Software Engineer

Leidos Holding$57K — $104K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • U.S. Citizen with active SECRET security clearance or ability to obtain one.
  • Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, or related STEM field.
  • Experience developing and integrating software applications through professional, academic, or project work.
  • Proficiency in Python for applications, automation, and data processing.
  • Experience designing and integrating REST APIs.
  • Familiarity with Linux command-line tools and experience in shell scripting.
  • Knowledge of software testing and debugging for multi-source data integrations.

Responsibilities

  • Collaborate with engineering team to define software requirements and design solutions.
  • Engage with customers to translate mission needs into technical requirements.
  • Develop maintainable and high-performance software applications and services.
  • Create Python-based software for data processing, analytics, and automation.
  • Build intuitive web and desktop user interfaces for system configuration and data visualization.
  • Implement and test software to ensure adherence to project specifications and usability standards.
  • Support testing of prototype systems, including troubleshooting software and hardware interfaces.

Benefits

  • Onsite 9/80B schedule allowing for every other Friday off.
  • Collaboration with a small, dedicated engineering team.
  • Opportunity to work on cutting-edge ocean system prototypes.
  • Engagement in hands-on testing at sea and in lab environments.
  • Direct customer interaction to demonstrate technical solutions.
Full Job Description

The Undersea Systems Division at Leidos currently has an opening for a Software Engineer in San Diego, CA.  Candidate will join a fast-paced engineering group rapidly prototyping a variety of ocean systems. Collaborate across our medium-sized team holding complete technical responsibility for custom development and prototyping across many technical disciplines. Team prototyping efforts span from real-world problem-solving, all the way through concept development, followed by iterative design and testing, and conclude with product demonstrations. Ideal candidates will bring deep experience in firmware and software design and design processes.

This position will require the candidate to maintain a Secret Clearance.

This position will require the candidate to work an onsite 9/80B schedule (80 hours of work into nine days over a two-week period, allowing for every other Friday off) to align with the NIWC government team.

Primary Responsibilities:

• Collaborate with a small engineering team and customers to identify software requirements and evaluate candidate design approaches for solving wide-ranging technical problems.

• Work directly with customers to understand mission needs, translate operational objectives into technical requirements, demonstrate software capabilities, and incorporate feedback throughout development.

• Design and develop maintainable, robust, and performant software applications, services, data pipelines, and user interfaces.

• Develop Python-based software for data processing, analytics, hardware integration, automation, and test applications.

• Build and integrate web-based and desktop user interfaces that enable users to configure systems, visualize data, and monitor operational performance.

• Implement, test, integrate, and verify that software solutions satisfy project and customer requirements for functionality, reliability, performance, and usability.

• Develop and maintain engineering documentation, interface control documents, software requirements specifications, test procedures, and user documentation.

• Communicate regularly across the engineering team and with customers to coordinate development efforts, anticipate design changes, prioritize feature implementations and bug fixes, and solicit feedback.

• Support laboratory, field, and at-sea testing of prototype systems, including troubleshooting software, hardware interfaces, and operational data flows.

• Present technical concepts, development progress, test results, and product demonstrations directly to customers and other stakeholders.

Basic Qualifications:

• U.S. Citizen with an active SECRET security clearance or the ability to obtain one.

• Bachelor’s degree from an accredited institution in Computer Science, Software Engineering, Computer Engineering, or another related STEM field.

• Relevant professional, internship, academic, or project experience developing and integrating software applications.

• Proficiency in Python and experience using Python to develop applications, automation tools, data-processing solutions, or hardware-control software.

• Experience designing, developing, and integrating REST APIs.

• Proficiency in software version-control processes and tools such as Git and GitHub.

• Working knowledge of Linux command-line tools and shell scripting.

• Experience testing software and debugging applications that integrate multiple data sources, services, or hardware components.

• Ability to work effectively within a small, multidisciplinary team and contribute across multiple phases of the software-development lifecycle.

• Ability to interact directly and professionally with customers, including gathering requirements, communicating technical tradeoffs, presenting demonstrations, and responding to feedback.

• Ability to understand complex technical documents and communicate technical ideas effectively in writing, orally, and visually.

Preferred Qualifications:

• Experience with C++ and integrating software with purpose-built electro-mechanical or embedded systems.

• Experience developing modular test architectures that support live hardware, recorded data, simulation, or other test inputs.

• Experience integrating operational telemetry, environmental data, or external web services into software applications.

• Experience developing interactive dashboards, data visualizations, geospatial maps, or configurable filtering capabilities.

• Experience with test automation, build automation, static analysis, and continuous integration processes.

• Familiarity with common embedded or network communications protocols such as Ethernet, TCP/IP, or serial communications.

• Familiarity with embedded electronics test equipment, including power supplies, oscilloscopes, and hardware debuggers.

• Experience supporting laboratory, field, pier-side, or at-sea system integration and testing.

• Experience working directly with government, defense, or technical customers in a rapid-prototyping environment.

• Ability to operate independently, manage changing priorities, and assume broad technical responsibilities within a small team.

SUBSEAMSS



Original Posting:
September 17, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $57,850.00 - $104,575.00

The Leidos pay range for this job level is a general guideline onlyand 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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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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