Senior Software Engineer

Leidos Holding$107K — $195K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's degree in Computer Science, Computer Engineering, or related STEM field.
  • 8-12 years of software development experience (8-12 years with Bachelor's degree or 6-10 years with Master's degree).
  • Strong coding skills in Java and C++.
  • Experience with Docker or Kubernetes and a solid understanding of containerization.
  • Must be a U.S. Citizen and eligible for a Secret security clearance.

Responsibilities

  • Lead the development and integration of a new radar model into an existing framework.
  • Collaborate with radar engineers to define functional requirements for new software.
  • Follow DoD DevSecOps best practices to ensure cybersecurity compliance.
  • Adapt to evolving customer and operational requirements.
  • Communicate effectively with a multidisciplinary team, including software developers and engineers.

Benefits

  • Work in a mission-driven environment supporting national security.
  • Collaborate with experienced professionals in a technical setting.
  • Opportunity for mentoring junior engineers.
  • Potential for involvement in cutting-edge radar technologies.
  • Engagement with a multi-contractor team at a U.S. government facility.
Full Job Description
Leidos' Defense Sensor Research and Analysis Division is seeking a talented, self-motivated Senior Software Engineer with strong expertise in Java and C++, modern containerized development environments, and the ability to support U.S. government defense programs requiring eligibility for a Secret security clearance.

As part of our team at Redstone Arsenal, you will contribute to the development of mission critical software supporting the Missile Defense Agency (MDA). Our organization develops advanced software products used for missile defense test planning, training, and operational analysis while providing engineering and testing support for complex radar systems. Leidos maintains offices across the United States, delivering innovative engineering, scientific, cybersecurity, and IT solutions for defense, space, and commercial customers.

Your greatest work is ahead

In this role, you will help develop and enhance a fielded software product used to evaluate radar placement, assess system performance, and support relocation planning for deployed missile defense radar systems. You will collaborate closely with experienced software engineers, radar specialists, and systems analysts to deliver high quality capabilities that directly support national security missions.

The ideal candidate is a proactive problem solver who thrives in a collaborative technical environment, communicates effectively across multidisciplinary teams, and enjoys mentoring junior engineers while contributing as a senior technical leader.

If this sounds like the kind of environment where you can thrive, keep reading!

Primary Responsibilities

In this role you will serve as the lead developer for a new radar model and its integration into an existing radar planner framework. This role will require close collaboration with radar engineers to determine the functional requirements of the new radar model. In this role you will operate according to DoD DevSecOps best practices to ensure all code meets rigorous cyber security requirements.

Because customer priorities and operational requirements evolve quickly, you must be comfortable responding to changing requirements and delivering high quality solutions in a fast-paced environment.

You will work closely with an established team of software developers while collaborating daily with systems engineers, radar engineers, government personnel, and industry partners. Success in this role requires strong technical leadership, effective communication, and the ability to work across multidisciplinary teams to solve complex engineering challenges.

This position is performed entirely on site at government facilities in Huntsville, Alabama, where you will work as part of a multi-contractor team. As a representative of Leidos, you will be expected to demonstrate technical excellence, professionalism, integrity, and a strong commitment to supporting the customer and mission.

Basic Qualifications
  • Bachelor's degree in Computer Science, Computer Engineering, or a related STEM field with 8 to 12 years of software development experience, or a Master's degree in a related STEM field with 6 to 10 years of relevant experience.
  • Strong proficiency in Java and C++ development.
  • Experience with Docker or Kubernetes, along with a solid understanding of containerization concepts.
  • Must currently reside in the North Alabama/Huntsville area or be willing to relocate.
  • Must be a U.S. Citizen and able to obtain and maintain a Secret security clearance.


Preferred Qualifications
  • Significant experience using GitLab, including repository management, branching strategies, and Continuous Integration (CI) pipeline development and maintenance.
  • Experience developing radar simulation and visualization software.
  • Experience developing 3D visualization graphical user interfaces (GUIs) using Java.
  • Experience with modeling and simulation (M&S) software, tools, or frameworks.


Original Posting:
July 7, 2026

Pay Range:
Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

Internship Programs

For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

Join the Team

Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Prepare for Your Interview

To prepare for an interview at Leidos Holding, candidates should familiarize themselves with the company's missions and values, update their resumes, and be ready to discuss how their background and skills align with the position they are applying for.

Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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