Senior Cyber Engineer — Onsite DC Mission‑Critical Security

Everfox; Virginia (MN); 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 dedicated customer site in the DC area, on-site only. You will manage Windows and RHEL 8.x systems, ESXi/Hyper-V hosts, and monitor performance to ensure security and uptime across Everfox appliances.

The role requires active TS/SCI eligibility, DoD 8140 IAT II certification, and strong collaboration with government staff and internal teams to resolve issues and implement secure configurations.

Qualifications

• Bachelor’s degree in computer science, information systems, cybersecurity, or equivalent experience.
• 8+ years of relevant professional experience.
• Active TS with SCI or SCI eligibility within two years from last use.
• 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.

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.

Skills

TS/SCI clearance

Windows OS

RHEL 8.x

ESXi/Hyper-V

Networking basics

Security monitoring

Education

Bachelor’s degree in CS/IS/Cybersecurity

Tools

ESXi

Hyper-V

Grafana

STIGs/SCAP

Job description

Everfox seeks a Senior Cyber Engineer to support a dedicated customer site in the DC area, on-site only. You will manage Windows and RHEL 8.x systems, ESXi/Hyper-V hosts, and monitor performance to ensure security and uptime across Everfox appliances.

The role requires active TS/SCI eligibility, DoD 8140 IAT II certification, and strong collaboration with government staff and internal teams to resolve issues and implement secure configurations.