{"schemaVersion":"jobsearcher.job.v1","id":"12b2e76dd498629f612a87ee","url":"https://jobsearcher.com/jobs/12b2e76dd498629f612a87ee","canonicalUrl":"https://jobsearcher.com/jobs/12b2e76dd498629f612a87ee","title":"Software Engineer (Java 17 - or later - development)","description":"Job Description\n\nDescription REQUIRED :Active TS/SCI with Full Scope Polygraph\r\nLOCATION:Full-time onsite in Dulles, VA\r\nWe are seeking a Senior‑Level Software Engineer with expert Core Java proficiency and deep command of enterprise‑grade web, API, PKI, and Linux technologies. This role demands mastery of Java 17 or higher, Eclipse IDE, JVM/JRE/JDK internals, JSP, AJAX, jQuery, and front‑end development, paired with extensive experience deploying and tuning applications on Apache Tomcat 11+ and configuring Tomcat connectors and HTTPD.\r\nWho We Are:\r\nWe offer advanced services in data science, data engineering, software engineering, AI solutions, cybersecurity, staff augmentation, and IT program management.\r\nPassionate Integrity, Driven by Excellence\r\nArdent Principles offers a competitive salary range and a comprehensive, industry‑leading benefits package designed to support long‑term stability and employee well‑being. We provide more than a position—we offer a workplace committed to excellence, integrity, and mission‑focused impact.Our mission is to act as a bridge between satisfied clients and fulfilled employees, ensuring that your job and well-being are our top priorities because your satisfaction leads to the success of our clients.\r\nJoin us as we continue building the future of secure, high‑impact solutions.\r\nKey ResponsibilitiesIn this challenging yet rewarding role, you are an integral part of what brings our Company's mission to life. You must have the following required skills, certifications anddemonstrated experience in and/or with :\r\nSME LevelExpert-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.\r\nExtensive experience with LDAP authentication and authorization, and custom LDAP-based solutions\r\nStrong experience with SSH and Putty, and custom SSH-based tools and applications on Linux platform\r\nLinux system administration and command-line tools\r\nJava REST API development, and API secure requests using application certificates and scalability for user activity monitoring\r\nJDBC, DAO pattern and configuration using MariaDB (MySQL) and custom database tools and scripts – connection pooling without framework\r\nDeploying applications on Apache Tomcat, configuring Tomcat connectors, and managing HTTPD (Apache HTTP Server\r\nFront-end development w/ JSP, AJAX, jQuery, JavaScript, HTML and CSS design for web presence and back-end development;\r\nWriting Jakarta Servlet API, including servlet lifecycle, request and response handling, and session management.\r\nJava Base64 API, that encodes and decodes data, including its usage and limitations.\r\nKnowledge of Java Cryptography Architecture (JCA) and its APIs.\r\nKnowledge of encryption algorithms, such as AES, RSA and ECC and their usage in Java.\r\nExperience w/Quartz Job Scheduling Library using Core Java development.\r\nExperience w/ software version control tools (Git/GitHub) code repository;\r\nKnowledge of PKI infrastructure and secure data transmission, and custom PKI-based tools and applications\r\nKnowledge of X.509 certificate handling, including certificate parsing, certificate validation and certificate chaining.\r\nExperienced in generating, managing, and storing key pairs using OpenSSL, and RSA, troubleshooting PKI-related issues, including key pair and certificate problems.\r\nStrong problem-solving skills and analytical thinking, attention to detail, and excellent communication and collaboration skills with technical and non-technical stakeholders.\r\nAbility to analyze user needs to determine technical requirements.\r\nAbility to write clean, maintainable, and well-documented code.\r\nShows initiative and offers ideas for new products and improvements to existing interfaces.\r\nActively keeps apprised of industry technological enhancements and changes.Highly Desired QualificationsOther skills and demonstrated experiences that are highly desired but not mandatory to perform the work, include:Some experience integrating Python into web applications\r\nSome experience Writing Confluence plugins\r\nFamiliar w/ Windows Active Directory Certificate Services (AD CS) – for issuing and managing key infrastructure (PKI) certificates.What We Offer You SCHEDULE: This is a full-time position with consultants expected to be available and working onsite in Dulles, VA during core hours.\r\nReady to take the next step in your career? Join us and be part of a team dedicated to driving positive change through technology. Apply now with our easy 3-minute, mobile-friendly initial application process. Your future starts here!","company":"Ardent Principles","rawCompany":"ardent principles","city":"Chantilly","state":"VA","isRemote":false,"isActive":true,"createdAt":"2026-11-03T02:08:42.789Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Software Engineer (Java 17 - or later - development)","description":"Job Description\n\nDescription REQUIRED :Active TS/SCI with Full Scope Polygraph\r\nLOCATION:Full-time onsite in Dulles, VA\r\nWe are seeking a Senior‑Level Software Engineer with expert Core Java proficiency and deep command of enterprise‑grade web, API, PKI, and Linux technologies. This role demands mastery of Java 17 or higher, Eclipse IDE, JVM/JRE/JDK internals, JSP, AJAX, jQuery, and front‑end development, paired with extensive experience deploying and tuning applications on Apache Tomcat 11+ and configuring Tomcat connectors and HTTPD.\r\nWho We Are:\r\nWe offer advanced services in data science, data engineering, software engineering, AI solutions, cybersecurity, staff augmentation, and IT program management.\r\nPassionate Integrity, Driven by Excellence\r\nArdent Principles offers a competitive salary range and a comprehensive, industry‑leading benefits package designed to support long‑term stability and employee well‑being. We provide more than a position—we offer a workplace committed to excellence, integrity, and mission‑focused impact.Our mission is to act as a bridge between satisfied clients and fulfilled employees, ensuring that your job and well-being are our top priorities because your satisfaction leads to the success of our clients.\r\nJoin us as we continue building the future of secure, high‑impact solutions.\r\nKey ResponsibilitiesIn this challenging yet rewarding role, you are an integral part of what brings our Company's mission to life. You must have the following required skills, certifications anddemonstrated experience in and/or with :\r\nSME LevelExpert-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.\r\nExtensive experience with LDAP authentication and authorization, and custom LDAP-based solutions\r\nStrong experience with SSH and Putty, and custom SSH-based tools and applications on Linux platform\r\nLinux system administration and command-line tools\r\nJava REST API development, and API secure requests using application certificates and scalability for user activity monitoring\r\nJDBC, DAO pattern and configuration using MariaDB (MySQL) and custom database tools and scripts – connection pooling without framework\r\nDeploying applications on Apache Tomcat, configuring Tomcat connectors, and managing HTTPD (Apache HTTP Server\r\nFront-end development w/ JSP, AJAX, jQuery, JavaScript, HTML and CSS design for web presence and back-end development;\r\nWriting Jakarta Servlet API, including servlet lifecycle, request and response handling, and session management.\r\nJava Base64 API, that encodes and decodes data, including its usage and limitations.\r\nKnowledge of Java Cryptography Architecture (JCA) and its APIs.\r\nKnowledge of encryption algorithms, such as AES, RSA and ECC and their usage in Java.\r\nExperience w/Quartz Job Scheduling Library using Core Java development.\r\nExperience w/ software version control tools (Git/GitHub) code repository;\r\nKnowledge of PKI infrastructure and secure data transmission, and custom PKI-based tools and applications\r\nKnowledge of X.509 certificate handling, including certificate parsing, certificate validation and certificate chaining.\r\nExperienced in generating, managing, and storing key pairs using OpenSSL, and RSA, troubleshooting PKI-related issues, including key pair and certificate problems.\r\nStrong problem-solving skills and analytical thinking, attention to detail, and excellent communication and collaboration skills with technical and non-technical stakeholders.\r\nAbility to analyze user needs to determine technical requirements.\r\nAbility to write clean, maintainable, and well-documented code.\r\nShows initiative and offers ideas for new products and improvements to existing interfaces.\r\nActively keeps apprised of industry technological enhancements and changes.Highly Desired QualificationsOther skills and demonstrated experiences that are highly desired but not mandatory to perform the work, include:Some experience integrating Python into web applications\r\nSome experience Writing Confluence plugins\r\nFamiliar w/ Windows Active Directory Certificate Services (AD CS) – for issuing and managing key infrastructure (PKI) certificates.What We Offer You SCHEDULE: This is a full-time position with consultants expected to be available and working onsite in Dulles, VA during core hours.\r\nReady to take the next step in your career? Join us and be part of a team dedicated to driving positive change through technology. Apply now with our easy 3-minute, mobile-friendly initial application process. Your future starts here!","datePosted":"2026-11-03T02:08:42.789Z","dateModified":"2026-11-03T02:08:42.789Z","hiringOrganization":{"@type":"Organization","name":"Ardent Principles","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Chantilly","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"12b2e76dd498629f612a87ee"},"url":"https://jobsearcher.com/jobs/12b2e76dd498629f612a87ee"}}