Software Engineer - multiple levels - FULLY CLEARED with POLYGRAPH REQUIRED

Cti Md; Maryland; On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Healthcare with HSA

Dental insurance

Vision insurance

Life insurance

Disability insurance

Education reimbursement

Training access

Tech equipment stipend

401(k) match

Job summary

Constellation Technologies is seeking a highly skilled Java engineer with active TS/SCI clearance. The role requires strong experience across Spring (Boot/Data), JEE, and modern UI tech, with fluency in SQL and multiple languages.

You will work in a fast-paced environment on secure systems, contributing to architecture, development, and integration efforts. The position emphasizes independent work, collaboration, and delivering high-quality code across Windows/Linux platforms, using CI/CD and

Qualifications

• Bachelor’s degree in engineering or related discipline is required.
• Five years of additional relevant experience on similar projects may substitute for a bachelor's degree.
• Demonstrated in-depth experience with Java is required.
• Experience with Java frameworks: Spring (Boot/Data), JEE (JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
• Experience with multiple languages: JavaScript, Python, C/C++, Groovy, SQL.
• Experience with IDEs: Eclipse, VS Code, Visual Studio, Rhapsody, WebStorm.
• Experience with databases: Oracle, PostgreSQL, MongoDB, SQL Server.
• Experience with Web UI development, Spring Framework, AngularJS, JSON, HTML, XML, XSLT.
• Experience with source control and configuration management tools.

Responsibilities

• The HTML does not explicitly list candidate responsibilities beyond requirements; none provided.

Skills

Java

Spring Boot

JEE

JPA

EJB

JAX-RS

Jackson

Jersey

Swing

JavaFX

JavaScript

Python

C/C++

SQL

XML/XSD/SOAP/WSDL/XSLT

REST/JSON

Docker

Kubernetes/OpenShift

AngularJS

Bootstrap

JUnit

Mockito

Selenium

Maven

Nexus

CI/CD

Education

Bachelor’s degree in engineering

Tools

Eclipse

Visual Studio Code

Visual Studio

Rhapsody

WebStorm

Tomcat

WebLogic

JBoss

Oracle

PostgreSQL

MongoDB

SQL Server

Job description

Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.

• Must be a US Citizen.
• Must have TS/SCI clearance w/ active polygraph (CI or FS)
• At least four (04) years of direct/relevant experience
• Bachelor’s degree in engineering (i.e. Computer, Electrical, Mechanical, Aerospace, etc.) or related discipline from an accredited college or university is required.
• Five (05) years of additional relevant experience on projects with similar processes may be substituted for a bachelor’s degree.
• Must have demonstrated in-depth experience with Java.
• Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
• Must have experience or familiarity with multipleof the followinglanguages such as JavaScript, Python, C/C++, Groovy, Structured Query Language (SQL).
• Must have experience with development IDEs (Integrated Development Environments) such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm.
• Must have experience with databases such as Oracle, PostgreSQL, MongoDB, SQL Server.
• Must have experience with Web Application User Interface Development, knowledge of databases and structures, Spring Framework, and/or experience working with AngularJS, JSON, HTML, XML, XSLT.
• Must have experience with software source control and configuration management tools.
• Must have experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures).
• Must have experience developing on Windows, and/or Linux operating systems.
• Must have documented professional experience with web services.
• Must have a strong understanding of sound software development principles and practices.
• Must be able to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing.
• Must be an independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment.
• Experience with the following: Java Enterprise Edition (JEE) (i.e., EJB, JPA, JTA, JAX-B, JAX-RS, JAX-WS), SQL, application servers (Tomcat, WebLogic, JBoss), Spring framework, scripting.
• Experience or familiarity with multiple of the following technologies: XML/XSD/SOAP/WSDL/XSLT, REST, JSON, YAML, Containers (Docker, Podman, Kubernetes, OpenShift).
• Experience with Javascript frameworks: AngularJS, Bootstrap, JQuery.
• Experience with Testing and Mocking frameworks: JUnit, Jupiter, Mockito, Jasmine, Karma, Cucumber, Unified Functional Tester (UFT), Selenium, FITNesse.
• Experience with build tools: Maven, CMake, RPM, Jenkins, Nexus.
• Experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, testing and continuous integration.
• Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, Test Driven Development (TDD), Refactoring, and Acceptance Test Driven Development (ATDD).
• Experience with Behavior Driven Development (BDD).
• Secure Software development (i.e., Layer 7 Policy).
• Experience with Scrum, Scaled Agile Framework (SAFe) methodology, SAFe Agilest Certification, or experience as a member of an Agile team.

The benefits package:

• Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA
• Comprehensive Dental insurance
• Vision with 80% employer paid premium
• Employer paid Life insurance 100%
• Employer paid Short-term and Long-term disability 100%
• Annual training, continued education, and professional memberships reimbursement
• Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation
• Annual reimbursement for technology i.e. phones, computers, printers, etc.
• 401(k) with company match up to 5% with 100% immediate vesting (after 90 days of employment)

The environment and perks:

• Professional development investment and paid time off for training
• Contract and work locations in Maryland, Virginia, Colorado, Texas, Utah, Florida and Hawaii.
• Team building events throughout the year such as Destination Family Events, Holiday Party, Monthly Get-Togethers
• Leadership Team engagement and mentorship
• Performance Recognition Program
• Complimentary branded apparel

Constellation Technologies is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, and breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low-income status or any other status or characteristic protected by applicable law. Job applicants can submit questions about CTI’s equal employment opportunity policy to [e-mail].