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Defense Contractor Software Engineer Jobs in California

Software Engineer I

Roseville, CA · On-site

$85K - $95K/yr

As a mid-tier defense contractor, we've demonstrated agility and innovation in providing aircraft ... Develops product software using software engineering best-practices, while adhering to KUAS ...

As a mid-tier defense contractor, we've demonstrated agility and innovation in providing aircraft ... Develops product software using software engineering best-practices, while adhering to KUAS ...

Software Engineer

San Diego, CA · On-site

$44 - $169/hr

Contractor Shift: 9/80 work schedule GeoLogics is working with a top Aerospace and Defense client looking for a Software Engineer in San Diego, CA Role: Software Engineer Client: Top Aerospace and ...

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Defense Contractor Software Engineer information

What is a defense contractor software engineer?

A Defense Contractor Software Engineer develops, tests, and maintains software systems for military and defense applications. They work for private companies that contract with government agencies, such as the Department of Defense, to create secure and reliable software solutions. Their work often involves embedded systems, cybersecurity, and compliance with strict government regulations. This role requires a security clearance, knowledge of specialized programming languages, and an understanding of defense industry standards.

What does a defense contractor software engineer do?

As a Defense Contractor Software Engineer, your daily responsibilities may include designing, coding, and testing software for defense systems, debugging complex issues, and ensuring products comply with security and regulatory standards. You'll often collaborate closely with systems engineers, hardware teams, and project managers to deliver integrated solutions. Depending on your project, you might also participate in technical reviews, support integration and testing activities, and maintain thorough documentation. Working within a multidisciplinary team, you will play a key role in delivering reliable and secure technology critical to national defense.

What skills and qualifications are needed to thrive as a defense contractor software engineer?

To excel as a Defense Contractor Software Engineer, you should possess strong programming skills in languages like C++, Java, or Python, a bachelor's degree in computer science or engineering, and eligibility for security clearance. Familiarity with tools and frameworks such as embedded systems, real-time operating systems (RTOS), and secure software development methodologies is often required, along with certifications like Security+ or CISSP. Outstanding problem-solving, attention to detail, and the ability to communicate effectively within multidisciplinary teams are valuable soft skills. These capabilities ensure project success, compliance with stringent regulations, and the ability to innovate in high-stakes, mission-critical environments.

What are the most commonly searched types of Defense Contractor Software Engineer jobs in California?

The most popular types of Defense Contractor Software Engineer jobs in California are:

What are popular job titles related to Defense Contractor Software Engineer jobs in California?

For Defense Contractor Software Engineer jobs in California, the most frequently searched job titles are:

What cities in California are hiring for Defense Contractor Software Engineer jobs?

Cities in California with the most Defense Contractor Software Engineer job openings:

Infographic showing various Defense Contractor Software Engineer job openings in California as of August 2026, with employment types broken down into 94% Full Time, 2% Part Time, and 4% Contract. Highlights an 92% In-person, 2% Hybrid, and 6% Remote job distribution.

Software Engineer I

Kratos Defense

Roseville, CA • On-site

$85K - $95K/yr

Full-time

Posted 12 days ago


Kratos Defense & Security Solutions rating

7.8

Company rating: 7.8 out of 10

Based on 10 frontline employees who took The Breakroom Quiz


Job description

Kratos Defense & Security Solutions, Inc., is a leading defense technology company focused on unmanned systems, satellite communications, cyber security/warfare, microwave electronics, missile defense, training, and combat systems. Our customers include the U.S. federal government, foreign governments, commercial enterprises, and state and local government agencies. At Kratos, we prioritize affordability as a cornerstone of our technology. We leverage proven, cutting-edge methodologies and technology to minimize costs, streamline schedules, and mitigate risks, ensuring timely delivery of cost-effective solutions to market.
Kratos Unmanned Aerial Systems (KUAS), a division of Kratos Defense, is renowned for its expertise in developing, delivering, integrating, and supporting high-performance, cost-effective, jet-powered Unmanned Aerial Systems (Targets and Tactical). As a mid-tier defense contractor, we've demonstrated agility and innovation in providing aircraft to the US military and global allies and partners. Our track record of delivering top-notch jet-powered subscale targets has established us as a go-to defense contractor capable of delivering capabilities at an affordable price.
At KUAS, we prioritize innovation, collaboration, and growth. Our team collaborates to cultivate a supportive and dynamic workplace, fostering creativity and promoting professional development while honoring personal and family lives. Join our team and help shape the future of unmanned technology within the defense industry today!

GENERAL JOB SUMMARY:

Develops product software using software engineering best-practices, while adhering to KUAS policies and procedures.

ESSENTIAL JOB FUNCTIONS:

Each successive level of Software Engineer builds on the identified typical job functions listed for the previous level(s) of Software Engineer.

These duties and responsibilities apply to all levels of Software Engineers.

  • Ensures customer satisfaction.
  • Analyses and decomposes system, and subsystem requirements and specifications collaboratively with other engineering disciplines.
  • Writes software requirements specifications, software test descriptions, design descriptions, test reports, and progress reports.
  • Designs, implements, tests, and documents software according to specifications, using approved KUAS software processes and tools.
  • Prepares and presents design review material in support of technical interchange meetings with suppliers and external/internal customers.
  • Participates in code reviews, verifies software change specification compliance, and records review and verification results.
  • Supports flight testing, data reduction, analysis, and reporting.
  • Participates in software effort planning and estimation activities.
  • Participates in tracking and reporting progress on assignments.
  • Supports collection of software development metrics and continuous improvement processes.
  • Complies with established KUAS business policies and procedures.
  • Follows safety policies and guidelines.
  • Ensures that the work area and equipment are kept clean.
  • Other duties may be assigned.

Software Engineer I

  • Works under the specific direction and guidance of senior engineers and manager.

SUPERVISORY RESPONSIBILITY:

None

Compensation: $85,000 - $95,000


KNOWLEDGE, SKILLS & ABILITIES:

Required:

  • Demonstrated understanding of Object Oriented programming principles.
  • Demonstrated understanding of the specific characteristics and requirements of real-time software and systems.
  • Demonstrated understanding of classic software development life-cycle.
  • Ability to analyze and clearly document software requirements.
  • Ability to travel as necessary to perform job duties.
  • Demonstrated ability to work cross-functionally to meet program requirements.
  • Ability to maintain sensitive and confidential information as required by government standards.
  • Ability to interact effectively with peers and supervisors.
  • Ability to interact appropriately with the public when necessary.
  • Ability to adhere to workplace rules.
  • Ability to effectively communicate professionally in writing or verbally with all levels of personnel.
  • May be required to obtain and maintain a U.S. security clearance at the appropriate level (requires U.S. Citizenship).

Preferred:

N/A

EDUCATION AND EXPERIENCE:

Each successive level of Software Engineer builds on the identified education and experience qualifications listed for the previous level(s) of Software Engineer.

Required:

Software Engineer I

  • Requires BS degree in Computing Science, Computer Science, Computer Engineering, or other Engineering, Mathematics, or Science discipline, with appropriate software coursework and/or experience.
  • Relevant experience preferred.
  • Coursework or prior experience in C or C++ programming language, and data structures.
  • Coursework or experience with software version control tools, debugging tools, and test methods.

Preferred:

Software Engineer I

  • Coursework or other experience with MatLab / Simulink, or other system modeling.
  • Familiarity with principles of Personal Software Process/ Team Software Process.
  • Familiarity with principles of Test Driven Development.
  • Familiarity with aerodynamic concepts and principles.
  • Experience with Java.

WORK ENVIRONMENT/PHYSICAL REQUIREMENTS:

  • Office and or manufacturing environment.
  • Ability to stand and sit for long periods of time.
  • Ability to perform repetitive motion (keyboarding, 10-key, phones).
  • May work extended hours or weekends.
  • May be required to lift up to 50 pounds in accordance with KUAS General Safety Training guidelines.

TRAVEL REQUIREMENTS:

  • 5-10% May be required between other KUAS locations.


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