Leidos
Overview
Join to apply for the
Principal Software Engineer C#
role at
Leidos . Location: Vista, CA. Candidates local to Vista, CA with the ability to work a hybrid schedule (3 days remote, 2 days onsite). This position is for the
Principal Software Engineer (C#)
to work for the
Security Enterprise Solutions (SES)
business unit in Vista, CA. The SES unit designs and manufactures security equipment for border crossings, airports, seaports, and other transportation mechanisms, including radiation detectors, spectrometers, X-ray and gamma ray scanners, and CT explosives detection equipment for airline passenger baggage. The goal is to update existing designs and introduce new products to the security detection product line. Key Responsibilities
Technical Contribution and Collaboration: Contribute to the design, development, testing, and maintenance of services, simulators, and diagnostics (WPF and Blazor) using C#. Provide technical leadership by guiding architectural decisions, fostering team collaboration, and ensuring alignment with best practices. Lead the adoption of tools, including AI-based software development tools, to enhance productivity and innovation. Promote team buy-in and shared ownership of technical solutions and processes. Software Development and Security Compliance: Develop software that adheres to industry security standards and enhances the security compliance of the codebase and coding practices. Utilize object-oriented design principles, practices, and patterns to ensure the codebase is reusable and maintainable. Apply Test-Driven Development (TDD) and Continuous Integration to ensure high-quality, continuously tested code. Collaborate with Electrical Engineering, Mechanical Engineering, and Scientists to meet customer requirements. Problem Solving and Innovation: Evaluate customer problems, troubleshoot issues, and assist Field Service Engineers with problem resolution. Drive innovation by researching and integrating best practices to develop cutting-edge solutions. Business Development Support: Assist with business development efforts, including initial concept solutioning/architecting, conops, estimating, and technical bid and proposal work. Evaluate and explain tradeoffs between cost, quality, and speed of delivery to less technical members of the business development team. Customer Interaction: Interact with customers of varying technical levels to explain and defend approaches, limitations, and solutions. Answer technical questions and work collaboratively with customers to develop solutions that meet their needs. Project Estimation and Sustainability: Develop project estimates for budgeting and scheduling, including allocations for sustaining engineering, obsolescence management, and technical debt remediation. Evaluate and recommend technical directions for sustaining and obsolescence activities to ensure long-term product viability. Incorporate forward-thinking strategies into estimates to support sustainable product lines and reduce long-term risks. Communication and Reporting: Communicate proactively and effectively within a small cross-functional development team environment. Report project status and issues to management as required. Required Skills
BS Degree and 12+ years of experience or Masters Degree with 10+ years of experience. May consider additional years of experience in lieu of a degree. Must have the ability to obtain a Public Trust clearance. Strong programming background with production product development experience in C# required. Mastery of object-oriented design (OOD) principles and practices. Proven experience in software architecture and leadership roles. Expertise in Agile methodologies, including TDD and Continuous Integration. Ability to create design documentation, requirements specifications, and other technical documentation. Strong troubleshooting and bug-fixing skills. Effective communication and collaboration skills in cross-functional team environments. Ability to explain technical tradeoffs and solutions to non-technical stakeholders. Experience developing project estimates for budgeting and scheduling, including allocations for sustaining engineering and technical debt remediation. Must be willing to travel abroad. If travel is necessary, typically it will be required. Desired Skills
Proficiency with AI-based software development tools. Experience developing software that complies with industry security standards. Experience identifying code smells and utilizing refactoring techniques to reduce entropy in the codebase. Proficiency with UML and documented design methodologies. Experience with revision control (e.g., Git), multi-threading, TCP/IP networking, bus architectures, Web Services, Blazor, containers (e.g., Docker), Visual Studio, C++, SQL Server, and interfacing with real-time/embedded systems. Knowledge of image processing techniques. Note: This refined description preserves the essential job information and responsibilities while removing extraneous boilerplate and improving structure. The content remains focused on the role, requirements, and expectations for a Principal Software Engineer (C#) at Leidos.
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Join to apply for the
Principal Software Engineer C#
role at
Leidos . Location: Vista, CA. Candidates local to Vista, CA with the ability to work a hybrid schedule (3 days remote, 2 days onsite). This position is for the
Principal Software Engineer (C#)
to work for the
Security Enterprise Solutions (SES)
business unit in Vista, CA. The SES unit designs and manufactures security equipment for border crossings, airports, seaports, and other transportation mechanisms, including radiation detectors, spectrometers, X-ray and gamma ray scanners, and CT explosives detection equipment for airline passenger baggage. The goal is to update existing designs and introduce new products to the security detection product line. Key Responsibilities
Technical Contribution and Collaboration: Contribute to the design, development, testing, and maintenance of services, simulators, and diagnostics (WPF and Blazor) using C#. Provide technical leadership by guiding architectural decisions, fostering team collaboration, and ensuring alignment with best practices. Lead the adoption of tools, including AI-based software development tools, to enhance productivity and innovation. Promote team buy-in and shared ownership of technical solutions and processes. Software Development and Security Compliance: Develop software that adheres to industry security standards and enhances the security compliance of the codebase and coding practices. Utilize object-oriented design principles, practices, and patterns to ensure the codebase is reusable and maintainable. Apply Test-Driven Development (TDD) and Continuous Integration to ensure high-quality, continuously tested code. Collaborate with Electrical Engineering, Mechanical Engineering, and Scientists to meet customer requirements. Problem Solving and Innovation: Evaluate customer problems, troubleshoot issues, and assist Field Service Engineers with problem resolution. Drive innovation by researching and integrating best practices to develop cutting-edge solutions. Business Development Support: Assist with business development efforts, including initial concept solutioning/architecting, conops, estimating, and technical bid and proposal work. Evaluate and explain tradeoffs between cost, quality, and speed of delivery to less technical members of the business development team. Customer Interaction: Interact with customers of varying technical levels to explain and defend approaches, limitations, and solutions. Answer technical questions and work collaboratively with customers to develop solutions that meet their needs. Project Estimation and Sustainability: Develop project estimates for budgeting and scheduling, including allocations for sustaining engineering, obsolescence management, and technical debt remediation. Evaluate and recommend technical directions for sustaining and obsolescence activities to ensure long-term product viability. Incorporate forward-thinking strategies into estimates to support sustainable product lines and reduce long-term risks. Communication and Reporting: Communicate proactively and effectively within a small cross-functional development team environment. Report project status and issues to management as required. Required Skills
BS Degree and 12+ years of experience or Masters Degree with 10+ years of experience. May consider additional years of experience in lieu of a degree. Must have the ability to obtain a Public Trust clearance. Strong programming background with production product development experience in C# required. Mastery of object-oriented design (OOD) principles and practices. Proven experience in software architecture and leadership roles. Expertise in Agile methodologies, including TDD and Continuous Integration. Ability to create design documentation, requirements specifications, and other technical documentation. Strong troubleshooting and bug-fixing skills. Effective communication and collaboration skills in cross-functional team environments. Ability to explain technical tradeoffs and solutions to non-technical stakeholders. Experience developing project estimates for budgeting and scheduling, including allocations for sustaining engineering and technical debt remediation. Must be willing to travel abroad. If travel is necessary, typically it will be required. Desired Skills
Proficiency with AI-based software development tools. Experience developing software that complies with industry security standards. Experience identifying code smells and utilizing refactoring techniques to reduce entropy in the codebase. Proficiency with UML and documented design methodologies. Experience with revision control (e.g., Git), multi-threading, TCP/IP networking, bus architectures, Web Services, Blazor, containers (e.g., Docker), Visual Studio, C++, SQL Server, and interfacing with real-time/embedded systems. Knowledge of image processing techniques. Note: This refined description preserves the essential job information and responsibilities while removing extraneous boilerplate and improving structure. The content remains focused on the role, requirements, and expectations for a Principal Software Engineer (C#) at Leidos.
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