Jobs2Careers logoHome

Senior Software Testing Engineer

Los Angeles,CA

791 Senior Software Testing Engineer jobs in Los Angeles,CA

Recommended
Apply Directly
Test Engineer, Senior

BOOZ, ALLEN & HAMILTON

El Segundo, CA 90245

RemoteUrgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • 7+ years of experience supporting DoD T & E activities
  • 7+ years of experience performing T & E of space systems
  • 5+ years of experience performing T & E of software systems
  • Experience working with programs to successfully enter and exit assembly integration and test milestones
  • Experience working in a collaborative team environment, developing test strategies, plans, reports, or briefings, and participating in test execution, verification, or analysis
  • Experience using Microsoft Office programs such as Word, Excel, PowerPoint, and Outlook
  • Ability to communicate and establish collaborative relationships with government clients, Federally Funded Research and Developmental Centers (FFRDC), and associate contractor teammates to achieve program goals
  • Ability to work collaboratively and independently, demonstrating initiative to complete complex tasks
  • Secret clearance
  • Bachelor's degree in an Engineering, Mathematics, or CS field
SmartExplore AI is experimental.
View now
New, Posted 3 hours ago
Recommended
Apply Directly
Senior Software Engineer

3DEO

Torrance, CA 90503

~ 24 min OnsiteUrgently Hiring

  • Strong programming skills in C++, Rust, or Python
  • Experience with computational geometry, 3D data structures, or mesh processing
  • Familiarity with additive manufacturing toolchains or CNC-style toolpath generation
  • Ability to work in a cross-functional RD environment with hardware and process teams
  • Comfortable building production-grade software in a fast-paced, iterative setting
  • Experience with continuous integration (CI) pipelines, static code analysis, and unit testing
  • Bachelors degree in Computer Science, Software Engineering, or related technical field required
  • 5+ years of experience in software development
  • With at least 12 years in a manufacturing, robotics, or 3D graphics setting
SmartExplore AI is experimental.
View now
Recommended
Apply Directly
Senior Manufacturing Engineer, Integration & Test

Relativity Space

Long Beach, CA 90805

~ 29 min OnsiteUrgently Hiring

  • Degree in engineering or a related technical field, with 6+ 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 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
  • 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
SmartExplore AI is experimental.
View now
New, Posted 3 hours ago
Apply Directly
Senior Mechanical Engineer

3DEO

Torrance, CA 90503

~ 24 min OnsiteUrgently Hiring

  • Bachelors degree in Mechanical Engineering or a related field required
  • Minimum of 6 years of experience in mechanical design, machine development, or automation
  • Proficiency with SolidWorks or similar CAD software, including assemblies, tolerancing, and CNC-ready design
  • Strong understanding of motion components, linear guides, actuation, and mechanical fasteners
  • Proven ability to build and integrate electromechanical systems in a lab or production environment
  • Hands-on experience sourcing components
  • Effective collaboration with cross-functional teams in a fast-paced RD setting
  • Regularly works in an engineering lab and machine build environment
  • Must be able to sit, stand, and perform hands-on work at machines and workbenches
  • Occasionally required to lift and move up to 50 pounds
SmartExplore AI is experimental.
View now
Recommended
Apply Directly
Senior Test Systems Engineer

Raytheon

Los Angeles, CA 90011

OnsiteUrgently HiringFlexible 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
  • DoD Clearance: Secret
  • Active and existing security clearance required on day 1
  • Typically requires a bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of five (5) years' prior relevant engineering experience OR an advanced degree and 3 years of relevant engineering experience
  • Experience in Systems Engineering with an emphasis on test requirements development, test methodologies, test requirements documents, integration, verification, and/or validation for test
  • Experience with developing, decomposing, and managing system requirements across a product lifecycle such as design and transition to production
  • Knowledge of Model Based Engineering processes, techniques, and tools (Rhapsody and IBM Rational Model Manager and/or Cameo Systems Modeler with understanding of Systems Modeling Language (SysML)
  • Experience with test related activities throughout the product lifecycle
  • The ability to obtain and maintain a U.S. government issued security clearance is required
SmartExplore AI is experimental.
View now
Recommended
Apply Directly
Sr Manufacturing Engineer, Integration & Test, Second Shift

Relativity Space

Long Beach, CA 90805

~ 29 min OnsiteUrgently Hiring

  • Degree in engineering or a related technical field, with 5+ 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 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
  • 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
SmartExplore AI is experimental.
View now
Recommended
Apply Directly
Senior Systems Engineer (ONSITE)

Collins Aerospace

El Segundo, CA 90245

~ 23 min OnsiteUrgently HiringFlexible 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
  • Active and existing security clearance required on day 1
  • Working knowledge of Model-Based Systems Engineering (MBSE)
  • Experience in Agile development and usage of Agile framework tools such as JIRA/Confluence
  • Proficient in DOORS NG
  • Working knowledge of SE fundamentals with ability to work with all engineering disciplines and program management
  • Familiarity with EVMS, ETCs, and ECPs
  • Ability to visualize system functionality, to create block diagrams, and to analyze system performance via analysis of customer requirements specification
  • Working knowledge of industry standards such as MIL-STD-810, MIL-STD-461, MIL-STD-704, for airworthiness, ARINC and RTCA standards are preferred
  • Experience in System, Software, and hardware Requirements management/traceability/allocation
  • Experience in RF signal processing
  • Experience with commercial test equipment (e.g. DMM, Oscilloscope, Signal Generator, Spectrum Analyzer, Logic Analyzer
  • Experience working in a Development, System Test and Sell-off, involving Hardware/Software
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience
SmartExplore AI is experimental.
View now
Apply Directly
Senior Systems Engineer (ONSITE)

RTX

El Segundo, CA 90245

~ 23 min OnsiteUrgently HiringFlexible 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
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience
  • Working knowledge of Model-Based Systems Engineering (MBSE)
  • Experience in Agile development and usage of Agile framework tools such as JIRA/Confluence
  • Proficient in DOORS NG
  • Working knowledge of SE fundamentals with ability to work with all engineering disciplines and program management
  • Familiarity with EVMS, ETCs, and ECPs
  • Ability to visualize system functionality, to create block diagrams, and to analyze system performance via analysis of customer requirements specification
  • Experience in System, Software, and hardware Requirements management/traceability/allocation
  • Experience in RF signal processing
  • Experience with commercial test equipment (e.g. DMM, Oscilloscope, Signal Generator, Spectrum Analyzer, Logic Analyzer
  • Experience working in a Development, System Test and Sell-off, involving Hardware/Software
SmartExplore AI is experimental.
View now
New, Posted 1 day ago
Recommended
Apply Directly
Test Automation Engineer

Hadrian

Los Angeles, CA 90011

OnsiteUrgently HiringHealth InsuranceRetirement Benefit

  • 5+ years in test engineering, ATE/EOL development, hardware bring-up, or manufacturing test
  • Proven track record taking at least one test station or automated test platform from requirements through production commissioning
  • Strong electrical test and measurement fundamentals: accuracy, uncertainty, grounding, shielding, isolation, calibration, and safety
  • Hands-on experience with Python, LabVIEW, TestStand, or equivalent automated test frameworks
  • Practical knowledge of MSA/Gauge R&R;, Cpk, SPC, false reject rate, and root cause analysis across design, fixture, software, and supplier failure modes
  • Bachelor's degree in EE, Electronics, Mechatronics, Physics, or related STEM - or equivalent direct experience
  • ITAR requirements: U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State
SmartExplore AI is experimental.
View now
Apply Directly
Sr Manufacturing Engineer (Panels)

Howmet Aerospace

Torrance, CA 90505

~ 24 min OnsiteUrgently HiringFlexible ScheduleHealth InsurancePaid Time OffRetirement Benefit

  • Bachelor's degree in engineering from 4-year university
  • Minimum 5 years of experience in engineering
  • Employees must be legally authorized to work in the United States. Verification of employment eligibility will be required at the time of hire. Visa sponsorship is not available for this position
  • This position is subject to the International Traffic in Arms Regulations (ITAR) which requires U.S. person status. ITAR defines U.S. person as an U.S. Citizen, U.S. Permanent Resident (i.e. 'Green Card Holder'), Political Asylee, or Refugee
  • Must be able to work on site in Torrance, California. Remote work not considered.
SmartExplore AI is experimental.
View now

Recent Searches

    Browse Jobs in Top Cities

    Browse Jobs by State

    Browse Jobs by Title

    Free Resume Builder

    Post a Job

    About

    Advice

    Contact

    © 2026 Jobs2Careers. All rights reserved.

    Privacy Policy

    Terms of Use

    Your Privacy ChoicesCalifornia Consumer Privacy Act (CCPA) Opt-Out Icon

    Logos provided by Logo.dev

    Jobs2Careers Powered by Talroo

    Privacy Policy, Terms of Use, and Your Privacy Choices

    Browse Jobs in Top Cities

    Browse Jobs by State

    Browse Jobs by Title

    Free Resume Builder

    Post a Job

    About

    Advice

    Contact

    © 2026 Jobs2Careers. All rights reserved.

    Privacy Policy

    Terms of Use

    Your Privacy ChoicesCalifornia Consumer Privacy Act (CCPA) Opt-Out Icon

    Logos provided by Logo.dev

    Jobs2Careers Powered by Talroo