Resume and JobRESUME AND JOB
Leidos logo

Sr. Software Engineer TS/SCI Polygraph - Careers at Leidos

Leidos

Sr. Software Engineer TS/SCI Polygraph - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Sr. Software Engineer TS/SCI Polygraph

Leidos seeks a talented Sr. Software Engineer for our agile team building a large-scale enterprise system in Annapolis Junction, MD. Active TS/SCI Polygraph clearance is mandatory—no exceptions. Dive into full SDLC: transform Agile user stories into deployable features with Behavior-Driven Development (BDD), DevOps automation, and test tools.

Primary Responsibilities

  • Collaborate in daily stand-ups, sprint/PI planning on complex requirements analysis using design tools and data flow diagrams.
  • Apply software principles for efficient, reliable, reusable code; manage processes to promote reuse and cut costs.
  • Develop server-side logic and web UIs with Java, Python, C/C++, Angular, cryptographic frameworks.
  • Engineer automation scripts for dev/test/prod deployment.

Basic Qualifications

  • BS + 12-15 years or MS + 10-13 years experience (substitutable).
  • Expertise in Java, Spring (Boot/Data), JEE (JPA/EJB/JTA/Servlet), Jackson, Jersey, Swing/JavaFX.
  • Proficiency in JavaScript/Python/C/C++/Groovy/SQL; IDEs like Eclipse/VS Code; databases (Oracle/PostgreSQL/MongoDB/SQL Server).
  • Web UI dev (AngularJS/JSON/HTML/XML/XSLT), source control, crypto tech (symmetric/asymmetric/ASN.1), Windows/Linux, web services.
  • Strong communicator, independent thinker in fast-paced teams.

Preferred Qualifications

  • JEE (EJB/JPA/JTA/JAX-*/JAX-WS), SQL, app servers (Tomcat/WebLogic/JBoss), scripting.
  • XML/SOAP/REST/JSON/YAML, containers (Docker/K8s), AngularJS/Bootstrap/jQuery.
  • Testing: JUnit/Mockito/Jasmine/Cucumber/Selenium; builds: Maven/Jenkins/Nexus.
  • Requirements mgmt, secure engineering, CI/CD.

Thrive in a high-impact defense IT environment with cutting-edge tech. Apply now!

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
  • Oracleintermediate
  • PostgreSQLintermediate
  • MongoDBintermediate
  • Cryptographic Systemsintermediate
  • XMLintermediate
  • JSONintermediate
  • RESTintermediate
  • Mavenintermediate
  • Jenkinsintermediate
  • Dockerintermediate
  • Kubernetesintermediate
  • JUnitintermediate
  • Agile Developmentintermediate

Required Qualifications

  • BS degree with 12-15 years relevant experience or Masters with 10-13 years (experience)
  • Active TS/SCI Polygraph clearance required (experience)
  • Demonstrated experience with Java and multiple Java frameworks (Spring, JEE, Jackson, Jersey, Swing, JavaFX) (experience)
  • Experience with languages: JavaScript, Python, C/C++, Groovy, SQL (experience)
  • Experience with IDEs: Eclipse, VS Code, Visual Studio, Rhapsody, WebStorm (experience)
  • Experience with databases: Oracle, PostgreSQL, MongoDB, SQL Server (experience)
  • Experience with web UI development (AngularJS, JSON, HTML, XML, XSLT) (experience)
  • Experience with software source control, cryptographic technologies, Windows/Linux, web services (experience)

Responsibilities

  • Perform full SDLC activities in agile team: user stories to deployment
  • Implement robust testing with BDD, DevOps automation, and test tools
  • Develop server-side business logic and client web UI (Java, Python, C/C++, Angular, etc.)
  • Participate in stand-ups, sprint planning, PI planning
  • Analyze requirements, use design tools, apply software engineering principles for modifiable, efficient code
  • Author, tune, document automation scripts for dev/test/prod environments
  • Promote code reuse, collaboration, reduce maintenance costs

Benefits

  • general: Competitive salary $131,300 - $237,350
  • general: Comprehensive health, dental, vision insurance
  • general: 401(k) matching and retirement plans
  • general: Paid time off and flexible work options
  • general: Professional development and tuition reimbursement
  • general: Employee stock purchase plan

Target Your Resume for "Sr. Software Engineer TS/SCI Polygraph - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Sr. Software Engineer 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 "Sr. Software Engineer 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 JobsSenior Software EngineerHiring in United StatesJava Agile DeveloperEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Sr. Software Engineer 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.

Leidos logo

Sr. Software Engineer TS/SCI Polygraph - Careers at Leidos

Leidos

Sr. Software Engineer TS/SCI Polygraph - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Sr. Software Engineer TS/SCI Polygraph

Leidos seeks a talented Sr. Software Engineer for our agile team building a large-scale enterprise system in Annapolis Junction, MD. Active TS/SCI Polygraph clearance is mandatory—no exceptions. Dive into full SDLC: transform Agile user stories into deployable features with Behavior-Driven Development (BDD), DevOps automation, and test tools.

Primary Responsibilities

  • Collaborate in daily stand-ups, sprint/PI planning on complex requirements analysis using design tools and data flow diagrams.
  • Apply software principles for efficient, reliable, reusable code; manage processes to promote reuse and cut costs.
  • Develop server-side logic and web UIs with Java, Python, C/C++, Angular, cryptographic frameworks.
  • Engineer automation scripts for dev/test/prod deployment.

Basic Qualifications

  • BS + 12-15 years or MS + 10-13 years experience (substitutable).
  • Expertise in Java, Spring (Boot/Data), JEE (JPA/EJB/JTA/Servlet), Jackson, Jersey, Swing/JavaFX.
  • Proficiency in JavaScript/Python/C/C++/Groovy/SQL; IDEs like Eclipse/VS Code; databases (Oracle/PostgreSQL/MongoDB/SQL Server).
  • Web UI dev (AngularJS/JSON/HTML/XML/XSLT), source control, crypto tech (symmetric/asymmetric/ASN.1), Windows/Linux, web services.
  • Strong communicator, independent thinker in fast-paced teams.

Preferred Qualifications

  • JEE (EJB/JPA/JTA/JAX-*/JAX-WS), SQL, app servers (Tomcat/WebLogic/JBoss), scripting.
  • XML/SOAP/REST/JSON/YAML, containers (Docker/K8s), AngularJS/Bootstrap/jQuery.
  • Testing: JUnit/Mockito/Jasmine/Cucumber/Selenium; builds: Maven/Jenkins/Nexus.
  • Requirements mgmt, secure engineering, CI/CD.

Thrive in a high-impact defense IT environment with cutting-edge tech. Apply now!

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
  • Oracleintermediate
  • PostgreSQLintermediate
  • MongoDBintermediate
  • Cryptographic Systemsintermediate
  • XMLintermediate
  • JSONintermediate
  • RESTintermediate
  • Mavenintermediate
  • Jenkinsintermediate
  • Dockerintermediate
  • Kubernetesintermediate
  • JUnitintermediate
  • Agile Developmentintermediate

Required Qualifications

  • BS degree with 12-15 years relevant experience or Masters with 10-13 years (experience)
  • Active TS/SCI Polygraph clearance required (experience)
  • Demonstrated experience with Java and multiple Java frameworks (Spring, JEE, Jackson, Jersey, Swing, JavaFX) (experience)
  • Experience with languages: JavaScript, Python, C/C++, Groovy, SQL (experience)
  • Experience with IDEs: Eclipse, VS Code, Visual Studio, Rhapsody, WebStorm (experience)
  • Experience with databases: Oracle, PostgreSQL, MongoDB, SQL Server (experience)
  • Experience with web UI development (AngularJS, JSON, HTML, XML, XSLT) (experience)
  • Experience with software source control, cryptographic technologies, Windows/Linux, web services (experience)

Responsibilities

  • Perform full SDLC activities in agile team: user stories to deployment
  • Implement robust testing with BDD, DevOps automation, and test tools
  • Develop server-side business logic and client web UI (Java, Python, C/C++, Angular, etc.)
  • Participate in stand-ups, sprint planning, PI planning
  • Analyze requirements, use design tools, apply software engineering principles for modifiable, efficient code
  • Author, tune, document automation scripts for dev/test/prod environments
  • Promote code reuse, collaboration, reduce maintenance costs

Benefits

  • general: Competitive salary $131,300 - $237,350
  • general: Comprehensive health, dental, vision insurance
  • general: 401(k) matching and retirement plans
  • general: Paid time off and flexible work options
  • general: Professional development and tuition reimbursement
  • general: Employee stock purchase plan

Target Your Resume for "Sr. Software Engineer TS/SCI Polygraph - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Sr. Software Engineer 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 "Sr. Software Engineer 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 JobsSenior Software EngineerHiring in United StatesJava Agile DeveloperEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Sr. Software Engineer 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.