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# Software Engineer

- **Company:** Sierra Space
- **Location:** Louisville, CO, United States
- **Experience:** Expert
- **Salary:** $43,680.0 - $60,320.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Client Server Models, Configuration Management, Static Program Analysis, Code Review, Software Design Patterns, Linux, Network Configuration and Change Management, Object-Oriented Software Development, Scrum Methodology, Software Tools, Software Engineering, Subversion, Systems Modeling Language, UML, Software in the Loop, Git, Software Version Control
- **Published:** October 29, 2026
- **Apply:** https://www.builtincolorado.com/job/sr-software-engineer-flight-software-clearance-required/11947773?handler=ApplyRedirect

## About the Role

* Requires bachelor's degree in a related field (or equivalent work experience in lieu of degree or master's +6 yrs experience).
 * Typically, 8+ years of related experience.
 * Deep expertise in multiple programming languages and software development principles.
 * 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.
 * An active Top Secret with SCI eligibility U.S. Security Clearance is required.

Preferred Qualifications:

 * Strong technical understanding of C++ and Object-Oriented Programming.
 * Experience implementing client-server applications using socket I/O using TCP/UDP.
 * Experience implementing loosely coupled applications using PUB/SUB messaging.
 * Familiarity with Open Standards such as CCSDS, C2MS, Open Mission Systems (OMS), and Universal C2 Interface (UCI).
 * Experience with spacecraft flight software development.
 * Experience developing mission management and/or payload control software.
 * Demonstrated experience leading a team developing software.
 * Experience with software tools for requirements tracking, code reviews, static analysis, library and artifact repository, and automated build.
 * Knowledge of software development methodologies such as Agile/Scrum.
 * Experience and knowledge of Software Design Patterns.
 * Experience using SysML/UML to create Software Designs
 * Experience testing and debugging on both Software in the Loop (SITL) and Hardware in the Loop (HITL, on target platform) environments.
 * Experience with Source Code Configuration Management platforms (GIT, SVN).
 * Experience developing on Linux.
 * Experience with network configurations including netco.
 * Experience with embedded programming including new board build up.
 * Experience optimizing computer system performance including optimization for timing.

## Description

Manages inventory records, logistics, receiving, stocking, distribution, audits, and cycle counts using MRP systems and inventory databases. Resolves discrepancies, prepares shipping and receiving documentation, operates forklifts, and supports safe material handling. The role requires communication, attention to detail, computer proficiency, and collaboration across departments while identifying and implementing inventory process improvements.
Top Skills: Inventory Management DatabasesMS OfficeMrp Systems
Sierra Space, Leads manufacturing engineering teams and operational excellence initiatives across production operations. Oversees lean and Six Sigma process improvements, automation, CAD/CAM, MES, quality compliance, capital investments, budgets, and cost reduction projects. Partners with operations, quality, and supply chain teams to implement manufacturing solutions, improve efficiency and product quality, and meet production targets. Develops engineering talent and drives continuous improvement and technological transformation.
Top Skills: As9100Cad/CamIndustry 4.0Iso 9001Manufacturing Execution Systems (Mes)Production AutomationSix Sigma

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