2474 Principal Software Systems Engineer jobs in Los Angeles,CA

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Program Manager for Transit Agency

Top Tempo Technical

Los Angeles, CA 90011

OnsiteUrgently Hiring

At least 4 years of experience as a vendor-based Program Manager, having managed at least three programs of similar nature, >$50M in total revenue.
At least 4 years of experience managing Programs that include simultaneous projects, having diverse system and contractual requirements, and competing deadlines.
At least 4 years of experience in Consulting/Business Analysis.
Previous experience as a project manager in a fast-paced, high-pressure environment.
Experience managing Software Delivery projects or Systems Integration (Hardware & Software solutions) engagements both Fixed Price and Time & Material.
Two or more of these engagements must have included a Requirements Compliance Matrix that would have been successfully managed by the candidate.

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Project Manager $100,000-$120,000

ADU EXPRESS

Gardena, CA 90247

$120,000/yr

Hybrid~ 17 minUrgently Hiring

5–8+ years of construction project management experience with a proven track record of delivering projects on time and on budget
Strong working knowledge of California building codes, permitting processes, and inspection workflows
Proficiency with project management and construction software (scheduling tools, budget tracking, digital plan management)
Valid driver's license and reliable transportation for regular travel between office and job sites across LA
10+ years of construction project management experience, with a strong track record in multifamily or high-volume residential
Deep expertise in value engineering with an obsession for finding the most efficient way to build a high-quality product
Strong working knowledge of California building codes, complex project budgets, and multi-trade coordination

SmartExplore AI is experimental.

New, Posted 17 hours ago

Civil Senior Principal Engineer in Land Development

Cannon

Los Angeles, CA 90064

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12B1 Combat Engineer - Entry Level

U.S. Army

Santa Barbara, CA 93101

~ 1 hr 41 min OnsiteUrgently HiringEducation 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.

SmartExplore AI is experimental.

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Principal Additive Manufacturing Engineer - Applications

Nikon Corporation

Long Beach, CA 90808

~ 29 min Onsite

Bachelor's Degree in Mechanical, Aerospace, or Materials Engineering.
10+ years of experience in aerospace/defense additive manufacturing, advanced design engineering, or manufacturing applications.
Recognized subject-matter expertise in metal additive manufacturing (LPBF/DMLS, DED, hybrid processes).
Proficiency in CAD (NX preferred), AM build preparation tools, AM simulation, and/or FEA.
Proven ability to engage senior technical leaders at primes, OEMs, and government agencies.
Strong understanding of aerospace materials science, metallurgy, thermal-mechanical behavior, and structural performance of AM parts.
Demonstrated track record of influencing design and qualification decisions in aerospace/defense programs.
Knowledge of Aerospace Quality Standards and Certification Requirements (AS9100D, NADCAP, MIL-SPEC, MMPDS).
U.S. Citizenship required.
Must be eligible to hold and/or maintain a DoD security clearance.
Travel: Occasional domestic or international travel may be required to customer sites, supplier facilities, or training events.
Ability to stand, walk, and move through lab and production areas for extended periods.
Occasional lifting of materials, components, or tooling up to 25 pounds.
Must adhere to company safety protocols and use personal protective equipment (PPE), such as gloves, safety glasses, and lab coats, as required.

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Experienced Project Manager / Senior Project Manager — ADU Express

ADU EXPRESS

Gardena, CA 90247

$120,000/yr

Requires TravelUrgently Hiring

5–8+ years of construction project management experience with a proven track record of delivering projects on time and on budget
Strong communication and leadership skills — you can mentor junior staff, manage vendor performance, and command a job site
Strong working knowledge of California building codes, permitting processes, and inspection workflows
Proficiency with project management and construction software (scheduling tools, budget tracking, digital plan management)
Valid driver's license and reliable transportation for regular travel between office and job sites across LA
10+ years of construction project management experience, with a strong track record in multifamily or high-volume residential
Proven experience managing both design teams and field operations — you've been the bridge between the office and the job site
Deep expertise in value engineering with an obsession for finding the most efficient way to build a high-quality product
Strong working knowledge of California building codes, complex project budgets, and multi-trade coordination
Demonstrated ability to lead, mentor, and hold diverse teams accountable — from designers to field superintendents to subcontractors

SmartExplore AI is experimental.

New, Posted 8 hours ago

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Infrastructure Engineer, Principal

Hadrian

Los Angeles, CA 90012

OnsiteHealth InsuranceRetirement Benefit

10-15+ years in infrastructure or platform engineering
Expert-level infrastructure design across cloud, containers, and networking
Can go from architecture whiteboard to production implementation, and has done it repeatedly
Deep Terraform/IaC skills with module development and testing experience
Production Kubernetes experience including troubleshooting, scaling, and multi-cluster patterns
Strong security instincts: threat modeling, least privilege, compliance fundamentals
Track record of building reusable patterns that other engineers adopt
History of reducing complexity, not just adding capability
Strong documentation and communication skills
Comfortable mentoring teammates and sharing knowledge
ITAR Requirements To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a 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. Learn more about the ITAR here .

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Systems Engineer, Mid

BOOZ, ALLEN & HAMILTON

El Segundo, CA 90245

RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

5+ years of experience in systems engineering, including develop ment and verification of system functional and performance requirements
5+ years of experience with systems product acceptance process and reviews milestones, including SRR, SFR, PDR, or CDR events
Experience with managing specifications and performing requirements analysis
Ability to collaborate in cross-functional team meetings and task execution across systems engineering activities
Ability to be highly motivated, display a dynamic work ethic, and contribute to the DoD mission
Ability to establish strong working relationships with government clients, stakeholders, and vendor teammates
Secret clearance is required.
Bachelor's degree in Engineering, Mathematics, Physics, or Computer Science

SmartExplore AI is experimental.

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12B1 Combat Engineer

U.S. Army

Santa Barbara, CA 93101

~ 1 hr 41 min OnsiteUrgently HiringEducation 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.

SmartExplore AI is experimental.

Apply Directly