Tucson, Arizona, United States
$156k-$190k/yr OnsiteFull Time
AURA
AURA: Operates astronomical observatories and facilities for the scientific community.
15+ YOE15+ years software engineering experience; expertise in distributed, cloud-native, containerized and HPC systems; strong architecture, API, DevSecOps, IaC, and AI/ML experience; excellent communication and mentorship skills.
HPC, DevSecOps, CI/CD, Infrastructure as Code (IaC), AI, ML, LLM, API
1mo
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Principal Software Architect
Tucson, Arizona, United States
$156k-$190k/yr OnsiteFull Time
AURA
AURA: Operates international astronomical observatories for scientific research and discovery.
15+ YOE15+ years software engineering experience with large-scale distributed, cloud-native, HPC, and data-intensive systems; strong architecture, API, DevSecOps, and AI/ML experience; excellent communication and mentoring skills.
HPC, API, DevSecOps, CI/CD, Infrastructure as Code (IaC), observability, AI, machine learning (ML), generative AI, large language model (LLM)
1mo
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Senior Principal Engineer: Performance Analysis Software and Simulation (PASS) Integrated Product Team Lead (IPTL) (Onsite)
Tucson, Arizona, United States
$132k-$252k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
10+ YOESTEM degree and 10+ years experience leading software, performance analysis, modeling, and simulation teams; experience with EVMS, multi-million-dollar budgets, and PM Level 4 certification target; active transferable SECRET clearance and U.S. citizenship required.
Earned Value Management System (EVMS), Agile
3w
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Principal Systems Engineer – Software Systems Engineer (Onsite)
Tucson, Arizona, United States
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEBachelor's in STEM and minimum 8 years engineering experience, U.S. citizenship, active transferable Top Secret clearance, MBSE/requirements and integration/test experience, Agile familiarity.
Cameo, DOORS, cPDM, Azure DevOps, Matlab, C, C#, C++, Python
1mo
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Principal AI Engineer
Tucson, Arizona, United States
$179k-$226k/yr OnsiteFull Time
AURA
AURA: Operates astronomical observatories and facilities for the scientific community.
15+ YOE15+ years of AI/software engineering experience; experience designing and deploying production-scale AI, LLM, RAG, and agent systems; strong cloud-native and infrastructure background; leadership and communication skills.
LLMs, Retrieval-Augmented Generation (RAG), AI agents, HPC
1mo
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Principal AI Engineer
Tucson, Arizona, United States
$179k-$226k/yr OnsiteFull Time
AURA
AURA: Operates international astronomical observatories for scientific research and discovery.
15+ YOE15+ years in AI/software engineering with experience designing, building, and deploying production-scale AI/ML systems, LLM/RAG/agent experience, cloud-native and HPC familiarity, and strong leadership and communication skills.
large language models (LLMs), Retrieval-Augmented Generation (RAG), AI agents, generative AI, machine learning, HPC, foundation models
3w
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Principal Software Metrics Lead
McKinney or Tucson or Tewksbury or Aurora
$108k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEBS/BA STEM, minimum 8 years engineering experience, ability to obtain Secret security clearance (U.S. citizenship required), experience with performance measurement, cost estimation, data visualization, and cross-functional collaboration.
PowerBI, Grafana, GenAI