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Systems Performance Engineer Jobs in California (NOW HIRING)

AFL

System Performance Engineer

Los Angeles, CA · On-site

... systems. This is accomplished by notify carriers and venue owners of system health and providing ... The Performance Engineer will use RF test equipment to evaluate system performance, evaluate ...

Hermeus Corporation

Performance Engineer

Los Angeles, CA · On-site

$91.80 - $187.45/hr

By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the ... In your role as a Performance Engineer, you willbe responsible foranalyzing, modeling ...

Anthropic

Performance Engineer

San Francisco, CA · On-site

Running machine learning (ML) algorithms at our scale often requires solving novel systems problems. As a Performance Engineer, you'll be responsible for identifying these problems, and then ...

Meta

AI/HPC System Performance Engineer

Menlo Park, CA

$154K/yr

As an AI/HPC System Performance Engineer on the Network Infrastructure Engineering team, you will ... Experience designing and implementing performance monitoring systems, including instrumentation ...

Hermeus

Performance Engineer

Los Angeles, CA

$91K - $187K/yr

In your role as a Performance Engineer, you will be responsible for analyzing, modeling, and ... Develop, validate, and maintain propulsion system performance models to support aircraft ...

Hermeus

Performance Engineer

Los Angeles, CA · On-site

$91K - $187K/yr

In your role as a Performance Engineer, you will be responsible for analyzing, modeling, and ... Develop, validate, and maintain propulsion system performance models to support aircraft ...

Hermeus

Performance Engineer

Los Angeles, CA

$91K - $187K/yr

In your role as a Performance Engineer, you will be responsible for analyzing, modeling, and ... Develop, validate, and maintain propulsion system performance models to support aircraft ...

Meta

AI/HPC System Performance Engineer

Menlo Park, CA · On-site

$154K - $217K/yr

... HPC systems deliver maximum throughput and efficiency for frontier model development ... engineers on HPC performance methodologies, debugging techniques, and instrumentation best ...

Qualcomm

System Performance Engineer, Staff

San Diego, CA · On-site

$148.30 - $222.50/hr

Qualcomm Systems Engineers collaborate across functional teams to meet and exceed system-level requirements and standards. Qualcomm's System Performance Team is responsible for optimizing and ...

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Systems Performance Engineer information

What is a systems performance engineer?

Systems Performance Engineers are professionals who analyze, monitor, and optimize the performance of computer systems and applications. They identify bottlenecks, run performance tests, and recommend improvements to ensure systems operate efficiently under varying workloads. Their role often involves collaborating with developers and IT teams to resolve issues, improve response times, and ensure scalability. These engineers use specialized tools to collect and interpret performance data, helping organizations maintain reliable and high-performing technology environments.

What are the key skills and qualifications needed to thrive as a systems performance engineer?

To thrive as a Systems Performance Engineer, you need strong analytical abilities, expertise in systems architecture, and a degree in computer science or a related field. Familiarity with performance monitoring tools (like New Relic, Dynatrace, or Splunk), scripting languages, and experience with operating systems and cloud platforms is typically required. Exceptional problem-solving skills, attention to detail, and effective communication help you collaborate across technical teams and resolve complex issues quickly. These skills ensure the optimal performance, reliability, and scalability of critical IT systems, which are vital for business continuity and user satisfaction.

What are some common challenges faced by systems performance engineers in large-scale production environments?

Systems Performance Engineers often encounter challenges such as identifying bottlenecks in complex, distributed systems and dealing with unpredictable performance issues under varying workloads. They must balance optimizing system resources while ensuring minimal downtime and maintaining service reliability. Collaboration with development, operations, and QA teams is crucial to implement performance improvements and proactively address potential scalability concerns. Staying current with new technologies and monitoring tools also helps in effectively troubleshooting and tuning performance.

What are popular job titles related to Systems Performance Engineer jobs in California?

For Systems Performance Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Systems Performance Engineer jobs in California look for?

The top searched job categories for Systems Performance Engineer jobs in California are:

Systems Performance Engineer jobs near you
Infographic showing various Systems Performance Engineer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 90% Full Time, 7% Part Time, and 2% Contract. Highlights an 82% Physical, 2% Hybrid, and 16% Remote job distribution.

System Performance Engineer

AFL

Los Angeles, CA • On-site

Full-time

Re-posted yesterday

Job description

AFL manufactures industry-leading fiber optic cable, connectivity and accessories and provides engineering and installation services for some of the largest telecom customers in the world. Our company was founded in 1984 with a single fiber optic cable and today, we manufacture thousands of products, generate an excess of $2B in revenue, and employ more than 5,800 associates worldwide. At AFL, we recognize that our employees are our greatest asset. We hire and train each individual, investing in them to ensure success in their careers. With a commitment to professional development and growth, let us connect you to your next career opportunity.
Job Summary:
The System Performance Engineer is responsible for wireless carrier system performance. This position supports technical activities for the ongoing maintenance and monitoring of wireless systems. This is accomplished by notify carriers and venue owners of system health and providing technical services and support to resolve customer network malfunctions. The Performance Engineer will use RF test equipment to evaluate system performance, evaluate compliance compatibility and troubleshoot operational issues. Carry out RF test execution and generate status and test reports.
Attends training classes for OEM products to learn RF principles to become very knowledgeable in all current DAS/Small Cell technologies
Responsibilities:
  • Identify system performance problems and possible solutions
  • Resolve customer service issues and assist in implementing solutions
  • Collect data in support of performance evaluations and program optimization
  • Responsible for "Pager Duty" alarm clearing
  • Repair and install equipment as needed
  • Work with internal department managers as needed to meet company objectives
  • Work with Deployment and Construction counterparts to hit project timelines and goals
  • Evaluate coverage problems and new service area requirements for coverage cells
  • At times, identify causes of RF interference and troubleshooting interference problems with various customers
  • Organize and conduct meetings as necessary to meet departmental objectives
  • Work closely with Construction team to oversee infrastructure modifications
  • Attend weekly meeting with customer

Personal Qualities
  • Analytical Thinking - Exceptional ability to analyze data and utilize it to make sound decision
  • Conflict Management and Resolution Skills - Build consensus, anticipate and solve problems
  • Results focused - Ability to organize and manage multiple, and at time competing priorities
  • Communication Skills - Demonstrate communication skills necessary to interpret policies in situations requiring persuasion and prepare and present presentations. Must have strong oral and written communication skills
  • Relationship building skills - ability to work within a dynamic team setting and provide role model leadership to AFL workforce

Qualifications:
  • Highly organized and able to manage multiple projects and tasks
  • Excellent Customer service skills
  • Think critically and problem solve
  • 4 year BS (engineering or science) plus 1-3 years Telecom experience or 3-5 years minimum Telecom experience with Associate's Degree or related College courses
  • Proficient with Microsoft Office, Microsoft Project, and Microsoft Visio
  • Handle confidential/ sensitive information with discretion
  • Good judgment
  • Familiar with Carrier testing and closeout package requirements

Working Conditions/Requirements:
  • Use of standard office equipment
  • Good vision and hearing
  • Finger and wrist dexterity
  • Light physical effort (usually lifting/moving 50 pounds)
  • Walking up and down stairs General hours of Monday through Friday 8:00am to 5:00pm. But ability to provide support during and outside regular business hours is required.
  • Work indoor/outdoor with variable condition.
  • Regional travel required.
  • Must be able to work in the United States.

Must be legally authorized to work in the United States of America.
AFL is an Equal Opportunity Employer and will not deny employment, benefits, or compensation to any individual on the basis of race, color, religion, sex, age, national origin, veteran status, genetic information or any other legally protected status or characteristic. The same applies to hiring and employing persons with disabilities, unless a disability prevents a person from performing the essential functions of a job with or without reasonable accommodation.
AFL supports the objectives of affirmative action and a work environment without discrimination. The Company calls upon and expects every individual with the Company to accept a personal responsibility for continuing the successful policy.
#LI-MM1
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

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