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Added 1 min ago
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Engineer, Primary Container Testing, Characterization & Qualification - Biopharma/Medical Device - (JP16093)
3 Key Consulting
Thousand Oaks, CA
- $40 to $46 USD / hour
3 Key Consulting is hiring an Engineer with exposure to container closure integrity (CCI), sterile product manufacturing, pharmaceutical packaging, or analytical test methods, for a…
Added 1 min ago
Software Engineer III
Yum!
Irvine, CA
The SOFTWARE ENGINEER III is responsible for developing, testing, deploying, and supporting scalable software and integration services within Taco Bell's Customer Middleware platform,…
Added 1 min ago
P
Content Designer
Perplexity
San Francisco, CA · New York City, NY
- $240,000 to $300,000 USD / year
You're a designer first? You're an engineer first? You're a writer first? Your shape is not conventional, and you wear many hats. You are fluent in AI tooling. You have strong UX…
Added 2 mins ago
Systems Test Engineer
Philips
New Kensington, Pennsylvania, United States, PA
The Systems Test Engineer designs, develops, evaluates, and conducts integration, testing, and verification activities of (elements of) products with a focus on mechanical, electrical, and…
Added 3 mins ago
Firmware Engineer
Mirion
Melbourne, FL
The Embedded Firmware Engineer I will support the development and sustaining engineering of embedded systems used in radiation measurement and medical-device instrumentation. This…
Added 3 mins ago
Software Engineer Internship - Winter 2027
DataVisor
Mountain View, CA
…them from the ever-increasing risk of fraud. Our award-winning software is powered by a team of world-class experts in big data, security, and scalable infrastructure. Our culture is open,…
Added 4 mins ago
Integrated Control Systems Engineer (Software)
Rolls-Royce
United States
"Launch" into Integrated Control Systems Engineer (Software)
Added 4 mins ago
Staff Software Engineer, Cortex AI Functions
Snowflake
Bellevue, WA
8+ years of relevant experience in software engineering, applied machine learning, or database systems, including independently leading multi-engineer projects from definition through…
Added 5 mins ago
Lead Product Architect
Wolters Kluwer DXG U.S., Inc.
Coppell, TX
The ideal candidate combines deep expertise in software architecture, cloud-native engineering, distributed systems, and AI-powered application design with a strong understanding of modern…
Added 5 mins ago
Principal Software Engineer
Partners Capital
Boston, MA
Partners Capital is seeking a talented principal software engineer to join our Boston development team where the impact will be immediate and tangible. As a fast-growing company, we seek…
Added 6 mins ago
DevOps Engineer, Temporary
SRC, Inc
Syracuse, NY
SRC, Inc. is seeking a part time temporary DevOps Engineer, you will help design, build, and support the tooling and infrastructure that enable rapid, secure software delivery across SRC’s…
Added 6 mins ago
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Inside Solution Engineer - Edge AI and Advanced Compute Practice
HP
Fort Collins, CO
- $83,000 to $127,800 USD / year
· Maintain representative lab configurations and test new platforms, firmware, drivers, software releases, and ISV integrations against field use cases.
Added 7 mins ago
Lead Software Engineer-Marketing Technology
AAPC
Remote, United States
AAPC seeks a hands-on lead software engineer to help build and evolve the customer-facing digital products, e-commerce experiences, and marketing technology that take people from discovery…
Added 8 mins ago
MK1-Avionics Harness Design Engineer II
Blue Origin Personnel, LLC
Space Coast, FL
Create 3D routed harness data files utilizing Creo (Pro/Engineer) Cabling
Added 8 mins ago
MK1-Avionics Sr Harness Design Engineer
Blue Origin Personnel, LLC
Space Coast, FL · Huntsville, AL · Denver, CO · Los Angeles, CA
Create 3D routed harness data files utilizing Creo (Pro/Engineer) Cabling
Added 8 mins ago
Launch Operations Engineer (All levels)
Blue Origin Personnel, LLC
Space Coast, FL
This role is part of Blue Origin Operations, which is comprised of Integrated Supply Chain, Test Operations, Safety, Quality, and Mission Assurance. This includes Manufacturing and Supply…
Added 8 mins ago
Vehicle operation engineer II –New Glenn 9X4 Mechanical Sub System
Blue Origin Personnel, LLC
Space Coast, FL
…subsystem, including CONOPS, functional architecture, components, software, and integrated interactions. You will follow the development component hardware, autonomous software, and…
Added 8 mins ago
Project Engineer
Honeybee Robotics, LLC
Longmont, CO
Proficiency in engineering software and tools.
Added 8 mins ago
Tooling Design Engineer II
Blue Origin Personnel, LLC
United States
This role is part of Blue Origin Operations, which is comprised of Integrated Supply Chain, Test Operations, Safety, Quality, and Mission Assurance. This includes Manufacturing and Supply…
Added 8 mins ago
Mechanical Engineer II (Valve Design) - New Glenn
Blue Origin Personnel, LLC
United States
Contribute to all aspects of mechanical design, including requirements definition, layouts, component selection, modeling, drafting, manufacturing, and test planning.
Added 9 mins ago
UG
Software Engineer (Full Stack Developer) - Remote
UnitedHealth Group
Austin, TX
- $72,800 to $130,000 USD / year
We are seeking a highly motivated Software Engineer (Full Stack Developer) to design, develop, and support modern enterprise web applications. In this role, you will work across the full…
Added 9 mins ago
Senior Software Engineer - Golang
Credit Acceptance Corporation
WA
Design and develop software and improve existing code to make it more efficient to detect bugs in the code
Added 11 mins ago
Senior Software Engineer
FanDuel
Jersey City, NJ
As a Senior Software Engineer within FanDuel’s Risk and Trading Technology team, you will be an essential part of a cross functional agile team that directly impacts our business. You will…
Added 11 mins ago
Quantitative Software Engineer
FanDuel
Jersey City, NJ
As a Software Engineer within FanDuel’s Trading Solutions team, you will be an essential part of a cross functional agile team that directly impacts our business. You will work…
Added 12 mins ago
Software Development Engineer Intern
Boston Scientific
Waltham, MA
As a Software Development Engineer Intern, you will join a highly effective development team working in an Agile environment alongside cross-functional partners. You will contribute to the…

CesiumAstro

Staff Flight Software Engineer

Westminster, CO, United States

$158,000 to $189,000 USD / year

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Job details

Pay: $158,000 to $189,000 USD / year
Experience: Minimum of 8 years of industry experience in spacecraft software development.
Posting language: English
Posted: Nov 4, 2026

Original job description

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 Staff Flight Software Engineer to our Internal Missions team. If you enjoy working in a startup environment and are passionate about developing software for leading-edge communications satellites, we would like to hear from you.

In this position, you will be responsible for the CesiumAstro satellite flight software and software-in-the-loop testing through all stages of the development process. Your work will include developing software to monitor, test, and control spacecraft subsystems such as attitude, command and data handling, navigation, thermal, and power. The ideal candidate will be an experienced spacecraft software engineer, motivated to develop every aspect of space mission software from Linux-based satellite operating systems to low-level embedded products. You will work and learn from a cohort of senior and principal software engineers. You will use your experience to direct, mentor, and grow a team of motivated spacecraft engineers in the development of a new satellite system.

As a CesiumAstro team member, you will work on a small team to develop satellites and put them in orbit. You will be responsible for software design to include initial architecture and block diagrams, requirements definition, implementation, code review, and validation and verification. You will need to identify simplifying solutions to simulate complex problems and explain key results and decisions to the team.

JOB DUTIES AND RESPONSIBILITIES

Design and implement software to build and integrate mission systems including satellites, ground stations, and mission operations centers.
Design, develop, code, test, debug, and document system software.
Review code and system designs.
Analyze code for efficiency, stability, and scalability.
Integrate and validate new product designs.
Support software quality assurance and optimize I/O performance.
Provide post-production/in-orbit customer support.
Interface with hardware design and development engineers.
Assess third party and open-source software.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

Bachelor of Science (BS), Master of Science (MS), or Doctorate (PhD) degree in Software or Computer Engineering from an accredited university or institution.
Minimum of 8 years of industry experience in spacecraft software development. A Master's degree may count as two years of experience.
Experience in hands-on development and troubleshooting of software systems and hardware (such as motors, power distribution units, etc.).
Experience with C, C++, Python, or other languages in an aerospace context.
A strong understanding of space missions from conception through flight and disposal.
Familiarity with spacecraft mission design including events, pointing modes, maneuver planning, sequencing, and operations.
Experience with spacecraft failure in post-CDR testing and on-orbit, root cause analysis, and recovery.
Experience with design for reliability, spaceflight redundancy, and fault detection, identification, and recovery.
Space software experience with attitude dynamics, coordinate frame transformations, vector mathematics, radiative heat transfer, spacecraft propulsion, space communication systems, and power systems.
Experience with communication protocols such as TCP/IP or UDP for use in software-in-the-loop and hardware-in-the-loop lab development and for use in space flight.
Experience in interfacing a variety of open-source software to create an integrated system.
Embedded software experience, particularly for space missions.
Ability to implement physical first principles as scripts or spreadsheets.
Experience with processes for software release, revisioning, and configuration.
Familiarity with configuration management tools, defect tracking tools, and peer review.
Experience with trades and processes for handling radiation tolerance in software on automotive grade parts.
Familiarity with systems for continuous integration, test, and delivery.
Excellent understanding of multi-threaded applications and resource management.
Excellent written and verbal communication skills.

PREFERRED EXPERIENCE

CubeSat and SmallSat experience including LEO, MEO, GEO, and beyond.
Hands-on experience with spacecraft instrumentation, subsystems, and test labs.
Experience with JPL F’, NASA cFS, and other commercial space software frameworks.
Experience with ground system software engineering for space missions.
Experience in a team leadership role on a space software program.
Experience in other non-space safety critical software programs.
Experience with network security.

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.

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