Resume and JobRESUME AND JOB
Leidos logo

Senior Software Engineer - Careers at Leidos

Leidos

Senior Software Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Senior Software Engineer in Vista, CA

Leidos is seeking a Senior Software Engineer to drive innovation and solve complex technical challenges in Vista, CA. As an experienced technical leader, you'll spearhead projects, mentor engineers, and deliver secure, high-quality C# software solutions. Embrace AI-assisted coding tools like Claude Code to boost productivity and push boundaries in defense and tech innovation.

Key Responsibilities

  • Lead technical projects: Design, develop, test, and maintain software using C#, applying object-oriented principles for reusability.
  • Mentor and collaborate: Guide engineers, foster best practices, and align teams on Agile methodologies.
  • Ensure security and quality: Implement TDD, Continuous Integration, and compliance with industry security standards.
  • Leverage AI innovation: Use tools like Claude Code to streamline development and integrate cutting-edge practices.
  • Solve complex problems: Troubleshoot issues, support field engineers, and research best-in-class solutions.
  • Engage customers: Gather requirements, explain trade-offs, and deliver tailored technical solutions.
  • Plan for sustainability: Develop estimates for budgeting, sustaining engineering, and technical debt remediation.

Required Qualifications

  • Bachelor’s degree in Computer Science or related field with 8–12 years of experience.
  • Strong C# expertise, leadership in technical projects, and mentorship skills.
  • Proficiency in OOD, Agile, troubleshooting, and cross-functional communication.

Desired Skills

  • Experience with AI coding tools, Git, multi-threading, networking, Web Services, security standards, and UML.

Why Leidos?

We're the tech team called for high-stakes weird problems—solved with code, caffeine, and bold innovation. No capes needed. Competitive pay $107,900–$195,050 USD/year, plus full benefits. Break things smartly and build the future.

Locations

  • Vista, California, United States

Salary

107,900 - 195,050 USD / yearly

Estimated Salary Rangehigh confidence

107,900 - 195,050 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • C# programmingintermediate
  • Object-oriented design principlesintermediate
  • Agile methodologiesintermediate
  • Test-Driven Development (TDD)intermediate
  • Continuous Integrationintermediate
  • AI-assisted coding tools (e.g., Claude Code)intermediate
  • Git revision controlintermediate
  • Multi-threadingintermediate
  • Networking protocolsintermediate
  • Web Servicesintermediate
  • Security compliance standardsintermediate
  • UML and design methodologiesintermediate

Required Qualifications

  • Bachelor’s degree in computer science or related field (experience)
  • 8–12 years of software development experience (experience)
  • Proven technical leadership and mentorship (experience)
  • Expertise in troubleshooting complex issues (experience)
  • Strong communication for cross-functional teams and customers (experience)

Responsibilities

  • Lead design, development, testing, and maintenance of C# software solutions
  • Provide technical guidance and mentor engineers
  • Develop secure, compliant software using OOD principles, TDD, and CI
  • Utilize AI tools like Claude Code to enhance productivity and innovation
  • Troubleshoot issues and support Field Service Engineers
  • Interact with customers to define requirements and explain solutions
  • Create project estimates including sustaining engineering and technical debt

Benefits

  • general: Competitive salary range $107,900 - $195,050
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) retirement savings with company match
  • general: Professional development and mentorship opportunities
  • general: Flexible work arrangements and paid time off
  • general: Innovation-driven culture solving high-stakes problems

Target Your Resume for "Senior Software Engineer - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Senior Software Engineer - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Software Engineer - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Vista CALeidos CareersSoftware Engineering United StatesC# JobsAI DevelopmentEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Senior Software Engineer - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.

Leidos logo

Senior Software Engineer - Careers at Leidos

Leidos

Senior Software Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Senior Software Engineer in Vista, CA

Leidos is seeking a Senior Software Engineer to drive innovation and solve complex technical challenges in Vista, CA. As an experienced technical leader, you'll spearhead projects, mentor engineers, and deliver secure, high-quality C# software solutions. Embrace AI-assisted coding tools like Claude Code to boost productivity and push boundaries in defense and tech innovation.

Key Responsibilities

  • Lead technical projects: Design, develop, test, and maintain software using C#, applying object-oriented principles for reusability.
  • Mentor and collaborate: Guide engineers, foster best practices, and align teams on Agile methodologies.
  • Ensure security and quality: Implement TDD, Continuous Integration, and compliance with industry security standards.
  • Leverage AI innovation: Use tools like Claude Code to streamline development and integrate cutting-edge practices.
  • Solve complex problems: Troubleshoot issues, support field engineers, and research best-in-class solutions.
  • Engage customers: Gather requirements, explain trade-offs, and deliver tailored technical solutions.
  • Plan for sustainability: Develop estimates for budgeting, sustaining engineering, and technical debt remediation.

Required Qualifications

  • Bachelor’s degree in Computer Science or related field with 8–12 years of experience.
  • Strong C# expertise, leadership in technical projects, and mentorship skills.
  • Proficiency in OOD, Agile, troubleshooting, and cross-functional communication.

Desired Skills

  • Experience with AI coding tools, Git, multi-threading, networking, Web Services, security standards, and UML.

Why Leidos?

We're the tech team called for high-stakes weird problems—solved with code, caffeine, and bold innovation. No capes needed. Competitive pay $107,900–$195,050 USD/year, plus full benefits. Break things smartly and build the future.

Locations

  • Vista, California, United States

Salary

107,900 - 195,050 USD / yearly

Estimated Salary Rangehigh confidence

107,900 - 195,050 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • C# programmingintermediate
  • Object-oriented design principlesintermediate
  • Agile methodologiesintermediate
  • Test-Driven Development (TDD)intermediate
  • Continuous Integrationintermediate
  • AI-assisted coding tools (e.g., Claude Code)intermediate
  • Git revision controlintermediate
  • Multi-threadingintermediate
  • Networking protocolsintermediate
  • Web Servicesintermediate
  • Security compliance standardsintermediate
  • UML and design methodologiesintermediate

Required Qualifications

  • Bachelor’s degree in computer science or related field (experience)
  • 8–12 years of software development experience (experience)
  • Proven technical leadership and mentorship (experience)
  • Expertise in troubleshooting complex issues (experience)
  • Strong communication for cross-functional teams and customers (experience)

Responsibilities

  • Lead design, development, testing, and maintenance of C# software solutions
  • Provide technical guidance and mentor engineers
  • Develop secure, compliant software using OOD principles, TDD, and CI
  • Utilize AI tools like Claude Code to enhance productivity and innovation
  • Troubleshoot issues and support Field Service Engineers
  • Interact with customers to define requirements and explain solutions
  • Create project estimates including sustaining engineering and technical debt

Benefits

  • general: Competitive salary range $107,900 - $195,050
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) retirement savings with company match
  • general: Professional development and mentorship opportunities
  • general: Flexible work arrangements and paid time off
  • general: Innovation-driven culture solving high-stakes problems

Target Your Resume for "Senior Software Engineer - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Senior Software Engineer - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Software Engineer - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Vista CALeidos CareersSoftware Engineering United StatesC# JobsAI DevelopmentEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Senior Software Engineer - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.