Software Engineer SME

RiseMe; Virginia (MN); On-site; USD 189,000 - 231,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Health Savings Account

Paid Time Off

Holidays

Employee Assistance Program

Team Building Activities

401K

Tuition Assistance

Job summary

Dezign Concepts seeks a highly experienced software engineer to support an information technology program handling mission data securely. The role requires Java development (Java 17+), Confluence, and PKI/SSL/TLS as core skills. A Top Secret clearance with poly is mandatory.

Responsibilities include designing tools, data visualization, and maintaining operational systems on Linux with Tomcat and LDAP-based security. Applicants must be US citizens with SCI clearance.

Qualifications

• Requires active Top Secret clearance with poly.
• Expert-level Core Java, Java 17+, and JVM/JRE/JDK concepts.
• Experience with LDAP, PKI, SSL/TLS, OpenSSL, and secure data transmission.
• Knowledge of encryption algorithms (AES, RSA, ECC) and PKI infrastructure.
• Experience deploying and maintaining applications on Apache Tomcat.

Responsibilities

• Design and develop tools integrating with commercial applications.
• Develop collaborative tools, data manipulation, visualization, and directory services.
• Provide operations and maintenance of operational systems.
• Modify software to fix errors and improve performance.
• Analyze requirements and feasibility within time and cost constraints.
• Consult with customers on system design and maintenance.
• Develop testing and validation procedures, and documentation.
• Coordinate with teams to clarify requirements and interfaces.
• Write, update, and maintain programs for processing mission data.
• Test, debug, and refine software to deliver the required product.

Skills

Core Java (NOT Spring Boot)

Java 17+

LDAP authentication

PKI/SSL/TLS

Tomcat 11+

Linux system administration

REST API development

JavaScript / JSP / AJAX

OpenSSL

Git

Tools

Eclipse IDE v2026

MariaDB/MySQL

Apache Tomcat

Confluence plugins

Putty

SSH

Job description

20250204-234-01-01

Active Top Secret Clearance with Poly Required

Salary Range: Up to $210K (salary is commensurate with education and experience)

Job Summary

We are seeking support for an information technology program that supports a mission operations system responsible for securely processing, disseminating and storing data. Requires strong Java development (Java17 or later), Confluence, JAVA EE development experience or Jakarta; PKI SSL/TLS. No cloud experience required.

Please Note:

This job requires an existing Top Secret Clearance and Polygraph.

TECHNICAL: (Software Engineer - heavy Java development)

Responsibilities and Duties

• Design and develop tools that integrate with commercial applications.
• Design and develop collaborative tools, data manipulation techniques, data visualization techniques, and directory services.
• Provide operations and maintenance of operational systems.
• Modify existing software to correct errors, allow it to adapt to new hardware or software, or to improve its performance.
• Analyze user needs and software requirements to determine feasibility of design within time and cost restraints.
• Consult with customers about software system design and maintenance.
• Develop and direct software system testing and validation procedures, programming, and documentation.
• Confer with systems analysts, engineers, programmers and others to obtain information on project limitations and capabilities, performance requirements and interfaces.
• Compile and write documentation of program development and subsequent revisions, inserting comments in the coded instruction so others can understand the program.
• Write, update, and maintain computer programs or software packages for receiving, transmitting, processing and storing mission data.
• Consult with managerial, engineering, and technical personnel to clarify program requirements.
• Identify complex problems and review related information to develop and evaluate options and implement new ones.
• Test, debug, and refine the computer software to produce the required product.

Experience Needed:

• Citizenship: Must Be a US Citizen
• Existing Clearance Required: Active Top Secret SCI with Poly
• 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.

Optional 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

Benefits

Our comprehensive benefits package includes Medical, Dental, Vision, Health Savings Account, Paid Time Off, Holidays, Social Events, Employee Assistance Program, Team Building Activities, 401K, Tuition Assistance, and more.

Contact Us: Main Number: 1-888-663-2690 | [e-mail] | www.dezign-concepts.com

Dezign Concepts provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.