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HomeCompaniesStiPrincipal Research Engineer

Principal Research Engineer

Sti · Hawthorne, CA · Active · $157,500–$189,000 / year · Greenhouse

Job facts

FieldValue
CompanySti
TitlePrincipal Research Engineer
Normalized title-
Department / teamAerospace
LocationHawthorne, CA, United States
Work model-
Employment type-
Salary$157,500–$189,000 / year
Statusactive
ATS providerGreenhouse
Posted / first seen2024-11-25 / 2026-05-29
Changed / last seen2026-05-29 / 2026-06-18

Related slices

PageWhat it containsOpen
Company jobsActive postings from Sti.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 Aerospace.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

CompanySti
Sourceb50a1176-54d6-4ed3-b8e2-630318316f46
ATS providerGreenhouse

Description

Systems Technology Inc. (STI) is a private, employee-owned company (ESOP) that provides engineering consulting and product development with a focus on safety. We are a small company that enjoys many of the perks of start-ups, but we have been in business for over sixty years and have an aggressive growth plan. Being part of STI means being a key contributor in the company while working with a team that spans the range of experience from recent graduates to 20+ year tenure. At STI, we look for business partners who want to be part of something special and contribute to a culture built on transparency, friendliness, innovation, ownership and accountability. If you are of a like mind and enthusiastic about solving challenging, real world, relevant problems, we would love to hear from you. As a 100% employee-owned company, STI understands that employees' individual and collective hard work and dedication will lead directly to the success of the company in the long term. An Employee Stock Ownership Plan (ESOP) gives employees an ownership interest in the company that employs them. What You’ll Do: The Principal Research Engineer executes a variety of highly specialized/technical, business development and leadership activities. This individual provides advanced expertise in the areas of modeling, simulation and/or flight control. This person submits government proposals and is involved in commercial client outreach via networking at conferences and meetings. In addition, this person is responsible for leading commercial consulting contracts. The Principal Research Engineer also manages multiple contracts that involve tracking budgets, ensuring successful deliverables, and managing junior engineers. This person actively engages in company process development and participates in BD related activities. This individual may supervise, and mentor select staff engineers. Will report to the Director of Engineering Services. Supports determining top level technical direction in alignment with company vision including short term and long-term strategic goals Along with Engineering Management, defines technical focal point of Business development areas and directs deep technical activities. Serves as Principal Investigator (PI) on both commercial and government programs, with a particular focus on Modeling and Simulation/GNC. Oversee the development of new IP, candidate products, and technical initiatives including executing beyond Phase II for SBIR programs. Manages multiple contracts that involve tracking budgets, ensuring successful deliverables, and managing several engineers. Develops test protocols/procedures, collects and analyzes data, and creates detailed reports. Oversees and executes on technical projects and activities while remaining within established schedule and budget constraints. What you Need: Bachelor of Science Degree and Master of Science Degree in Engineering with 10+ years of experience or Ph.D. with 5 yrs experience in Electrical, Mechanical, or Aerospace Engineering or Applied Mathematics or equivalent field. Proven technical ability and experience in relevant field of Modeling and Simulation, dynamics and controls theory or related discipline/field Strong skills with MATLAB/Simulink, Python, or equivalent. Working knowledge of C/C++ a plus. Experience with stability and control system design and assessment Experience in the aerospace industry required. UAS / UAM experience a plus. Bonus Qualifications: Supervisory skills, a plus. Extensive flight test experience and skillset for assessing vehicle performance, flying, and handling qualities and related system performance. Compensation And Benefits: Systems Technology Inc. offers all employees competitive pay along with a benefits package encompassing the following and more: Medical benefits (HMO – 100% company paid for Employees & Dependents) Dental and vision plans Employee Stock Ownership Plan (ESOP) 401(k) Safe Harbor Retirement Plan and company defined contribution. Flexible spending Accounts (FSA), Dependent Care, and Employee Assistance Program (EAP) Life & Long-Term Disability Insurance Fitness Program Reimbursement and Technology Stipends Tuition Assistance Programs Year-round company sponsored events. Employee rewards and recognition Please note that this job description is intended to provide a general overview of the position and does not include an exhaustive list of responsibilities and qualifications. At Systems Technology Inc. (STI) we aim to attract, retain, and motivate talent that possesses the skills and leadership necessary to grow our business. For this position we are targeting a total compensation pay between $157,500 – $189,000. This is inclusive of base pay, performance bonus and ESOP. Actual compensation offered will be determined by factors such as job-related knowledge, skills, and experience. STI is An Equal Opportunity/Affirmative Action Employer. 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, age or any other federally protected class.

Full job record

Job ID63e6599ee964760872cdec55e6532517d283f3f6
Org ID9400c78b-59c3-4f7f-99a6-f4579505d383
Source IDb50a1176-54d6-4ed3-b8e2-630318316f46
Board IDb50a1176-54d6-4ed3-b8e2-630318316f46
Providergreenhouse
Provider Job Key4416793008
TitlePrincipal Research Engineer
Normalized Title
Statusactive
Activeyes
Location TextHawthorne, CA
DepartmentAerospace
Team
Employment Type
Workplace Type
Remote Policy
CountryUnited States
RegionCA
CityHawthorne
Salary Rawcompensation pay between $157,500 – $189,000. This is inclusive of base pay, performance bonus and ESOP
Salary Min157,500
Salary Max189,000
Salary CurrencyUSD
Salary Periodyear
Source URLhttps://job-boards.greenhouse.io/sti/jobs/4416793008
Apply URLhttps://job-boards.greenhouse.io/sti/jobs/4416793008
First Seen At2026-05-29 23:02:35Z
Last Seen At2026-06-18 07:37:47Z
Last Checked At2026-06-18 07:37:47Z
Last Changed At2026-05-29 23:02:35Z
Inactive At
Source Posted At2024-11-25 21:19:28Z
Source Updated At2026-02-06 16:57:49Z
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=greenhouse/board=sti/date=2026-06-18/2026-06-18T07-37-47-552Z-5dd854022088a0b09e723806ec18ee26f9b59a06bcb639c66af4e7109801c16b.json
Event Fields
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  "last_changed_at": "2026-05-29T23:02:35.114Z",
  "active_status": "active"
}
Parsed Structured
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    "country": "United States",
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  "salary_max": 189000,
  "salary_min": 157500,
  "inferred_at": "2026-06-18T07:37:47.623Z",
  "launch_scope": {
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  },
  "remote_policy": null,
  "salary_period": "year",
  "workplace_type": null,
  "salary_currency": "USD"
}
Extensions
{}
Native Structured
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      "location": "Hawthorne, California, United States",
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  ],
  "language": "en",
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  "metadata": [],
  "updated_at": "2026-02-06T11:57:49-05:00",
  "departments": [
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      "id": 4015320008,
      "name": "Aerospace",
      "child_ids": [],
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  "company_name": "STI",
  "requisition_id": 4127491008,
  "first_published": "2024-11-25T16:19:28-05:00",
  "application_deadline": null
}
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