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540 system development engineer jobs at 194 companies in Castle Rock, CO

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Sr. System Development Engineer, PEET
Denver, Colorado, United States
$151k-$205k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
6+ YOEBachelor's degree or CSSLP, active Top Secret/SCI clearance, 6+ years software development, 4+ years system design experience, 6+ years Linux/Unix operations, EM/GenAI familiarity, strong written and verbal communication.
AWS Managed Grafana, Managed Prometheus, Kinesis Video Streams, Linux/Unix
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2w
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System Engineer Senior Staff (Level 5)
Huntsville or King of Prussia or Littleton
$128k-$256k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Experienced systems engineer proficient in MBSE (SysML,DODAF), requirements development, verification/validation, trade studies, risk management, cross-discipline collaboration, and able to hold TS/SCI clearance (US citizen).
MBSE, SysML, DODAF, Cameo
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3w
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System Safety Engineer III - Lunar Permanence
Seattle or Brevard County or Denver
$131k-$183k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOEB.S. or equivalent in engineering,2+ years system safety experience,5+ years electronic hardware development experience,FMECAs/FHAs/FTAs experience,MIL-HDBK-217F reliability knowledge,systems engineering skills and strong communication.
Windchill, Ansys Sherlock, PRISM, MIL-HDBK-217F, 217Plus, NPRD, EPRD
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2w
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Distribution System & Project Development Engineer (Senior or Principal level)
Denver, Colorado, United States
$97k-$157k/yr OnsiteFull Time
Xcel Energy
Xcel EnergyNASDAQ: XEL: Provides electricity and natural gas services to multi-state customers.
5+ YOEABET-accredited bachelor’s in engineering required (electrical preferred). 5+ years experience for senior level (or 7+ without EIT/FE); 9+ years with PE for principal level (or 15+ without PE). PE preferred, EIT/FE or PE registration as noted.
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2mo
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PROJECT DEVELOPMENT ENGINEER
Denver, Colorado, United States
$134k-$158k/yr HybridFull Time
City Light & Power
City Light & Power: Operates and engineers high-voltage electrical distribution systems for utilities.
8+ YOEBachelor’s in power systems; 8+ years engineering; PE preferred; experience in sales/BD; substation knowledge; proposal development; MS Project; US citizen/PR; driver's license; travel.
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3w
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AI System Developer III
Lakewood, Colorado, United States
$106k-$131k/yr HybridFull Time
Tallgrass
Tallgrass: Provides midstream energy infrastructure and delivery services.
4+ YOEDesign and implement RAG, multi-agent systems, LLM fine-tuning, model serving, integrations, CI/CD, and AI security; 4+ years IT/AI development experience; Python, SQL, MS Office proficiency; valid driver's license.
Python, MS SQL, Oracle, Microsoft Excel, Microsoft Word, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook, Microsoft .NET, Docker, Kubernetes, MLflow
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1mo
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Lead System Engineer
Orlando or Tampa or Lakeland or Melbourne or Daytona Beach or Las Vegas or Denver or Houston
$70-$75/hr RemoteFull Time, Contract
CAI
CAI: Provides global IT services and contingent workforce management solutions.
7+ YOE2+ Mgmt7+ years full‑stack development, 2+ years lead experience; hands‑on with Oracle/PL‑SQL, APIs/integrations, Microsoft Azure (.NET), Angular, Python; DevOps/CI/CD; experience with AI tools; strong client communication; must have work authorization not requiring sponsorship.
Oracle, PL/SQL, APIs, Microsoft Azure, .NET, Angular, Python, GitHub Copilot, Azure OpenAI, TestGPT, Docker, Kubernetes, CI/CD
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1mo
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Engineer Senior - Systems - Algorithm Development
Westminster or Fairborn or Chantilly or Boulder or Colorado or Ohio or Virginia or United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
4+ YOEB.S. in engineering or related field + 4+ years experience (advanced degree may substitute), experience in computational science and algorithm development, proficiency with MATLAB, Python or C++, system-level engineering, ability to obtain Top Secret/SCI clearance.
MATLAB, Python, C++, GPU, FPGA, High Performance Computing (cluster)
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2mo
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Engineer Principal - Algorithm Development
Broomfield or Fairborn or Chantilly or Colorado or Ohio or Virginia or United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
4+ YOEBS in engineering or related +4 years experience (or equivalent); active Top Secret clearance; experience in computational science, algorithm development for EO/IR, system-level modeling; MATLAB, Python, C++ experience; strong communication skills.
MATLAB, Python, C++, GPU, FPGA, High Performance Computing
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1mo
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Propulsion Development Engineer II
Denver or Centennial
$90k-$130k/yr OnsiteFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
2+ YOEBachelor's in engineering, 2+ years propulsion/fluid systems or test engineering experience, familiarity with pressure system hardware, 3D CAD (NX/SolidWorks/CATIA), data analysis/scripting (Python/MATLAB), and ability to obtain DoD security clearance.
NX, SolidWorks, CATIA, Python, MATLAB
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4d
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Senior Electrical Engineer - Power System Protection
Chattanooga or Atlanta or Orlando or Ann Arbor or Greenwood Village or Walnut Creek or Irvine or Dallas or Chicago or Bloomington or Cary or Houston or Tualatin or Overland Park or Phoenix or Burlington
$149k-$308k/yr HybridFull Time
Black & Veatch
Black & Veatch: Provides engineering, procurement, and construction services for global infrastructure.
11+ YOEBachelor's in engineering, active PE licensure, minimum 11 years related experience, expertise in protection & control, relay setting development, power system modeling, Mathcad and Excel proficiency, knowledge of IEC 61850 and NERC-PRC standards.
ASPEN, CAPE, CYME, ETAP, SKM, SEL AcSELerator Quickset, GE Enervista, Mathcad, Microsoft Excel, DNP, SEL, MMS, Modbus, IEC 61850
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1mo
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Sr. Process Development Engineer - Pyrolysis Test
Fort Lupton or San Francisco or Colorado or Louisiana
$98k-$148k/yr OnsiteFull Time
Charm Industrial
Charm Industrial: Sequesters carbon by converting biomass residues into bio-oil.
7+ YOEBachelor's in engineering, 7+ years process development/scale-up experience with pilot systems, strong heat transfer/reaction engineering/process safety knowledge, hands-on troubleshooting, process modeling, and cross-functional leadership.
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3mo
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IR PLUME Jr. System Engineer: HSV-2678
Colorado Springs, Colorado, United States
$75k-$100k/yr OnsiteFull Time
deciBel Research
deciBel Research: Developing advanced radar and sensor technologies for defense missions.
2+ YOEJunior systems engineer to develop IR signature data; DoD Secret clearance required; STEM degree; 2+ years with Bachelor's or 0+ with Master's; scripting experience in Python/Bash/MATLAB; strong communication and teamwork.
Python, Bash, MATLAB
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2mo
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Ground System Integration Engineer
Arvada or Los Angeles or Washington
$110k-$170k/yr HybridFull Time
Quindar
Quindar: Cloud-native software for automated satellite mission operations.
3+ YOEDevelop and integrate software C2 solutions for satellites; strong software integration/debugging; experience with C2 concepts and satellite protocols; hybrid in Arvada, CO.
Python, C++, Java, Real-time Embedded Systems, Satellite Protocols (CCSDS, CSP, CFDP), XTCE, MIB, AES, AWS, Git
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4w
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Propulsion System Engineer/Software Engineer 2
Centennial or Cape Canaveral
$93k-$155k/yr OnsiteFull Time
United Launch Alliance
United Launch Alliance: Aerospace providing space launch services for satellites.
2+ YOEBachelor's in engineering,2+ years related experience,experience with fluid/cryogenic or pneumatic systems,requirements development,excellent communication,ability to interpret engineering drawings.
Java, Python, Linux
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2w
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Technology Development Engineer | Northwest Region
Fremont or Beaverton or Westminster or Redmond
$140k-$160k/yr RemoteFull Time
TTI
TTINYSE: BRK.B: Distributor of electronic components and supply chain solutions globally.
5+ YOEBachelor's in engineering or 5+ years related experience, valid driver’s license, ~50% travel, strong technical product knowledge, MS Office and distributor systems experience.
iPad, CAM, Product Communicator, Express, BI, OMS, Microsoft Office, Intranet, TTI Web-site
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1mo
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Software Development Engineer - Developer Platform
Boulder, Colorado, United States
$130k-$196k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
5+ YOE5+ years software engineering; 5+ years JVM backend (Java or Kotlin) with Spring Boot; 5+ years TypeScript/JavaScript and React; 3+ years cloud-native (GCP or AWS); Bachelor\u0002s or equivalent experience; EM/agentic system familiarity.
JVM, Java, Kotlin, Spring Boot, TypeScript, JavaScript, React, GCP, AWS, OpenAI-compatible APIs, OpenAI-compatible endpoints, Model Context Protocol (MCP), Cursor, Claude Code, Windsurf, Cline, SSE, WebSockets, Jest, React Testing Library, JUnit, Cypress, LangChain, Kubernetes, Helm, HTML, CSS
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3d
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Senior System Software Engineer - CPU SoC Boot Firmware
Santa Clara or Boulder
$152k-$288k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
5+ YOE5+ years embedded/OS experience, strong C and Python skills, Linux kernel and ARM expertise, experience with boot/firmware development, OS/kernel programming, and safety/security standards.
C, Python, Linux kernel, ARM, Codex
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1w
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Staff Electrical Engineer - Power System Protection
Overland Park or Ann Arbor or Bloomington or Dallas or Denver or Houston or Orlando or Phoenix or Cary or Tualatin
OnsiteContract
OTSI
OTSI: Global IT consulting and digital transformation solutions provider.
5+ YOEBachelor's in engineering, 5+ years transmission experience, protection & control design, relay setting development, system modeling (ASPEN/CAPE/CYME/ETAP/SKM), Mathcad and Excel, IEC 61850, NERC-PRC knowledge, proposal support and project leadership.
ASPEN, CAPE, CYME, ETAP, SKM, Mathcad, Microsoft Excel, DNP, SEL, MMS, Modbus, IEC 61850
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2mo
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Engineer, Load Integration & Model Development
San Francisco or Denver
$120k-$150k/yr OnsiteFull Time
Crusoe
Crusoe: Provides energy-efficient cloud infrastructure powered by stranded and renewable energy.
3+ YOEMaster's in Power Systems with 3+ years experience or Bachelor's with 7+ years; experience in interconnection studies, transmission planning, and system modeling; working knowledge of SPP/MISO procedures; familiarity with TARA, PSS/e, and Sugar.
TARA, PSS/e, Sugar
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