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Software Engineer Onsite Jobs in California (NOW HIRING)

San Diego, CA (Onsite) Department: Software Engineering Reports To: Software Engineering Manager Position Summary Gamma Scientific is seeking a talented and motivated Mid-Level Software Engineer to ...

Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and ... Raytheon Software Engineering is looking for a Software Engineer II to join the Air C2 (Command and ...

Software Engineer II, Onsite

Fullerton, CA

$101K - $139K/yr

Our Software Department in Fullerton, CA is looking to hire a Software Engineer II to work onsite in Fullerton, CA. This role is for an experienced Software Engineer in developing and deploying ...

IT Support Engineer (Onsite Bay Area & NYC) Skills Relevant Skills and Experience * 2+ years working in a technical role * Bachelor's or higher degree in Computer Science, Software Engineering, or ...

Embedded Software Engineer Resource Type : Contractor Worker: US Citizen only Job Location ... Irvine, California, 100% onsite Mandatory skills: Regulatory compliance with customer safety and ...

Showing results 21-40

Software Engineer Onsite information

What does a software engineer onsite do?

A Software Engineer Onsite is responsible for designing, developing, testing, and maintaining software applications while working physically at the company's office or client location. They collaborate closely with other engineers, product managers, and stakeholders to deliver high-quality solutions. Being onsite often allows for more direct communication, quicker troubleshooting, and greater involvement in team activities and company culture. This role may also require attending in-person meetings and participating in onsite deployments or support.

What are the key skills and qualifications needed to thrive as a software engineer onsite?

To thrive as a Software Engineer Onsite, you need strong programming skills, proficiency in software development methodologies, and typically a degree in computer science or a related field. Familiarity with version control systems like Git, integrated development environments (IDEs), and knowledge of specific programming languages or frameworks are essential, and certifications like AWS Certified Developer can be advantageous. Exceptional problem-solving abilities, teamwork, and effective communication help you collaborate with colleagues and stakeholders in an onsite environment. These skills ensure the delivery of robust, maintainable software solutions while facilitating efficient workflow and innovation within the team.

How does working onsite as a software engineer typically impact collaboration and project workflows?

Working onsite as a Software Engineer often enhances direct communication and collaboration with team members, project managers, and stakeholders. You'll likely participate in daily stand-ups, code reviews, and design sessions in person, which can streamline decision-making and problem-solving. Additionally, being onsite allows for quicker feedback and fosters a stronger sense of team cohesion. This environment can be particularly beneficial for complex projects requiring frequent collaboration and iterative development.

What is the difference between Software Engineer Onsite vs Software Engineer Remote?

AspectSoftware Engineer OnsiteSoftware Engineer Remote
Work EnvironmentWorks at company premises, collaborating face-to-face with teamWorks from any location, often from home or co-working spaces
Required CredentialsBachelor's degree in CS or related field, relevant coding skillsSame as onsite: degree and coding skills, with added emphasis on self-management
Industry UsageCommon in companies valuing direct collaboration and team presenceGrowing in tech companies prioritizing flexibility and remote work policies

Both roles require similar technical skills and educational backgrounds. The main difference lies in the work environment, with onsite roles emphasizing physical presence and remote roles offering location flexibility. Your choice depends on personal preference and company policies.

What job categories do people searching Software Engineer Onsite jobs in California look for?

The top searched job categories for Software Engineer Onsite jobs in California are:

What cities in California are hiring for Software Engineer Onsite jobs?

Cities in California with the most Software Engineer Onsite job openings:

Infographic showing various Software Engineer Onsite job openings in California as of August 2026, with employment types broken down into 1% Internship, 85% Full Time, 9% Part Time, 2% Temporary, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution.

Principal Software Test Engineer, Onsite

Goleta, CA


Raytheon
Guided Missile and Space Vehicle Manufacturing • 10K+ employees

8.2

Company rating: 8.2 out of 10

Based on 86 frontline employees who took The Breakroom Quiz

38th of 72 rated aerospace companies

People enjoy working here

Good employer

Recommended by students


$145K - $195K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 5 days ago


Job description

Date Posted:

2026-07-10

Country:

United States of America

Location:

US-CA-GOLETA-H04 ~ 115 Robin Hill Rd ~ BLDG H04

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required after day 1

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world.

Our EW Software Team in Goleta, Santa Barbara County, CA is looking to hire a Principal Software Test Engineer to work onsite.

  • Raytheon Goleta, CA Location

What You Will Do:

  • Lead and participate with a Software Test team with these responsibilities:
  • Derive testing requirements from System and Software development specifications.
  • Design and implement test configurations for various stages of hardware and software development.
  • Do physical installations and connections of equipment and software to establish and maintain test environment, and update as needed.
  • Create test plans to demonstrate compliance with software specifications.
  • Execute test plans and document results.
  • Prepare and submit documentation in accordance with Contractor Data Requirements List (CDRL).
  • Produce planning and technical work products for internal customers to form original solutions to complex problems.
  • As the Test Team Leader, you will also be responsible for managing budget and schedule for testing.  You will be responsible for interacting with other disciplines, such as Hardware, Electrical and Systems, and other team leaders and senior technical staff to insure the completeness and success of software testing.  Engage with fast pace and dynamic product development environment.

Qualifications You Must Have:

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.
  • Experience setting up, configuring, and connecting test scenarios using target hardware, input and driver devices, and data collection systems
  • Team leadership experience including managing people, budget and schedules.
  • Lab experience in product testing using logic analyzers, high-speed. oscilloscopes, signal generators, and system on chip debugging tools, or similar.
  • The ability to obtain and maintain a Secret U.S. government-issued security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer:

  • Ability to drive results and coordinate with Software, Hardware, and Systems teams, and agile processes.
  • Experience developing technical documents for internal and customer distribution.
  • Familiarity with object-oriented programming languages, software design, integration and test.
  • Familiarity with embedded microprocessor design, system on a chip software design, FPGAs, high-speed transceivers, DDR, flash memories, block diagrams, signal analyses or signal generation, and real-time operating systems.
  • Good written and interpersonal communication skills.
  • Existing Secret security clearance.
  • Electronic Warfare Electronic Attack/Electronic Support (EA/ES), Radar, or Secure Communications technology knowledge.
  • Familiarity with Software Tools like Jenkins/Jira, DevSecOps, Interfaces and bus standards
  • Experience with scripting and test automation.

What We Offer

  • Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, Innovation, and Safety.
  • Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.
  • This requisition is eligible for an Employee Referral Award.  ALL eligibility requirements must be met to receive the referral award.

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role.

  • Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

  • This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

#EW

#EmbeddedSoftware

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 118,300 USD - 224,900 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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About RTX

Sourced by ZipRecruiter

Industry

Guided missile and space vehicle manufacturing, it services, aerospace product and parts manufacturing and engineering professional services

Company size

10,000+ Employees

Headquarters location

Waltham, MA, US

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What RTX employees say

Pay

Benefits

Hours and flexibility

Workplace

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