Senior Cyber Engineer (TS/SCI w/CI Poly Required)

Trusted Connectivity for AI-Powered Dominance.

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.

Our Promise. We deliver absolute confidence in environments where failure is not an option.

Job Title: Senior Cyber Engineer

About the role:
The Senior Cyber Engineer supports critical U.S. Government cybersecurity missions through installation, configuration, and integration of Cross Domain solutions. This role engages directly with customers, addressing complex and fast‑moving technical challenges to ensure successful deployment of secure data‑transfer capabilities. The successful candidate will receive specialized training in Everfox technologies and is expected to become proficient in all aspects of complex software solution deployment. This role includes CONUS/OCONUS travel to meet customer and project requirements.

Location:
Washington, DC with 50% travel (CONUS and OCONUS).

Key Responsibilities:

• Utilize Linux and scripting expertise to support and field critical customer-driven requirements enabling secure data transfer.

• Engage directly with customers to provide advanced design, analysis, and implementation of Everfox software.

• Work hands‑on in Linux-based environments, troubleshooting on‑site technical issues and configuring Cross Domain solutions to meet customer needs.

• Apply standard networking concepts to support design and implementation of Cross Domain solutions, including failover, load balancing, interoperability, and co‑op configurations.

• Develop data inspection policies using proprietary and open‑source programming languages.

• Provide technical briefings to customers and Everfox leadership.

• Deliver training, troubleshooting, and on-site/remote support for mission-specific requirements.

Work Schedule:
Full-time, Monday–Friday, with flexibility for mission‑critical requirements.
This position requires a minimum of 50% travel to CONUS and OCONUS customer facilities as needed.

Work Location:
Employees are geographically dispersed across the continental U.S. While Everfox has office concentrations in Herndon, VA; Richardson, TX; and Salt Lake City, UT, applicants may work remotely with management approval.

Key Knowledge and Skills:

• Active TS/SCI clearance with CI Polygraph (required).

• 8+ years of experience supporting enterprise software solutions in a cyber engineer role.

• Advanced experience in Linux and scripting.

• Strong software development experience in procedural programming languages.

• Excellent communication skills with an ability to relay technical concepts to technical and non‑technical audiences.

• Interest or experience in cybersecurity methodologies, technologies, application design, development, or operational environments.

• Strong networking knowledge (TCP/IP, firewalls, routers, etc.).

• Strong understanding of programming logic and methodologies (including regular expressions).

• BS in Computer Science, Computer Engineering, Information Security, or equivalent.

• DoD 8570.1‑M compliance at IAT Level I; SANS GSEC and CISSP preferred.

Nice to Have:

• Experience with security design and architecture for Cross Domain Solutions (CDS).

• Working knowledge of virtualized, networked environments (VMWare, Hyper‑V).

• Strong verbal and technical writing skills.

• Experience integrating security COTS products (firewalls, web gateways, DLP tools).

• Ability to prepare documentation supporting A&A activities.

• Knowledge of current IA policies contributing to secure solution architecture and design.

Core Competencies:

• Trusted Collaboration: Leads cross‑team discussions, navigates differing opinions, defines clear outcomes, and holds teams accountable for commitments.

• Growth Mindset: Champions learning culture, challenges status quo, and mentors teams in innovation.

• Resiliency: Guides peers through change, communicates openly about challenges, promotes adaptability.

• Culture of Accountability: Establishes accountability systems, clarifies roles, addresses performance issues, and supports team commitments with constructive feedback.

• Conscious Leadership: Promotes mindfulness and engagement, encourages psychological safety, and aligns purpose with action.

A reasonable estimate of the base salary range for this role is:

$151,800.00-187,500.00 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.

Everfox is an equal employment opportunity employer and complies with all applicable federal, state, and local laws prohibiting discrimination. Everfox does not discriminate against any employee or applicant based on race, color, religion, sex, age, national origin, disability, veteran status, marital status, medical condition, or any other category protected by applicable law. If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to use or access the Company’s career webpage as a result of your disability. You may request reasonable accommodations by sending an email to [email protected].

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.

Applicants must have the right to work in the location to which you have applied.

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