Senior Tactical Data Link Software Engineer

Everfox • Richardson, TX

2d • Hybrid

About The Position

Everfox is seeking a Senior Tactical Data Link Software Engineer to develop and support secure software solutions in U.S. Government and military environments. The role focuses on military messaging and tactical data-link standards, including Link 16, JREAP-C, TADIL-J, USMTF, and VMF, along with Linux software development and networking. The engineer will develop and test product capabilities, software development and build tools, software test infrastructure, and operational support for cross-domain products. The position involves working with a team to test, debug, and support software for secure Linux desktop environments, IT operations and enterprise management, IP networking and routing, and remote or virtual desktop deployments. The engineer will apply knowledge of legacy U.S. Government messaging systems to guide requirements, design, and implementation of secure message gateways. This is a hybrid role requiring on-site work several days each week, typically two to three days, with days determined by the manager. Candidates are expected to live within about 50 miles of the office. The job posting also lists the location as Remote.

Requirements

• Direct experience with Link 16, JREAP-C, TADIL-J, USMTF, VMF, and related standards and protocols.
• Bachelor’s degree in Computer Science, Computer Engineering, Information Security, or equivalent experience.
• 12+ years of experience in software engineering, systems engineering, or related disciplines.
• Experience developing software in Linux environments using programming and scripting languages including Java, Python, Go, C/C++, and/or bash.
• Hands-on experience implementing TCP/IP networking and related protocols such as HTTP, SSH, IPSEC, and TLS/SSL.
• Robust understanding of private and public keys and/or certificates.
• Experience with version-control technologies such as Git.
• Experience with Red Hat Enterprise, Fedora, or Ubuntu Linux operating systems.
• Ability to obtain a U.S. Government security clearance if needed.

Nice To Haves

• Experience with security design and architecture of cross-domain solutions (CDS).
• Experience with AI coding tools such as Claude Code, Codex, Gemini, or OpenCode.
• Agile or Scrum development experience.
• Experience deploying cloud technologies such as Microsoft Azure or AWS.
• Development experience in a distributed, parallel, or clustered processing environment.
• Experience with virtual desktop redisplay technologies such as RDP, Citrix Receiver, or VMware Horizon View.

Responsibilities

• Work hands-on in Linux-based environments.
• Develop new features and extensions to existing products using languages such as Rust, C, C++, Java, and proprietary languages.
• Integrate new features and extensions into complex products using Linux and scripting expertise.
• Use standard networking concepts to support the design and implementation of cross-domain capabilities.
• Develop data-inspection policies using proprietary and open-source programming languages.
• Provide technical briefings to customers and Everfox leadership as required.
• Develop and test product capabilities, software development and build tools, software test infrastructure, and operational support for cross-domain products.
• Test, debug, and support software for secure Linux desktop environments, IT operations and enterprise management, IP networking and routing, and remote or virtual desktop deployments.
• Guide requirements definition, design, and implementation of secure message gateways using expertise in legacy U.S. Government messaging systems.

Benefits

• Flexible PTO.
• 401(k) match.
• Contribution to healthcare coverages.
• Bonus plans.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior