Java Software Engineer (Core Java) - SME | TS/SCI w/ Poly

Posted 3 Hours Ago
Be an Early Applicant
McLean, VA, USA
In-Office
Entry level
Artificial Intelligence • Information Technology • Software • Cybersecurity
The Role
Develop secure server-side web applications using Core Java, Jakarta Servlets, JSP, JDBC, and Tomcat. Implement PKI, X.509, SSH, OpenSSL, and cryptographic capabilities for a federal national-security mission. Build front ends with JavaScript and related web technologies, integrate MariaDB/MySQL and LDAP, and operate in Linux environments. The role requires an active TS/SCI clearance with polygraph and U.S. citizenship, with on-site work in McLean, Virginia.
Summary Generated by Built In

Active TS/SCI with Polygraph required. U.S. citizenship required.

Location: On-site in McLean, VA (Full-Time).

Write clean, secure Java without leaning on frameworks. You'll build server-side web applications with a focus on PKI and cryptography for a federal national-security mission.

What you'll do

  • Develop web applications in Core Java 17+ with Jakarta Servlets and JSP
  • - Write JDBC/DAO data access against MariaDB/MySQL without ORM frameworks
  • - Run on Tomcat 11+ and Linux, with LDAP integration
  • - Implement PKI/X.509, SSH, OpenSSL and Java cryptography (AES, RSA, ECC)
  • - Build front ends with JavaScript, AJAX, jQuery, HTML5 and CSS

What you bring (required)

  • Active TS/SCI with Polygraph
  • - Core Java 17+ (not Spring Boot), Jakarta Servlets
  • - JDBC/DAO without frameworks, Tomcat 11+
  • - JavaScript, AJAX, jQuery, JSP, HTML5/CSS
  • - REST, MariaDB/MySQL, Linux, LDAP
  • - PKI/X.509, SSH, OpenSSL and Java cryptography
  • - Quartz, Git and Eclipse

Nice to have

  • Python web applications
  • - Confluence plugin development
  • - Windows AD Certificate Services

Why Falls

A 9% retirement contribution, 100% of family medical premiums paid, and 4 weeks of PTO. We're a small business that's been delivering since 2019, so your work is visible and your voice counts.

Falls Technology is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, national origin, disability, or protected veteran status.

Skills Required

  • Active TS/SCI with Polygraph clearance
  • U.S. citizenship
  • Core Java 17+ experience without Spring Boot
  • Jakarta Servlets experience
  • JDBC and DAO data access without frameworks
  • Tomcat 11+ experience
  • JavaScript, AJAX, jQuery, JSP, HTML5, and CSS experience
  • REST experience
  • MariaDB or MySQL experience
  • Linux experience
  • LDAP experience
  • PKI/X.509, SSH, OpenSSL, and Java cryptography experience
  • Quartz, Git, and Eclipse experience
  • Python web application experience
  • Confluence plugin development experience
  • Windows AD Certificate Services experience
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The Company
HQ: Herndon, VA
10 Employees
Year Founded: 2019

What We Do

Falls Technology is an engineering-led small business based in Herndon, Virginia, supporting federal and national security missions through software engineering, enterprise modernization, and practical AI-enabled solutions. It works largely via subcontracts with large federal prime contractors such as Amentum, ManTech, and TekSynap, delivering software and data engineering, infrastructure, and cyber services to the intelligence and defense community.

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