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Added 7 mins ago
GA
Sr Staff Applications Operations Engineer – Engineering Tools Automation & AI Ops
GE Aerospace
Anchorage, AK
- $131,000 to $174,000 USD / year
Serve as the senior technical operations authority across engineering application pods (software, hardware and electronic design, and project and portfolio management tools) for US and UK…
Added 25 mins ago
Sr Ground Sys Engineer I, Mech 5672562003 Stennis
Rocket Lab USA
Stennis Space Center, MS
Added 27 mins ago
Electronic Warfare DevOps Engineer
Dynetics, Inc
Huntsville, AL
Adaptable and willing to be present with hardware during test events and to support repairs/diagnostics
Added 32 mins ago
RE
Network Administrator I
Rochester Electronics, LLC
Newburyport, MA
- $63,000 to $85,680 USD / year
Assist and support the Network Engineer with projects, upgrades, maintenance, and troubleshooting.
Added 1 hour ago
Image Sensor Characterization Engineer
MIT Lincoln Laboratory
Lexington, MA
…Our group is seeking to hire an Image Sensor Characterization Engineer to test visible and short-wave infrared band charge-coupled device (CCD) and active-pixel sensor (APS)…
Added 1 hour ago
INTERDISCIPLINARY ENGINEER
Strategic Systems Programs Office
Pittsfield, MA
…development, installation and operational support of COTs based hardware and software used by Fleet personnel You will assist SPSP engineers with ensuring security considerations are made…
Added 1 hour ago
Assembly Technician III
Excelitas Technologies
Billerica, MA
Perform operational test and fault isolation on systems and equipment, or manufacturing process - basic trouble-shooting. Assist in the design, construction, test and check-out of test…
Added 1 hour ago
ET
Assembly Technician IV
Excelitas Technologies
Billerica, MA
- $32.06 to $39.6 USD / hour
Perform operational test and fault isolation on systems and equipment, or manufacturing process - basic trouble-shooting. Assist in the design, construction, test and check-out of test…
Added 1 hour ago
Manufacturing Systems and Simulation MP&P Engineer
The Boeing Company
North Charleston, SC
Advanced Production and Automation is seeking a Manufacturing Systems and Simulation MP&P Engineer – Modeling & Simulation (Mid-Level or Lead) for the Production System Modeling, Simulation…
Added 1 hour ago
System Administrator
City of New York
New York City, NY
- Creating and maintaining build pipelines for continuous integration and continuous deployment of test-ready code to QA and production environments
Added 1 hour ago
Senior Embedded Software Engineer, Viasa
Viasat, Inc.
Marlborough, MA
This is a role for an Embedded Software Engineer within Viasat Government - High Assurance Encryption Systems experienced in the Rust programming language who is eager to contribute to a…
Added 1 hour ago
Embedded Rust Software Developer, Viasat
Viasat, Inc.
Marlborough, MA
This is a role for an Embedded Software Engineer within Viasat Government - High Assurance Encryption Systems experienced in the Rust programming language who is eager to contribute to a…
Added 2 hours ago
First Article Inspection Systems Engineer- Mid Level
Leidos
Huntsville, AL
…with the production element. You'll collaborate with Quality, Hardware Development, Integration, and Test, and Scheduling teams while gaining hands-on experience in production systems…
Added 2 hours ago
Process Engineer
Leidos
Huntsville, AL
We are seeking a motivated, hands-on Process Engineer to support in the development, implementation, and ramp-up of a new, state-of-the-art electronics manufacturing facility. This position…
Added 2 hours ago
Embedded Software Test Engineer
Leidos
Huntsville, AL
The Embedded Software Test Engineer will support testing and validation activities for embedded systems within complex technical environments. The ideal candidate willpossessextensive…
Added 2 hours ago
Embedded Software Test Engineer
Leidos
Huntsville, AL
The Embedded Software Test Engineer will support testing and validation activities for embedded systems within complex technical environments. The ideal candidate willpossessextensive…
Added 2 hours ago
Test Engineer
DRAEGER MEDICAL
Andover, MA
Draeger is looking for a Test Engineer to work onsite in our Andover, MA location.
Added 2 hours ago
T
Mid-level Enterprise Systems Engineer
TEKsystems
Mason, MI
- $45 to $55 USD / hour
Plan, design, test, implement, troubleshoot enterprise server and storage systems
Added 2 hours ago
Sr. Manufacturing & Controls Engineer
Clarios
Saint Joseph, MO
The Sr. Manufacturing & Controls Engineer will ensure production equipment operates safely, reliably, and efficiently. This role will manage and support manufacturing projects of varying…
Added 2 hours ago
ADAS Embedded SW Engineer
Ford Motor Company
Dearborn, MI
Define the test setup required to support validation and verification activities. For example, identify the equipment, tools, licenses, hardware, test systems (i.e. HiL), etc... needed and…
Added 2 hours ago
ADAS Verification & Validation - System HIL Engineer
Ford Motor Company
Dearborn, MI
…Braking, Cross Traffic Alert, and Surround View Camera via Hardware in the Loop (HIL) and Vehicle in the Loop (VIL) testing. The team integrates models, hardware and software to build a…
Added 2 hours ago
VV
Lead Systems Engineering I Systems Integration Test
Veracity Ventures Inc.
Rochester, NY
- $140,000 to $178,000 USD / year
…assessment capabilities, and experience developing specialized hardware and software test…
Added 2 hours ago
Systems Engineer Senior (Level 3)
Lockheed Martin
Highlands Ranch, CO
…total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product…
Added 2 hours ago
AE
Electronic Engineer
Advanced Energy Industries, Inc
Fort Collins, CO
- $90,000 to $120,000 USD / year
Added 2 hours ago
Electrical/Test Engineer II
Lockheed Martin
Littleton, CO
Develop hardware requirements from subsystem to all locally assigned support equipment test systems.

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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