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Principal Software Engineer - Careers at Leidos

Leidos

Principal Software Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Principal Software Engineer - Leidos Intel Security Sector

Leidos seeks a Principal Software Engineer for its Analysis Solutions Business Area in Bethesda, MD. Join a team leading in Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and Cryptographic Key Management. Make an impact on National Security with competitive benefits including PTO, 11 holidays, 401K with 6% match, flexible schedules, stock plans, upskilling, education support, and parental leave.

Job Summary

Build robust systems, software, and cloud environments. Provide operations/maintenance for critical systems. Deliver technical expertise in design, development, implementation, and testing of customer tools using DevOps frameworks. Lead projects through full SDLC: estimation, architecture, design, coding, unit testing.

Primary Responsibilities

  • Direct programming in Java, JavaScript, Python, SpringBoot, Hibernate.
  • Develop validation/testing with Junit, Katalon; leverage automated deployments.
  • Prototype/deploy cloud solutions using AWS, Azure, Google Cloud services.
  • Collaborate with teams for User Story alignment to mission use cases.
  • Drive Agile/SDLC with SAFe, GitHub, Jenkins, bash, JIRA, Confluence.
  • Analyze infrastructure via POC, performance, end-to-end testing.
  • Innovate with best practices for customer technical needs.

Basic Qualifications

  • Deep Agile, service-oriented, DevOps experience.
  • Expertise in Java, Spring, C2S, SDLC, DevOps tools.
  • Proven testing with Junit/Katalon, Python/Bash in Agile.
  • Cloud development: AWS/Azure/GCP, S3/RDS/EFS.
  • Version control/issue tracking proficiency.
  • BS +12yrs or MS +10yrs experience.
  • Active TS/SCI with polygraph.

Preferred Qualifications

  • Structured analysis/design methodologies.
  • Customer system development policy knowledge.

Pay Range: $131,300 - $237,350 USD/year. Leidos outthinks and outpaces the status quo for mission-critical innovation.

Locations

  • Bethesda, Maryland, United States

Salary

131,300 - 237,350 USD / yearly

Estimated Salary Rangehigh confidence

131,300 - 237,350 USD / yearly

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

Skills Required

  • Javaintermediate
  • JavaScriptintermediate
  • Pythonintermediate
  • SpringBootintermediate
  • Hibernateintermediate
  • Junitintermediate
  • Katalonintermediate
  • GitHubintermediate
  • Jenkinsintermediate
  • Unix bash scriptingintermediate
  • JIRAintermediate
  • Confluenceintermediate
  • AWSintermediate
  • Google Cloudintermediate
  • Azureintermediate
  • S3intermediate
  • RDSintermediate
  • EFSintermediate

Required Qualifications

  • Bachelor’s degree with 12+ years of prior relevant experience or Master’s with 10+ years of relevant experience (experience)
  • Active TS/SCI with polygraph security clearance (experience)
  • In-depth experience with Java, Spring, C2S and the software development lifecycle in DevOps (experience)
  • Direct experience with Junit/Katalon, Python, Bash in Agile environments (experience)
  • In-depth experience with Commercial Cloud Platforms (AWS, Google Cloud, Azure) and data services (experience)
  • In-depth experience using version control and issue tracking systems (experience)
  • Experience with Agile practices, SAFe, service-oriented environments (experience)

Responsibilities

  • Participate in/direct software programming using Java, JavaScript, Python, SpringBoot, Hibernate
  • Develop software validation/testing methods using Junit, Katalon, and automated deployment
  • Develop, prototype, deploy solutions in Commercial Cloud leveraging infrastructure services
  • Coordinate with team, Product Owners, Scrum Masters for User Story alignment
  • Support Agile lifecycle with SAFe, DevOps tools like GitHub, Jenkins, JIRA, Confluence
  • Analyze and coordinate infrastructure needs via POC, performance, end-to-end testing
  • Apply best practices for innovative solutions meeting customer mission needs

Benefits

  • general: Paid Time Off
  • general: 11 paid Holidays
  • general: 401K with 6% company match and immediate vesting
  • general: Flexible Schedules
  • general: Discounted Stock Purchase Plans
  • general: Technical Upskilling
  • general: Education and Training Support
  • general: Parental Paid Leave

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Leidos logo

Principal Software Engineer - Careers at Leidos

Leidos

Principal Software Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Principal Software Engineer - Leidos Intel Security Sector

Leidos seeks a Principal Software Engineer for its Analysis Solutions Business Area in Bethesda, MD. Join a team leading in Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and Cryptographic Key Management. Make an impact on National Security with competitive benefits including PTO, 11 holidays, 401K with 6% match, flexible schedules, stock plans, upskilling, education support, and parental leave.

Job Summary

Build robust systems, software, and cloud environments. Provide operations/maintenance for critical systems. Deliver technical expertise in design, development, implementation, and testing of customer tools using DevOps frameworks. Lead projects through full SDLC: estimation, architecture, design, coding, unit testing.

Primary Responsibilities

  • Direct programming in Java, JavaScript, Python, SpringBoot, Hibernate.
  • Develop validation/testing with Junit, Katalon; leverage automated deployments.
  • Prototype/deploy cloud solutions using AWS, Azure, Google Cloud services.
  • Collaborate with teams for User Story alignment to mission use cases.
  • Drive Agile/SDLC with SAFe, GitHub, Jenkins, bash, JIRA, Confluence.
  • Analyze infrastructure via POC, performance, end-to-end testing.
  • Innovate with best practices for customer technical needs.

Basic Qualifications

  • Deep Agile, service-oriented, DevOps experience.
  • Expertise in Java, Spring, C2S, SDLC, DevOps tools.
  • Proven testing with Junit/Katalon, Python/Bash in Agile.
  • Cloud development: AWS/Azure/GCP, S3/RDS/EFS.
  • Version control/issue tracking proficiency.
  • BS +12yrs or MS +10yrs experience.
  • Active TS/SCI with polygraph.

Preferred Qualifications

  • Structured analysis/design methodologies.
  • Customer system development policy knowledge.

Pay Range: $131,300 - $237,350 USD/year. Leidos outthinks and outpaces the status quo for mission-critical innovation.

Locations

  • Bethesda, Maryland, United States

Salary

131,300 - 237,350 USD / yearly

Estimated Salary Rangehigh confidence

131,300 - 237,350 USD / yearly

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

Skills Required

  • Javaintermediate
  • JavaScriptintermediate
  • Pythonintermediate
  • SpringBootintermediate
  • Hibernateintermediate
  • Junitintermediate
  • Katalonintermediate
  • GitHubintermediate
  • Jenkinsintermediate
  • Unix bash scriptingintermediate
  • JIRAintermediate
  • Confluenceintermediate
  • AWSintermediate
  • Google Cloudintermediate
  • Azureintermediate
  • S3intermediate
  • RDSintermediate
  • EFSintermediate

Required Qualifications

  • Bachelor’s degree with 12+ years of prior relevant experience or Master’s with 10+ years of relevant experience (experience)
  • Active TS/SCI with polygraph security clearance (experience)
  • In-depth experience with Java, Spring, C2S and the software development lifecycle in DevOps (experience)
  • Direct experience with Junit/Katalon, Python, Bash in Agile environments (experience)
  • In-depth experience with Commercial Cloud Platforms (AWS, Google Cloud, Azure) and data services (experience)
  • In-depth experience using version control and issue tracking systems (experience)
  • Experience with Agile practices, SAFe, service-oriented environments (experience)

Responsibilities

  • Participate in/direct software programming using Java, JavaScript, Python, SpringBoot, Hibernate
  • Develop software validation/testing methods using Junit, Katalon, and automated deployment
  • Develop, prototype, deploy solutions in Commercial Cloud leveraging infrastructure services
  • Coordinate with team, Product Owners, Scrum Masters for User Story alignment
  • Support Agile lifecycle with SAFe, DevOps tools like GitHub, Jenkins, JIRA, Confluence
  • Analyze and coordinate infrastructure needs via POC, performance, end-to-end testing
  • Apply best practices for innovative solutions meeting customer mission needs

Benefits

  • general: Paid Time Off
  • general: 11 paid Holidays
  • general: 401K with 6% company match and immediate vesting
  • general: Flexible Schedules
  • general: Discounted Stock Purchase Plans
  • general: Technical Upskilling
  • general: Education and Training Support
  • general: Parental Paid Leave

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

Get personalized recommendations to optimize your resume specifically for Principal 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 "Principal 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 Bethesda MDLeidos CareersDefense IT JobsSoftware Engineering United StatesCleared PositionsEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Principal 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.