Sr. Software Engineer TS/SCI Polygraph

Leidos is seeking a Sr. Software Engineer to join on-site in Annapolis Junction, Maryland. This senior role requires an active TS/SCI polygraph and covers the full software development lifecycle within an agile setting, blending server-side and UI work with testing, DevOps automation, and cross-team collaboration. The position offers a salary range of USD 131,300 to 237,350 per year and expects a bachelor’s or master’s degree alongside substantial relevant experience.

Responsibilities

• Actively participate in daily stand-ups, Sprint Planning, Program Increment (PI) Planning, and other team ceremonies.
• Analyze and interpret complex system requirements.
• Utilize design software tools to model solutions.
• Provide support using formal specifications, data flow diagrams, and other accepted design techniques.
• Apply sound software engineering principles to ensure code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable.
• Provide software process management and control throughout the coding portion of the software development lifecycle.
• Promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers.
• Engineer, author, tune, and document automation scripts in a development environment and deploy them to the test and production benches.

Requirements

• BS degree with 12-15 years of prior relevant experience or MS with 10-13 years of prior relevant experience (additional experience may substitute for a degree).
• Demonstrated experience with Java.
• Experience or familiarity with multiple Java frameworks: Spring (Boot and Data), Java EE (JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
• Experience or familiarity with multiple languages such as JavaScript, Python, C/C++, Groovy, SQL.
• Experience with development IDEs such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm.
• Experience with databases such as Oracle, PostgreSQL, MongoDB, SQL Server.
• Experience with Web Application UI Development and knowledge of databases/structures, Spring Framework, and/or experience with AngularJS, JSON, HTML, XML, XSLT.
• Experience with software source control and configuration management tools.
• Experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures).
• Experience developing on Windows and/or Linux operating systems.
• Documented professional experience with web services.
• Strong understanding of sound software development principles and practices.
• Ability to plan and prioritize personal tasks and communicate effectively verbally and in writing.
• Independent thinker capable of delivering high-quality work both independently and within a fast-moving team.

Technologies

• Java
• Spring Boot
• Spring Data
• Java Enterprise Edition (JEE)
• JPA
• EJB
• JTA
• Servlet
• Jackson
• Jersey
• Swing
• JavaFX
• JavaScript
• Python
• C/C++
• Groovy
• SQL
• Eclipse
• Visual Studio Code
• Visual Studio
• Rhapsody
• WebStorm
• Oracle
• PostgreSQL
• MongoDB
• SQL Server
• AngularJS
• JSON
• HTML
• XML
• XSLT
• JAX-B
• JAX-RS
• JAX-WS
• REST
• YAML
• Docker
• Podman
• Kubernetes
• OpenShift
• Bootstrap
• JQuery
• Jasmine
• Karma
• Cucumber
• Unified Functional Tester (UFT)
• Selenium
• FITNesse
• Maven
• CMake
• RPM
• Jenkins
• Nexus
• Tomcat
• WebLogic
• JBoss
• XML/XSD/SOAP/WSDL/XSLT
• SOAP
• WSDL
• XSD
• Cryptography technologies: Java cryptographic framework, symmetric cryptography, asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures
• Windows
• Linux
• Web services
• Java cryptographic framework

Benefits

• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement