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Entry Level Defense Contractor Software Engineer Jobs in Fullerton, CA

AnySignal

Ground Software Engineer

Los Angeles, CA · On-site

AnySignal is a startup focused on advancing RF products and services for space and defense missions. They are seeking a versatile Ground Segment Software Engineer to build robust ground segment ...

AnySignal

Ground Software Engineer

Los Angeles, CA · On-site

AnySignal is a startup dedicated to advancing RF products and services for space and defense missions. They are seeking a versatile Ground Segment Software Engineer to build robust ground segment ...

Rocket Lab Corporation

Software Engineer I/II

Pasadena, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SOFTWARE ENGINEER I/II - ROBOTICS Based onsite at Rocket Lab Robotics in Pasadena, CA, the Software ... Experience working in aerospace, defense, space, advanced manufacturing, industrial robotics ...

Turion Space

Software C++ Engineer

Irvine, CA · Remote

$150K - $213K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Our clients range from commercial companies licensing our software to large defense contractors that partner with us to develop and maintain systems. As a Software C++ Engineer, you'll design ...

Turion Space

Software C++ Engineer

Irvine, CA

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Our clients range from commercial companies licensing our software to large defense contractors that partner with us to develop and maintain systems. As a Software C++ Engineer, you'll design ...

AnySignal

Ground Software Engineer

Los Angeles, CA · On-site

$130K - $200K/yr

For the most demanding space and defense missions, AnySignal provides a flexible platform with ... We are seeking a versatile Ground Segment Software Engineer to join our team. This role is central ...

AnySignal LLC

Ground Software Engineer

Los Angeles, CA · On-site

$130K - $200K/yr

For the most demanding space and defense missions, AnySignal provides a flexible platform with ... We are seeking a versatile Ground Segment Software Engineer to join our team. This role is central ...

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All JobsDefense Contractor Software Engineer JobsEntry Level Defense Contractor Software Engineer JobsEntry Level Defense Contractor Software Engineer Jobs in Fullerton, CA

Entry Level Defense Contractor Software Engineer information

See Fullerton, CA salary details

$25K

$109.4K

$197.2K

How much do entry level defense contractor software engineer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for entry level defense contractor software engineer in Fullerton, CA is $109,403.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,800.00 and $125,200.00 per year, depending on experience, location, and employer.

What does an entry level defense contractor software engineer do?

An Entry Level Defense Contractor Software Engineer works on developing, testing, and maintaining software systems used in defense applications. This role often involves collaborating with multidisciplinary teams to create secure and reliable solutions for military or government clients. Responsibilities might include writing code, debugging software, and ensuring compliance with security and quality standards specific to the defense industry. Entry-level engineers often receive mentorship and training to help them understand specialized technologies and protocols required for defense projects.

What are the key skills and qualifications needed to thrive as an entry level defense contractor software engineer?

To thrive as an Entry Level Defense Contractor Software Engineer, you need a solid background in computer science or software engineering, with proficiency in programming languages such as C++, Java, or Python, often supported by a relevant degree. Familiarity with version control systems like Git, integrated development environments (IDEs), and compliance with security standards such as DoD STIGs or obtaining a Security+ certification may be required. Strong analytical thinking, attention to detail, and effective teamwork are crucial soft skills for success in this environment. These skills and qualifications are vital to produce secure, reliable software that meets strict governmental regulations and supports critical defense operations.

What types of projects and technologies do entry level defense contractor software engineers typically work on?

As an entry-level software engineer in the defense contracting industry, you will often work on projects related to embedded systems, simulation software, cybersecurity applications, or mission-critical systems. Technologies commonly used include programming languages like C++, Java, or Python, as well as specialized tools for version control, testing, and secure software development. You’ll collaborate closely with multidisciplinary teams, including systems engineers, project managers, and, at times, hardware engineers. A key challenge is adhering to strict security protocols and regulatory standards, but you will gain valuable experience in secure coding practices and large-scale system integration. These projects provide a strong foundation for future advancement within the industry.

What is the difference between Entry Level Defense Contractor Software Engineer vs Entry Level Software Developer?

AspectEntry Level Defense Contractor Software EngineerEntry Level Software Developer
CredentialsBachelor's in CS or related field; security clearance often preferredBachelor's in CS or related field; security clearance usually not required
Work EnvironmentGovernment contractors, defense agencies, secure facilitiesTech companies, startups, corporate offices
Industry UsagePrimarily defense, aerospace, government projectsBroad industry, including tech, finance, healthcare
Job FocusEmbedded systems, cybersecurity, defense-specific applicationsWeb, mobile, enterprise applications

While both roles involve software development, Entry Level Defense Contractor Software Engineer typically requires security clearance and focuses on defense-related projects within government or military sectors. Entry Level Software Developer has a broader industry scope with less emphasis on security clearance, working on commercial applications across various industries.

What are the most commonly searched types of Defense Contractor Software Engineer jobs in Fullerton, CA?

The most popular types of Defense Contractor Software Engineer jobs in Fullerton, CA are:

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For Entry Level Defense Contractor Software Engineer jobs in Fullerton, CA, the most frequently searched job titles are:

What job categories do people searching Entry Level Defense Contractor Software Engineer jobs in Fullerton, CA look for?

The top searched job categories for Entry Level Defense Contractor Software Engineer jobs in Fullerton, CA are:

What cities near Fullerton, CA are hiring for Entry Level Defense Contractor Software Engineer jobs?

Cities near Fullerton, CA with the most Entry Level Defense Contractor Software Engineer job openings:

Entry Level Defense Contractor Software Engineer jobs near you

Ground Software Engineer

AnySignal

Los Angeles, CA • On-site

Full-time

Re-posted 28 days ago

Job description

Job Summary:
AnySignal is a startup focused on advancing RF products and services for space and defense missions. They are seeking a versatile Ground Segment Software Engineer to build robust ground segment software for space communications, managing GNURadio modules and deploying cloud-based solutions.
Responsibilities:
• Manage and deploy containerized services for ground segment operations in the cloud and at the edge.
• Implement and maintain cloud-deployed software systems.
• Collaborate with a cross-functional team to integrate RF technologies with cloud platforms.
• Contribute to the instrumentation and optimization of satellite communication flowgraphs.
• Ensure reliability and efficiency of ground segment software in alignment with mission-critical objectives.
Qualifications:
Required:
• Bachelor’s or higher degree in Computer Science, Electrical Engineering, or a related field.
• Proven experience in Python
• Proficient in developing and debugging software for Linux environments.
• Experience with cloud platforms and software deployment in cloud environments.
• Prior experience in satellite communication systems or aerospace sector is a plus.
• Knowledge of digital signal processing and embedded systems.
Company:
AnySignal is an integrated sensing and communications products company. Founded in 2022, the company is headquartered in Gardena, USA, with a team of 11-50 employees. The company is currently Early Stage.

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