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Junior Platform Engineer Jobs in California (NOW HIRING)

Platform Engineer Key Responsibilities • Lead the maintenance and optimization of our AWS data ... to junior team members Required Qualifications • 5+ years of experience managing AWS ...

Platform Engineer

San Francisco, CA · On-site

$166K - $193K/yr

Partner with data engineering, analytics, and science teams to gather requirements, deliver platform support, and mentor junior team members. • Reliability Operations: Participate in on-call ...

... platform. * Collaborate with internal teams including data engineers, analysts, and scientists ... Provide technical guidance and mentorship to junior team members. Required Qualifications * 5+ ...

... a Cloud Platform Engineer to build scalable and reliable infrastructure. The role involves ... Mentor junior team members and contribute to knowledge sharing within the organization. • ...

Stefanini is looking for AWS Platform Engineer in San Francisco, CA/Richmond, VA(Onsite) For quick ... Provide technical guidance and mentorship to junior team members #LI-PG1 #LI-ONSITE Qualifications:

Stefanini is looking for AWS Platform Engineer in San Francisco, CA/Richmond, VA(Onsite) For quick ... Provide technical guidance and mentorship to junior team members #LI-PG1 #LI-ONSITE Qualifications:

Stefanini is looking for AWS Platform Engineer in San Francisco, CA/Richmond, VA(Onsite) For quick ... mentorship to junior team members #LI-PG1 #LI-ONSITE Qualifications: Required: 5+ years of ...

Stefanini is looking for AWS Platform Engineer in San Francisco, CA/Richmond, VA(Onsite)For quick ... and mentorship to junior team members #LI-PG1#LI-ONSITE Qualifications:Required:5+ years of ...

Software Engineer III - ATI

San Ramon, CA

$64.25 - $86.25/hr

Conducts peer code reviews for junior and mid-level platform engineers (Level I and II), ensuring alignment with engineering standards and best practices. * Holds approval authority over deliverables ...

We are building a robust, scalable trading platform to serve high-traffic, latency-sensitive ... Mentor junior engineers and document best practices to drive knowledge sharing and operational ...

Software Engineer III - ATI

San Ramon, CA · On-site

$64.25 - $86.25/hr

Conducts peer code reviews for junior and mid-level platform engineers (Level I and II), ensuring alignment with engineering standards and best practices. * Holds approval authority over deliverables ...

Sr. Platform Engineer

San Diego, CA · On-site

$110K - $152K/yr

The Marlin Alliance, Inc. is seeking a Sr. Platform Engineer in San Diego, CA. The successful ... Provide technical guidance and mentorship to junior engineers and team members. Required Skills and ...

Senior Machine Learning Platform Engineer

Irvine, CA · On-site

$110K - $152K/yr

The Senior Machine Learning Platform Engineer will design and manage scalable ML infrastructure, develop cloud-based pipelines, and ensure the reliability of MLOps workflows while mentoring junior ...

Senior Platform Engineer

San Francisco, CA · On-site

$123K - $169K/yr

Coach junior and mid-level engineers, support their growth, and onboard new teammates - including ... platforms and tooling that help your teammates get more leverage from AI in their day-to-day work.

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Showing results 1-20

Junior Platform Engineer information

See California salary details

$33.1K

$70.9K

$108.1K

How much do junior platform engineer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for junior platform engineer in California is $70,859.00, according to ZipRecruiter salary data. Most workers in this role earn between $47,900.00 and $79,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a junior platform engineer?

To thrive as a Junior Platform Engineer, you need a solid understanding of software engineering fundamentals, scripting or programming languages (such as Python or Bash), and a degree in computer science or related field. Familiarity with cloud platforms (like AWS, Azure, or GCP), containerization tools (such as Docker and Kubernetes), and version control systems (like Git) is highly valued, and certifications in these areas can be advantageous. Strong problem-solving skills, attention to detail, and effective teamwork and communication abilities help differentiate candidates in collaborative environments. These technical and interpersonal skills ensure reliable platform operations and seamless integration with development and operations teams.

What does a junior platform engineer do?

As a Junior Platform Engineer, you'll often assist in maintaining infrastructure, monitoring system performance, and supporting the deployment of applications using automation tools. Your daily tasks may include scripting routine jobs, troubleshooting platform issues, and helping implement security or scalability improvements under the guidance of senior engineers. You'll likely collaborate closely with development, QA, and operations teams to ensure that new features and services are reliable and efficiently deployed. Over time, you'll gain exposure to more complex projects, setting a strong foundation for career growth within platform engineering.

What is a junior platform engineer?

A Junior Platform Engineer is responsible for supporting the development and maintenance of a company's technology infrastructure. They work with cloud platforms, deployment pipelines, and automation tools to ensure reliable and scalable systems. Typically, they assist in managing CI/CD processes, monitoring system performance, and troubleshooting issues. The role requires some knowledge of cloud services, scripting, and DevOps practices. It’s an entry-level position that provides hands-on experience in platform operations and software deployment.

What are the most commonly searched types of Platform Engineer jobs in California?

The most popular types of Platform Engineer jobs in California are:

What cities in California are hiring for Junior Platform Engineer jobs?

Cities in California with the most Junior Platform Engineer job openings:

Infographic showing various Junior Platform Engineer job openings in California as of August 2026, with employment types broken down into 95% Full Time, and 5% Part Time. Highlights an 84% In-person, 5% Hybrid, and 11% Remote job distribution, with an average salary of $70,859 per year, or $34.1 per hour.

Platform Engineer

Compunnel

San Francisco, CA • On-site

Contractor

Posted 9 days ago


Job description

Platform Engineer
Key Responsibilities
• Lead the maintenance and optimization of our AWS data infrastructure, focusing on proactive improvements and regular maintenance
• Manage database platforms including Aurora PostgreSQL and MySQL, performing upgrades, rehydrations, and performance tuning
• Implement and maintain infrastructure as code using Terraform for consistent and repeatable deployments
• Configure and manage AWS data services including DMS and Glue
• Design and implement monitoring and alerting systems to ensure platform health and performance
• Develop automation scripts and tools to improve operational efficiency
• Spearhead cloud cost optimization initiatives and implement FinOps best practices for our data platform
• Collaborate with internal teams including data engineers, analysts, and scientists to understand their platform needs
• Participate in on-call rotation to support critical platform issues when they arise
• Document platform architecture, operations procedures, and best practices
• Provide technical guidance and mentorship to junior team members
Required Qualifications
• 5+ years of experience managing AWS infrastructure with a focus on data services
• Strong hands-on experience with relational databases, particularly PostgreSQL and MySQL
• Experience with infrastructure as code, specifically Terraform
• Knowledge of AWS data services including DMS, Glue, and RDS/Aurora
• Solid understanding of database administration, including performance tuning and troubleshooting
• Experience with cloud cost management and FinOps practices
• Proficiency with Linux/Unix systems and shell scripting
• Experience with monitoring tools and implementing observability solutions
• Understanding of network security principles and best practices in cloud environments
Preferred Qualifications
• AWS certifications (Data Engineer, Solutions Architect)
• Experience with database replication and high availability configurations
• Knowledge of data modeling and schema design
• Experience with containerization technologies (Docker, Kubernetes)
• Understanding of disaster recovery and business continuity planning
• Familiarity with CI/CD pipelines and DevOps practices
• Knowledge of Python or other programming languages for automation

Compunnel logo

About Compunnel

Sourced by ZipRecruiter

Compunnel is a well-known company located in Plainsboro, NJ, US, recognized in the industry of IT Services and Solutions. Established in 1989, Compunnel offers a suite of services that help businesses integrate technology efficiently into their operations, a recognizable name in the IT solutions sphere for over three decades. The company’s service portfolio includes Digital Transformation, Business Intelligence, Cloud Services, Cybersecurity, and Application Modern Services, among others. Guided by its mission "to innovate with industry-leading digital solutions and disruptive tech strategies for unimagining business growth," the company underlines its commitment to offering out-of-the-box solutions to its clients. Remarkable achievements of the company include serving more than 30 Fortune 500 companies and providing job opportunities for over 50,000 individuals.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Plainsboro, NJ, US

Year founded

1994

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