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Subsystem Test Engineer

Los Angeles,CA

966 Subsystem Test Engineer jobs in Los Angeles,CA

New, Posted 15 hours ago
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Manufacturing Engineer II, Subassemblies

Relativity Space

Long Beach, CA 90805

~ 29 min Onsite

  • Degree in engineering or a related technical field, with 2+ years of hands-on experience building and testing hardware in a manufacturing or integration environment
  • Own hardware from design release through build, test, and delivery for vehicle sub-systems, taking full responsibility for execution readiness and product quality across high-volume subassemblies
  • Develop and release detailed build flows, work instructions, and test procedures to enable repeatable, high-quality execution across first builds and maturing programs
  • Support first article builds in a fast-paced environment, focusing on manufacturability, repeatability, and quality, while developing scalable processes that enable a smooth ramp to higher production rates
  • Provide hands-on floor support during build and test, resolving issues in real time, incorporating technician feedback, and driving continuous improvement across hardware flow and process discipline
  • Coordinate across design, supply chain, production, and test teams to ensure part readiness, tooling availability, schedule alignment, and smooth handoffs between build stages
  • Contribute to the development of long-term manufacturing systems and infrastructure, including tooling strategies, ERP/MES workflows, and production documentation standards
  • Skilled at investigating hardware issues, resolving non-conformances, and driving root cause analysis with corrective actions implemented effectively
  • Familiar with general assembly and test procedures, including tolerance stack-up analysis, structural proof testing, and pressurized leak checks
  • Comfortable interfacing across design, manufacturing, supply chain, and test teams to ensure hardware quality and schedule alignment
  • Self-starter who can define and roll out new processes from scratch, working collaboratively with technicians, engineers, and external vendors
  • Proficient in GD&T;, CAD, and basic design or test analysis, with experience in at least two of the following: LOX cleanliness, leak checking, sensor checkouts, tube bending, tool design, crane operations, or subassembly builds
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New, Posted 1 day ago
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Principal Test Systems Engineer (onsite Tucson, AZ)

Raytheon

Los Angeles, CA 90011

OnsiteFlexible ScheduleHealth InsurancePaid Time OffRetirement Benefit

  • Active and transferable U.S. government issued security clearance is required prior to start date
  • U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
  • Security Clearance Type: DoD Clearance: Secret
  • Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date
  • Bachelors in Science, Technology, Engineering, or Mathematics (STEM) with a minimum of eight (8) years of directly related engineering experience
  • Or a STEM Masters with 6 years related experience
  • Experience in Systems Engineering or other Engineering discipline such as but not limited to emphasis in test requirements development, test methodologies, test requirements documents, integration, verification, and/or validation for test
  • Experience with developing, decomposing, and/ or managing system requirements across a product lifecycle such as design and transition to production
  • Experience with test related activities throughout the product lifecycle
  • Experience with Model Based Engineering processes, techniques, and tools (Rhapsody and IBM Rational Model Manager and/or Cameo Systems Modeler/Enterprise Architect and Teamwork Cloud preferred, and experience with Systems Modeling Language (SysML), and/or Unified Modeling Language (UML)
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New, Posted 8 hours ago
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Test Equipment Testability Engineer II

Raytheon

Los Angeles, CA 90011

OnsiteFlexible ScheduleHealth InsurancePaid Time OffRetirement Benefit

  • Bachelor's degree in Electrical Engineering
  • A minimum of two (2) years of prior relevant experience
  • Active and transferable U.S. government issued security clearance is required prior to start date
  • U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
  • DoD Clearance: Secret
  • Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date
SmartExplore AI is experimental.
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Manufacturing Engineer II, Integration & Test

Relativity Space

Long Beach, CA 90805

~ 29 min Onsite

  • Degree in engineering or a related technical field, with 2+ years of hands-on experience building and testing hardware in a manufacturing or integration environment
  • Self-starter who can define and roll out new processes from scratch, working collaboratively with technicians, engineers, and external vendors
  • Proficient in GD&T;, CAD, and basic design or test analysis, with experience in at least two of the following: LOX cleanliness, leak checking, sensor checkouts, tube bending, tool design, crane operations, or subassembly builds
  • Skilled at investigating hardware issues, resolving non-conformances, and driving root cause analysis with corrective actions implemented effectively
  • Familiar with general assembly and test procedures, including tolerance stack-up analysis, structural proof testing, and pressurized leak checks
  • Comfortable interfacing across design, manufacturing, supply chain, and test teams to ensure hardware quality and schedule alignment
  • Own hardware from design release through build, test, and delivery for engine or vehicle systems, taking full responsibility for execution readiness and product quality across subassemblies and integrated systems
  • Develop and release detailed build flows, work instructions, and test procedures to enable repeatable, high-quality execution across first builds and maturing programs
  • Support first article builds in a fast-paced environment, focusing on manufacturability, repeatability, and quality, while developing scalable processes that enable a smooth ramp to higher production rates
  • Provide hands-on floor support during build and test, resolving issues in real time, incorporating technician feedback, and driving continuous improvement across hardware flow and process discipline
  • Coordinate across design, supply chain, production, and test teams to ensure part readiness, tooling availability, schedule alignment, and smooth handoffs between build stages
  • Contribute to the development of long-term manufacturing systems and infrastructure, including tooling strategies, ERP/MES workflows, and production documentation standards
SmartExplore AI is experimental.
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Principal / Senior Principal Systems Engineer

Northrop Grumman

Los Angeles, CA 90011

OnsiteHealth InsurancePaid Time Off

  • CLEARANCE REQUIRED FOR START: Yes
  • CLEARANCE TYPE: Secret
  • Active/Current U.S. Government Secret clearance required at the time of application
  • U.S. Citizenship is required
  • Ability to work onsite full-time at Woodland Hills, CA
  • Bachelor's of Science degree in STEM (Science, Technology, Engineering, Math) discipline with 5+ years of engineering experience
  • Master's Science degree in STEM (Science, Technology, Engineering, Math) discipline with 3+ years of engineering experience
  • PhD degree in STEM (Science, Technology, Engineering, Math) discipline with 1+ years of engineering experience
  • Experience with IBM Rational DOORS
  • Demonstrated success with: Technical baseline management
  • Writing and updating DOORS requirements
  • Decomposing and deriving requirements based on customer specifications
  • Experience in System Engineering activities such as: Software requirements development
  • Requirements development
  • Test Case development
  • Verification and Validation, i.e. experience running tests and documenting results
  • Excellent written and oral communication skills including: Demonstrated experience presenting to internal and external stakeholders
  • Demonstrated experience communicating technical information, e.g. requirements updates, test plans, integration test plans, etc.
  • Demonstrated Experience supporting test investigations and debugging efforts
  • Collaborating with cross-functional teams
  • Principals and Senior Principals: must be able to work onsite full-time at Woodland Hills, CA
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Combat Engineer

U.S. Army

Santa Barbara, CA 93101

Requires TravelEducation AssistanceHealth InsurancePaid Time Off

  • Attend a 14-week paid training program to gain skills and certifications in construction, engineering, demolition, and heavy equipment operations.
  • Advanced certifications require additional full funded training programs.
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Cyber System Security Engineer

ManTech

El Segundo, CA 90245

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Principal Systems Engineer (ONSITE)

RTX

El Segundo, CA 90245

Visa Sponsorship Available

~ 23 min OnsiteFlexible ScheduleEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
  • Security Clearance Type: Secret - Current
  • Security Clearance Status: Active and existing security clearance required on day 1
  • Working knowledge of Model-Based Systems Engineering (MBSE)
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience
SmartExplore AI is experimental.
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Senior Associate, Manufacturing Engineer

L3 Harris

Los Angeles, CA 90011

OnsiteBilingual PreferredEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Bachelor's Degree
  • A minimum of 2 years of prior related experience
  • Graduate Degree or equivalent with 0 to 2 years of prior related experience
  • In lieu of a degree, minimum of 6 years of prior related experience
  • Ability to obtain US Secret Security Clearance
SmartExplore AI is experimental.
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Maintenance Mechanic III (Bakery/Food Manufacturing)

Western Bagel Baking

Van Nuys, CA 91405

$28-$34/hr
Flexible Schedule
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