Type One Energy · 23 hours ago
Senior Cyber Security Engineer
Knoxville, TN
Full-time
Onsite
Mid, Senior Level
3+ years expType One Energy is a mission-driven company focused on providing sustainable fusion power. They are seeking a Senior Cyber Security Engineer to oversee day-to-day cyber security operations, implement core security platforms, and ensure compliance with security standards.
Clean EnergyEnergyNuclear
Responsibilities
Own day-to-day internal cyber security operations and outcomes
Monitor, triage, and investigate security alerts and incidents
Act as the primary internal technical responder for security events
Coordinate closely with the MSP on managed security services (including SentinelOne), retaining internal accountability
Implement, configure, and operate core security platforms, including Zscaler and Aurascape
Design and enforce security policies; integrate with identity, endpoint, and network systems
Serve as technical owner for MSP-managed platforms by defining standards, reviewing findings, and validating response actions
Lead implementation and operation of a SIEM platform, including logging standards, alerting, and workflows
Lead technical investigation, containment, and remediation of security incidents
Conduct post-incident reviews and recommend control improvements
Operate vulnerability scanning and configuration assessment tools
Prioritize and track remediation based on risk and business impact
Implement and operate technical controls supporting CMMC Level 2 and NIST 800-171
Maintain defensible documentation of security controls and operations
Support audits, investor due diligence, and third-party security assessments
Partner with leadership to identify and remediate gaps
Work closely with the Director of IT on priorities, risk acceptance, and escalation decisions
Advise IT, engineering, and research teams on secure system design and operational trade-offs
Qualification
Required
Strong hands-on understanding of modern security principles and threat models
Practical experience securing Linux and Windows systems
Solid networking fundamentals (firewalls, segmentation, VPNs, DNS)
Experience operating security platforms such as SSE/CASB, EDR, vulnerability scanners, and SIEMs
Ability to automate and script security tasks using Python, Bash, or PowerShell
Experience securing cloud environments (AWS, Azure, or GCP)
Familiarity with IAM, logging, monitoring, and cloud network security
Demonstrated experience investigating and responding to security incidents
Ability to analyze logs and alerts to distinguish real risk from noise
Calm, methodical approach to incident handling under pressure
Typically 3–7 years of experience in cybersecurity, systems engineering, or a closely related field
Experience operating security controls in production environments with real accountability
Experience working with Managed Service Providers while retaining internal ownership of outcomes
Ability to communicate security risks clearly to non-security stakeholders
Sound judgment balancing security requirements with business and research needs
Comfort operating in an environment where execution is shared, but accountability is not
Preferred
Direct experience with CMMC, NIST 800-171, SOC 2, or IPO readiness
Relevant certifications (e.g., CISSP, GCIH, GCED, CCSP)
Benefits
Stock and share options 📈
Relocation allowance 💰
Insurance plans 🩺
401k retirement options 💸
And many more great voluntary benefits 👀
Company
Type One Energy
Stellarator technology to transform energy markets with fusion power.
51-200 employees
H1B Sponsorship
Type One Energy has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2023 (1)
Funding
Current Stage
Growth StageTotal Funding
$169.5MKey Investors
Breakthrough Energy VenturesUS Department of Energy
2026-01-14Convertible Note· $87M
2024-07-30Seed· $53.5M
2023-05-31Grant
Leadership Team
David Anderson
Co-Founder and VP - Systems Engineering
Chris Hegna
VIce President of Stellarator Physics Optimization and Principal Scientist
Recent News
ClimateHack Weekly
2026-01-17
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2026-01-16
2026-01-16
Company data provided by crunchbase