Core Java Software Engineer - TS/SCI with Polygraph
Role Overview
Seize your opportunity to make a personal impact as a Core Java Software Engineer supporting an information technology enterprise.
At GDIT, people are our differentiator.
As a Core Java Software Engineer, you will help ensure today is safe and tomorrow is smarter.
Our work depends on a Core Java Software Engineer joining our team.
• Expert-level knowledge of Core Java (NOT Spring Boot), Eclipse IDE v2026, Java 17 or later, JVM, JRE, and JDK concepts, JavaScript, AJAX, jQuery, JSP, Apache Tomcat 11 or later, Tomcat connector, MariaDB (MySQL) v10 or latest, HTML5, CSS, JSON/XML HTTP, HTTPS, REST API, SSH, PKI, OpenSSL, Putty, Linux and LDAP.
• Extensive experience with LDAP authentication and authorization, and custom LDAP-based solutions.
• Strong experience with SSH and Putty, and custom SSH-based tools and applications on Linux platform.
• Experience with Linux system administration and command-line tools.
• Experience w/ Java REST API development, and API secure requests using application certificates and scalability for user activity monitoring.
• Experienced w/ JDBC, DAO pattern and configuration using MariaDB (MySQL) and custom database tools and scripts – connection pooling without framework.
• Experience deploying applications on Apache Tomcat, configuring Tomcat connectors, and managing HTTPD (Apache HTTP Server).
• Experience w/ front-end development w/ JSP, AJAX, jQuery, JavaScript, HTML and CSS design for web presence and back-end development;
• Experienced writing Jakarta Servlet API, including servlet lifecycle, request and response handling, and session management.
• Experience w/ Java Base64 API, that encodes and decodes data, including its usage and limitations.
• Knowledge of Java Cryptography Architecture (JCA) and its APIs.
• Knowledge of encryption algorithms, such as AES, RSA and ECC and their usage in Java.
• Experience w/Quartz Job Scheduling Library using Core Java development.
• Experience w/ software version control tools (Git/GitHub) code repository;
• Knowledge of PKI infrastructure and secure data transmission, and custom PKI-based tools and applications.
• Knowledge of X.509 certificate handling, including certificate parsing, certificate validation and certificate chaining.
• Experienced in generating, managing, and storing key pairs using OpenSSL, and RSA, troubleshooting PKI-related issues, including key pair and certificate problems.
• Strong problem-solving skills and analytical thinking, attention to detail, and excellent communication and collaboration skills with technical and non-technical stakeholders.
• Ability to analyze user needs to determine technical requirements.
• Ability to write clean, maintainable, and well-documented code.
• Shows initiative and offers ideas for new products and improvements to existing interfaces.
• Actively keeps apprised of industry technological enhancements and changes.
Key Skills for This Role
Full Job Posting
Skills:
- Certifications:
- Experience:
- US Citizenship Required:
- Job Description:
- Seize your opportunity to make a personal impact as a Core Java Software Engineer supporting an information technology enterprise. At GDIT, people are our differentiator. As a Core Java Software Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Core Java Software Engineer joining our team.
- Expert-level knowledge of Core Java (NOT Spring Boot), Eclipse IDE v2026, Java 17 or later, JVM, JRE, and JDK concepts, JavaScript, AJAX, jQuery, JSP, Apache Tomcat 11 or later, Tomcat connector, MariaDB (MySQL) v10 or latest, HTML5, CSS, JSON/XML HTTP, HTTPS, REST API, SSH, PKI, OpenSSL, Putty, Linux and LDAP.
- Extensive experience with LDAP authentication and authorization, and custom LDAP-based solutions.
- Strong experience with SSH and Putty, and custom SSH-based tools and applications on Linux platform.
- Experience with Linux system administration and command-line tools.
- Experience w/ Java REST API development, and API secure requests using application certificates and scalability for user activity monitoring.
- Experienced w/ JDBC, DAO pattern and configuration using MariaDB (MySQL) and custom database tools and scripts – connection pooling without framework.
- Experience deploying applications on Apache Tomcat, configuring Tomcat connectors, and managing HTTPD (Apache HTTP Server).
- Experience w/ front-end development w/ JSP, AJAX, jQuery, JavaScript, HTML and CSS design for web presence and back-end development;
- Experienced writing Jakarta Servlet API, including servlet lifecycle, request and response handling, and session management.
- Experience w/ Java Base64 API, that encodes and decodes data, including its usage and limitations.
- Knowledge of Java Cryptography Architecture (JCA) and its APIs.
- Knowledge of encryption algorithms, such as AES, RSA and ECC and their usage in Java.
- Experience w/Quartz Job Scheduling Library using Core Java development.
- Experience w/ software version control tools (Git/GitHub) code repository;
- Knowledge of PKI infrastructure and secure data transmission, and custom PKI-based tools and applications.
- Knowledge of X.509 certificate handling, including certificate parsing, certificate validation and certificate chaining.
- Experienced in generating, managing, and storing key pairs using OpenSSL, and RSA, troubleshooting PKI-related issues, including key pair and certificate problems.
- Strong problem-solving skills and analytical thinking, attention to detail, and excellent communication and collaboration skills with technical and non-technical stakeholders.
- Ability to analyze user needs to determine technical requirements.
- Ability to write clean, maintainable, and well-documented code.
- Shows initiative and offers ideas for new products and improvements to existing interfaces.
- Actively keeps apprised of industry technological enhancements and changes.
- Location: Chantilly, VA (On Customer Site)
- Desired skills:
- Some experience integrating Python into web applications;
- Some experience Writing Confluence plugins
- Familiar w/ Windows Active Directory Certificate Services (AD CS) – for issuing and managing key infrastructure (PKI) certificates
- WHAT YOU’LL NEED TO SUCCEED:
- GDIT IS YOUR PLACE:
- 401K with company match
- Comprehensive health and wellness packages
- Internal mobility team dedicated to helping you own your career
- Professional growth opportunities including paid education and certifications
- Cutting-edge technology you can learn from
- Rest and recharge with paid vacation and holidays
- #WeAreGDIT #JET #GDITEnhanced2026 #VA_2026Alumni
- Scheduled Weekly Hours:
- Travel Required:
- Telecommuting Options:
Work Location:
- Additional Work Locations:
- Total Rewards at GDIT:
- Our Identity Verification Process:
- About Our Work:
- gdit.com/tc.
Qualifications
- Certifications
- Seize your opportunity to make a personal impact as a Core Java Software Engineer supporting an information technology enterprise. At GDIT, people are our differentiator. As a Core Java Software Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Core Java Software Engineer joining our team.
- Expert-level knowledge of Core Java (NOT Spring Boot), Eclipse IDE v2026, Java 17 or later, JVM, JRE, and JDK concepts, JavaScript, AJAX, jQuery, JSP, Apache Tomcat 11 or later, Tomcat connector, MariaDB (MySQL) v10 or latest, HTML5, CSS, JSON/XML HTTP, HTTPS, REST API, SSH, PKI, OpenSSL, Putty, Linux and LDAP.
- Extensive experience with LDAP authentication and authorization, and custom LDAP-based solutions.
- Strong experience with SSH and Putty, and custom SSH-based tools and applications on Linux platform.
- Experience with Linux system administration and command-line tools.
- Experience w/ Java REST API development, and API secure requests using application certificates and scalability for user activity monitoring.
- Experienced w/ JDBC, DAO pattern and configuration using MariaDB (MySQL) and custom database tools and scripts – connection pooling without framework.
- Experience deploying applications on Apache Tomcat, configuring Tomcat connectors, and managing HTTPD (Apache HTTP Server).
- Experience w/ front-end development w/ JSP, AJAX, jQuery, JavaScript, HTML and CSS design for web presence and back-end development;
- Experienced writing Jakarta Servlet API, including servlet lifecycle, request and response handling, and session management.
- Experience w/ Java Base64 API, that encodes and decodes data, including its usage and limitations.
- Knowledge of Java Cryptography Architecture (JCA) and its APIs.
- Knowledge of encryption algorithms, such as AES, RSA and ECC and their usage in Java.
- Experience w/Quartz Job Scheduling Library using Core Java development.
- Experience w/ software version control tools (Git/GitHub) code repository;
- Knowledge of PKI infrastructure and secure data transmission, and custom PKI-based tools and applications.
- Knowledge of X.509 certificate handling, including certificate parsing, certificate validation and certificate chaining.
- Experienced in generating, managing, and storing key pairs using OpenSSL, and RSA, troubleshooting PKI-related issues, including key pair and certificate problems.
- Strong problem-solving skills and analytical thinking, attention to detail, and excellent communication and collaboration skills with technical and non-technical stakeholders.
- Ability to analyze user needs to determine technical requirements.
- Ability to write clean, maintainable, and well-documented code.
- Shows initiative and offers ideas for new products and improvements to existing interfaces.
- Actively keeps apprised of industry technological enhancements and changes.
- Location: Chantilly, VA (On Customer Site)
- Some experience integrating Python into web applications;
- Some experience Writing Confluence plugins
- Familiar w/ Windows Active Directory Certificate Services (AD CS) – for issuing and managing key infrastructure (PKI) certificates
- US Citizenship Required
- 401K with company match
- Comprehensive health and wellness packages
- Internal mobility team dedicated to helping you own your career
- Professional growth opportunities including paid education and certifications
- Cutting-edge technology you can learn from
- Rest and recharge with paid vacation and holidays
- #WeAreGDIT #JET #GDITEnhanced2026 #VA_2026Alumni
- Scheduled Weekly Hours
- gdit.com/tc.
About General Dynamics Information Technology
Provider of enterprise IT services and defense solutions.
Visit company websiteJobs and hiring trendsApply for this job in 1 click
Skip the repetitive application forms
Install the Base Career Chrome Extension and autofill job applications across major job boards with your profile.
Trusted by over 500,000 job seekers on Base Career
More from this employer
More jobs at General Dynamics Information Technology
Sr. Healthcare Data Analyst (Medicaid)
, USA
GDIT seeks a Senior Healthcare Data Analyst to analyze Medicaid data and help CMS detect and prevent fraud, waste, and abuse. The role involves claims research, advanced analytics, reporting, and communicating findings a
Summer 2027 Knowledge Management Specialist Associate (Intern)
Bossier City, USA
Sr. Healthcare Data Analyst (Medicaid)
, USA
Summer 2027 Knowledge Management Specialist Associate (Intern)
Bossier City, USA
Cyber Operations Analyst II
, USA
OSINT/PAI Targeting Analyst SME
, USA
Business Process Analyst (State of Louisiana)
, USA
EVM Analyst
, USA
Cloud Architect
, USA
Security Analyst
Chantilly, USA