Software Engineer, Sierra Space
$129.8-178.4k
Office located in Louisville, CO or Centennial, CO
Commercial space company
Be an early applicant
Commercial space company
1001+ employees
Be an early applicant
$129.8-178.4k
Office located in Louisville, CO or Centennial, CO
1001+ employees
Company mission
To build a platform in space to benefit life on Earth.
Role
Who you are
- This advanced position requires expertise in at least one programming language, an advanced understanding of software development principles, and the ability to design and architect complex software systems
- We’re looking for team members who align with our values, mission and goals – while also meeting the minimum qualifications below
- The preferred qualifications are a bonus, not a requirement
- Requires bachelor's degree in a related field (or equivalent work experience in lieu of degree or master's +3 yrs experience)
- Typically, 5+ years of related experience
- Expertise in one to multiple programming languages and advanced understanding of software development principles
- Ability to design and architect complex software systems
- Experience with different software development methodologies such as Agile and Scrum/Kanban
- Strong problem-solving skills
- Ability to mentor and guide other engineer
- The ability to obtain and maintain a U.S. Security Clearance is required
- This position requires the ability to obtain and maintain a U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. citizens may not be eligible to obtain a security clearance
Desirable
- 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 netconf
- Experience with embedded programming including new board build up
- Experience optimizing computer system performance including optimization for timing
What the job involves
- The Software Engineer III role involves designing, developing, and testing software applications for space systems and technologies
- The role includes writing clean, maintainable code, collaborating with team members to understand project requirements, and contributing to the development of innovative software solutions
- Additionally, this position involves mentoring and guiding other engineers, providing technical leadership and support
- In this role, you will design, develop, and test software applications for space systems and technologies while writing clean, maintainable code that adheres to best practices and coding standards
- You will architect and implement complex software systems to meet project requirements and collaborate with team members to understand project needs, contributing to the development of effective software solutions
- Utilizing version control systems such as Git, you will manage code changes and work collaboratively with team members
- You will participate in code reviews to ensure code quality and adherence to development standards, troubleshoot and resolve software-related issues in a timely manner, and document software configurations, processes, and procedures for future reference
- Staying current with industry trends and advancements in software development and space technologies will be essential, and you will mentor and guide other engineers, providing technical leadership and support to foster growth and collaboration within the team
Application process
- This role will remain posted until a qualified pool of candidates is identified
Our take
Sierra Space is developing the next generation of power and infrastructure for the evolving space economy. Over the last three decades, the company and its affiliates have produced more than 4,000 space systems, and achieved 500+ space missions, including to Mars.
The company is closely tied to NASA but had adjusted near-term plans for its reusable Dream Chaser spaceplane, which was originally contracted to provide cargo resupply services to the International Space Station. Now, the company (working with NASA) will fly an initial free-flying demonstration mission, targeted for late 2026. The flight is intended to validate core systems such as autonomous operations, thermal protection, and runway landing, while reducing pressure from ISS certification timelines and gathering data to support future missions.
Alongside this, Sierra Space is expanding its footprint in defense and national security. In 2024, the company won its first Space Development Agency contract to build 18 satellites for the Tranche 2 Tracking Layer and has already completed the first 9 structures ahead of schedule. Supported by its Victory Works manufacturing facility and continued involvement in Orbital Reef, Sierra Space is increasingly positioned as a diversified supplier across civil, commercial and defense space markets.
Steph
Company Specialist at Welcome to the Jungle
Insights
Company
Funding (last 2 of 4 rounds)
Mar 2026
$550m
SERIES C
Sep 2023
$290m
SERIES B
Total funding: $2.3bn
Company benefits
- Medical Coverage: We offer two comprehensive medical plans, a PPO and an HDHP, designed to prioritize the well-being of our team members
- Dental Coverage: HMO and PPO dental plans are aimed at promoting optimal oral health and reducing costs
- Vision Coverage: Our vision plan offers access to a wide range of in-network and out-of-network providers
- Flexible Spending Accounts: Maximize savings and use pre-tax dollars to pay for medical and dependent care expenses
- Health Savings Account: This tax-advantaged savings account allows team members to set aside pre-tax funds to cover qualified medical expenses
- Life and AD&D Insurance: Comprehensive Basic and Supplemental Life and Accidental Death and Dismemberment (AD&D) insurance offers financial protection to your family
- Disability Insurance: Short-term and long-term disability insurance provides wage replacement should you suffer a disability that prevents you from working
- 401K Profit Sharing Plan: Employees may contribute 1% to 100% of base salary up to the annual IRS maximum. Employer match provided with a 5-year vesting schedule
- Employee Assistance Program: Confidential service available 24/7 that provides assessment, counseling, resources and referrals to employees
- Professional Development / Educational Reimbursement Plan: Reimbursement for undergraduate and graduate tuition, books and fees.
Company HQ
Louisville, Colorado
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