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Defense Software Engineer Jobs in Indianapolis, IN

Sr. Software Engineer

Indianapolis, IN · On-site

$117K - $154K/yr

... defense and government solutions business specializing in advanced technology systems and mission ... Its capabilities include data science, software development, network engineering, intelligence ...

Sr. Software Engineer

Indianapolis, IN · On-site +1

$117K - $154K/yr

... defense and government solutions business specializing in advanced technology systems and mission ... Its capabilities include data science, software development, network engineering, intelligence ...

Sr. Software Engineer

Indianapolis, IN · On-site +1

$117K - $154K/yr

... defense and government solutions business specializing in advanced technology systems and mission ... Its capabilities include data science, software development, network engineering, intelligence ...

... defense solutions recognized around the world. Responsibilities The Senior Software Engineer will ... join our multi-discipline Agile/DevSecOps Development team in Indianapolis, IN, supporting our NSI ...

Senior Software Engineer

Indianapolis, IN · On-site

$117K - $154K/yr

Responsibilities The Senior Software Engineer will join our multi-discipline Agile/DevSecOps ... Department of Defense (DoD) security clearance. #EngIndy

Join us and help shape the future of aerospace and defense. Our Battle Management Software Department is looking for software engineers to support development, test, and other tasks throughout a ...

Senior Software Engineer

Indianapolis, IN

$117K - $154K/yr

... defense solutions recognized around the world. Responsibilities The Senior Software Engineer will ... join our multi-discipline Agile/DevSecOps Development team in Indianapolis, IN, supporting our NSI ...

Principal Software Engineer

Indianapolis, IN

$129K - $173K/yr

Join us and help shape the future of aerospace and defense. Our Battle Management Software Department is looking for software engineers to support development, test, and other tasks throughout a ...

Software Engineer II

Indianapolis, IN · On-site

$69 - $131/hr

Join us and help shape the future of aerospace and defense. Our Battle Management Software Department is looking for software engineers to support development, test, and other tasks throughout a ...

Join us and help shape the future of aerospace and defense. Location and Role Type This position ... Work closely with other software engineers and systems engineers to design ideal solutions with the ...

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Showing results 1-20

Defense Software Engineer information

See Indianapolis, IN salary details

$60.7K

$141K

$196.4K

How much do defense software engineer jobs pay per year?

As of Sep 1, 2026, the average yearly pay for defense software engineer in Indianapolis, IN is $141,013.00, according to ZipRecruiter salary data. Most workers in this role earn between $114,700.00 and $165,400.00 per year, depending on experience, location, and employer.

What is a defense software engineer?

A Defense Software Engineer develops, tests, and maintains software for military and defense applications. They work on secure, mission-critical systems such as weapons control, cybersecurity, and communication networks. Their role requires proficiency in programming languages, security protocols, and compliance with defense standards. Due to the nature of the industry, security clearances and adherence to classified information policies are often required.

What types of projects and technologies do defense software engineers typically work on?

Defense Software Engineers often work on projects involving the development and maintenance of software for military systems, such as radar, communications, simulation, or weapons control platforms. They frequently use technologies like embedded systems, secure coding practices, and specialized hardware interfaces. Project work can range from upgrading legacy systems to designing cutting-edge capabilities, often requiring adherence to rigorous security and compliance protocols. Collaboration with systems engineers, hardware teams, and government stakeholders is typical, offering a dynamic and mission-driven work environment. This exposure helps engineers build specialized expertise while contributing directly to national security initiatives.

What are the key skills and qualifications needed to thrive in the defense software engineer position, and why are they important?

To thrive as a Defense Software Engineer, you need expertise in software development, a strong grasp of cybersecurity principles, and familiarity with defense industry standards, typically demonstrated by a degree in computer science, engineering, or a related field. Experience with programming languages such as C++, Java, or Python, knowledge of real-time operating systems, and certifications like Security+ or CISSP are often required. Attention to detail, problem-solving abilities, and the capacity to work collaboratively in multidisciplinary teams are valuable soft skills. These competencies ensure that complex, secure, and mission-critical software solutions are effectively developed and maintained to meet stringent defense requirements.

Infographic showing various Defense Software Engineer job openings in Indianapolis, IN as of August 2026, with employment types broken down into 87% Full Time, 10% Part Time, and 3% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $141,013 per year, or $67.8 per hour.

Software Engineer

ManTech International

Indianapolis, IN • On-site

Full-time

Re-posted 5 days ago


ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

48th of 247 rated software companies


Job description

General information
Requisition #
R69812
Locations
USA-IN-Indianapolis, USA-IN-Crane
Posting Date
08/07/2026
Security Clearance Required
Secret
Remote Type
Onsite
Time Type
Full time
Description & Requirements
Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!
MANTECH seeks a motivated, career and customer-oriented Software Engineer to join our team in the Crane, IN location. This is an onsite position.
Responsibilities include, but are not limited to:
  • Apply knowledge of computer science concepts and techniques, mathematics, and methods of statistical analysis to develop and apply automated solutions to resolve engineering and scientific problems.
  • Use mathematical, statistical, and scientific logic to identify conceptual or theoretical solutions to problems of data processing hardware or software systems design and operations.
  • Analyze and formulate architectural and functional specifications, interfaces, and data structures.
  • Research applications for hardware, software, and operating systems related to military systems.
  • Write, modify, and adapt computer programs in machine level, assembly, and third or fourth generation programming languages
  • Investigate and implement software-based enhancements to improve performance of position estimation systems

Minimum Qualifications:
  • Master's degree in Computer Science, Software Engineering, or a related Technical degree, or a Bachelor's degree with the same or similar curriculum focus and 11+ years of relevant experience, or an Associate's degree and 14+ years of relevant experience in lieu of Masters degree
  • 8+ years of professional experience relevant to software engineering functional responsibilities
  • 5+ years of professional experience using C++
  • Experience with real-time embedded systems programming and Linux

Preferred Qualifications:
  • Knowledge of digital signal processing and/or navigation system operations
  • Experience with Applied Research, algorithm development/implementation, non-linear algebra
  • Background in Aerospace/Aeronautical Engineering

Clearance Requirements:
  • Must be a U.S. Citizen and have the ability to obtain and maintain an active United States Government Secret security clearance.
  • Candidate will be required to obtain an interim Secret clearance before onboarding

Physical Requirements:
  • Must be able to remain in a stationary position 50% of the time
  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer
  • Move about freely in an office / laboratory setting

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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