• Jobs
  • Startups
  • Hire
LoginSign up
Organization banner, image 1 of 4
Organization banner, image 2 of 4
Organization banner, image 3 of 4
Organization banner, image 4 of 4

Role description

Senior Software Engineer

CesiumAstro logoCesiumAstro
TypeFull-time
WorkplaceOn-site
SenioritySenior
Salary$133,000–$160,000
LocationWestminster, CO
Posted11/13/2026
Engineering

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

We are looking to add a Senior Software Engineer to our team. In this role you will develop, integrate, and maintain software supporting products and platforms. This role applies established software engineering principles to develop software solutions, optimize application performance, and resolve complex software engineering challenges from concept through integration, verification, and production.

Working cross-functionally with software, systems, electrical, hardware, quality, and test engineering teams, this role supports multidisciplinary engineering efforts, contributes to technical investigations, and promotes continuous improvement.

JOB DUTIES AND RESPONSIBILITIES

  • Develop software applications, software components, libraries, system interfaces, and application features supporting product development.
  • Conduct software implementation, debugging, code integration, unit testing, software optimization, and feature development activities.
  • Evaluate software requirements, interface specifications, architecture documentation, source code, and technical documentation to support implementation.
  • Develop and conduct software verification, validation, debugging, integration, and troubleshooting activities.
  • Analyze software test results, system behavior, performance data, and engineering observations to resolve technical issues.
  • Recommend software updates, defect fixes, engineering changes, and corrective actions that improve software quality, reliability, maintainability, and performance.
  • Collaborate with software, systems, electrical, hardware, quality, and test engineering teams throughout software development and integration.
  • Prepare software documentation, technical reports, engineering change documentation, software release documentation, and interface documentation.
  • Participate in code reviews, design reviews, technical investigations, customer support activities, software integration, and software release initiatives.
  • Evaluate software engineering methods, development practices, coding standards, software architectures, and development processes to identify improvement opportunities.
  • Validate compliance with engineering standards, company procedures, customer requirements, and software development best practices.
  • Contribute to continuous improvement initiatives that strengthen software quality, reliability, maintainability, engineering efficiency, and product performance.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

  • Bachelor's degree in computer science, software engineering, computer engineering, electrical engineering, or a related technical field with 5–8 years of related experience, or Master's degree with 3–6 years of related experience, or PhD with 0–3 years of related experience in software engineering, application development, embedded software, software architecture, or a related technical discipline.
  • Strong knowledge of software engineering principles, software development lifecycles, data structures, algorithms, and object-oriented programming.
  • Experience with programming languages, version control systems, integrated development environments, debugging tools, and software optimization techniques.
  • Knowledge of software architecture, software design patterns, operating systems, interface development, and application design.
  • Understanding of software verification, engineering documentation, coding standards, software configuration management, continuous integration, and release management.
  • Proficiency in system integration, automated build processes, software performance optimization, defect resolution, and software quality practices.
  • Proficiency with Microsoft Office Suite including Outlook, Word, Excel, PowerPoint, and Teams.
  • Software development tools, e.g. C, C++, C#, Python, Java, Git, Visual Studio, Eclipse, or equivalent applications.
  • Engineering documentation, project management, and collaboration tools, e.g. Jira, Confluence, Azure DevOps, or equivalent applications.

CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills.  Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.  

 

CesiumAstro is an Equal Opportunity employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

Relevant archetypes

Apply on Lever
Save

Company info

CesiumAstro logo

CesiumAstro

Connect. Detect. Defend.

CesiumAstro builds and delivers space communications systems—at scale. We design, engineer, and manufacture software-defined radios, phased array payloads, and fully integrated satellites that enable real-time, multi-beam, multi-user connectivity across space-based and airborne networks. Our systems are built for mission-critical applications and designed to adapt on orbit. As a vertically integrated manufacturer, CesiumAstro brings RF, digital processing, and satellite integration together under one roof, enabling rapid production, consistent performance, and repeatable delivery. Headquartered in Austin, Texas, with operations in Colorado, California, the United Kingdom, Germany, and Japan, CesiumAstro is building the communications infrastructure modern missions depend on. We’re hiring. Explore open roles at CesiumAstro.com/careers.

Private companyMega roundIn the newsHiring fast
Founded2017
Unlock human wisdom
ThesisTermsPrivacy
HQAustin, United States
Size501-1000 employees
IndustryDefense and Space Manufacturing
Funding
  • Series C · $270M · Feb 2, 2026
  • Series B · $65M · Jun 18, 2024
Investors
Kleiner PerkinsFranklin Templeton Venture FundLavrock VenturesAirbus VenturesFranklin Templeton Blackhorse Fund
Tech stackanaplan, bridge, vx, microsoft-compliance-manager, power-bi, arena-plm, elasticsearch, solidworks-pdm, matlab, tableau
News
  • Austin satellite maker CesiumAstro raises $730M at $4.5B valuation
  • Factory Floor Fridays: Chairman Jovanovic Tours CesiumAstro’s Texas Facility to See EXIM-Supported Jobs at Work

Claim cesiumastro.com

Work at cesiumastro.com? Sign in to claim this org and manage its profile.

© 2026 Saywise Inc.