Principal Spacecraft GNC Engineer

Responsibilities

• You will also directly interact with customers to ensure mission success.
• Lead architect responsible for GNC design, modeling, and analysis for a wide variety of spacecraft and space missions to include LEO, MEO, GEO, and RPOD
• Design of flight software, algorithms, and simulation product
• Development of spacecraft autonomy tools for constellation management
• GNC component selection and GNC subsystem design
• Test process development and execution
• Define fault detection and response
• Hardware-in-the-loop and Monte Carlo simulation
• Integration of flight and simulation software with modern analysis, test, and operations tools
• Support internal and external design reviews
• Work with department leads and program managers to plan and maintain team schedule and milestones and report technical status

Requirements

• Bachelor's or Master's degree in Aerospace Engineering, Electrical Engineering, or a related field, advanced degrees preferred

15+ years of industry experience in GNC/ADCS

• 5+ years of industry experience developing/operating spacecraft/satellites
• Prior experience leading a team of three or more direct reports
• Prior experience directly interfacing with aerospace customers in the commercial or government sectors

Experience in Jira planning and workflow

• Demonstrated experience developing, implementing, and verifying flight software
• Demonstrated experience with spacecraft on-orbit operations and anomaly resolution
• Prior experience leading a team across a project lifecycle
• Prior experience working multiple projects simultaneously and determining priorities for a team
• Experience with GNC-related Business Development or conceptual design work

About the Role

The

Principal Guidance Navigation and Control (GNC) Engineer is responsible for leading GNC development for Apex’s growing fleet of spacecraft platforms. You will demonstrate a firm grasp of spacecraft GNC concepts and applications. You will work with all facets of the engineering life cycle: spacecraft concept and algorithm development, flight software implementation, subsystem requirements development, detailed GNC design, subsystem integration & test (I&T), and vehicle I&T. You will be responsible for planning and maintaining the development schedule to support the Space Systems Control Software organization in executing leading edge programs and products. You will work closely with related teams, including Systems, Avionics, Flight Software, Mission Operations, and Ground Software.

Requirements

• Hands-on experience with IMU, reaction wheels, star trackers, gyroscopes, and other GNC hardware
• Experience developing blended attitude solutions from a variety of sensor data
• #LI-HC1

Why Join Apex?

Apex believes in creating a work environment that you look forward to embracing every day. Our employees love working at Apex, and we want you to love it too. We're a fast-growing startup that has raised more than $500M in funding, and we invest heavily in our people from day one.

Shared upside

Receive equity in Apex, letting you benefit from the work you create

Best-in-class healthcare

100% company-paid medical, dental, and vision for you and your dependents, plus $100k life insurance at no cost

Comprehensive PTO package

Starting at 15 days vacation, growing to 20+ days annually, plus 10 paid holidays

Competitive 401(k) plan

Generous matching - 100% match on first 3%, 50% on next 2%

8 weeks paid parental leave

Plus childcare reimbursement up to $350/day for work-related travel

Daily catered lunch and unlimited snacks

To keep you fueled throughout the day

Vibrant community

Monthly office socials, pickleball tournaments, run club, and gatherings for you and your family

Your dream desk setup

All the tools you need to be your most productive self

World-class Playa Vista office

With the benefit of in-person collaboration with amazing coworkers and flexibility to integrate work and life

Real impact opportunity

Work alongside experts from aerospace, new space, and other cutting-edge industries to make a lasting difference

Additional Information

Compensation ranges are set by role, level, location, and alignment with market data. A candidate's specific level and base pay are determined case by case and may vary with job-related skills, education, experience, technical capabilities, and internal equity. Beyond base salary, full-time hires are also eligible for long-term incentives in the form of stock options, along with medical, dental, and vision coverage and a 401(k) retirement plan.

ITAR Requirements

Apex's work is governed by U.S. export control laws, including the International Traffic in Arms Regulations (ITAR) and the Export Administration Regulations (EAR). To be eligible for this role, applicants must either (1) qualify as a U.S. Person, meaning a U.S. citizen or national, a lawful permanent resident (green card holder), a refugee admitted under 8 U.S.C. § 1157, or an individual granted asylum under 8 U.S.C. § 1158, or (2) be able to obtain the required export authorizations from the U.S. Department of State, the U.S. Department of Commerce, or another applicable U.S. government agency. You can learn more about ITAR here

Equal Opportunity Employer

Apex Technology, Inc. is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Candidates and employees are always evaluated based on merit, qualifications, and performance. We will never discriminate on the basis of race, color, gender, national origin, ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status.