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Entry Level Defense Contractor Software Engineer Jobs in Irvine, CA

Mach Industries

Software Engineer

Huntington Beach, CA · On-site

$125K - $220K/yr

About Mach Industries Founded in 2022, Mach Industries is a rapidly growing defense technology ... The Role The Software Engineer will play a critical role in developing our autonomous defense ...

Turion Space

Software C++ Engineer

Irvine, CA · Remote

$150K - $213K/yr

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 ...

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Entry Level Defense Contractor Software Engineer information

See Irvine, CA salary details

$25.8K

$112.6K

$202.9K

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 Irvine, CA is $112,559.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,800.00 and $128,800.00 per year, depending on experience, location, and employer.

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 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 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 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 Irvine, CA?

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

What are popular job titles related to Entry Level Defense Contractor Software Engineer jobs in Irvine, CA?

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

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

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

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

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

Entry Level Defense Contractor Software Engineer jobs near you

Software Engineer

Mach Industries

Huntington Beach, CA • On-site

$125K - $220K/yr

Full-time

Medical, Life, Retirement

Re-posted 20 days ago

Job description

About Mach Industries
Founded in 2022, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition.
Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security.
The Role
The Software Engineer will play a critical role in developing our autonomous defense systems. You will be responsible for designing, building, and optimizing mission-critical applications, with a focus on real-time performance, reliability, and security. This role demands technical excellence, adaptability, and ownership, as you will work across the full software stack to develop and deploy high-performance systems in a fast-paced environment.
Key Responsibilities
  • Develop, test, and maintain software for autonomous defense platforms, ensuring high performance, reliability, and security.
  • Design and implement efficient, well-tested code in C++, Rust, Python, or C to power real-time systems.
  • Architect end-to-end software solutions, from low-level firmware to high-level mission software.
  • Work closely with embedded engineers, GNC specialists, and systems engineers to ensure seamless hardware-software integration.
  • Optimize software for real-time execution, ensuring low-latency operation on embedded platforms and edge computing systems.
  • Implement secure coding practices, ensuring software is resilient to cyber threats and meets defense cybersecurity standards.
  • Utilize DevOps, CI/CD pipelines, and automated testing to streamline software development and deployment.
  • Troubleshoot, debug, and refine complex software systems, ensuring they meet mission-critical reliability requirements.
  • Identify opportunities for optimization and proactively propose solutions that enhance system efficiency and performance.
  • Contribute to agile development processes, effectively communicating risks, blockers, and technical challenges to the broader team.

Required Qualifications
  • Proficiency in C++, Rust, Python, or C, with the ability to write clean, well-tested, and efficient code.
  • Experience implementing a large (>10,000 line) project, from architecture to deployment.
  • Strong understanding of real-time software development, embedded systems, and performance optimization.
  • Ability to execute in a fast-paced, high-iteration environment, often shipping software multiple times per day.
  • Strong grasp of the full software development lifecycle, including design, development, deployment, and support.
  • Demonstrated extreme ownership and ability to operate autonomously, driving projects to completion with minimal oversight.
  • Experience working with low-level hardware interfaces and optimizing software for real-time applications.
  • Ability to work on-site in Huntington Beach, CA.

Preferred Qualifications
  • Significant experience in Rust, including embedded Rust with Embassy.
  • Experience developing software for autonomous systems, robotics, or aerospace applications.
  • Hands-on experience with microcontrollers, I²C, or real-time operating systems (RTOS).
  • Familiarity with sensor fusion, state estimation, or GNC systems.
  • Experience modeling flight vehicle dynamics in highly integrated cross-disciplinary simulations.
  • Strong background in firmware development and testing for embedded systems.

Disclosures
This position may require access to information protected under U.S. export control laws and regulations, including the Export Administration Regulations (EAR) and the International Traffic in Arms Regulations (ITAR). Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license.
Mach participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offers may vary based on (but not limited to) work experience, education and training, critical skills, and business considerations. Highly competitive equity grants are included in most offers and are considered part of Mach's total compensation package. Mach offers benefits such as health insurance, retirement plans, and opportunities for professional development.
Mach is an equal opportunity employer committed to creating a diverse and inclusive workplace. All qualified applicants will be treated with respect and receive equal consideration for employment without regard to race, color, creed, religion, sex, gender identity, sexual orientation, national origin, disability, uniform service, Veteran status, age, or any other protected characteristic per federal, state, or local law, including those with a criminal history, in a manner consistent with the requirements of applicable state and local laws. If you'd like to defend the American way of life, please reach out!

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