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Software Engineer 3 - Cyber Security - Linux Development - Cross Domain Solutions

Everfox

$118,400 - $150,799
Sep 19, 2025
Reston, VA, USA
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Everfox needs to enhance the capabilities of its cyber products for security-conscious government & commercial customers by developing and testing new product capabilities, software development/build tools, software test infrastructure, and operational support for cross-domain products including Linux-based trusted access thin-clients.

Requirements

  • Familiarity with software development in Linux environments using a variety of programming and scripting languages including Java, Python, Go, C/C++, and/or bash
  • Familiarity with TCP/IP networking & related protocols (such as HTTP, SSH, IPSEC, TLS/SSL, etc)
  • Basic understanding of private and public keys and or certificates
  • Experience with version control technologies such as Git
  • Red Hat Enterprise, Fedora or Ubuntu Linux operating systems
  • Experience with security design and architecture of Cross Domain solutions (CDS)
  • Development experience in a distributed, parallel or clustered processing environment

Responsibilities

  • Self-starter utilizing your Linux and scripting expertise to support and field critical customer driven requirements, enabling secure data transfer
  • Utilize interpersonal skills to engage directly with the customer to provide advanced design, analysis and implementation of our software
  • Demonstrate competency working hands-on in Linux based environments, troubleshooting on-site technical issues, using and configuring the Everfox solutions to deliver critical customer driver requirements
  • Leverage standard networking concepts to support the design and implementation of Cross Domain solution to include failover, co-op, and load balancing as well as interoperability with other components within the enterprise.
  • Develop data inspection policies using proprietary and open-source programming languages
  • Provide technical briefings to customers and Everfox corporate leadership as required
  • Mission oriented to provide training, troubleshooting, and on-site/remote support to customers.

Other

  • Active (currently in use) TS/SCI clearance with Counter Intelligence Polygraph
  • This position may require some minimum travel as needed to meet customer and project requirements.
  • BS Computer Science, Computer Engineer, Information Security or equivalent
  • 5+ years of experience in software engineering
  • Agile or Scrum development experience