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Software Engineer C#

Job in Vista, San Diego County, California, 92085, USA
Listing for: Leidos Inc
Full Time position
Listed on 2025-12-08
Job specializations:
  • Software Development
    Software Engineer, C# / Unity Developer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

Description

Leidos is seeking a Software Engineer (C#) to work for the Security Enterprise Solutions (SES) business unit in Vista, CA
. The SES business unit designs and manufactures complex security equipment for border crossings, airports, seaports, and transportation. Our products include radiation detectors, X-ray and gamma ray scanners, and CT explosives detection equipment. The position involves updating existing designs and developing new security detection products to enhance safety and efficiency globally.


* Candidates should be local to Vista, CA, and able to work a hybrid schedule (3 days remote, 2 days onsite).

As part of a cross-functional team, the Software Engineer (C#) will develop and maintain cargo inspection systems for Ports and Borders at Leidos
. This role requires a solid software development foundation, a willingness to learn, and the ability to contribute to innovative solutions.

Key Responsibilities:

Technical Contribution and

Collaboration:

  • Assist in designing, developing, testing, and maintaining services, simulators, and diagnostics (WPF and Blazor) using C#.
  • Collaborate with team members to ensure adherence to best practices and coding standards.
  • Contribute to the adoption of productivity and innovation tools and processes.
  • Work closely with senior engineers to gain experience and contribute to technical solutions.

Software Development and Security Compliance:

  • Develop software compliant with industry security standards, supporting security of the codebase.
  • Use object-oriented design principles to create reusable and maintainable code.
  • Implement Agile practices, including TDD and Continuous Integration, for high-quality code.
  • Collaborate with Electrical, Mechanical Engineering, and Scientists to meet customer needs.

Problem Solving and Innovation:

  • Troubleshoot and resolve technical issues with guidance from senior engineers.
  • Research and integrate best practices for effective solutions.

Communication and Reporting:

  • Communicate effectively within a small, cross-functional team.
  • Report project status and issues to management.

Required Skills:

  • Bachelor's Degree with 2+ years of experience or Master's Degree with less than 2 years of experience; relevant experience may substitute for education.
  • Ability to obtain a Public Trust clearance (US citizenship required).
  • Experience in C# programming within product development.
  • Understanding of object-oriented design principles.
  • Familiarity with Agile, TDD, and CI practices.
  • Ability to produce design and technical documentation.
  • Strong troubleshooting skills.
  • Effective communication and collaboration skills.
  • Willingness to travel abroad (
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