In-House Cyber Defense Engineer

ThreatLocker, Inc.; Orlando (FL); On-site; USD 90,000 - 140,000; Full time

Job summary

ThreatLocker, Inc. is seeking an Internal Cyber Defense Engineer to protect its users, identities, systems, and internal infrastructure from evolving cybersecurity threats.

This hands‑on role focuses on security operations, identity security, threat detection, and incident response. You will collaborate with internal IT, MDR, and Threat Intelligence teams to strengthen security controls, investigate incidents, and improve ThreatLocker’s security posture in a fast‑paced enterprise environment

Qualifications

• 3+ years in cybersecurity operations, SOC analysis, incident response, or internal security engineering.
• Active CompTIA Security+ and Network+ certifications.
• Experience with identity and access management, including MFA and conditional access.
• Experience investigating security events with SIEM and securing enterprise endpoints.
• Experience in Windows and Microsoft 365 security environments.

Responsibilities

• Monitor, investigate, and respond to cybersecurity threats and alerts affecting ThreatLocker’s systems.
• Support identity and access security, MFA, conditional access, and access reviews.
• Tune SIEM rules and investigate alerts; improve security monitoring.
• Administer endpoint security technologies including EDR, MDM, and DLP.
• Collaborate with MDR and Threat Intelligence to investigate incidents and mitigate threats.
• Assist with incident response activities: analysis, containment, remediation, documentation.
• Coordinate phishing simulations and security awareness initiatives.
• Support GRC activities: policies, risk assessments, control docs, audits.
• Maintain incident response procedures and security reports; collaborate with IT teams to reduce risk.

Skills

CompTIA Security+

CompTIA Network+

SIEM platforms

EDR technologies

PowerShell

Python

Threat hunting

Incident response

GRC collaboration

Education

Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or related field

Tools

SIEM platforms

EDR

MDM

DLP

Power BI

Job description

ThreatLocker, Inc. is seeking an Internal Cyber Defense Engineer to protect its users, identities, systems, and internal infrastructure from evolving cybersecurity threats.

This hands‑on role focuses on security operations, identity security, threat detection, and incident response. You will collaborate with internal IT, MDR, and Threat Intelligence teams to strengthen security controls, investigate incidents, and improve ThreatLocker’s security posture in a fast‑paced enterprise environment