Tactical Data Link Software Engineer

Everfox is seeking a Senior Tactical Data Link Software Engineer with hands-on experience developing and supporting secure software solutions within U.S. Government and military environments. The ideal candidate will have direct experience with military messaging and tactical data-link standards such as Link 16, JREAP-C, TADIL-J, USMTF and VMF, combined with strong Linux software development and networking expertise. The position will be responsible for developing & testing new product capabilities, software development/build tools, software test infrastructure & operational support for cross-domain products. You will work in a cohesive team environment, willing to grow & learn using many software development & operational tools to test, debug & support software for secure Linux desktop environments, IT operations/enterprise management, IP networking/routing and remote/virtual desktop deployments. Utilize your expertise in legacy U.S. Government messaging systems to guide the requirement definition, design and implementation of secure message gateways., * Demonstrate competency working hands-on in Linux based environments.

• Develop new features and extensions to existing products using a variety of languages including Rust, C, C++, Java, and proprietary languages.

• Self-starter utilizing your Linux and scripting expertise to integrate new features and extensions into complex products.

• Leverage 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.

• Direct experience with Link16, JREAP-C, TADIL-J, USMTF, VMF and related standards and protocols.

• BS Computer Science, Computer Engineer, Information Security or equivalent

• 12+ years experience in software engineering, system engineering or related disciplines

• Experience with software development in Linux environments using a variety of programming and scripting languages including Java, Python, Go, C/C++, and/or bash

• Hands-on experience implementing TCP/IP networking & related protocols (such as HTTP, SSH, IPSEC, TLS/SSL, etc)

• Robust 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
• Ability to obtain US Government Security Clearance if needed

Nice to Have:

• 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 with deploying cloud technologies such as MS 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

A reasonable estimate of the base salary range for this role is: $142,600.00-197,100.00 USD

The actual salary offered may vary within the range based on a candidates’ unique experience, locale, and business needs. In addition to a base salary and bonus plans, Everfox offers a generous benefits package including flexible PTO, a 401k match, and contribution to healthcare coverages. Our Talent Acquisition team will provide specific information regarding bonus eligibility and benefits offerings.

Everfox delivers trusted connectivity to protect the world’s most critical environments and safeguard the sensitive data powering decision advantage.

Built for mission-critical operations, Everfox protects what matters most by securing how data moves, how users access it, and how threats are neutralized across every domain. We enable mission speed and secure collaboration across networks, domains, and allies, while ensuring the data powering AI and advanced analytics remains trusted and protected.

We don’t just defend systems; we deliver decision dominance.

• Our Purpose. Protect what matters most by enabling organizations to operate security in the most complex and high-risk digital environments.
• Our Vision. To be the most trusted authority in high-assurance cybersecurity, enabling secure collaboration across every domain.
• Our Belief. Security should never limit mission success - it should enable it., Everfox is a Federal Contractor. Certain positions with Everfox require access to controlled goods and technologies subject to the International Traffic in Arms Regulations or the Export Administration Regulations. Applicants for these positions may need to be “U.S. Persons,” as defined in these regulations. Generally, a “U.S. Person” is a U.S. citizen, lawful permanent resident, or an individual who has been admitted as a refugee or granted asylum.