Senior Software Engineer, National Security (TS/SCI)

KBR Careers; Town of Vienna (WI); On-site; USD 206,000 - 251,000; Full time

Benefits offered by this job

401K plan with company match

Medical, dental, vision insurance

Paid time off

Flexible work schedule

Job summary

KBR Careers is seeking a Software Engineer to design, develop, test, deploy, and maintain secure software applications. This role requires a Master’s degree, 12+ years of experience, active TS/SCI clearance with polygraph, and hands-on work across Windows, Linux, and AWS environments.

You will work on Java, Python, JavaScript, Angular, and Hibernate stacks, build CI/CD pipelines, and contribute to mission-critical solutions on-site with a collaborative team.

Qualifications

• Security Clearance: Active TS/SCI with polygraph.
• Operating Environments: Windows, Linux, AWS, Tomcat, Oracle, FidOS.
• Education: Master’s degree in Computer Science, Information Systems, Engineering, or related field.
• Experience: Minimum of 12 years in software engineering/IT.
• Equivalency: Bachelor’s with 2 years specialized experience or 6 years without degree.
• Demonstrated experience with Java, Python, JavaScript, Angular, HTML, SQL, Hibernate.
• Experience with CI/CD tools including Git and Jenkins; build tools like Gradle or Maven.
• Experience with unit/integration testing, debugging, performance optimization; databases and data analytics tools.

Responsibilities

• Design, develop, test, deploy, and maintain full-stack applications using Java, Python, Angular, HTML, SQL, Hibernate.
• Develop and integrate services, databases, UIs, and data processing across Windows and Linux.
• Build and improve CI/CD pipelines using Git, Gradle, Maven, Jenkins.
• Develop and deploy AWS cloud-based solutions (EC2, Lambda, S3, DynamoDB, CloudWatch, CloudFormation, Auto Scaling).
• Perform unit, integration, regression, and system testing for quality, security, and performance.
• Troubleshoot complex issues across application, database, integration, and infrastructure layers.
• Collaborate with technical and mission teams to document designs and deliver production-ready capabilities.

Skills

Security clearance

Team player

Problem solving

Education

Master’s degree in CS/IS/Engineering

Bachelor’s + 2 years specialized experience OR 6 years experience

Tools

Git

Jenkins

Gradle

Maven

Hibernate

Tomcat

Oracle

Terraform

Job description

KBR Careers is seeking a Software Engineer to design, develop, test, deploy, and maintain secure software applications. This role requires a Master’s degree, 12+ years of experience, active TS/SCI clearance with polygraph, and hands-on work across Windows, Linux, and AWS environments.

You will work on Java, Python, JavaScript, Angular, and Hibernate stacks, build CI/CD pipelines, and contribute to mission-critical solutions on-site with a collaborative team.