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Senior Java Developer

Plus3 IT Systems
Reston, VA
  • Posted: over a month ago
  • Full-Time
Job Description

Location: Reston, VA or Bethesda, MD 

Who YOU are:
As a future Senior Java Developer at Plus3 IT Systems, you: 

  • Are passionate about working on cutting edge, high profile projects and are motivated by delivering solutions on an aggressive schedule 
  • Aren't satisfied with status quo, and regularly look for creative ways to solve problems and help your team meet commitments 
  • Are insatiably curious – you ask why, you explore, and you're not afraid to blurt out your crazy idea 
  • Love learning new technologies and sharing them with your team 
  • Have strong verbal and written communication skills, due to the dynamic nature of collaborations with customers, vendors, and other engineering teams to solve complex business problems together 
  • Use your experience to motivate your teammates to deliver high quality results in a fast-paced work environment 
  • Have the ability to multitask and work with limited supervision  


What you'll be doing: 

  • Develop and integrate software and systems engineering in support of Amazon Web Services (AWS)-based systems. 
  • Design and code new software and/or modify existing software to add new features, debug or improve existing software, and correct defects.
  • Collaborate with a team of developers using code management tools such as Gitlab
  • Test and maintain software products to ensure strong functionality and optimization.  Troubleshoot complex software issues.
  • Design and develop web applications in Java, Python, .xml, and/or JSON.
  • Provide design, coding, testing and validation of software
  • Configure, administer, and support virtualized environments in AWS.
  • Perform root cause analysis and provide mitigation strategies.
  • Deploy, configure, secure, and monitor common services.
  • Design and update software databases. 
  • Review and test software components for adherence to the design requirements and document test results.
  • Providing direction and guidance to less experienced systems engineers and developers


  • Top Secret Clearance, with ability to obtain SCI with CI Poly
  • A Bachelor's degree with 8+ years of relevant experience OR a High School diploma with 12+ years of relevant experience
  • Security+ or DoD 8570 Certification required


Desired Technical Skills and Competencies:

  • Visual Studio Community 
  • Java 8 JDK 
  • Netbeans 12 IDE 
  • Cygwin (with git, python 2, and python3)
  • Knowledge of scripting languages like Bash, Python, or Javascript
  • Relevant certification for cloud and/or development


Please note this position requires a mix of onsite and telework work  

As a result of Executive Order 14042, Plus3 IT requires all employees for this position to be fully vaccinated against COVID-19. For the definition of fully vaccinated, please refer to the most up to date information located at the Safer Federal Workforce Task Force COVID-19 Workplace Safety: Guidance for Federal Contractors and Subcontractors:

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

Plus3 IT Systems


Reston, VA



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