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Systems Engineer Iii Jobs in California (NOW HIRING)

XSITE LLC

Model Based Systems Engineer III

San Diego, CA · On-site

$147K - $195K/yr

Model Based Systems Engineer III Level: Senior Location: San Diego, CA Telework: Hybrid remote/onsite, with typical set schedule at Government facility Travel: Salary: $147,000-$195,000 XSITE LLC is ...

Onto

Systems Engineer 3

Milpitas, CA · On-site

D. in Engineering or Sciences with a focus on optical physics * 2-3 years of experience in complex optical systems, analysis, and applications development including use of broadband light sources for ...

Lam Research Salzburg GmbH

Systems Engineer 3

Fremont, CA · On-site

$150 - $200/hr

The impact you'll make As a Systems Engineer at Lam, you'll design complex frameworks, systems, or ... Minimum of 5 years of related experience with a Bachelor's degree; or 3 years and a Master's degree ...

Onto

Systems Engineer 3

Milpitas, CA · On-site

D. in Engineering or Sciences with a focus on optical physics * 2-3 years of experience in complex optical systems, analysis, and applications development including use of broadband light sources for ...

Boeing Future of Flight

Systems Engineer 3

Long Beach, CA · On-site

$80 - $100/hr

The Boeing Global Services (BGS) Commercial Modifications Engineering team is seeking Systems Engineers (Level 3) to make an immediate impact on key programs. We are looking for experienced, engaged ...

Lam Research Corporation

Systems Engineer 3

Fremont, CA · On-site

$99K - $220K/yr

The impact you'll make As a Systems Engineer at Lam, you'll design complex frameworks, systems, or ... Minimum of 5 years of related experience with a Bachelor's degree; or 3 years and a Master's degree ...

Lam Research

Systems Engineer 3

Fremont, CA · On-site

$99K - $220K/yr

The impact you'll make As a Systems Engineer at Lam, you'll design complex frameworks, systems, or ... 3 years and a Master's degree; or a PhD without experience; or equivalent work experience.

LAM RESEARCH Corporation

Systems Engineer 3

Fremont, CA · On-site

$150 - $200/hr

The impact you'll make As a Systems Engineer at Lam, you'll design complex frameworks, systems, or ... Minimum of 5 years of related experience with a Bachelor's degree; or 3 years and a Master's degree ...

Novanta, Inc.

Systems Engineer III

Irvine, CA · On-site

$117K - $176K/yr

As a Senior Systems Engineer , you will support the definition, design, integration, and validation of complex motion products and systems that meet customer, industry, and product performance ...

Novanta

Systems Engineer III

Irvine, CA

$117K - $176K/yr

As a Senior Systems Engineer , you will support the definition, design, integration, and validation of complex motion products and systems that meet customer, industry, and product performance ...

Novanta Inc.

Systems Engineer III

Irvine, CA · On-site

$125 - $150/hr

As a Senior Systems Engineer, you will support the definition, design, integration, and validation of complex motion products and systems that meet customer, industry, and product performance ...

3M HEALTHCARE

Systems Engineer III

Santa Clara, CA · On-site

$150 - $200/hr

As a Systems Engineer, you'll design, integrate, and optimize complex systems that drive the semiconductor industry forward. Your expertise in systems thinking and problem-solving is essential as you ...

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All JobsSystems Engineer Iii JobsSystems Engineer Iii Jobs in California

Systems Engineer Iii information

See California salary details

$52.8K

$125.5K

$164.8K

How much do systems engineer iii jobs pay per year?

As of Sep 7, 2026, the average yearly pay for systems engineer iii in California is $125,549.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,700.00 and $154,900.00 per year, depending on experience, location, and employer.

What is a systems engineer III?

A Systems Engineer III is an experienced professional responsible for designing, implementing, and maintaining complex systems within an organization. They typically work with both hardware and software to ensure that all system components function together seamlessly. This role often involves troubleshooting, optimizing system performance, and leading projects or mentoring junior engineers. Systems Engineer III positions usually require several years of experience and a strong understanding of systems architecture, integration, and security.

What are the key skills and qualifications needed to thrive as a systems engineer III, and why are they important?

To thrive as a Systems Engineer III, you need advanced knowledge of systems architecture, troubleshooting, and integration, usually supported by a degree in computer science or a related field and several years of relevant experience. Familiarity with tools such as VMware, Linux/Windows server environments, scripting languages (e.g., Python, PowerShell), and certifications like CompTIA Security+, Microsoft Certified: Azure Solutions Architect, or Cisco CCNP are typically required. Strong problem-solving, analytical thinking, and effective communication skills help you collaborate across teams and address complex technical challenges. These skills are essential for designing, maintaining, and optimizing reliable IT systems that support organizational goals.

How does a systems engineer III typically collaborate with other IT teams and departments?

As a Systems Engineer III, you will frequently collaborate with network administrators, software developers, and cybersecurity teams to ensure seamless integration and optimal performance of IT systems. You may participate in cross-functional meetings to troubleshoot complex issues, coordinate system upgrades, and develop solutions that align with organizational goals. Effective communication and teamwork are essential, as you’ll often serve as a technical liaison between different departments, translating requirements and ensuring that system changes do not disrupt business operations.

Are systems engineers in high demand?

Systems Engineers III are in high demand due to the increasing reliance on complex IT infrastructure, cybersecurity, and cloud computing. Employers seek professionals with strong technical skills, certifications, and experience in designing and maintaining large-scale systems, making this a competitive and growing field.
Systems Engineer Iii jobs near you
Infographic showing various Systems Engineer Iii job openings in California as of August 2026, with employment types broken down into 80% Full Time, 14% Part Time, 5% Contract, and 1% Nights. Highlights an 86% Physical, 2% Hybrid, and 12% Remote job distribution, with an average salary of $125,549 per year, or $60.4 per hour.

Systems Engineer 3

Cts Technology Solutions, Inc.

Long Beach, CA • On-site

$100 - $125/hr

Other

Medical, Retirement, PTO

Posted 20 days ago

Key responsibilities

  • Lead a cross‑functional engineering team focused on project execution for Avionics or AP&S Modifications.

  • Identify technical risks, issues, and opportunities; develop and execute plans for risk mitigation, issue resolution, and opportunity capture.

  • Resolve complex, cross‑functional technical challenges, including leading Technical Design Reviews (TDRs), and collaborate with Subject Matter Experts to address technical challenges.

Job description

The Company Global Services (BGS) Commercial Modifications Engineering team is seeking Systems Engineers (Level 3) to make an immediate impact on key programs. We are looking for experienced, engaged, and motivated systems engineers to join a team of highly skilled Project Engineers supporting Avionics and Airframe, Performance & Systems (AP&S) product lines. This selected candidate will be based in sunny Long Beach, California and will be working on complex work statements in coordination with Engineering, Program Management, and other key supporting organizations. In this high‑visibility, high‑growth potential position they will be able to combine the deep expertise and resources of the entire Company enterprise with the flexibility and fast pace of a post‑production modification program to continuously raise the bar for technical excellence and product quality and safety.

Position Responsibilities
  • Leads a cross‑functional engineering team focused on project execution for Avionics or AP&S Modifications
  • Identifies technical risks, issues, and opportunities; develops and executes plans for risk mitigation, issue resolution, and opportunity capture.
  • Resolves complex, cross‑functional technical challenges, inclusive of leading Technical Design Reviews (TDRs). Partners closely with technical Subject Matter Experts (SME’s) to resolve technical challenges.
  • Effectively navigates complex certification efforts, working with FAA and EASA appointed personnel
  • Collaborates with Program Management to develop integrated project plans and project schedules
  • Responds to changes to statement of work, assesses the impact and negotiates proposed changes to determine modifications to the deliverables, resources, costs and schedules
  • Supports project proposal activities by reviewing Statement of Work, assessing potential impact to certification, configuration control, and defines the overall effort required to complete the project
  • Identifies and leads improvement initiatives to improve quality, reduce cost, and reduce project flow
  • Identifies and tracks engineering performance metrics
  • Self‑motivated and works under minimal direction.
Required Skills
  • Bachelor of Science degree or higher from an accredited course of study in engineering, computer science, mathematics, physics or chemistry.
  • 5+ years’ experience in an engineering role.
  • Experience with avionics, cabin systems, electrical, structures, or systems engineering.
Preferred Skills
  • Experience working in the commercial aircraft modification environment
  • Experience in leading technical teams or projects
  • Experience with FAA certification requirements (14 CFR Part 25 Regulations)
  • Experience with FAA Airworthiness Directives
  • Experience with Company’s Organization Delegation Authorization (ODA) procedures
  • Advanced knowledge and familiarity with Company Commercial Airplanes drawings, documents/procedures (i.e. BPM, BPI, etc.), manuals (i.e. AMM, CMM, etc.), and Service Bulletins
  • Experience with Company commercial aircraft platforms
  • Experience with providing briefings to senior level management
  • Demonstrated interest in continuous personal learning and development
  • Ability to lead and uphold a culture of proactive safety, first‑time quality, and continuous improvement
  • Ability to quickly learn and work autonomously with limited supervision
Benefits
  • Comprehensive healthcare coverage
  • Paid time off
  • Retirement savings plans

Position Id : 377429
Status : Open
Location : Long Beach, California
Duration : 6+ months
Pay Rate : $75.00/Hour
Employment Type : Contract
Work Shift : Shift-1

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