Software Engineer III

Everfox

$125K — $164K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • BS in Computer Science, Computer Engineering, Information Security, or equivalent
  • 8+ years of experience in software or system engineering
  • Proficiency in Linux software development using various programming languages
  • Hands-on experience with TCP/IP networking and related protocols
  • Strong knowledge of cryptography including public/private keys and certificates
  • Familiarity with Git and other version control technologies
  • Experience with Red Hat Enterprise, Fedora, or Ubuntu Linux.

Responsibilities

  • Utilize expertise to guide requirement definition and design of secure message gateways.
  • Work hands-on in Linux environments to develop and test new product features.
  • Develop features using languages such as Rust, C, C++, Java.
  • Integrate new features into complex products with Linux and scripting skills.
  • Support design and implementation of Cross Domain capabilities with networking concepts.
  • Create data inspection policies using various programming languages.
  • Provide technical briefings to customers and leadership.

Benefits

  • Flexible paid time off (PTO)
  • 401k match
  • Contributions to healthcare coverages
  • Opportunities for professional growth and learning
  • Collaboration in a hybrid work environment.
Full Job Description

We’re hiring for a hybrid role. You’ll work on-site with your team several days each week (typically 2–3), with the specific days set by your manager. Because regular in-person collaboration is central to this job, we look for candidates who live within about 50 miles of the office.

About the role:

We have an immediate need for a Software Engineer to enhance capabilities of cyber products for security-conscious government & commercial customers. The position will be responsible for developing & testing new product capabilities, software development/build tools, software test infrastructure & operational support for cross-domain products.  

The ideal candidate is a self-starter, working 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. 

Location: Richardson, Texas On-Site

Work Schedule:Full Time, Monday – Friday (standard work schedule with flexibility for mission critical requirements).  

Key Responsibilities:

  • Utilize your expertise in software development processes 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. 

Key Experience and Education Requirements:

  • BS Computer Science, Computer Engineer, Information Security or equivalent 
  • 8+ 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 Government Security Clearance if needed.

Nice to Have: 

  • Direct experience with Link16, JREAP-C, TADIL-J, USMTF, VMF and related standards and protocols. 
  • Experience with security design and architecture of Cross Domain solutions (CDS) 
  • Experience with AI coding tools such as Claude Code, Codex, Gemini or Open Code 
  • Agile or Scrum development experience 
  • Experience with deploying cloud technologies such as MS Azure or AWS 
  • 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:

$125,100.00-164,000.00 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.


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Don’t meet every single qualification? Studies show people are hesitant to apply if they don’t meet all requirements listed in a job posting. If there is something slightly different about your previous experience, but it otherwise aligns and you’re excited about this role, we encourage you to apply. You could be a great candidate for this or other roles on our team.

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