Spacecraft GNC Engineer II/III: Design, Simulation & Autonomy

Sierra Space; Centennial (CO); On-site; USD 105,534 - 145,109; Full time

Benefits offered by this job

Medical, dental & vision plans

401(k) with 150% match up to 6%

Life insurance

Job summary

Sierra Space is hiring a mid-level Guidance, Navigation & Control Engineer II to design, analyze, and implement advanced GNC systems for spacecraft. You will develop algorithms, simulate with SIMULINK and STK, and work with flight software in test environments to ensure reliable performance.

The role emphasizes independent work on complex tasks with cross-functional collaboration, ownership of performance requirements, and opportunities to grow technical expertise while contributing to

Qualifications

• Bachelor's degree in aerospace, mechanical, electrical engineering or related field.
• 2+ years in dynamic modeling and GNC algorithm design.
• Proficiency in SIMULINK and STK; experience with C, C++, Python; version control (GIT/SVN).
• Foundational knowledge of GNC algorithms and at least one GNC area (guidance, navigation, control or FDIR).
• Understanding of IMUs, GPS, star trackers, RCS, reaction wheels, magnetic torquer bars, control moment gyros, and LIDAR.
• Ability to obtain and maintain a U.S. Security Clearance.

Responsibilities

• Develop, implement, and evaluate GNC algorithms across guidance, navigation, and control.
• Program and optimize simulations using SIMULINK and STK; analyze sensors and actuators including IMUs, GPS, star trackers, LIDAR, and RCS.
• Run Monte Carlo simulations to identify issues and optimize system performance.
• Validate functionality with GNC flight software in target test simulation environments.
• Document technical findings and communicate results to stakeholders and team members.

Skills

Dynamic modeling

GNC algorithm design

SIMULINK

STK

C/C++

Python

Version control

GNC concepts

Monte Carlo analysis

Education

Bachelor's degree in aerospace/mechanical/electrical engineering

Tools

SIMULINK

STK

C

C++

Python

GIT/SVN

JIRA

Job description

Sierra Space is hiring a mid-level Guidance, Navigation & Control Engineer II to design, analyze, and implement advanced GNC systems for spacecraft. You will develop algorithms, simulate with SIMULINK and STK, and work with flight software in test environments to ensure reliable performance.

The role emphasizes independent work on complex tasks with cross-functional collaboration, ownership of performance requirements, and opportunities to grow technical expertise while contributing to