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Internship Defense Contractor Software Engineer Jobs in Alabama

Collabera

Software Engineer

Huntsville, AL

The Contracted Software Engineer will be responsible for: Refreshing software products (board support packages/software development kits). Building software products for Intel based processor boards.

ASRC Federal Holding

Software Engineer

Huntsville, AL · On-site

... contractor furthering missions in space, public health and defense. As an Alaska Native owned ... We are currently seeking Software Engineers to join our team based in Huntsville, AL. Candidates ...

Sigma Defense

1710 - Software Engineer II

Huntsville, AL · On-site

$43.27/hr

Sigma Defense is seeking a Software Engineer II to join our team developing software solutions for ... Requirements * 3-4 years of software development experience (professional, internship, academic, or ...

Sigma Defense

1710 - Software Engineer II

Huntsville, AL · On-site

$43.27/hr

Sigma Defense is seeking a Software Engineer II to join our team developing software solutions for ... Requirements * 3-4 years of software development experience (professional, internship, academic, or ...

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Internship Defense Contractor Software Engineer information

What types of projects might I work on as an intern software engineer at a defense contracting company?

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, and why are they important?

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 Alabama? The most popular types of Defense Contractor Software Engineer jobs in Alabama are:
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Internship Defense Contractor Software Engineer jobs near you
Infographic showing various Internship Defense Contractor Software Engineer job openings in Alabama as of July 2026, with employment types broken down into 1% Locum Tenens, 75% Full Time, 9% Part Time, and 15% Contract. Highlights an 91% Physical, 1% Hybrid, and 8% Remote job distribution.
Software Engineer Mid-level

Software Engineer Mid-level

Invariant Corporation

Huntsville, AL

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 24 days ago

Job description

Software Engineer Mid-level

25-090

Invariant Corporation is seeking a talented and motivated Software Engineer with 7+ years of experience. The ideal candidate would be comfortable working in a hands-on lab environment.

Duties Include

  • Collaborate with software and engineer teams to assist in the generation and review of software requirements and design
  • Software development using Agile Methodology
  • Develop, review, and debug software in C/C++ on Linux and Windows operating systems
  • Develop various hardware interface modules in C++ to communicate via Ethernet, RS232, and/or USB
  • Support source configuration management, requirements verification, bug tracking, and continuous integration (CI) pipelines
  • Support the development of unit tests and the execution of those tests
  • Technical documentation as required

Requirements

Candidate must have a minimum of a bachelors degree in Computer Engineering/Science, or related field with a minimum of 7 years experience in software and hardware, design, development, and integration.

  • U.S. Citizenship required, and successful completion of a background check is mandatory
  • Demonstrated proficiency with C/C++
  • Experienced in the design, debugging, and integration of various software and hardware systems
  • Demonstrated expertise in real-time operating systems, data collection systems, and communications
  • Experience with Git for configuration management/version control
  • Ability to work with a team of software developers

Preferred Skills

  • Secret clearance is preferred
  • Familiarity with microprocessor and microcontroller designs
  • Experience with C/C++, Python, embedded Linux, and Docker containers
  • Experience working with Azure DevOps
  • Familiarity with Qt utility and graphical user interface (GUI) classes
  • Experience in modeling and simulation development
  • Experience with real-time operating systems such as FreeRTOS
  • Experience working in a hands-on laboratory environment utilizing common lab test equipment(s)

Requires ability to

  • Some travel may be required depending on project requirements
  • Work well in a fast-paced and mission-driven environment with co-workers, management, and clients
  • Demonstrate innovation, quick learning, excellent communication skills, and adaptive thinking
  • Work independently with minimal supervision, make rational decisions, and exercise good judgment

Work Environment

  • Office, Lab, and field test environment

This position is expected to be performed only in the state of Alabama.

Subject to the provisions of Code of Alabama 40-18-370, the Company shall give good faith consideration to Alabama residents for employment at the Project.

Invariant Corporation is an Equal Opportunity Employer. All qualified applicants will be considered without regard to race, color, religion, sex, national origin, disability, or veteran status.

Invariant is a drug-free workplace.

Company Description

Headquartered in Huntsville, Alabama, Invariant is a 100% employee owned, non-traditional defense contractor providing advanced engineering solutions to support national defense, homeland security, and law enforcement. We are ISO 9001 certified with secure facilities, labs, and high bay space performing advanced manufacturing, integration, assembly, and testing of mission critical systems. Join a team where innovation fuels impact. At Invariant, every voice contributes, and every employee-owner shares in the success of our mission to protect those who protect us. We’re home to engineers, developers, and specialists—web builders of mission-critical systems, united by purpose and driven by pride. As a 100% employee-owned company, your work doesn’t just power national defense—it helps power your future. Ready to take the next step in your career? Explore our current openings and discover how you can make a lasting impact while building ownership in everything you help create.