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Jr Data Engineer Jobs in California (NOW HIRING)

Senior Network Engineer

Oxnard, CA · On-site

$114K - $152K/yr

... IT-2506-JR Department: INFORMATION TECHNOLOGY Opening Date: 06/02/2025 Description Early ... Monitor and maintain data center air conditioning systems to ensure equipment operates within ...

Jr.Java Fullstack Developer

San Diego, CA

$55.75 - $72/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 2+ years of JavaScript: Experience coding modular, object-oriented ...

Jr.Java Fullstack Developer

Sacramento, CA

$56 - $72.25/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 2+ years of JavaScript: Experience coding modular, object-oriented ...

Jr. Project Manager

San Diego, CA · On-site

$70K - $85K/yr

... 1: Jr Project Engineer + estimating fundamentals · Year 2-3: Full project engineering ... data organization) · Detail-oriented with documentation habits · Clear communicator (emails ...

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Showing results 1-20

Jr Data Engineer information

See California salary details

$43.9K

$128K

$175.2K

How much do jr data engineer jobs pay per year?

As of Jul 4, 2026, the average yearly pay for jr data engineer in California is $128,018.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,000.00 and $135,700.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Jr Data Engineer, and why are they important?

To thrive as a Jr Data Engineer, you need a solid understanding of database concepts, SQL, and programming languages like Python or Java, usually supported by a relevant degree or coursework. Familiarity with ETL tools, cloud platforms (such as AWS or Azure), and version control systems like Git is typically required. Strong problem-solving, attention to detail, and effective communication are important soft skills for collaborating with teams and handling data issues. These combined skills ensure efficient data pipeline development, accurate data handling, and smooth integration of data solutions within an organization.

What is the difference between Jr Data Engineer vs Data Analyst?

AspectJr Data EngineerData Analyst
Required SkillsBasic SQL, Python, ETL processes, data pipeline developmentData visualization, SQL, Excel, statistical analysis
Work EnvironmentData engineering teams, cloud platforms, data warehousesBusiness units, reporting tools, dashboards
CertificationsEntry-level data engineering certifications (e.g., Google Cloud, AWS)Data analysis certifications (e.g., Microsoft, Tableau)

The Jr Data Engineer typically focuses on building and maintaining data pipelines and infrastructure, requiring skills in SQL, Python, and ETL processes. In contrast, a Data Analyst concentrates on interpreting data, creating reports, and visualizations. Both roles often work within similar industries and environments but serve different functions in data management and analysis.

What does a Jr Data Engineer do?

A Jr Data Engineer is responsible for supporting the design, development, and maintenance of data pipelines and systems. They work with senior data engineers to collect, clean, and organize data from various sources, ensuring that the data is reliable and accessible for analysis. Junior data engineers may also assist in troubleshooting data issues, optimizing data flows, and learning best practices in data engineering. Their role provides foundational experience in data management, database technologies, and programming.

What types of projects and tasks can a Jr Data Engineer expect to work on during their first year?

As a Jr Data Engineer, you can expect to be involved in projects such as building and maintaining data pipelines, cleaning and transforming raw data, and supporting the integration of new data sources. You'll likely collaborate closely with data analysts, senior engineers, and business stakeholders to ensure data is accessible and reliable for analysis. During your first year, you'll gain experience with ETL tools, cloud data platforms, and scripting languages, while learning best practices in data architecture and quality assurance. This hands-on involvement lays a strong foundation for future growth into more advanced engineering or analytics roles.
What job categories do people searching Jr Data Engineer jobs in California look for? The top searched job categories for Jr Data Engineer jobs in California are:
What cities in California are hiring for Jr Data Engineer jobs? Cities in California with the most Jr Data Engineer job openings:
Infographic showing various Jr Data Engineer job openings in California as of June 2026, with employment types broken down into 6% Internship, 71% Full Time, 6% Part Time, 11% Contract, and 6% Nights. Highlights an 94% In-person, and 6% Hybrid job distribution, with an average salary of $128,018 per year, or $61.5 per hour.
Systems Test Engineer-El Segundo,California

Systems Test Engineer-El Segundo,California

BOOZ, ALLEN & HAMILTON, INC.

Rolling Hills, CA • On-site

$198K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 4 days ago


Booz Allen Hamilton rating

8.8

Company rating: 8.8 out of 10

Based on 47 frontline employees who took The Breakroom Quiz

9th of 58 rated business consultants


Job description

Systems Test Engineer
The Opportunity:
Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in the DoD? You understand your customer's environment and how to develop the right systems for their mission. Your ability to interpret contemporary capabilities and translate into measurable test criteria to ensure mission needs are met makes you an integral part of delivering a mission-focused engineering solution.
As a Systems Test Engineer you will lead a test team that will work with Booz Allen colleagues and the U.S. Space Force to develop and rapidly deploy the next generation of resilient Missile Warning ( MW ) capabilities to deter attacks and provide critical information to our warfighters. Your customer will t rus t you to not only test, analyze, evaluate, verify, and validate these systems leveraging established system requirements, but also identify areas requiring urgent mitigation up-front and early to develop this system with advanced technology solutions. Grow your skills by merging innovative engineering met hodologies and cross-disciplinary coordination to create tomorrow's solutions. Join our team and create the future of remote sensing.
Join us. The world can't wait.
You Have:
  • 10+ years of experience in test and evaluation, verification, or system integration on Major Defense Acquisition Programs, including complex space or ground sof tware and hardware systems
  • 5+ years of experience supporting Government develop mental test and evaluation ( DT & E ) programs as part of the Lead Develop ment Test Organization ( LDTO )
  • Experience planning, executing, and reporting DT & E activities in support of certification of readiness to proceed to operational testing per AFI 99-103, including test procedures and artifacts IAW AFMAN 63-119
  • Experience executing tests, performing data analysis and reduction, and generating comprehensive test reports with findings and recommendations
  • Experience develop ing and executing Test & Evaluation Master Plans ( TEMPs ) , System Test Plans ( STPs ) , Requirement Verification Plans ( RVPs ) and Requirement Verification Reports ( RVRs )
  • Experience conducting system of systems tests for space-to-ground or cross-segment integration, and organizing and facilitating Integrated Test Teams ( ITT ) , Deficiency Review Boards ( DRB ) , Materiel Improvement Project Review Boards ( MIPRB ) and technical interchange meetings
  • Ability to understand and decompose system requirements and interface specifications, allocate requirements to testable elements, define systems under test ( SUT ) , develop test criteria, establish acceptance criteria and success met rics, and conduct Test Readiness Reviews ( TRR )
  • Ability to communicate and establish collaborative relationships with government clients, FFRDCs, prime develop ment contractors, and test organizations to achieve program goals, with knowledge of systems engineering standards including IEEE 15288.1 and IEEE 15288.2
  • Secret clearance
  • Bachelor's degree in Engineering, Mathematics, Physics, Computer Science, or a technology field

Nice If You Have:
  • Experience with LDTO leadership roles including coordination with operational test agencies, weapon system certification ( ITW / AA ) , organizing Joint Reliability and Maintainability Evaluation Team ( JR MET ) meetings, and generating Deficiency Reports ( DR ) per AFI 99-103
  • Experience performing requirements decomposition and allocation from system-level to segment or subsystem-level test objectives, and develop ing test scenarios that exercise interface control documents ( ICDs ) and validate interface requirements
  • Experience with test data analysis techniques, including statistical analysis, anomaly identification, and performance assessment against requirements
  • Experience performing systems engineering, integration, and testing on Overhead Persistent Infrared ( OPIR ) systems, missile warning systems, or space-based remote sensing systems, with direct experience on Next Gen OPIR, NGG, NGP, FORGE, RGS or related Space-Based IR Sensing programs such as SBIRS, SGEO, or SHEO
  • Experience supporting interoperability test and evaluation programs ( including JITC Interoperability Certification Evaluation Plans and Reports ) , planning and coordinating integrated and combined test activities for major capability deliveries, and portfolio or program verification, validation, certification , and operational acceptance
  • Experience using Model-Based Systems Engineering tools ( DOORS, MagicDraw ) to manage system definitions, technical baselines, and requirements verification on Government classified networks, with experience using Digital Engineering ( DE ) models to t race requirements to verification activities
  • Experience conducting third-party Independent Verification & Validation ( IV & V ) of sof tware and database releases
  • Knowledge of DoD 5000 series such as 5000.01, 5000.02, 5000.89, 5000.98, or 5000.100, MIL-STD-3022, and DoDAF architecture framework
  • Master's degree in Engineering, Mathematics, Physics, Computer Science, or related technical field
  • CTEP or INCOSE Systems Engineering Professional Certification s such as ASEP, CSEP, or ESEP Certification

Clearance:
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information ; Secret clearance is required.
Compensation
At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.
Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $86,800.00 to $198,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date.
Identity Statement
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.
Candidate AI Usage Policy
AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.
Work Model
Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.
  • Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.
  • Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.
  • Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

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About Booz Allen Hamilton

Sourced by ZipRecruiter

Booz Allen Hamilton is a leading provider of management and technology consulting services to the US government in defense, intelligence, and civil markets. Headquartered in McLean, Virginia, the firm also serves major corporations, institutions, and not-for-profit organizations. Founded in 1914 by Edwin G. Booz, the company has a long-standing tradition of helping clients achieve success by delivering a wide range of consulting services that include strategic planning, human capital and learning, communication, systems development, and others. The company's mission is to empower people to change the world, and it has a reputation for maintaining the highest standards of integrity and-excellence.

Industry

It services

Company size

10,000+ Employees

Headquarters location

McLean, VA, US

Year founded

1914