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Defense Contractor Software Engineer Jobs in Texas

INFINITY SYSTEMS ENGINEERING LLC

Software Engineer

Fort Worth, TX · On-site

$105K - $175K/yr

  • Medical

  • Dental

  • Retirement

  • PTO

Infinity's niche in the aerospace and defense industry is specialized solutions that help bridge ... Infinity Systems Engineering is seeking experienced Software Engineers to support advanced mission ...

INFINITY SYSTEMS ENGINEERING LLC

Software Engineer

Fort Worth, TX · On-site

$105K - $175K/yr

  • Medical

  • Dental

  • Retirement

  • PTO

Infinity's niche in the aerospace and defense industry is specialized solutions that help bridge ... Infinity Systems Engineering is seeking experienced Software Engineers to support advanced mission ...

Nwis

Software Engineer

San Antonio, TX · On-site

$64K - $128K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability ... This position applies software engineering principles and SAFe Agile methodologies to deliver ...

Allen Control Systems

Software Engineer

Austin, TX · On-site

  • Medical

  • Dental

  • Vision

  • PTO

Allen Control Systems (ACS) is a cutting-edge defense startup, founded by two former Navy electrical engineers with a proven track record in robotics and software. We are developing a small ...

Allen Control Systems

Software Engineer

Austin, TX · On-site

  • Medical

  • Dental

  • Vision

  • PTO

Allen Control Systems (ACS) is a cutting-edge defense startup, founded by two former Navy electrical engineers with a proven track record in robotics and software. We are developing a small ...

Allen Control Systems

Software Engineer

Austin, TX · On-site

  • Medical

  • Dental

  • Vision

  • PTO

Allen Control Systems (ACS) is a cutting-edge defense startup, founded by two former Navy electrical engineers with a proven track record in robotics and software. We are developing a small ...

Modern Intelligence

Senior Software Engineer

Austin, TX · On-site

$175K - $225K/yr

  • Medical

  • Dental

  • Vision

  • PTO

Modern Intelligence is building the foundational AI for defense. Over the next decade, the US ... We are looking for a Senior Software Engineer to lead the Cutlass software team. We are looking for ...

Modern Intelligence

Senior Software Engineer

Austin, TX

$175K - $225K/yr

  • Medical

  • Dental

  • Vision

  • PTO

Modern Intelligence is building the foundational AI for defense. Over the next decade, the US ... We are looking for a Senior Software Engineer to lead the Cutlass software team. We are looking for ...

Modern Intelligence

Senior Software Engineer

Austin, TX

$175K - $225K/yr

Modern Intelligence is building the foundational AI for defense. Over the next decade, the US ... We are looking for a Senior Software Engineer to lead the Cutlass software team. We are looking for ...

Modern Intelligence

Senior Software Engineer

Austin, TX

$121K - $160K/yr

  • Medical

  • Dental

  • Vision

  • PTO

Modern Intelligence is building the foundational AI for defense. Over the next decade, the US ... We are looking for a Senior Software Engineer to lead the Cutlass software team. We are looking for ...

Eden Technologies Inc

Software Engineer

Lockhart, TX · On-site

$130K - $165K/yr

About the Role Eden Tech is seeking a hands-on Software Engineer to support embedded sensing ... Experience with industrial equipment, aerospace, defense, oil and gas, water treatment, or other ...

Saronic

Systems Software Engineer (Generalist)

Austin, TX · On-site

$100 - $130/hr

Exposure to defense, aerospace, maritime, or other mission‑critical environments Aerospace or Defense Software Development and Autonomous Systems Engineering successful candidates may come from a ...

New

Kratos Defense

Project Engineer

Arlington, TX

As a mid-tier defense contractor, we've demonstrated agility and innovation in providing aircraft ... Minimum 5 years relevant experience with Engineering, Systems, Integration, Test, Software, and ...

Kratos Defense

Project Engineer

Arlington, TX · On-site

$120K - $150K/yr

As a mid-tier defense contractor, we've demonstrated agility and innovation in providing aircraft ... Minimum 5 years relevant experience with Engineering, Systems, Integration, Test, Software, and ...

KRUSH Tech Inc

Software Engineer

Austin, TX · On-site

$95 - $130/hr

  • Medical

  • Retirement

  • PTO

KRUSH Tech is a new technology company building advanced hardware solutions for defense, aerospace ... As a Software Engineer , you will design, develop, integrate, and validate software for advanced ...

Allen Control Systems

Software Engineer - All Levels

Austin, TX · On-site

$110 - $170/hr

  • Medical

  • Dental

  • Vision

  • PTO

Software Engineer Company Overview Allen Control Systems (ACS) is a cutting‑edge defense startup founded by two former Navy electrical engineers with a proven track record in robotics and software.

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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 Texas?

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

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

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

What job categories do people searching Defense Contractor Software Engineer jobs in Texas look for?

The top searched job categories for Defense Contractor Software Engineer jobs in Texas are:

Defense Contractor Software Engineer jobs near you
Infographic showing various Defense Contractor Software Engineer job openings in Texas as of August 2026, with employment types broken down into 100% Full Time. Highlights an 80% In-person, and 20% Hybrid job distribution.

Software Engineer

INFINITY SYSTEMS ENGINEERING LLC

Fort Worth, TX • On-site

$105K - $175K/yr

Full-time

Medical, Dental, Retirement, PTO

Posted 8 days ago

Job description

Infinity’s niche in the aerospace and defense industry is specialized solutions that help bridge the gap between space and ground. This is no small task, and we owe our success to our team who help us fulfill our mission; to match people with their legacies for betterment of the world. There is always a place at Infinity for a motivated, capable individual seeking a career to better the world. We prioritize supporting our team through exceptional benefits, work-life balance, and structured career development. At Infinity, WE ARE MORE – now, come be more with us!
*Please note, this position is contingent upon program award.*

Job Summary:

Infinity Systems Engineering is seeking experienced Software Engineers to support advanced mission systems and software development programs in Fort Worth, Texas. The selected candidate will work with talented engineering teams developing and integrating software for advanced aircraft and battlespace solutions. Assignments may include mission systems, guidance/navigation/control, sensor integration and fusion, autonomy, C4ISR, human-machine interfaces, ground systems, DevSecOps, or software integration and test.
This position is intended for engineers with approximately 3 to 15+ years of relevant experience.

Key Responsibilities:

  • Design, develop, integrate, and test software supporting advanced aircraft mission systems and battlespace capabilities.
  • Develop software using C++, C, Python, and/or other applicable languages in Linux and embedded environments.
  • Support mission computing, GNC, sensor fusion, communications, C4ISR, autonomy, HMI, or ground-system applications based on assignment.
  • Integrate software with simulated mission systems, physical hardware, sensors, and system-level models.
  • Develop and maintain automated test capabilities and CI/CD workflows where applicable.
  • Perform software troubleshooting, debugging, root-cause analysis, and performance assessment.
  • Participate in requirements development, architecture/design activities, technical reviews, code reviews, integration events, and verification.
  • Collaborate with multi-site customer and supplier teams and support occasional integration/test activities as required.

Qualifications:

  • Education: Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, Aerospace Engineering, Mathematics, Physics, or a related STEM discipline
  • Experience: 3+ years of relevant experience. Additional directly relevant experience may be considered in lieu of a degree, consistent with contract and customer requirements.
  • Clearance: Secret Required. Candidate must be able to obtain and maintain a Top Secret clearance and any program-specific Special Access Program (SAP) access required for the assignment.
  • Required Skills:
  • 3+ years of professional software engineering experience in aerospace, defense, mission systems, embedded systems, or another complex software environment.
  • Professional software development experience using C, C++,and Python or other comparable languages.
  • Experience with software integration, test, troubleshooting, and configuration-controlled development.
  • Strong analytical, communication, and collaborative problem-solving skills.
  • Ability to work onsite in Fort Worth, Texas.
  • Preferred Skills:
    • Mission systems, avionics, GNC, sensor fusion, radar/RF, EW, tactical communications, C4ISR, or autonomy experience.
    • Linux development experience and familiarity with real-time or distributed software architectures.
    • MATLAB/Simulink, navigation/estimation, Kalman filtering, or controls experience.
    • OMS, UCI, FACE, MOSA, DDS, or other open/modular architecture experience.
    • GitLab, Jenkins, Docker, Kubernetes, CI/CD, DevSecOps, or automated test experience.
    • SIL/HIL/HWIL, simulation, mission-system laboratory, or aircraft software integration experience.
    • Experience supporting F-35, F-22, advanced development, or other classified DoD aviation programs.


Work Environment:

Ability to work at a desk and operate a computer for extended periods. Work performed fully on-site in a secure, closed-area facility.

Work Schedule:

This is a full-time position, typically working 40 hours per week. Overtime may be required depending on operational needs. Full-time, typically 40 hours per week; overtime may be required during key integration events, test campaigns, or major milestones.

Infinity Benefits:

Great Company Culture. Infinity firmly believes that our success is due to the happiness and personal satisfaction of our employees. 

Health Benefits. 100% Company Paid monthly Medical and Dental premiums for you AND your family. 

Prepare for the Future. 401(k) company contribution, with free professional financial planning advisors 

Rest and Relaxation.  Three weeks' Vacation – and we offer an annual company reward trip after one year of employment.

Health and Wellness. We offer 48 hours of sick leave, in addition to your Vacation, as well as Flex-Spending options (Medical and Dependent Care) 

Work that Stays at Work. Genuine work/life balance and flexibility. We know our employees have lives outside of work and we support you in living them! 

Education and Professional Training Reimbursement.  We support our employees career aspirations and growth through our Education Reimbursement Program! 

Profit Sharing Plan.  Infinity’s success is due to our employees which is why all eligible employees receive an annual payout based on our Profit-Sharing Plan. 

 
U.S. Citizenship is required.

EOE including disability/vet

To learn more about our company and benefits, please visit: Infinity Careers

Application Deadline: This will be posted for a minimum of 30 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants.