Senior Security Analyst: AI-Driven MDR Lead

Openkrill; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Artemis seeks a Senior Security Analyst to join Apollo, the managed detection and response service. You will lead investigations across cloud, identity, endpoint, and SaaS, own the case verdicts, guide customers, and drive incidents from signal to resolution.

You work across environments, accelerate attacker tradecraft learning, and collaborate with platform engineers so insights ship to customers and protect every client we defend.

Qualifications

• 4+ years in security operations in SOC/MDR contexts.
• Deep investigation across identity, cloud, endpoint, and SaaS.
• Strong knowledge of attacker tactics and MITRE ATT&CK.
• Evidence-based decision making with clear close criteria.
• Experience using AI-assisted investigation or automation.
• Excellent customer-facing and written communication skills.

Responsibilities

• Own investigations from pickup to close, set verdicts and severity.
• Reconstruct attacker activity across identity, cloud, endpoints, and SaaS.
• Recommend and execute containment with customer approval.
• Prioritize work by threat risk and real-time targets.
• Communicate findings clearly to customers in their own words.
• Lead hypothesis-driven threat hunts to surface new cases.
• Help design Apollo workflows, reporting, and tooling.
• Collaborate with engineers to influence product improvements.

Skills

Security operations

Investigation depth

MITRE ATT&CK

Evidence-based analysis

AI-assisted investigation

Customer-facing

Written communication

24x7 availability

Tools

Okta

Entra ID

AWS

Azure

GCP

EDR

Microsoft 365

Google Workspace

Job description

Artemis seeks a Senior Security Analyst to join Apollo, the managed detection and response service. You will lead investigations across cloud, identity, endpoint, and SaaS, own the case verdicts, guide customers, and drive incidents from signal to resolution.

You work across environments, accelerate attacker tradecraft learning, and collaborate with platform engineers so insights ship to customers and protect every client we defend.