Senior Cyber Engineer

100 Everfox Holdings, LLC; United States; On-site; USD 152,000 - 188,000; Full time

Benefits offered by this job

Flexible PTO

401k match

Healthcare coverage

Job summary

Everfox seeks a Senior Cyber Engineer to support a government customer site in Huntsville, AL, onsite full-time. You will install, configure, and secure Windows and RHEL systems, manage ESXi/Hyper-V hosts, monitor performance, apply STIG-based remediation, and coordinate with product teams for issue resolution.

The role requires active TS/SCI eligibility, DoD 8140 IAT II certs, and US ITAR/EAR readiness. Travel may be limited, and a strong uptime mindset is essential to keep critical workloads

Qualifications

• Active TS with SCI or SCI eligibility within two years from last use
• At least one DoD 8140 Cyber Workforce Qualification Program certification (IAT level II or higher)
• Ability to meet work authorization requirements under U.S. ITAR or EAR regulations
• Windows and RHEL 8.x installation, maintenance, troubleshooting
• Product support and development team collaboration for issue resolution
• ESXi or Hyper-V virtual host management
• Appliance performance monitoring and troubleshooting
• Security vulnerability remediation aligned with STIGs or scan reports
• Firmware installation across major server and network hardware
• First-line support with government and contractor personnel
• Daily communication and reporting to customers and internal management
• Physical hardware handling (lifting, racking, cabling)

Responsibilities

• Installs, maintains, and troubleshoots Windows and RHEL 8.x OS for Everfox appliances on physical/virtual environments
• Creates, maintains, and troubleshoots virtual hosts on ESXi or Hyper-V
• Monitors performance issues impacting Everfox products onsite
• Reviews and remediates vulnerabilities or controls per STIGs/scan reports
• Installs firmware updates on DellEMC/HPE servers, SANs, switches, firewalls, etc.
• Collaborates with product support and development to resolve issues
• Works with onsite government/contractor staff as first-line support
• Performs health checks and monitors Kubernetes clusters using Grafana
• Reviews logs to identify issues and prevent escalation
• Deploys and configures endpoint security solutions with correct policy
• Supports physical hardware tasks: lifting, racking, cabling
• Develops software deployment plans and communicates with customers
• Maintains security and enterprise infrastructure understanding across domains
• Interacts with management and documents trip reports when applicable

Skills

TS clearance

DoD 8140 IAT II

Windows & RHEL 8.x

ESXi / Hyper-V

Kubernetes monitoring

Documentation & reporting

Education

Bachelor’s degree in CS/IS/Cybersecurity

Tools

Grafana

ESXi

Hyper-V

Job description

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

Primary Work Location*: Huntsville, AL

Workdays: Monday-Friday Fulltime Onsite (No telework or alternate work location available)

Work Hours: 8 hours per day starting between 6am - 9am (Occasionally, weekend support may be required to facilitate installations and upgrades.)

About the Role

The Senior Cyber Engineer supports a dedicated customer site in Huntsville, AL as part of Everfox’s growing professional services engineering team. This high-impact role requires hands-on technical expertise, independence in troubleshooting, and effective communication with both the customer and Everfox leadership. The engineer provides SME-level support across endpoint security solutions (HBSS, Tanium, Digital Guardian, etc.) and ensures the operational stability, security, and performance of Everfox appliances and supporting infrastructure.

Location: This is a full-time, on-site role in Huntsville, AL. No telework or alternate work location is available. For security reasons, the specific customer location is not listed; full details are provided upon employment and indoctrination.

Key Responsibilities

• Installs, maintains, and troubleshoots Windows and RHEL 8.x operating systems supporting Everfox appliances in both physical and virtual environments.
• Creates, maintains, and troubleshoots virtual hosts running on ESXi or Hyper-V.
• Monitors and troubleshoots performance issues impacting Everfox products onsite.
• Reviews and remediates security vulnerabilities or controls based on STIGs or scanning reports.
• Installs firmware updates on physical hardware including DellEMC and HPE servers, SANs, switches, firewalls, and other components.
• Collaborates with product support and development teams to resolve issues or bugs identified in customer-deployed products.
• Works directly with onsite government, contractor, or subcontractor staff as first-line support for deployed products.
• Performs regular health checks and monitoring of Kubernetes clusters, using tools such as Grafana to track performance metrics.
• Reviews logs proactively to identify and resolve issues before escalation.
• Deploys, monitors, troubleshoots, and optimizes endpoint security solutions, ensuring correct policy and system configuration.
• Applies broad understanding of enterprise infrastructure (data centers, networking, operations, security) to collaborate effectively across domains.
• Develops, explains, and maintains software deployment plans.
• Communicates daily with customers and Everfox management, providing activity summaries and detailed trip reports when applicable.
• Supports physical hardware tasks such as lifting, racking, and cabling.
• Performs other duties as assigned.

Key Knowledge and Skills

• Active TS with SCI or SCI eligibility within two years from last use.
• At least one DoD 8140 Cyber Workforce Qualification Program certification (IAT level II or higher).
• Ability to meet work authorization requirements under U.S. ITAR or EAR regulations.
• Windows and RHEL 8.x installation, maintenance, troubleshooting.
• Product support and development team collaboration for issue resolution.
• ESXi or Hyper-V virtual host management.
• Appliance performance monitoring and troubleshooting.
• Security vulnerability remediation aligned with STIGs or scan reports.
• Firmware installation across major server and network hardware.
• First-line support with government and contractor personnel.
• Daily communication and reporting to customers and internal management.
• Physical hardware handling (lifting, racking, cabling).
• Deep understanding of:
  • Windows OS services and service accounts.
  • Routing, switching, firewall rules, and TCP/UDP/SSH/FTP/SCP/HTTPS protocols.
  • Certificate creation, renewal, installation, and troubleshooting.
  • Server hardware installation, patching, and maintenance.

Key Education Requirements

• Bachelor’s degree in computer science, information systems, cybersecurity, or equivalent experience.

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.

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,

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 [e-mail].

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. #LI-CZ1

Everfox offers an external referral bonus program to assist with hiring and retaining top talent for specific qualifying positions. Positions that require a US Federal Clearance and that appear on this page are eligible for the program. Full Terms and Conditions can be found here.