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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - **Company:** Sierra Space - **Location:** Louisville, CO, United States - **Experience:** Expert - **Salary:** $157,000.0 - $215,000.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Adobe InDesign, Agile Methodology, Artificial Intelligence, Communications Protocols, Software Debugging, Linux on Embedded Systems, Embedded Software, Hardware Interface Design, Scrum Methodology, Software Architecture, Real-Time Operating Systems, Ansible, Software Engineering, Software Requirements Analysis, Universal Asynchronous Receiver/Transmitter, Serial Peripheral Interface, Git, Kubernetes, Information Technology, Software Coding, Terraform, Software Version Control, Programming Languages - **Published:** October 13, 2026 - **Apply:** https://www.builtincolorado.com/auth/login?destination=/job/sr-software-engineer/11967192 ## About the Role * Requires Bachelor's degree in a related field (or equivalent work experience in lieu of degree or Masters +6 yrs experience). * Typically 8+ years of related experience. * Deep expertise in multiple programming languages and advanced understanding of software development principles. * Proven ability to design, architect, and implement complex software systems. * Experience with different software development methodologies such as Agile and Scrum/Kanban. * Strong leadership skills to lead a team of engineers. * Ability to make high-level design decisions that will have significant impacts on program cost, schedule, and technical performance. * The ability to obtain and maintain a U.S. Security Clearance is required Preferred Qualifications: * Extensive experience with real-time operating systems (RTOS) or embedded Linux. * Deep knowledge of hardware interfaces and communication protocols (e.g., UART, SPI, I2C, CAN). * Proficiency with advanced debugging tools and techniques specific to embedded systems. * Experience leading large-scale projects or significant contributions to complex software initiatives. * Strong ability to stay current with new technologies and methodologies. * Familiarity with the complete software development life cycle (SDLC) and its various processes. * Understanding of memory, timing, and throughput constraints in an embedded system and ensure robust and sound designs that address these issues., Design, architect, develop, test, and troubleshoot complex flight software for space systems. Write maintainable code, participate in code reviews, document software processes, and use version control. Provide technical leadership and mentorship while making high-level design decisions affecting program cost, schedule, and performance. Work with spacecraft flight software, embedded systems, networking, messaging, and software-in-the-loop and hardware-in-the-loop testing. Top Skills: C++C2MsCcsdsGitHardware-In-The-LoopLinuxOpen Mission SystemsPub/Sub MessagingSoftware-In-The-LoopSvnSysmlTcpUdpUmlUniversal C2 Interface ## Description About the RoleThe Senior Embedded Software Engineer role at Sierra Space brings extensive experience and deep expertise to the design, development, and architecture of complex embedded software systems. This role requires strong leadership abilities to guide a team of engineers and the capability to make high-level design decisions that significantly impact program cost, schedule, and technical performance. The position is critical in driving innovation and ensuring the reliability and performance of embedded systems while working both independently and collaboratively. Additionally, the role involves evaluating and integrating new technologies and tools to enhance software development processes, contributing to the continuous improvement of the engineering team's capabilities. In this role, you will design, architect, and develop complex embedded software systems, ensuring reliability and scalability. You will write clean, maintainable, and efficient code in multiple programming languages, adhering to best practices and coding standards. Debugging and troubleshooting critical software issues will be central to your responsibilities, ensuring smooth functionality and system performance. Collaborating with cross-functional teams, you will ensure software meets system requirements and performance standards. You will utilize version control systems such as Git for software development and collaboration, enabling seamless teamwork and code management. Additionally, you will document software architectures, designs, specifications, and development processes comprehensively for future reference and team alignment. Mentoring and guiding junior and intermediate engineers will be an integral part of your role, promoting best practices and fostering professional growth. Leading and implementing various software development methodologies such as Agile and Kanban, you will maintain an organized and efficient workflow. Furthermore, you will evaluate and integrate new technologies and tools to enhance software development processes, driving innovation and continuous improvement. Providing leadership in design reviews, you will make high-level design decisions that significantly impact program cost, schedule, and technical performance, ensuring successful outcomes for challenging and impactful projects.About You Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower - to join us in this critical mission., Design, architect, develop, debug, and document complex safety-critical flight software and embedded systems. Lead design reviews, make high-impact technical decisions, mentor engineers, and guide Agile or Kanban development. Collaborate cross-functionally to meet system requirements, integrate technologies, maintain CI processes, and ensure reliability, performance, and scalability for space missions. Top Skills: Arinc 653CanContinuous IntegrationDevOpsEmbedded LinuxGitI2CMil-Std-1553RtosSpiUartVxworks Sierra Space, Design, implement, and maintain secure software development environments, CI/CD pipelines, Kubernetes deployments, and infrastructure across on-premises, cloud, and air-gapped environments. Build infrastructure with Terraform or Ansible, implement observability, integrate security throughout the development lifecycle, and improve reproducible software delivery. Collaborate with development teams, mentor engineers, troubleshoot complex systems, and support stringent compliance requirements. Top Skills: AnsibleAWSAzureBashBig Bang FrameworkC/C++Ci/CdDockerElk StackGCPGitGitlabGitopsGrafanaInfrastructure As CodeKubernetesLinuxPrometheusPythonTerraformWindows What you need to know about the Colorado Tech Scene With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation. Key Facts About Colorado Tech * Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey) * Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3 * Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech * Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook) * Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures * Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute