Jobs in the United States

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Geotechnical Engineer
Houston, TX
…The Company employs experienced civil, ocean and mechanical engineering staff in its estimating, production and project management functions. In its over 136-year history, the Company has…
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System Administrator
LEIDOS, INC.
Bluemont, VA
Investigate and resolve escalated hardware, software, operating system, and access-related incidents.
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Principal Linux Systems Administator
LEIDOS, INC.
Aurora, CO
…Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence…
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Voice Network Engineer
LEIDOS, INC.
Greenbelt, MD
Partner with AEGIS engineering teams across NASA centers to modernize voice network services in accordance with established standards and best practices.
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Senior Cost Manager / Quantity Surveyor - Data Center Construction
Turner & Townsend
Richmond, VA
Inform and drive engineering priorities based on cost impact.
Added 1 min ago
Manufacturing Engineer (Associate or Mid-Level)
Boeing Aerospace Operations
Jacksonville, FL
Develops tooling requirements based on manufacturing and engineering requirements
Added 1 min ago
F-15 Project Engineer
The Boeing Company
Berkeley, MO
The Boeing Defense, Space & Security (BDS) business unit is currently seeking a F-15 Project Engineer to support F-15 Software Development and Advanced Programs in St. Louis, Missouri: one…
Added 1 min ago
CSEL Program - Project Engineer (Lead or Senior)
The Boeing Company
Huntington Beach, CA
…interactions. You will integrate and coordinate hardware and software development tasks for a project development lifecycle across internal groups and suppliers. This role is a focal for…
Added 1 min ago
Flight Software Test Engineers (Associate/Experienced/Senior)
The Boeing Company
El Segundo, CA
We are seeking Software Engineers that are passionate about space and excited to work in a multi-disciplined, collaborative engineering environment that supports the design, development,…
Added 1 min ago
Experienced Aerospace Safety Engineer
The Boeing Company
Mesa, AZ
…of Subsystems including Airframe, Electrical, Mechanical and Software. The ideal candidate will have an Engineering degree with 9 or more years of experience in aviation or rotorcraft, and…
Added 1 min ago
Associate Software Test Engineer (P-8 Mission Systems)
The Boeing Company
Kent, WA
The Boeing Company is currently seeking an Associate Software Test Engineer to support our P-8 Mission Systems Software team located in Kent, Washington. This position will focus on…
Added 1 min ago
Senior Aerospace Safety Engineer
The Boeing Company
Long Beach, CA
Experience applying systems engineering principles during the development of complex hardware/software solutions on an aerospace platform
Added 1 min ago
Experienced Aerospace Safety Engineer
The Boeing Company
Long Beach, CA
Experience applying systems engineering principles during the development of complex hardware/software solutions on an aerospace platform
Added 1 min ago
Satellite Payload Systems Engineer - Senior or Principal
The Boeing Company
El Segundo, CA
Our team builds software and hardware-based satellite simulators and emulators in support of the world’s highest-performing satellite systems for U.S. government and commercial customers.…
Added 2 mins ago
Financial Analyst III
FM
Johnston, RI
…insurance company whose capital, scientific research capability and engineering expertise are solely dedicated to property risk management and the resilience of its policyholder-owners.…
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J
Intermediate Data Engineer
Denver, CO · Cedar Rapids, IA
- $77,000 to $95,000 USD / year
Bachelor’s degree in computer science, math, engineering, or relevant technical field
Added 2 mins ago
High Velocity Sales Account Manager
Bedford, MA
AspenTech is a market leader, providing software that optimizes process manufacturing – including oil and gas, petroleum, chemicals, pharmaceuticals and other industries that manufacture…
Added 3 mins ago
Lead Tech Mechanical Engineer
CareFusion 213 LLC (El Paso Plant)
United States
…the imagination and passion of all of us - from design and engineering to the manufacturing and marketing of our billions of MedTech products per year - to look at the impossible and find…
Added 3 mins ago
Ld Tech Mechanical Engineering
CareFusion 213 LLC (El Paso Plant)
United States
…the imagination and passion of all of us - from design and engineering to the manufacturing and marketing of our billions of MedTech products per year - to look at the impossible and find…
Added 3 mins ago
Manufacturing Engineer Intern
RAM Aerospace
St. George, UT
…processes you help develop. If you are a curious, hands-on engineering student interested in applying your technical skills to improve the way mission-critical aerospace hardware is…
Added 3 mins ago
Civil Engineering Intern - Summer 2027
Parsons Transportation Group
GA
Parsons is looking for an amazingly talented Civil Engineering Intern to join our Sandy Springs team!
Added 3 mins ago
Program Director, Roads and Highways, Houston
Parsons Transportation Group
TX
The Mobility Solutions Market provides planning, design, program management, construction management, and software solutions to a wide range of infrastructure clients, mainly in North…
Added 3 mins ago
Cost Engineer (Project Control Sr)
Parsons Transportation Group
TX
Estimating Alignment: Partner with estimators to analyze civil engineering plans, labor productivity rates, and material inputs to refine total cost forecasts.
Added 4 mins ago
Network Architect / Senior Network Engineer (Hybrid, USA only)
Abstra
Remote, United States
…consultative mindset, and the ability to communicate clearly with engineering, operations, project, and stakeholder teams during high-pressure deployment and stabilization…
Added 4 mins ago
Senior Software Engineer
ServiceNow
Santa Clara, CA
Build high-quality, clean, scalable, and reusable code by enforcing best practices around software engineering architecture and processes (Code Reviews, Unit Testing, etc.)

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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