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Internship Defense Contractor Software Engineer Jobs in Austin, TX

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 ...

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 ...

Neuralink

Software Engineer, Implant

Austin, TX · On-site

$119K - $200K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Responsibilities: As a Software Engineer on the Brain Interfaces Software Team, your ... Temporary Employees & Interns excluded

KRUSH Tech Inc

Software Engineer

Austin, TX · On-site

  • 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 ...

KRUSH Tech Inc

Software Engineer

Austin, TX · On-site

  • 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 ...

New

Firefly Aerospace

Principal Software Engineer

Cedar Park, TX · On-site +1

$126K - $170K/yr

  • Medical

  • Dental

  • Vision

  • PTO

ABOUT Firefly Aerospace is a space and defense technology company on a mission to reliably and ... Firefly is seeking a Principle Software Engineer to lead the development of critical features ...

Firefly Aerospace

Principal Software Engineer

Cedar Park, TX · On-site

$126K - $170K/yr

  • Medical

  • Dental

  • Vision

  • PTO

ABOUT Firefly Aerospace is a space and defense technology company on a mission to reliably and ... Firefly is seeking a Principle Software Engineer to lead the development of critical features ...

Firefly Aerospace

Principal Software Engineer

Cedar Park, TX · On-site +1

$126K - $170K/yr

  • Medical

  • Dental

  • Vision

  • PTO

ABOUT Firefly Aerospace is a space and defense technology company on a mission to reliably and ... Firefly is seeking a Principle Software Engineer to lead the development of critical features ...

Allen Control Systems

Software Engineer - All Levels

Austin, TX · On-site

$94K - $332K/yr

  • 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 an autonomous gun ...

Allen Control Systems

Software Engineer - All Levels

Austin, TX · On-site

$94K - $332K/yr

  • 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 an autonomous gun ...

Ametek

Embedded Software Engineer

Austin, TX · On-site

$130K - $171K/yr

As an Embedded Software Engineer, you will design, develop, and support next-generation FPGA and RF ... the defense and science industries. New challenges arise every day that require sharp problem ...

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All JobsDefense Contractor Software Engineer JobsInternship Defense Contractor Software Engineer JobsInternship Defense Contractor Software Engineer Jobs in Austin, TX

Internship Defense Contractor Software Engineer information

See Austin, TX salary details

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How much do internship defense contractor software engineer jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for internship defense contractor software engineer in Austin, TX is $25.19, according to ZipRecruiter salary data. Most workers in this role earn between $20.48 and $28.61 per hour, depending on experience, location, and employer.

What types of projects might I work on as an internship defense contractor software engineer?

As an intern software engineer at a defense contractor, you can expect to work on a variety of projects ranging from developing and testing embedded systems to supporting simulation tools and software used in defense applications. Interns often collaborate with multidisciplinary teams, including engineers, analysts, and project managers, to contribute to real-world solutions such as cybersecurity, radar systems, or mission planning software. The work environment is typically fast-paced and emphasizes security protocols, so you'll also gain experience working within strict compliance and documentation standards. These experiences not only build technical skills but also provide insight into how large, complex projects are managed in the defense industry.

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

To thrive as an Internship Defense Contractor Software Engineer, you should have a strong foundation in computer science principles, programming languages (such as C++ or Java), and be enrolled in or have completed relevant coursework. Familiarity with secure software development practices, integrated development environments (IDEs), and version control systems like Git is typically expected. Strong problem-solving abilities, attention to detail, teamwork, and effective communication are essential soft skills in this setting. These competencies are crucial for developing high-quality, secure software that meets stringent defense industry standards while collaborating effectively in multidisciplinary teams.

What does an internship defense contractor software engineer do?

An Internship Defense Contractor Software Engineer assists in developing, testing, and maintaining software systems for defense-related projects under the guidance of experienced engineers. Interns may work on tasks such as coding, debugging, software integration, and documentation, often focusing on secure and reliable solutions for military or government applications. They typically collaborate with multidisciplinary teams to support the development of technologies like radar systems, communications software, or cybersecurity tools. This role provides valuable hands-on experience in a highly regulated and impactful industry.

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

The most popular types of Defense Contractor Software Engineer jobs in Austin, TX are:

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

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Internship Defense Contractor Software Engineer jobs near you
Infographic showing various Internship Defense Contractor Software Engineer job openings in Austin, TX as of August 2026, with employment types broken down into 1% Internship, 86% Full Time, 9% Part Time, and 4% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $52,402 per year, or $25.2 per hour.

Senior Software Engineer

Modern Intelligence

Austin, TX

$175K - $225K/yr

Full-time

Re-posted 13 days ago

Job description

Modern Intelligence is building the foundational AI for defense. Over the next decade, the US military and our allies will 10x the number of sensors we field to see the battlefield but cannot 10x the number of service members manually watching sensor feeds – the way sensor data is processed today. 

At Modern you will be working alongsideengineers, researchers, and businessmen, people who have backgrounds in the Army, the Navy, Biotech, Google, Raytheon, Anduril, the NSA, and more. 
We have raised more than $12M from investors such as Bedrock, Vine, Contrary, Air Street, Caffeinated, Champion Hill, Swell, Myelin and others.

One of our products, Cutlass, is an automated targeting AI that detects, remembers, and shares targets in real time by watching any sensor on any network – Delivering modular, insightful knowledge of where adversaries are on any drone, ship, vehicle, satellite, or command center. Our AI research helps Cutlass learn targets with little data, little compute, and the most intuitive, humane knowledge. Cutlass has been tested in multiple DOD exercises and is currently being used in live DOD missions.

We are looking for a Senior Software Engineer to lead the Cutlass software team. We are looking for someone who is an outstanding and productive coder, butalso has strong design and leadership skills. They should be able to take high level requirements from their leaders, refine them, put together a design document, get their document appropriately reviewed, plan, and then lead the execution of those plans with minimal oversight from theirleaders.They should be able to provide an effective interface between their team, other teams, and their leaders both on the technical side as well as on the business side. 

As the Cutlass Software Lead you will work alongside our Director of Engineering, the Machine Learning Lead, and the Data Science Lead to set the direction for Cutlass as a whole. You will have tremendous influence over our tech stack and architecture, but also the future engineering culture at Modern, as well as the future of Modern as a company.

We are gathering the most ambitious AI researchers, software engineers, and mission leaders in defense because we believe defense is the future of defense, and defense is the future of AI.

This role requires someone who is capable of getting a DoD security clearance; someone who can work onsite to help establish the engineering culture at the company; as well as someone who is able to travel both domestically and internationally multiple times a quarter. 
Requirements
  • Has led a team of 3+ junior engineers on projects that have spanned multiple quarters. 
  • Experience coaching/mentoring junior engineers on topics such as code quality, version control best practices, testing, and other general software engineering skills (as well as be an expert on these topics themselves) 
  • Experience writing and reviewing design documents 
  • Strong organizational, planning, and communication skills. 
  • Must be capable of getting a security clearance 
Preferred Qualifications
  • Experience with Python 
  • Experience with Docker or other OCI software 
  • Experience with time sensitive software (this might be expressed as working on embedded devices, safety critical systems, operating systems, media software, etc) 
  • Experience interfacing Python with other languages (language bindings, SWIG, Boost Python, etc) 
  • Experience with a compiled programming language - preferably either C, C++, or Rust
Nice to Have
  • Experience with machine learning 
  • Experience with ffmpeg or video transcoding 
  • Experience with optics or applied math 
  • Experience with Nuitka  or other Python compilation 
  • Experience with Multiprocess Python  
  • Experience with TypeScript  
  • Experience with Node.js  
  • Experience with LLVM  
  • Security Clearance 
Equity 
Full medical, dental, and vision benefits 
Discretionary PTO 
Paid Parental Leave 
If you're passionate about leveraging your software engineering skills to develop life-saving technologies, push the boundaries of AI research, and work alongside the best in the field, we want you. Help us build the future of defense—apply now and make a tangible difference in the world! 

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.