Lead Software Engineer

Leidos Holding$87K — $157K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or STEM field plus 4+ years software development experience, or 2+ years with a Master's degree.
  • Proficient in C++ and Linux operating systems.
  • Understanding of data structures.
  • Experience with source control and configuration management tools.
  • Significant experience in team environments, guiding and coaching developers.
  • Exposure to high availability, sensor fusion, target tracking, communication systems, or military systems integration.
  • Ability to obtain and maintain a Secret Security Clearance.

Responsibilities

  • Analyze, design, code, and improve software features.
  • Participate in the entire software development lifecycle.
  • Lead small projects, ensuring technical quality and direction.
  • Mentor junior engineers to enhance team capabilities.
  • Conduct peer reviews to ensure software quality and best practices.
  • Drive continuous improvement in tools and engineering processes.
  • Assist in field test evaluations and actionable software enhancements.
  • Engage with stakeholders to communicate technical progress and solutions.

Benefits

  • Travel opportunities up to 25% for field tests and client engagements.
  • Opportunity to work on significant national defense projects.
  • Work within an Agile Scrum team structure for dynamic project management.
  • Professional growth and mentorship from experienced engineers.
Full Job Description
We are seeking an experienced Lead Software Engineer to join our team in developing the forefront of unmanned and autonomous ship development for the US Government. Based in Arlington, VA, you will be embedded within an Agile Scrum team - designing, building, and testing software that powers some of the nation's most critical maritime programs. The candidate will help to lead projects of significant national importance, guiding the transformation of existing vessels into autonomous platforms and supporting the development of new ships from concept through deployment.

What You'll Work On:

Our software portfolio spans the full spectrum of autonomous maritime operations, including:
  • Ship Automation & Control Systems
  • Autonomous Navigation
  • Sensor Fusion & Processing
  • Communication Systems
  • Modeling & Simulation for verification and software testing


Primary Responsibilities
  • Analyze, design, code and update software for new features and performance improvements.
  • Participate in the full software development lifecycle, from requirements and design through implementation, testing, and deployment.
  • Serve as technical lead for small projects, providing direction and ensuring technical quality.
  • Mentor and coach junior engineers, fostering professional growth and elevating team capabilities.
  • Perform peer reviews of software, ensuring quality, maintainability, and adherence to best practices.
  • Drive continuous process improvement, collaborating with the team to optimize workflows, tools, and engineering practices.
  • Assist with evaluating field tests, analyzing results and transitioning findings into actionable software enhancements.
  • Engage directly with client project stakeholders, communicating technical progress, risks, and solutions effectively.
  • Some travel (up to 25%) to support field testing, client engagements, and program milestones.


Basic Qualifications
  • A Bachelor's degree in Computer Science or STEM field plus 4+ years of professional software development experience, or 2+ years of professional experience with a Master's degree.
  • Understanding of data structures.
  • Professional experience using C++ and Linux.
  • Knowledge of the Linux operating system.
  • Experience with software source control and configuration management tools.
  • Significant experience working in a team environment, including experience providing guidance and coaching other developers
  • Exposure to one or more of the following: high availability, sensor fusion, target tracking, path planning, communications systems, or military systems integration.
  • Ability to obtain and maintain a Secret Security Clearance.


Preferred Qualifications
  • Familiarity with the Atlassian tool suite (Jira, Confluence)
  • Familiarity with automated build processes (Bamboo, Jenkins, etc.)
  • Professional experience using Java and front-end development frameworks.
  • Knowledge and experience with relational databases such as Oracle, MySQL, PostgreSQL, MariaDB, or Microsoft SQL Server.
  • Experience with Python.
  • Experience designing complex systems, considering performance and user requirements.
  • Experience with interface communication standards / protocols such as TCP/IP, UDP, and DDS.
  • Familiarity with game theory, artificial intelligence, petri nets, safety critical software.
  • Demonstrated experience with Docker and Kubernetes (RKE2) in containerization, Kubernetes management and automation technologies.
  • Experienced in designing, implementing, and analyzing simulations involving extensive datasets, ensuring efficient data processing and accurate modeling outcomes.
  • Proficient in applying vector geometry concepts for spatial analysis, modeling, and problem-solving in simulation environments.
  • Active Secret Security Clearance preferred


Original Posting:
June 23, 2026

Pay Range:
Pay Range $87,100.00 - $157,450.00

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.

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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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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.

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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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