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85 computing systems software engineer jobs at 52 companies in Castle Rock, CO

1mo
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Flight Software Systems Engineer
Greenwood Village, Colorado, United States
$100k-$135k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: U.S. space and defense prime building spacecraft and integrated mission solutions for national-security, government, and commercial customers.
2+ YOEBachelor's in computer/electrical engineering or CS,2+ years embedded software experience, proficiency in C/C++,Git/Gitlab,Atlassian JIRA,hardware/software integration skills,and clearance eligibility.
Atlassian JIRA, C, C++, Git, Gitlab, embedded Linux
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2w
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Systems Engineer - Compute and Software Systems
Boulder, Colorado, United States
$156k-$193k/yr OnsiteFull Time
SciTec
SciTec: Firefly defense subsidiary providing remote sensing, missile warning, and mission data processing systems to U.S. warfighters.
5+ YOEBachelor’s or master’s degree in a technical field, 5+ years of systems engineering experience, architecture and requirements expertise, MBSE familiarity, strong communication skills, U.S. citizenship, and ability to obtain a DoD clearance.
Kubernetes, SysML, NIST 800-53
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3w
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Systems Engineer
Bethesda or Colorado Springs
$140k-$170k/yr HybridFull Time
Auria
Auria: Aerospace and defense software serving government and commercial customers across space, missile, and cyber operations.
5+ YOERequires 5+ years in satellite communications and C++ software development, 3+ years in Agile/Scrum, and a BS/MS in computer science, electrical engineering, or systems engineering.
C++, Java, Agile, Scrum, React, Vue.js, TypeScript, JavaScript, HTML, CSS, REST, SQL
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1w
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Systems Engineer
Colorado Springs, Colorado, United States
$69k-$142k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
2+ YOEBachelor's degree in engineering or computer science and 2+ years in software, RF/electrical, or systems engineering. Requires requirements and test development skills; ability to obtain TS/SCI clearance.
Scrum, Agile Software Development Methodology, Cameo, GitLab, Atlassian
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1w
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Systems Engineer
Colorado Springs, Colorado, United States
$69k-$142k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
2+ YOEBachelor’s degree in engineering or computer science, 2+ years of software, RF/electrical, or systems engineering experience, requirements and test procedure development skills, and ability to obtain TS/SCI clearance.
Scrum, Agile Software Development Methodology, Cameo, GitLab, Atlassian, computer networking, MBSE
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3mo
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Senior Software Engineer - Control Systems
Boulder or Austin
$150k-$175k/yr HybridFull Time
Atom Computing
Atom Computing: Quantum computing building scalable neutral-atom computers for enterprise, government, and research customers.
5+ YOEDesign and build high-performance control systems for quantum computing; embedded software, real-time, GPU/FPGA; in-office collaboration with theory/software/hardware teams.
C++, Python, Rust, Go, NVIDIA CUDA, FPGA design, VHDL, Verilog, Linux, CUDA Toolchains
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2w
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Senior Embedded Software Engineer - High-Performance Computing Orchestration
Louisville, Colorado, United States
$165k-$225k/yr HybridFull Time
Infleqtion
InfleqtionNYSE: INFQ: Public quantum-technology building neutral-atom computers, precision sensors, and software for governments, enterprises, and research institutions.
5+ YOEBachelor's degree or equivalent practical experience; 5+ years of embedded software development; C++, C, Rust, or Python; Linux; distributed or high-performance systems; strong debugging and systems fundamentals.
C++, C, Rust, Python, Linux, Slurm, PBS, CUDA, RoCE, RDMA, InfiniBand, CUDA-Q
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4d
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Jr. Software Engineer
Centennial or Colorado Springs or Tucson or Chantilly
$98k-$123k/yr OnsiteFull Time
Rincon Research Corporation
Rincon Research Corporation: Employee-owned defense providing digital signal processing products and services to U.S. defense and intelligence communities.
Bachelor's, Master's, or PhD in Computer Engineering or Computer Science; C++ and Python in Linux; software system design; U.S. citizenship; ability to obtain and maintain TS/SCI clearance.
C++, Python, Linux, Docker, Kubernetes, PIP, React, Git, REST API, CUDA, Shell Scripting, CI/CD, DevOps, Cloud computing, AI/ML, LLM
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2w
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Software Development Engineer III – ECLSS and Crew Systems
Washington or Denver
$165k-$231k/yr OnsiteFull Time
Blue Origin
Blue Origin: Developing reusable space vehicles and infrastructure.
7+ YOERequires a bachelor's degree in software, computer science, aerospace, electrical engineering, or related field; 7+ years developing, verifying, and validating software; C/C++, MATLAB/Simulink, Python, real-time and embedded systems experience.
C, C++, MATLAB, Simulink, Python, Embedded Linux, SPI, I2C, UART, RS-485, Defense Biometric Identification System (DBIDS)
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1w
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Distinguished Software Engineer - NVLink Fusion Software
Santa Clara or Austin or Hillsboro or Durham or Boulder or Redmond
$320k-$489k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Computing platform for AI and accelerated graphics.
16+ YOEBS/MS in computer or related engineering or equivalent experience; 16+ years in system architecture and design; expertise in scalable server systems, accelerator software, management architectures, and protocols.
NVIDIA NVLink, NVIDIA InfiniBand, NVIDIA Grace CPUs, GPU, DPU, FPGA, MCTP, PLDM, RDE, Redfish, IPMI, OCP, DMTF, CXL, UCIE
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2mo
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Senior Software Engineer
Denver, Colorado, United States
$104k-$164k/yr HybridFull Time
CONMED
CONMEDNYSE: CNMD: Public medical device manufacturer supplying surgical equipment and patient-monitoring products to healthcare providers worldwide.
5+ YOEBS in CS/Software/Computer Engineering (or MS), 5–7+ years software development experience, 3+ years embedded systems experience, experience with safety-critical/regulatory software, strong communication and technical documentation skills.
C, C++
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1mo
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(USA) Software Engineer II
Seattle or Denver
$96k-$186k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Global retail, e-commerce, and supply chain.
3+ YOEBachelor's degree in computer science, engineering, information systems, software engineering, or related field, or 3 years of software engineering experience. Requires .NET, C#, databases, microservices, AWS, debugging, and performance tuning.
.NET, C#, MongoDB, NoSQL, AWS, Web Content Accessibility Guidelines (WCAG) 2.2 AA
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3d
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Software Engineer II
Denver, Colorado, United States
$85k-$100k/yr RemoteFull Time
Intelligent Reach
Intelligent Reach: AI-powered ecommerce search, merchandising, personalization, and product-feed software provider serving online retailers.
1+ YOERequires 1–4 years of backend engineering experience, a bachelor's in computer science, software engineering, or equivalent experience, and production Go development. Experience with distributed cloud systems and listed data and deployment tools.
Go, Elasticsearch, Milvus, ScyllaDB, MySQL, Docker, Kubernetes, AWS, Argo, GitHub Copilot, Claude, Gemini, CI/CD
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2w
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UAS Software Engineer
Arlington or Huntsville or Aurora
OnsiteFull Time
Technology Service Corporation
Technology Service Corporation: Employee-owned defense engineering and technology providing consulting and specialized products to government and industry clients.
Associate or bachelor's degree in a related engineering or computer science field; U.S. citizenship; ability to obtain Top Secret clearance; C/C++, Python, MATLAB, or JavaScript; embedded systems and software engineering experience.
C, C++, Python, MATLAB, JavaScript
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2d
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Principal Software Engineer (Autonomy)
Fort Worth or Palmdale or Atlanta or Denver or Huntsville
$160k-$200k/yr OnsiteFull Time
Thompson Software Solutions
Thompson Software Solutions: Private aerospace and defense software engineering consultancy developing safety-critical avionics, mission, cybersecurity, and open-architecture systems.
8+ YOEBachelor's degree in computer engineering, computer science, or related field; 8+ years of software development with embedded systems; C, C++, Java, Python, Bash, Git, Linux, and Windows; Secret clearance eligibility.
C, C++, Java, Python, Bash, ArduPilot, PX4, Git, Linux, Windows, Atlassian Tools, Confluence, JIRA, Bitbucket, MAVLink, Docker, CI/CD, Electronic Medical Records (EMR)
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3mo
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Systems Test Engineer
Colorado Springs, Colorado, United States
$91k-$100k/yr OnsiteFull Time
Viking Enterprise Solutions
Viking Enterprise Solutions: Sanmina's data-center storage division designs and manufactures servers, JBODs, appliances, and solutions for enterprises, OEMs, and resellers.
5+ YOEBachelor's degree in engineering, computer science, or related field; 5+ years of related experience; OS, server/storage architecture, scripting, test automation, networking, hardware/software integration, and defect resolution expertise.
Linux, Microsoft Windows, Unix, Python, Linux Bash, Jira, Bugzilla, Git
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4d
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Software Development Engineer
Westminster, Colorado, United States
$105k-$154k/yr HybridFull Time
Vantor
Vantor: Private U.S. space technology providing satellites, Earth imagery, geospatial intelligence, and space infrastructure to government and commercial customers.
5+ YOEComputer science or engineering degree or equivalent experience; 5+ years developing complex software systems; expertise in Python, Linux, REST/JSON/YAML, and test automation frameworks.
Python, Django, Linux, Ubuntu, RHEL, CENTOS/AL3, REST, JSON, YAML, Cucumber, Gherkin, Behave, K8S, Docker, Jenkins, Helm, Terraform, RabbitMQ, PostgreSQL, Redis, Elasticsearch, Ruby, Go, CI/CD
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3w
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Senior Software Engineer - Backend (.Net)
Cincinnati or Denver
$114k-$172k/yr HybridFull Time
Worldpay
Worldpay: Global leader in payment technology and merchant solutions.
Bachelor’s degree in computer science, computer engineering, or related discipline, or equivalent experience; software development lifecycle, financial operations, systems modeling, solutions design, and requirements definition experience.
.NET
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1w
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Airborne Platform Embedded Software Engineer
Broomfield, Colorado, United States
$88k-$110k/yr OnsiteFull Time
Gogo Business Aviation
Gogo Business AviationNASDAQ: GOGO: Inflight connectivity provider serving business and military/government aircraft with air-to-ground and satellite networks.
3+ YOEBachelor's degree in computer science, computer engineering, or electrical engineering, or equivalent experience; 3–5 years of software development experience, preferably in Linux or embedded systems.
Linux, Node.js, Node Express, npm, AngularJS, ReactJS, RESTful APIs, MongoDB, Mongoose, Python, BASH, Git, TypeScript, Stylus CSS, WebSockets, Redux, Brunch, Yarn, ChaiJS, SinonJS, Nginx, SAFe
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2mo
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Embedded Software Engineer
Colorado Springs, Colorado, United States
$90k-$149k/yr OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNYSE: KEYS: Global electronic design, test, and manufacturing hardware/software solutions.
BS/MS in Electrical or Computer Engineering, experience with embedded systems, microcontrollers, hardware interfaces, OOP, software build/test/debug; familiarity with oscilloscopes, analog design preferred; must meet U.S. export-control eligibility.
Microsoft Visual Studio, C++, Git, Confluence, Jira, Bitbucket
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