874 Principal Test System Software Engineer jobs in Los Angeles,CA

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Systems Test Engineer

BOOZ, ALLEN & HAMILTON

El Segundo, CA 90245

~ 23 min OnsiteUrgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

10+ years of experience in test and evaluation, verification, or system integration on Major Defense Acquisition Programs, including complex space or ground software and hardware systems
5+ years of experience supporting Government developmental test and evaluation (DT&E) programs as part of the Lead Development Test Organization (LDTO)
Experience planning, executing, and reporting DT&E activities in support of certification of readiness to proceed to operational testing per AFI 99-103, including test procedures and artifacts IAW AFMAN 63-119
Experience executing tests, performing data analysis and reduction, and generating comprehensive test reports with findings and recommendations
Experience developing and executing Test & Evaluation Master Plans (TEMPs), System Test Plans (STPs), Requirement Verification Plans (RVPs) and Requirement Verification Reports (RVRs)
Experience conducting system of systems tests for space-to-ground or cross-segment integration, and organizing and facilitating Integrated Test Teams (ITT), Deficiency Review Boards (DRB), Materiel Improvement Project Review Boards (MIPRB) and technical interchange meetings
Ability to understand and decompose system requirements and interface specifications, allocate requirements to testable elements, define systems under test (SUT), develop test criteria, establish acceptance criteria and success metrics, and conduct Test Readiness Reviews (TRR)
Ability to communicate and establish collaborative relationships with government clients, FFRDCs, prime development contractors, and test organizations to achieve program goals, with knowledge of systems engineering standards including IEEE 15288.1 and IEEE 15288.2
Secret clearance
Bachelor's degree in Engineering, Mathematics, Physics, Computer Science, or a technology field

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Principal Engineer – Fuze & Initiation Systems

Raytheon

Los Angeles, CA 90079

Flexible Schedule

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Senior Systems Engineer (ONSITE)

Collins Aerospace

El Segundo, CA 90245

~ 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
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

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Sr Manufacturing Engineer, Integration & Test, Second Shift

Relativity Space

Long Beach, CA 90805

~ 29 min Onsite

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

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Senior Test Engineer

Hadrian

Los Angeles, CA 90011

OnsiteHealth InsuranceRetirement Benefit

Demonstrated experience in test engineering, development testing, integration and test, or manufacturing test roles
Hands-on experience testing complex hardware systems in high-reliability environments
Experience designing and executing tests across multiple technical domains (e.g., mechanical, electrical, thermal, or integrated systems)
Familiarity with test instrumentation, data acquisition systems, sensors, and laboratory equipment
Ability to produce clear test documentation and communicate technical results effectively
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

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New, Posted 11 hours ago

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Software Engineer II - Infrastructure

Disney Entertainment and ESPN Product & Technology Careers

Glendale, CA 91205

$117,500-$157,500/yr

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Test Engineer, Senior

BOOZ, ALLEN & HAMILTON

El Segundo, CA 90245

RemoteEducation 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

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Manufacturing Engineer II, Integration & Test, Second Shift

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

SmartExplore AI is experimental.

New, Posted 11 hours ago

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