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Added 1 min ago
Senior HRBP Manager, Finance & Strategy
ServiceNow
Santa Clara, CA
It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could…
Added 1 min ago
Executive Assistant
ServiceNow
Remote, United States
It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could…
Added 2 mins ago
DevOps Engineer (Remote)
SmartSuite
Overland Park, KS
As a Senior DevOps Engineer, you will play a critical role in the reliability, security, and scalability of SmartSuite's cloud infrastructure. This is a hands-on engineering position for…
Added 4 mins ago
Senior Program Manager, Operations (Wastewater)
Massachusetts Water Resources Authority
Chelsea, MA
…control. Monitors facility flow control performance and identifies process control…
Added 7 mins ago
M365 Automation & SharePoint Solutions Engineer
E-Infosol LLC
Washington, DC
E-INFOSOL LLC is seeking a motivated and results-driven M365 Automation & SharePoint Solutions Engineer to be a full-time employee in Washington, DC to join our innovative and…
Added 8 mins ago
S
Senior Forward Deployed Solutions Architect, Large Pharma
SAS
UNAVAILABLE, NJ
- $136,948 to $167,380 USD / year
Senior Forward Deployed Solutions Architect, Large Pharma – New Jersey, Remote or US Remote
Added 8 mins ago
Senior Energy Distribution and Management Engineer
Anduril Industries
Santa Ana, CA
Anduril is committed to maintaining the integrity of our Talent acquisition process and the security of our candidates. We've observed a rise in sophisticated phishing and fraudulent…
Added 9 mins ago
Senior Connectivity Systems Engineer
Caterpillar, Inc.
Mossville, IL
The Senior Connectivity Systems Engineer will provide end-to-end technical leadership for the development, integration, and delivery of machine connectivity capabilities. This role will…
Added 9 mins ago
EC
Senior Test Engineer
Eaton Corporation
Woodridge, IL
- $71,000 to $105,000 USD / year
Eaton’s Data Center division is currently seeking a Senior Test Engineer.
Added 9 mins ago
EC
Technical Support Engineer, Distributed Infrastructure (D-IT)
Eaton Corporation
Woodridge, IL
- $69,000 to $101,000 USD / year
…troubleshooting and follow-up. The Technical Product Support Engineer will respond to customer inquiries by following troubleshooting steps, referring to published materials, secondary…
Added 9 mins ago
Senior Fullstack Engineer / .NET / Angular / eCommerce
Kelly Services
Downers Grove, IL
A global industrial technology organization is seeking a full-time Senior Software Engineer to join its E-Commerce engineering team in Naperville, Illinois. This hybrid position focuses on…
Added 10 mins ago
Platform Engineer - Remote
SitusAMC
Springfield, IL
We are seeking a Senior Azure DevOps Administrator to own administration, governance, security, integrations, and continuous improvement of our Microsoft Azure DevOps environment. This role…
Added 10 mins ago
Account Executive (Central)
Verint Systems, Inc.
Springfield, IL
Thoroughly assess the customer’s needs and present the appropriate solution, utilizing the region’s Solutions Engineer(s) as needed.
Added 10 mins ago
Senior Software Engineer - Customer & Vendor Management
Snapsheet
Chicago, IL
We are looking for a Senior Software Engineer to join Snapsheet’s Customer Vendor Management (CVM) team who is passionate about technology, eager to learn, and ready to create impactful…
Added 10 mins ago
Software Engineer III - Performance and Resiliency Engineering
JPMorgan Chase
Chicago, IL
As a Software Engineer III at JPMorganChase within the Consumer & Community Banking, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology…
Added 10 mins ago
RA
Senior Program Manager & Key Client Lead, Data Centers
Ramboll Americas Engineering Solutions, Inc.
Chicago, IL
- $150,000 to $225,000 USD / year
Are you a senior project and client leader who can deepen a strategic data center relationship while delivering complex power infrastructure programs? Do you want to shape an account…
Added 10 mins ago
EG
Quality Assurance Engineer - PHP
Eliassen Group
Springfield, IL
- $40 to $50 USD / hour
Our client seeks a results-driven Senior Quality Assurance Engineer to support Policyholder Portal applications. The role requires manual, automation, mobile, API, and database testing…
Added 12 mins ago
SO
Senior Quality Assurance Engineer
System One
Redmond, WA
- $65 to $70.75 USD / hour
.Global Medical Device company looking to hire experienced Engineer to their team. Must bring experience with Root Cause Analysis, Non Conformances, and CAPAs. This is not an IT Role. Must…
Added 13 mins ago
Senior Manager, Technical Excellence & Escalations
Tenable, Inc.
Headquarters, MD
The Senior Manager, Technical Excellence & Escalations leads the two teams that sit between Technical Support and the rest of the business: the global Technical Excellence team, staffed by…
Added 14 mins ago
Sr AI & Automation Engineer (.NET ideal)
INSPYR Solutions
Deerfield Beach, FL
Need someone to build solutions for executives. Senior engineer responsible for designing, building, and operating AI and automation solutions that streamline high-volume operational work…
Added 14 mins ago
Senior Full Stack Software Engineer
INSPYR Solutions
Menlo Park, CA
Added 15 mins ago
Sr. Machinist Programmer / CNC Programmer
DRT Holdings, LLC
Meriden, CT
Keywords: Sr. Machinist Programmer, CNC Programmer, Senior CNC Programmer, Manufacturing Engineer, Process Engineer, Aerospace Manufacturing, Precision Machining, Mastercam, Siemens NX, NX…
Added 19 mins ago
Senior Industrial Engineer
GXO Logistics
WA · GA
As the Senior Industrial Engineer, 3PL Warehousing Continuous Improvement, you will be responsible for leading process improvement, labor productivity, facility optimization and operational…
Added 22 mins ago
OP
System Engineer 3-BP-021
Onyx Point, Inc.
Hanover, MD
- $78,000 to $250,000 USD / year
·Provide support for the patching systems and hardware problems and remains involved in the resolution process.
Added 23 mins ago
Senior Pre-Sales Infrastructure/Network Design Engineer
ewminds consulting Services
New York, NY
AI-Driven Design Process: Demonstrated use of AI to improve ideation, design execution, prototyping, or productivity.

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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