Senior Cybersecurity Engineer - AI & Cloud Security Lead

Hyliion; Austin (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

Hyliion is seeking a Senior Cybersecurity Engineer to own and elevate the company’s security posture across identity, endpoints, cloud/SaaS, and AI governance. You will maintain the SSP for a CMMC Level 2 enclave, sustain NIST 800-171 compliance, and manage Microsoft Entra ID/Defender, Intune, and MDR partnerships.

You will lead vulnerability remediation, policy tuning, and third-party risk assessments while coordinating incident response with the Red Canary MDR.

Qualifications

• Bachelor’s degree or higher in a related field.
• 5+ years of IT/cybersecurity operations and compliance experience.
• CISSP, CISM, Security+ or Azure security certs preferred.

Responsibilities

• Own Hyliion’s day-to-day cybersecurity posture across identity, endpoint, cloud/SaaS, and AI governance.
• Maintain SSP and control implementation for a CMMC Level 2 enclave with NIST 800-171 compliance.
• Administer and optimize Microsoft Entra ID Conditional Access, Identity Protection, and PIM.
• Oversee endpoint security, patching, vulnerability remediation, and EDR via Defender/Intune.
• Manage Defender suite and related policies, alert triage, and threat response.
• Coordinate with MDR provider (Red Canary) for detections and incident response.
• Administer MDM/Intune enrollment and device compliance.
• Govern SaaS security posture and third-party app risk assessments.
• Monitor and enforce AI platform security and data-handling policies.
• Maintain security policies, procedures, and evidence for audits (SOX ITGC, CMMC, NIST).
• Contribute to incident response, business continuity, and disaster recovery plans.
• Collaborate with leaders to mitigate security risks in new projects and vendor relationships.
• Produce executive dashboards translating risk into business metrics.
• Stay current on AI/LLM risks and regulatory changes, proposing improvements.

Skills

Azure Entra ID

Conditional Access

PIM

Endpoint security

Microsoft Defender

Intune

MDR coordination

SSPM / CASB concepts

AI/LLM security

NIST 800-171

CMMC 2.0

SOX ITGC

Regulatory compliance

Education

Bachelor’s degree in Computer Science / Information Systems / related field

5+ years IT/cybersecurity operations and compliance

Tools

Microsoft Entra ID

Defender suite

Intune

Red Canary MDR

Job description

Hyliion is seeking a Senior Cybersecurity Engineer to own and elevate the company’s security posture across identity, endpoints, cloud/SaaS, and AI governance. You will maintain the SSP for a CMMC Level 2 enclave, sustain NIST 800-171 compliance, and manage Microsoft Entra ID/Defender, Intune, and MDR partnerships.

You will lead vulnerability remediation, policy tuning, and third-party risk assessments while coordinating incident response with the Red Canary MDR.