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Added 1 min ago
MC
Identity Access Management Security Engineer
MCI Communications Srvs LLC 151
Branchburg, NJ · Ashburn, VA · Irving, TX · Cary, NC
- $101,000 to $194,000 USD / year
Added 1 min ago
Staff Data Engineer
General Motors LLC
Austin, TX · Warren, MI
This is a hands-on individual-contributor role for an engineer who can operate as both a technical driver and an architect. You will take ownership of complex initiatives from discovery and…
Added 1 min ago
Senior Data Engineer
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Austin, TX · Warren, MI
Added 1 min ago
Automation Engineer, Nampa ID
Tractor Supply Company
Nampa, ID
…handling systems across distribution centers. The Automation Engineer partners with vendors, system integrators, maintenance, and operations to keep material flowing safely and efficiently.…
Added 1 min ago
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Senior Manager - Quality Engineering
Oracle
Boise, ID
- $126,200 to $264,100 USD / year
Added 1 min ago
Network Security Engineer Master
GovCIO
Boise, ID
GovCIO is seeking a highly experienced Master Network & Security Engineer to lead the design, operation, troubleshooting, and continuous improvement of enterprise network-security…
Added 1 min ago
Engineer II, Software Assurance, Product Security (Remote)
CrowdStrike
Boise, ID
As a Security Engineer II, you will focus on securing our open-source footprint and upstream dependencies. You will perform technical security assessments of GitHub organizations and…
Added 1 min ago
Site Reliability Engineer (5757)
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Join SMX as a Mid-Level Site Reliability Engineer architecting, automating, and operating high-performance cloud infrastructure for modern AI/ML platforms. In this role, you will bridge…
Added 1 min ago
Protection and Control (P&C) Designer
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Added 3 mins ago
Firmware Engineer - Protection Systems Platforms
Schweitzer Engineering Laboratories, Inc.
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Associate Firmware Engineer $82,000 - $122,900
Added 5 mins ago
Back-End Engineer
HelloGov AI
Miami, FL
We are looking for a talented Back-End Software Engineer to join our on-site engineering team in Miami.
Added 5 mins ago
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Front-End Engineer
HelloGov AI
Miami, FL
- $100,000 to $120,000 USD / year
…platform. We are looking for a talented Front-End Software Engineer to join our on-site engineering team in…
Added 6 mins ago
Air Force Strategic Basing Analyst
LEIDOS, INC.
Washington, DC
…Installation and Mission Support Center (AFMISC), or Air Force Civil Engineer Center…
Added 6 mins ago
Voice Network Engineer
LEIDOS, INC.
Greenbelt, MD
The AEGIS Sector at Leidos is seeking a highly skilled Voice Network Engineer to support NASA's enterprise communications environment. This position plays a critical role in the…
Added 7 mins ago
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Product Engineer-Materials Engineering
ATI
Albany, OR
- $65,700 to $104,800 USD / year
We are currently hiring a Product Engineer to join our Millersburg, Oregon facility reporting to the Manager of the Materials Engineering Team. The Product Engineer position is instrumental…
Added 7 mins ago
Biomedical Engineer 2
Inova
Alexandria, VA
Inova Alexandria Hospital is looking for a dedicated Biomedical Engineer 2 to join the team. This role is Full-time Days working Monday to Friday.
Added 9 mins ago
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Intermediate Data Engineer
Denver, CO · Cedar Rapids, IA
- $77,000 to $95,000 USD / year
The Intermediate Data Engineer is responsible for the development and support of systems, services, and applications required for the collection, storage, processing, and analysis of all…
Added 9 mins ago
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United States
Added 10 mins ago
Program Director, Roads and Highways, Houston
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Added 10 mins ago
Housekeeping Manager -Doubletree by Hilton Portland
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Added 11 mins ago
Network Architect / Senior Network Engineer (Hybrid, USA only)
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Added 11 mins ago
Senior Software Engineer
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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 11 mins ago
Software Engineer (Experienced or Senior)
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Albuquerque, NM
The Boeing Company has an exciting opportunity for a Software Engineer to support the Space Mission Systems (SMS) Rapid Space Capabilities (RSC) portfolio, focused on the Rocky program in…
Added 11 mins ago
Cleared Experienced RD Systems Engineer - ISA Data Management Lead, Onsite
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The opportunity exists for an experienced R&D Systems Engineer to lead Integrated Surety Architectures (ISA) data management activities. The ISA program has qualified multiple systems in…
Added 11 mins ago
Senior/Principal R&D Physics - Quantum/AMO Sensors, Onsite
Sandia National Laboratories
Albuquerque, NM
Design, engineer, and demonstrate sensors that utilize the quantum physics of atomic, molecular, and/or optical (AMO) phenomena, with a focus on manufacturability to allow lower cost, high…

Xona Space Systems

GNC Software Engineer

Burlingame, CA, United States

$165,000 to $190,000 USD / year

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Job details

Pay: $165,000 to $190,000 USD / year
Experience: · 2+ years of professional experience developing GNC software for spacecraft, UAVs, or other autonomous platforms
Posting language: English
Posted: Nov 9, 2026

Original job description

Xona is the navigational intelligence company bringing real-time, centimeter-level certainty to any device, anywhere on Earth.

With Pulsar – the world’s most advanced PNT satellite infrastructure in Low Earth Orbit – Xona will offer a future-proof, backwards-compatible global positioning system optimized for absolute precision, superior power, and robust protection.

We are seeking a GNC Software Engineer to join our Guidance, Navigation, and Control (GNC) team. In this role, you will develop, integrate and validate flight software that enables autonomous operation of spacecraft. You’ll work closely with GNC and Flight Software engineers to deploy estimators, controllers, and state machines in real-time flight environments, supporting missions from simulation through on-orbit or in-flight operation.

WHAT YOU'LL DO

· Develop and integrate GNC algorithms using model-based development processes

· Implement state machines and FDIR (Fault Detection, Isolation, and Recovery) logic for robust autonomous operations

· Develop and maintain GNC software interfaces within the flight software architecture

· Design, implement, and maintain software- and hardware-in-the-loop (SIL/HIL) test campaigns to validate GNC performance and reliability

· Develop unit tests and regression tests to ensure software reliability

· Collaborate with simulation, hardware, and Flight Software teams to support end-to-end GNC system integration and validation

REQUIRED QUALIFICATIONS

· 2+ years of professional experience developing GNC software for spacecraft, UAVs, or other autonomous platforms

· Hands-on experience implementing and testing estimators, controllers, and state machines

· Experience with model-based software development and automatic code generation using MATLAB/Simulink

· Proficiency in C++, Python, and MATLAB/Simulink

· Experience developing unit tests, regression tests, and debugging software in simulation or embedded environments

· Proficiency with Git version control and Linux-based development environments

DESIRED QUALIFICATIONS

· Bachelor’s or Master’s in Aerospace, Mechanical, Electrical, or Computer Engineering

· Experience implementing FDIR strategies and autonomous mode management using state machines

· Hands-on experience with software- and hardware-in-the-loop (SIL/HIL) simulation environments

· Familiarity with continuous integration and continuous deployment (CI/CD) pipelines and automated software testing

· Understanding of spacecraft attitude determination and control systems (ADCS), including sensors, actuators, and onboard estimation and control algorithms.

For U.S. Roles: To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States (i.e. Green Card holder), or other protected individual as defined by 8 U.S.C. 1324b(a)(3).

For U.K. Roles: To comply with U.K. regulations, this role requires Baseline Personnel Security Standard (BPSS) checks, and successful candidates must be eligible to obtain UK Security Clearance (SC).

For Canada Roles: Successful candidates must obtain and hold a security clearance at the reliability status level, and pass security assessment for the Canadian Controlled Goods Program (CGP) and ITAR.

We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

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