GN&C Engineer: Lunar Navigation & Autonomy

Craig-Technologies; Houston (TX); On-site; USD 110,000 - 160,000; Full time

Job summary

Craig Technologies is seeking a GN&C Engineer to join our Houston, TX team (also Merritt Island, FL). You will contribute to the GN&C system design, development, and testing for the Lunar Data Network spacecraft, with emphasis on real-time flight software and autonomous fault-tolerant navigation.

The role requires experience in C/C++, EKFs or state estimation, and familiarity with deep-space sensors such as IMUs and Star Trackers.

Qualifications

• Strong communication and documentation skills.
• Ability to think critically and detail-oriented in a fast-paced space environment.
• Experience collaborating across software, hardware, and mission operations teams.

Responsibilities

• Design, architecture development, and verification testing of GN&C systems for LDN spacecraft.
• Develop and test GN&C flight software and control algorithms in C/C++.
• Support selection and integration of GN&C sensors and effectors.
• Run simulations (6-DOF) and Monte Carlo analyses for on-orbit performance.
• Assist HWIL/SWIL sensor integration and testing for LDN constellation.
• Contribute to autonomous fault-tolerant recovery logic for navigation anomalies.
• Apply relative navigation or OpNav techniques for non-Earth GPS scenarios.
• Document architectures and simulation results in reports and presentations.

Skills

Interpersonal communication

Critical thinking

Independent work

Education

Aerospace or Electrical Engineering degree

Tools

JIRA

Git

Job description

Craig Technologies is seeking a GN&C Engineer to join our Houston, TX team (also Merritt Island, FL). You will contribute to the GN&C system design, development, and testing for the Lunar Data Network spacecraft, with emphasis on real-time flight software and autonomous fault-tolerant navigation.

The role requires experience in C/C++, EKFs or state estimation, and familiarity with deep-space sensors such as IMUs and Star Trackers.