Jobs2Careers logoHome

Sr Principal Software Engineer Linux

Los Angeles,CA

1195 Sr Principal Software Engineer Linux jobs in Los Angeles,CA

Featured Opportunity
U.S. Army Reserve Logo

U.S. Army Reserve - Los Angeles, CA

25B Information Technology Specialist

Paid Relocation to Los Angeles, CA

Education AssistanceHealth InsurancePaid Time Off
New, Posted 1 day ago
Recommended
Apply Directly
Sr. Principal / Staff Software Developer Lead

Northrop Grumman

Manhattan Beach, CA 90266

Paid Relocation to Manhattan Beach, CA

~ 26 min OnsiteHealth InsurancePaid Time Off

Primary Level Salary Range: $142,200.00 - $213,400.00
Secondary Level Salary Range: $177,000.00 - $265,600.00
Employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results.
Employees in Vice President or Director positions may be eligible for Long Term Incentives.
Relocation assistance may be available
Health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.
* *Sr. Principal Software Engineer – Level 4:* Bachelor's Degree in Computer Science or closely related STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 8 years of related work experience, or a Master's Degree and 6 years of related work experience, or 4 years of related work experience with a PhD.
* *Staff Software Engineer – Level 5:* Bachelor's Degree in Computer Science or closely related STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 12 years of related work experience, or a Master's Degree and 10 years of related work experience, or 8 years of related work experience with a PhD.
US Citizenship
A *current DoD Secret clearance* (adjudicated within the last 5 years)
Ability to obtain Top Secret and SAP access.
Experience with Agile methodologies and using CI/CD tools and practices (e.g., Bamboo, Jenkins).
Strong software development skills in C# and/or Java, Object-Oriented design, scripts (e.g., YAML, Python, PowerShell, Batch, TypeScript), and Microsoft Windows technologies, with practical use of version control systems (e.g., Git, Bitbucket, CVS).
Ability to obtain and maintain initial Special Access Program (SAP) access via a Program Access Request (PAR).
Ability to obtain and maintain subsequent SAP PARs following commencement of employment to be able to completely support statement of work.
Proficiency in C#, .NET, Windows Presentation Foundation (WPF), and Microsoft Windows–based applications, with experience applying software design patterns.
Experience with microservice development and service communication protocols (gRPC and/or REST), relational databases and SQL, and the Atlassian tool suite (Bitbucket, Jira, Confluence, Crucible/FishEye).
Familiarity with cloud technologies (Azure and/or AWS), containers (Docker and/or Kubernetes), DevOps and Infrastructure-as-Code tools (e.g., Ansible, Terraform, Chef, Puppet), and experience working with requirements in DOORS.
Prior mission planning domain experience (e.g., JMPS Framework, Air Force mission planning).
Active Top-Secret Clearance (adjudicated within the last 5 years); CompTIA Security+ certification; and Agile credentials such as Certified ScrumMaster (CSM) or Professional Scrum Master (PSM).
Current SCI/SAP access
Easy Apply
MBSE Systems Engineer

TEKsystems

Redondo Beach, CA 90277

$50-$90/hr
~ 28 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

$50.00 - $90.00/hr.
Medical
Dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan
Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D; for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
MUST HAVE A TS/SCI
Active TS/SCI Clearance
Bachelor's degree in Systems Engineering, Computer Science, Software Engineering, or related technical discipline
Strong experience in Software Systems Engineering
Experience supporting Ground Systems, Mission Systems, or Command & Control (C2) Systems
MBSE methodologies
SysML
Cameo Systems Modeler
Requirements Engineering
Systems Architecture Development
System-to-subsystem decomposition
System-to-software requirements flow-down
Requirements traceability
Specification development and management
Experience supporting software development teams through architecture and modeling artifacts
Ability to build system models and architectures from scratch rather than simply maintaining existing models
Ground System Architecture
Mission System Development
Software Integration Planning
Digital Engineering Environments
Agile Software Development Programs
Large-scale DoD or Intelligence Community programs
Experience working in MBSE-driven development environments
Ground Systems Engineering
MBSE and Digital Engineering
SysML Modeling
Requirements Decomposition and Traceability
System-to-Software Requirement Flow-down
Specification Creation and Management
Architecture Development
Creation of MBSE Artifacts from Scratch
Sequence Diagrams, Activity Diagrams, BDDs, and IBDs
Support of Software Development Teams Through Modeling Artifacts
Ground Systems
Command & Control (C2)
Mission Systems
Software-Intensive Defense Platforms
Digital Engineering and MBSE-Centric Programs
Software Architecture and Systems Integration
New, Posted 1 day ago
Recommended
Apply Directly
Modeling Simulation & Analysis Engineer 3 or 4 (Principal or Sr. Principal Level)

Northrop Grumman

El Segundo, CA 90245

Paid Relocation to El Segundo, CA

Health InsurancePaid Time Off

Primary Level Salary Range: $95,300.00 - $165,500.00
Secondary Level Salary Range: $118,600.00 - $206,000.00
Employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results.
Employees in Vice President or Director positions may be eligible for Long Term Incentives.
Relocation assistance may be available
Health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.
Must have a Bachelor's of Science Degree in a STEM discipline and 5 years of related professional/military experience in Systems Engineering, OR a Master's Degree and 3 years of related professional/military experience in Systems Engineering, OR a Ph.D. and 1 years of related professional/military experience in Systems Engineering
Must have a Bachelor's of Science Degree in a STEM discipline and 8 years of related professional/military experience in Systems Engineering, OR a Master's Degree and 6 years of related professional/military experience in Systems Engineering, OR a Ph.D. and 4 years of related professional/military experience in Systems Engineering
Must have an active US Government Secret or higher clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation).
Must have the ability to obtain and maintain US Government Top Secret clearance and Special Access Program (SAP) within a reasonable period of time, as determined by business needs.
Must have scripting experience with tools such as MATLAB, Python, C++, Java, or experience conducting software-based trade studies.
Must have experience with simulation framework tools such as AFSIM, Suppressor, or STK.
Must have experience with modeling operational environments, conducting operations analysis, and mission effectiveness trade study analyses.
Must have experience in *at least* *one* of the following areas: * Research, Analysis, and Creating Assessments of Foreign Threats to US Military systems * Operations Modeling and Simulation of Radars, Missiles, Integrated Air Defense Systems (IADS), Air, Sea, and/or Space platforms * Analysis of defense systems at the mission level of Survivability, Lethality, Vulnerability, and Engagement. * Low Observables (LO) * Modeling and Analysis of Radio Frequency (RF) signals, Infrared (IR), Electro-Optical (EO), and/or Acoustic * Modeling and Analysis of Electronic Attack (EA), Electronic Protection (EP), and/or Electronic Countermeasures * Friendly/Adversary CONOPs and tactics
U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.
Operational military background or experience in any of the following: Fighter or Bomber Pilot, Electronic Warfare Officer/Weapons Systems Officer, Air Battle Manager, Intelligence Officer, Joint Duty Officer
Familiarity with AGILE, MBSE, and/or system architecture.
Experience with version control tools (Bitbucket, GitHub, Gitlab, etc.).
A current active in-scope U.S. Government DoD Top Secret security clearance with current or previous Special Program Access (SAP)/SCI.
Experience in *at least* *two *of the following areas: * Research, Analysis, and Creating Assessments of Foreign Threats to US Military systems * Operations Modeling and Simulation of Radars, Missiles, Integrated Air Defense Systems (IADS), Air, Sea, and/or Space platforms * Analysis of defense systems at the mission level of Survivability, Lethality, Vulnerability, and Engagement. * Low Observables (LO) * Modeling and Analysis of Radio Frequency (RF) signals, Infrared (IR), Electro-Optical (EO), and/or Acoustic * Modeling and Analysis of Electronic Attack (EA), Electronic Protection (EP), and/or Electronic Countermeasures * Friendly/Adversary CONOPs and tactics
New, Posted 1 day ago
Apply Directly
Lead Systems Engineer

Curtiss-Wright

Santa Clarita, CA 91350

~ 48 min OnsitePaid Time OffRetirement Benefit

$ 108,900 - 145,200 USD annual per year plus bonus
Paid Time Off
401K with Employer Match and Profit Sharing
Health and Wellness Benefits
Learning and Development Opportunities
Referral Program
Employee Stock Purchase Plan
Min 7 to 10 years of experience at US DoD Primes or at a company that directly supports them.
Expert knowledge of integrated system hardware/software development, integration and test for deployed military vehicle applications
Experience leading and closing major design reviews such as PDR and CDR
Expert knowledge of the systems engineering tools DOORS and Cameo
Working knowledge of engineering development tools like Clearquest, JIRA, and Rational Development Tools
Ability to operate and debug Linux and VxWorks based computing systems
Solid understanding of SOSA and VPX system design standards
Solid understanding of serial communication protocols such as MIL-STD-1553, RS422, RS485, RS232, 10G and 100G Gigabit Ethernet, PCIe, USB
Solid understanding of the latest processing and graphics solutions
Subject to additional security screening.
Experience conducting System Safety Assessment, Functional Hazard assessment and Failure Mode Effects Analysis is a plus
Excellent troubleshooting skills of rugged computing systems is a plus
Solid understanding of the latest processing and graphics solutions is a plus
Ability to operate and debug Linux and VxWorks based computing systems is a plus
Previous experience in RTCA/DO-254/DO-178 processes and FAA Certification is a plus
BS Computer Science, BS Software Engineering, BS Electrical Engineering preferred
Apply Directly
Principal Manufacturing Engineer

Leonardo DRS

Cypress, CA 90630

$119,940/yr

Paid Relocation to Cypress, CA

~ 34 min OnsiteFlexible ScheduleEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

The salary range for this position is $119,940/year-$186,207/year.
Employees may be eligible for: annual performance-based bonuses, equity awards, and overtime pay (for non-exempt employees as applicable.
Comprehensive health insurance (medical, dental, vision), employer matching 401(k) retirement plan, paid time off including vacation, holidays, and sick leave (including ant state-mandated paid sick leave), parental leave benefits, tuition reimbursement, professional development support, and life and disability insurance coverage.
Medical, dental, and vision coverage, a company contribution to a health savings account, telemedicine, life and disability insurance, legal insurance, and a 401(k) savings plan.
Wellness programs that focus on physical, emotional, and financial well-being.
Programs and activities to support career-growth, professional development, and skill enhancement.
Flexible work schedules with our 9/80 program, competitive vacation, health/emergency leave, paid parental leave, and community service hours
Type: Exempt Full-time
Schedule: 9/80
Shift: 1st
Bachelor's degree in an applicable engineering field with 8+ years progressively complex engineering experience or equivalent combination of education/training and experience
Hands-on experience assembling complex microelectronics in a cleanroom manufacturing environment; comfortable personally building, inspecting, and troubleshooting delicate, high-precision parts rather than only directing others.
Demonstrated experience developing and improving precision assembly and alignment processes, including hands-on use of fixtures, manual positioning or alignment tools, microscopes, and dimensional or optical metrology.
Experience with manufacturing process development, equipment integration or qualification, and sustaining production support, with the ability to translate hands-on learning into clear work instructions and process controls.
Working knowledge of cleanroom gowning, contamination control, ESD-safe handling, and traceable manufacturing documentation; willing and able to work regularly in a cleanroom and perform detailed bench-level assembly.
U.S. Citizenship required.
This position requires an active DOD security clearance or the ability to obtain such clearance within a reasonable time after commencement of employment.
New, Posted 1 day ago
Recommended
Apply Directly
Principal Systems Engineer

Raytheon

Los Angeles, CA 90011

OnsiteFlexible ScheduleHealth InsurancePaid Time OffRetirement Benefit

The salary range for this role is 107,500 USD - 204,500 USD.
Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement.
Medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays
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
Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date
Typically requires a Bachelor's Degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline and a minimum of 8 years of relevant experience
Experience with at least one of the following: software, firmware or configurable logic, hardware, integration, and/or test
Experience in one or more of the following areas: Model-Based Systems Engineering (MBSE); requirements development; requirements management; requirements verification; CONOPS management; and system architecture
Top Secret Clearance
Experience with RTX products or related technologies is strongly valued
Experience presenting analytical and technical presentations
Experience using Agile framework development methods / processes
Experience with Automation and/or Digital Engineering
Experience in the Defense Industry and specifically with military systems; tactics, techniques, and procedures, as well as Department of Defense customer infrastructure experience
Experience evaluating and mitigating technical risks
Experience working with multi-disciplinary technical and/or engineering teams
Software or Firmware Verification and Qualification testing experience
Prior experience with foreign military sales
Experience with Change Control Board (CCB), and document release experience (engineering and formal release)
Experience creating and linking requirements, architecture, and verification artifacts in Cameo
Experience with system and sub-system level requirements development, design and documentation of system level software architecture
Experience with performance analysis
Experience with DOORS, Cameo and/or Common Product Data Management (cPDM)
Apply Directly
Senior Associate, Manufacturing Engineer (Chemical Processing)

L3 Harris

Los Angeles, CA 90011

OnsiteBilingual PreferredEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

The salary range for this role in the State of California is $73,000 - $136,000.
Health and disability insurance
401(k) match
Flexible spending accounts
EAP
Education assistance
Parental leave
Paid time off
Company-paid holidays
9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off
Bachelor's Degree and a minimum of 2 years of prior related manufacturing engineering experience. Graduate Degree or equivalent with 0 to 2 years of prior related manufacturing engineering experience. In lieu of a degree, minimum of 6 years of prior related manufacturing engineering experience.
Pre-employment substance abuse testing and background checks, where permitted by law.
Knowledge of Clean Processing and/or Electroplating
Capable of creating/modifying electronic process instructions (EPI)
A good working knowledge of process specifications and quality requirements
Proficiency with Microsoft Office products (Word, Excel, and PowerPoint)
Experience of electronic systems used internally (Delmia, Windchill, ADMS, etc.)
Apply Directly
Senior Manufacturing Engineer

Moog

Torrance, CA 90503

$110,000-$165,000/yr
~ 24 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Great compensation package
Bonus opportunities
$110,000.00-$165,000.00 Annually
Annual bonuses
Matching 401k
The ability to participate in Employee Stock Purchase Plan (select locations)
Flexible Spending and Health Savings Accounts
Flexible paid time off
Holidays
Parental leave program
Relocation assistance
Comprehensive insurance coverage including medical, dental, vision, life, disability, Employee Assistance Plan ("EAP") and other supplemental benefit coverages.
Tuition Assistance
Mentorship and coaching opportunities
Leadership development
Other personal growth programs
Torrance site offers 9/80 work schedule with every other Friday off
9/80 schedule
Every other Friday off
Bachelor of Science in manufacturing, industrial, mechanical or a relative engineering discipline with experience in the manufacturing of aerospace manufactured components
Minimum 6 years or more of progressive experience in the field of manufacturing engineering, preferably with aerospace cylindrical steel components
Strong knowledge of the following machining processes: * Turning * Milling * OD/ID, Surface, and Jig Grinding
Familiarity with the following Gear machining processes: * Shaping * Hobbing * Broaching * Gear Grinding
Moderate knowledge of the following processes: * Heat Treatment, including carburizing, nitriding, and core hardening * Plating processes, such as cad plating, zinc-nickel plating, chrome plating * NDT: Magnetic particle inspection, Nital Etch Inspection, Hardness Testing. * Aerospace Painting processes
Strong knowledge of: * Machining properties for various aerospace steels, such as carbon steels, stainless steels, carburizing steels, nitriding steels, aluminum, etc.3D Modeling best practices and principles * GDT, Engineering Drawings Interpretation and creation * Fixture and Tool Design * Inspection methods, tools and best practices for relative hardware (Cylindrical, small to mid-size geared components) * Employment of various quality processes, such as 5 Why's and Fishbone diagrams, to perform Root Cause analysis and provide robust Corrective Action for low yield processes and/or non-conforming hardware
Minimum 6 years or more of progressive experience in the field of manufacturing engineering, preferably with aerospace cylindrical steel components
Apply Directly
Senior Manufacturing Engineer, Stage Forming

Relativity Space

Long Beach, CA 90805

~ 29 min Onsite

Relativity Space offers competitive salary and equity
Hiring Range: $122,000-$182,000 USD
A generous PTO and sick leave policy
Parental leave
An annual learning and development stipend
Bachelor's degree in manufacturing, mechanical engineering, or other engineering discipline
4+ years progressive and related experience required
Strong engineering fundamentals in process improvement, forming, metallic processing, mechanics of materials
Deep knowledge of common metallic manufacturing processes, tools, inspection methods and GD&T;
Strong 3D & 2D design/drafting skills per ASME Y14.5M
Strong 3D & 2D design/drafting skills per ASME Y14.5M (NX preferred)
Direct experience with roll forming and press brake forming aluminum alloys
New product introduction of an aerospace hardware system into a manufacturing, test, and production system with proven success
Experience in managing projects in a fast-paced environment

89% of jobs ask for a resume

Don't let the perfect job slip away—upload your resume and we'll personalize your results instantly.

89% of jobs ask for a resume

Don't let the perfect job slip away—upload your resume and we'll personalize your results instantly.

New, Posted 7 hours ago
Engineer Mfg, Components

Mason

Los Angeles, CA 90006

Profile builder
Answer questions related to your search and surface your matches.
Browse Jobs
  • Jobs in Top Cities
  • Jobs by State
  • Jobs by Title
  • Jobs by Category
Tools
  • Free Resume Builder
  • Jobs2Careers+ Extension
Company
  • Post a Job
  • About
  • Advice
  • Contact
Jobs2Careers Powered by Talroo© 2026 Jobs2Careers
Logos provided by Logo.dev
© 2026 Jobs2Careers
Privacy PolicyTerms of UseYour Privacy ChoicesCalifornia Consumer Privacy Act (CCPA) Opt-Out Icon
Jobs2Careers Powered by Talroo