Java Developer with Top Security Clearance

Overview

On Site
$250,000 - $280,000
Full Time

Skills

Top Security
Clearance

Job Details

Now Hiring: 10 Software Engineers | TS/SCI with CI Poly Required Location: Onsite | Clearance Required
Job Type: Full Time with Benefits + Relocation Assistance

Open Systems Technologies Corporation (OST), a leader in federal IT and cybersecurity solutions, is hiring 10 Software Engineers to join an elite agile team supporting a high-visibility national security program.

This is a full-time opportunity offering high-impact work, continuous learning, and a supportive environment with excellent benefits—including 3 weeks PTO, 401(k) with immediate vesting, profit sharing, relocation assistance, and paid certifications.

Key Responsibilities

  • Develop and enhance software systems using Java and other technologies (Python, C/C++, SQL, PowerShell).
  • Participate in SAFe Agile planning and work in sprints.
  • Contribute to UI development, backend integration, automation scripting, and software design using CASE tools.
  • Apply secure software development practices and DevOps principles.
  • Collaborate with cross-functional teams using Agile/SAFe methodology and tools like Jenkins, Eclipse, and Postgres.

Must-Have Qualifications

  • Active TS/SCI with CI Poly (no exceptions)
  • Strong Java development experience
  • Experience with tools/tech: Python, C/C++, SQL, HTML/XML, SOAP, WSDL, Oracle, Jenkins, Windows/Linux
  • Knowledge of UI, backend services, database structures, and scripting
  • Agile development mindset; able to work independently and in a team

Preferred Qualifications

  • Agile practices: BDD, TDD, SAFe (SAFe Agilist cert a plus)
  • Experience with tools: Selenium, Cucumber, UFT, Mockito, FITNesse
  • Familiarity with Tomcat, WebLogic, JBoss, Postgres
  • Secure software development practices (Layer 7, secure APIs)
  • Experience in high-assurance or national security systems

Clearance Requirement:
Must hold TS/SCI with CI Polygraph—DoD or Intel community accepted. No visa sponsorship or clearance processing provided.

Perks & Benefits:

  • 3 weeks PTO + 11 Federal Holidays
  • Full health, dental, vision, life & disability insurance
  • 401(k) with 4% match (immediate vesting)
  • Annual profit sharing bonus
  • Paid training & technical certifications
  • Relocation assistance offered

 

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