53 principal designer jobs at 25 companies in Severance, CO
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Senior Principal Optical Lens Designer
Acton or Boulder or Centennial or San Diego
$188k-$336k/yr OnsiteFull Time
15+ YOEExpert-level optical design experience for space-based sensors; proficiency with CODE V/OSLO/Zemax; understanding of radiometry, diffraction, polarization, tolerancing, fabrication, testing, and STOP analysis; ability to mentor and communicate.
CODE V, OSLO, Zemax, FRED, TracePro, MATLAB, Structural-Thermal-Optical (STOP)
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Principal Engineer - 2026-01939
Cheyenne, Wyoming, United States
$8k-$9k/mo OnsiteFull Time
2+ YOEBachelor's in engineering, PE license required (Wyoming PE within 1 year), 2+ years engineering experience, AutoCAD/Civil 3D design preferred, project and contract administration, statewide travel.
AutoCAD, Civil 3D
2w
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Manufacturing Principal Engineer – Optical
Boulder, Colorado, United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBachelor's degree in engineering or related technical field plus 6 years of experience, or equivalent. Requires optical coating and thin film design experience, and eligibility for TS/SCI clearance.
Microsoft Office
3mo
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Principal, RA Specialist
Boulder or Remote
$110k-$135k/yr RemoteFull Time
7+ YOEBachelor’s degree in a technical field; 7+ years in regulated environment; 4+ years global regulatory experience (IVD); US FDA/EU IVDR/510(k) knowledge; Design Control and Risk Management experience; ISO 13485 experience; strong collaboration and leadership.
1w
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Principal Hardware Engineer: High Speed Mixed Signal Designer
Boulder or Boulder
$180k-$220k/yr HybridFull Time
10+ YOEBS/MS in engineering and 10+ years of board-level analog and digital design experience, including mixed-signal systems, PCB design, high-speed interfaces, test equipment, and hardware automation scripting.
Altium Designer, FPGA, Python, Linux, MicroTCA, PXIe, IBIS-AMI, oscilloscopes, spectrum analyzers, logic analyzers, signal generators
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Principal Cloud Developer
Andover or Houston or Durham or Fort Collins or Roseville
$152k-$349k/yr HybridFull Time
10+ YOEBachelor's degree in CS/engineering,10+ years experience,expertise in software design,programming (Python,Java,Golang,JavaScript),cloud security and architecture,mentoring and technical leadership.
Python, Java, Golang, JavaScript
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Principal Cloud Developer
Andover or Houston or Durham or Fort Collins or Roseville
$152k-$349k/yr HybridFull Time
10+ YOEBachelor's degree in CS/engineering/IS,10+ years experience,proficiency in Python/Java/Golang/JavaScript,cloud security and systems design expertise,strong communication and mentoring skills.
Python, Java, Golang, JavaScript
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Principal Cloud Developer
Andover or Houston or Durham or Fort Collins or Roseville
$152k-$349k/yr HybridFull Time
10+ YOEBachelor's in CS/engineering/IS (or related),typically 10+ years experience, strong programming in Python/Java/Golang/JavaScript, cloud security and systems design expertise, leadership and mentoring experience.
Python, Java, Golang, JavaScript
2w
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Senior Principal Mechanical Engineer
Westminster or Boulder or Broomfield
$133k-$226k/yr OnsiteFull Time
8+ YOEBachelor's degree or higher in engineering or a related technical field and 8+ years of related experience; optomechanical design, CAD, GD&T, drawing generation, and design for manufacturability and assembly experience required.
SolidWorks, 3D CAD, GD&T, CAD, STOP
1d
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Principal Software Architect
Boulder, Colorado, United States
$190k-$235k/yr OnsiteFull Time
12+ YOEBachelor’s degree or equivalent experience; 12+ years developing software, 8+ years supporting MOSA system-of-systems design, and 5+ years with Kubernetes. U.S. citizenship and security clearance eligibility required.
Kubernetes, GPUs, FaaS, CKAD, AWS Certified Solutions Architect
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Principal Mechanical Engineer
Louisville, Colorado, United States
$167k-$230k/yr OnsiteFull Time
12+ YOEBachelor's (or equivalent) and typically 12+ years' mechanical engineering experience, expertise in mechanical engineering principles, ability to obtain and maintain a U.S. security clearance, and experience leading design, analysis, integration, and test efforts.
NX, SolidWorks, ANSYS
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Principal Systems Engineer
Broomfield, Colorado, United States
$140k-$205k/yr OnsiteFull Time
12+ YOEBachelor's in engineering, 12+ years designing complex aerospace/robotics/autonomous systems; experience with system architecture, requirements management, integration, verification/validation; strong technical communication; able to work extended hours and weekends.
model-based systems engineering (MBSE)
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Principal Electrical Engineer
Denver or Louisville or Santa Monica
$200k-$250k/yr OnsiteFull Time
12+ YOE5+ MgmtBachelor's in electrical engineering, 12+ years developing complex electrical systems (5+ years leading architecture), experience with MIL-STD design, lab test equipment, and ability to obtain DoD Secret clearance; strong leadership and communication.
Altium, FPGAs, SoCs, DDR3, DDR4, PCIe 3.0, PCIe 4.0, DisplayPort, USB 3.0, Ethernet, MIL-STD-461, MIL-STD-810, MIL-STD-1553, ARINC 429, CAN, oscilloscopes, power supplies, spectrum analyzers, ISO/IEEE 15288
2w
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Principal Mechanical Engineer
Westminster, Colorado, United States
$142k-$189k/yr OnsiteFull Time
11+ YOE5+ MgmtBS or MS in Mechanical or Aerospace Engineering; 11 years in communications satellite structures and mechanisms; 5 years leading technical teams; spacecraft design, manufacturing, testing, AI&T, FEA, CAD, CNC, and GD&T experience.
SolidWorks Simulation, Ansys, Nastran, CNC, GD&T, Python, FEA, CAD, AI&T, GNC, EPS, CDH, RF
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Principal AI Engineer
Atlanta or Toronto or Vancouver or Boulder
$217k-$325k/yr HybridFull Time
7+ YOE10+ years software engineering or 7+ years ML/AI experience with multi-year track record shipping LLM-backed products; experience integrating LLMs, designing AI orchestration, cloud deployment, and responsible AI governance.
AWS, GCP
1w
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Principal Electrical Engineer
Mukilteo or Westminster
$150k-$170k/yr OnsiteFull Time
8+ YOE1+ MgmtBachelor's or master's degree in electrical engineering or equivalent; 8+ years technical experience and 1 year management experience; mixed-signal design, PCB, simulation, IPC, and leadership expertise; U.S. citizenship and DoD Secret clearance required or obtainable.
IPC, Altium, PSPICE, LTSPICE, PCB
5d
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Principal Quality Engineer
Boulder or Parker or Louisville
$121k-$181k/yr OnsiteFull Time
7+ YOEBaccalaureate degree plus 7 years, master's plus 5 years, or PhD plus 3 years of relevant experience. Medical device quality systems, design controls, risk management, CAPA, regulatory compliance, and cross-functional leadership experience preferred.
ISO 13485, FDA QSR, IEC 62304, Six Sigma, Lean
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Principal DeltaV Automation Engineer
Maumee or Cincinnati or Indianapolis or Peachtree City or Overland Park or Edina or Raleigh or Westminster
$150k-$180k/yr OnsiteFull Time
10+ YOEBachelor's in Engineering or equivalent,10+ years Emerson DeltaV experience,DeltaV SME with design, implementation, commissioning, and technical leadership experience.
DeltaV Control Studio, DeltaV Operate, DeltaV Diagnostics, DeltaV Continuous Historian, DeltaV Live, DeltaV Batch, DeltaV System Architecture, ISA-88 Batch Methodology, DeltaV PK Controller, DeltaV SIS, Syncade, Virtualized DeltaV Environments, Electronic Marshalling / CHARMS, M-Series and S-Series Controllers, Ethernet I/O Card (EIOC), Emerson DeltaV
1w
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Engineer Principal - Mechanical Harness Design
Westminster, Colorado, United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBachelor's degree in engineering or related technical field plus 6+ years' related experience, or equivalent. Requires harness design, assembly, testing, integration, schematics, grounding, shielding, and workmanship standards experience.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, SolidWorks, SolidWorks Routing, AutoCAD, Mastercam, Microsoft Excel VBA, CNC, Earned Value Management (EVM)
2mo
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Principal SSD Systems Design Engineer
Longmont, Colorado, United States
$175k-$297k/yr OnsiteFull Time
Bachelor's in EE/CompEng/CS or equivalent; deep SSD architecture expertise (controller, FTL, wear-leveling, NAND lifecycle); PCIe/NVMe knowledge; system-level design, debug, and characterization; lab instrumentation and board-level debug.
PCIe, NVMe, Python, C++, Bash
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