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HomeCompaniesSpaceXGNC Engineer - Top Secret Clearance

GNC Engineer - Top Secret Clearance

SpaceX · Hawthorne, CA · Active · $125,000–$150,000 / year · Greenhouse

Job facts

FieldValue
CompanySpaceX
TitleGNC Engineer - Top Secret Clearance
Normalized title-
Department / teamSpecial Programs
LocationHawthorne, CA, United States
Work model-
Employment typeRegular
Salary$125,000–$150,000 / year
Statusactive
ATS providerGreenhouse
Posted / first seen2026-02-03 / 2026-05-29
Changed / last seen2026-05-29 / 2026-06-06

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PageWhat it containsOpen
Company jobsActive postings from SpaceX.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Greenhouse.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in Hawthorne.Open
Department jobsActive postings in Special Programs.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanySpaceX
Source12745989-b3cd-42a9-9b2b-6b397bb8e7ad
ATS providerGreenhouse

Description

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. GNC ENGINEER - TOP SECRET CLEARANCE As a guidance, navigation, and control mission design engineer, you will be responsible for designing and implementing physics-based system-of-systems simulation software, capable of capturing complex interactions between a wide variety of space vehicles, ground systems, and environments. You will design CONOPS and drive program-level requirements for large multi-vehicle missions. This is a high-impact role in which you will work across engineering groups, taking extreme ownership of critical trades and design decisions. We are looking for engineers who enjoy solving complex problems, can work effectively in a fast-paced environment, and are passionate about advancing the space industry. RESPONSIBILITIES: Build software tools and construct scenarios to perform system-of-systems performance analysis of architectures that include satellites, sensors, communications, and ground infrastructure Conduct analyses and recommend designs that balance competing requirements Develop 6-DOF dynamics simulation models used for GNC systems analysis and validation Develop physics-based models for simulation of RF communications and sensor systems Assess feasibility of various designs in support of architecture definition Create a library of space and ground systems models, for inclusion in the simulation environment Act as a cross-disciplinary expert, ensuring that the system can meet mission objectives Communicate technical capabilities and analyses with internal stakeholders and external customers Play an integral part of a small team that will continuously iterate on mission design through all phases of the program BASIC QUALIFICATIONS: Bachelor's degree in an engineering discipline or physics 1+ years of professional experience with modeling and simulation Software development experience in C++ or Python PREFERRED SKILLS AND EXPERIENCE: Active Top Secret, Top Secret SCI, or DOE Level Q clearance Demonstrated experience with writing scalable software in a team setting Strong modern software design and development skills Professional programming experience in modern C++ (C++14 and above) Master's degree or PhD in physics or an engineering discipline Demonstrated experience in developing state estimation algorithms Demonstrated experience in RF communication Demonstrated experience in developing and presenting compelling analyses of complex trades Ability to work effectively in a dynamic environment with changing needs and requirements Ability to work independently and in a team, take initiative, and communicate effectively Demonstrated experience in debugging, performance optimization, and test automation Excellent communication skills, both written and verbal ADDITIONAL REQUIREMENTS: This position requires successfully obtaining and maintaining a Top Secret Security Clearance as a condition of employment. While the clearance may not be immediately necessary upon hire, we encourage you to initiate the application process promptly upon accepting this offer. Your ability to secure the necessary clearance is essential for fulfilling key responsibilities of the role. Should you be unable to obtain it, SpaceX reserves the right to modify or terminate your employment to align with operational needs. Note that an active clearance may provide the opportunity for you to work on sensitive SpaceX missions. If so, you will be subject to pre-employment drug and random drug and alcohol testing. Willing to work extended hours and weekends when needed COMPENSATION AND BENEFITS: Pay range: GNC Engineer/Level I: $125,000.00 - $150,000.00/per year GNC Engineer/Level II: $145,000.00 - $175,000.00/per year Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. Those with an active clearance will receive a 10% differential, up to an additional $20,000 annually, once officially briefed into a classified program. Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here . SpaceX is an Equal Opportunity Employer; employment with SpaceX is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, 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. Applicants wishing to view a copy of SpaceX’s Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to [email protected] .

Full job record

Job ID34517e21fec533e82fbce414f1ac29aeede472c6
Org IDef520897-a908-41e4-950a-6abb937c9377
Source ID12745989-b3cd-42a9-9b2b-6b397bb8e7ad
Board ID12745989-b3cd-42a9-9b2b-6b397bb8e7ad
Providergreenhouse
Provider Job Key8397612002
TitleGNC Engineer - Top Secret Clearance
Normalized Title
Statusactive
Activeyes
Location TextHawthorne, CA
DepartmentSpecial Programs
Team
Employment TypeRegular
Workplace Type
Remote Policy
CountryUnited States
RegionCA
CityHawthorne
Salary RawPay range: GNC Engineer/Level I: $125,000.00 - $150,000.00/per year GNC Engineer/Level II: $145,000
Salary Min125,000
Salary Max150,000
Salary CurrencyUSD
Salary Periodyear
Source URLhttps://boards.greenhouse.io/spacex/jobs/8397612002?gh_jid=8397612002
Apply URLhttps://boards.greenhouse.io/spacex/jobs/8397612002?gh_jid=8397612002
First Seen At2026-05-29 22:39:56Z
Last Seen At2026-06-06 19:14:56Z
Last Checked At2026-06-06 19:14:56Z
Last Changed At2026-05-29 22:39:56Z
Inactive At
Source Posted At2026-02-03 18:54:29Z
Source Updated At2026-05-27 15:26:37Z
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=greenhouse/board=spacex/date=2026-06-06/2026-06-06T19-14-53-460Z-30cc421b8ccd6cf19df2a6efb54bb619ef5907ebd9bcc9ab9ac0e86c711d1de5.json
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Extensions
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Native Structured
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