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Software Engineer (All Levels) TS/SCI Polygraph - Careers at Leidos

Leidos

Software Engineer (All Levels) TS/SCI Polygraph - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Software Engineer (All Levels) TS/SCI Polygraph at Leidos

Leidos is seeking talented Software Engineers at junior, mid, and senior levels for our Intelligence Sector's Cyber & Analytics Business Area (CABA) in Annapolis Junction, MD. Join a team pioneering 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, and more.

Key Responsibilities

  • Execute full SDLC in Agile teams, from user stories to deployment.
  • Build server-side logic and web UIs using Java, Python, C/C++, Angular, etc.
  • Leverage BDD for robust testing with DevOps automation.
  • Collaborate in stand-ups, sprint planning, and PI planning.
  • Design efficient, reusable code with formal tools and principles.
  • Automate scripts for development, test, and production environments.

Basic Qualifications

  • BS in CS or related + 2+ years (junior); 12-15 years (senior) or Masters + 10-13 years.
  • Must have Java experience and frameworks like Spring Boot, JEE.
  • Multiple languages: JS, Python, C/C++, SQL.
  • IDEs, databases (Oracle, Postgres, MongoDB), web UI tech.
  • TS/SCI with Polygraph required.

Preferred Qualifications

Experience with Java Enterprise, cryptographic frameworks, embedded programming, and special purpose devices.

Why Leidos?

Thrive in a fast-paced environment with top-tier benefits and mission-critical work. Salary range: $131,300 - $237,350 USD/year.

Locations

  • Annapolis Junction, 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
  • Spring Bootintermediate
  • Java Enterprise Edition (JEE)intermediate
  • Pythonintermediate
  • C/C++intermediate
  • JavaScriptintermediate
  • AngularJSintermediate
  • SQLintermediate
  • Eclipseintermediate
  • Visual Studio Codeintermediate
  • Oracleintermediate
  • PostgreSQLintermediate
  • MongoDBintermediate
  • XMLintermediate
  • JSONintermediate
  • HTML/CSSintermediate
  • Web Servicesintermediate
  • Agile Developmentintermediate
  • DevOps Automationintermediate
  • Behavior-Driven Development (BDD)intermediate

Required Qualifications

  • BS degree in Computer Science or related field with 2+ years experience (junior); 12-15 years (senior) or Masters with 10-13 years (experience)
  • Demonstrated experience with Java (experience)
  • TS/SCI with Polygraph clearance required (experience)
  • Experience with Java frameworks: Spring (Boot, Data), JEE (JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX (experience)
  • Familiarity with Javascript, Python, C/C++, Groovy, SQL (experience)
  • Experience with IDEs: Eclipse, VS Code, Visual Studio, Rhapsody, WebStorm (experience)
  • Database experience: Oracle, PostgreSQL, MongoDB, SQL Server (experience)
  • Web UI development with AngularJS, JSON, HTML, XML, XSLT (experience)
  • Software source control and configuration management (experience)
  • Windows OS development (experience)
  • Strong software development principles (experience)

Responsibilities

  • Perform full software development lifecycle (SDLC) activities in Agile teams
  • Develop server-side business logic and client web UI applications
  • Implement robust testing using BDD, DevOps automation, and test tools
  • Participate in daily stand-ups, Sprint Planning, PI Planning
  • Analyze complex system requirements using design tools and formal specifications
  • Apply sound engineering principles for modifiable, efficient, reliable code
  • Author, tune, and document automation scripts for test/production deployment
  • Promote code reuse, cross-program collaboration, and reduced maintenance costs

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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Jobs in Annapolis Junction MDLeidos CareersTS/SCI Clearance JobsSoftware Engineering United StatesDefense IT HiringEngineeringInformation TechnologySecurity

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Leidos logo

Software Engineer (All Levels) TS/SCI Polygraph - Careers at Leidos

Leidos

Software Engineer (All Levels) TS/SCI Polygraph - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Software Engineer (All Levels) TS/SCI Polygraph at Leidos

Leidos is seeking talented Software Engineers at junior, mid, and senior levels for our Intelligence Sector's Cyber & Analytics Business Area (CABA) in Annapolis Junction, MD. Join a team pioneering 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, and more.

Key Responsibilities

  • Execute full SDLC in Agile teams, from user stories to deployment.
  • Build server-side logic and web UIs using Java, Python, C/C++, Angular, etc.
  • Leverage BDD for robust testing with DevOps automation.
  • Collaborate in stand-ups, sprint planning, and PI planning.
  • Design efficient, reusable code with formal tools and principles.
  • Automate scripts for development, test, and production environments.

Basic Qualifications

  • BS in CS or related + 2+ years (junior); 12-15 years (senior) or Masters + 10-13 years.
  • Must have Java experience and frameworks like Spring Boot, JEE.
  • Multiple languages: JS, Python, C/C++, SQL.
  • IDEs, databases (Oracle, Postgres, MongoDB), web UI tech.
  • TS/SCI with Polygraph required.

Preferred Qualifications

Experience with Java Enterprise, cryptographic frameworks, embedded programming, and special purpose devices.

Why Leidos?

Thrive in a fast-paced environment with top-tier benefits and mission-critical work. Salary range: $131,300 - $237,350 USD/year.

Locations

  • Annapolis Junction, 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
  • Spring Bootintermediate
  • Java Enterprise Edition (JEE)intermediate
  • Pythonintermediate
  • C/C++intermediate
  • JavaScriptintermediate
  • AngularJSintermediate
  • SQLintermediate
  • Eclipseintermediate
  • Visual Studio Codeintermediate
  • Oracleintermediate
  • PostgreSQLintermediate
  • MongoDBintermediate
  • XMLintermediate
  • JSONintermediate
  • HTML/CSSintermediate
  • Web Servicesintermediate
  • Agile Developmentintermediate
  • DevOps Automationintermediate
  • Behavior-Driven Development (BDD)intermediate

Required Qualifications

  • BS degree in Computer Science or related field with 2+ years experience (junior); 12-15 years (senior) or Masters with 10-13 years (experience)
  • Demonstrated experience with Java (experience)
  • TS/SCI with Polygraph clearance required (experience)
  • Experience with Java frameworks: Spring (Boot, Data), JEE (JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX (experience)
  • Familiarity with Javascript, Python, C/C++, Groovy, SQL (experience)
  • Experience with IDEs: Eclipse, VS Code, Visual Studio, Rhapsody, WebStorm (experience)
  • Database experience: Oracle, PostgreSQL, MongoDB, SQL Server (experience)
  • Web UI development with AngularJS, JSON, HTML, XML, XSLT (experience)
  • Software source control and configuration management (experience)
  • Windows OS development (experience)
  • Strong software development principles (experience)

Responsibilities

  • Perform full software development lifecycle (SDLC) activities in Agile teams
  • Develop server-side business logic and client web UI applications
  • Implement robust testing using BDD, DevOps automation, and test tools
  • Participate in daily stand-ups, Sprint Planning, PI Planning
  • Analyze complex system requirements using design tools and formal specifications
  • Apply sound engineering principles for modifiable, efficient, reliable code
  • Author, tune, and document automation scripts for test/production deployment
  • Promote code reuse, cross-program collaboration, and reduced maintenance costs

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 "Software Engineer (All Levels) TS/SCI Polygraph - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Software Engineer (All Levels) TS/SCI Polygraph - Careers at Leidos. Takes only 15 seconds!

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

Check Your ATS Score for "Software Engineer (All Levels) TS/SCI Polygraph - 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 Annapolis Junction MDLeidos CareersTS/SCI Clearance JobsSoftware Engineering United StatesDefense IT HiringEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Software Engineer (All Levels) TS/SCI Polygraph - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.