Endpoint Security Engineer: Harden & Protect Systems

Ciena; Atlanta (GA); On-site; USD 102,000 - 145,000; Full time

Benefits offered by this job

Medical, dental, vision plans

401(k) with company matching

Employee Stock Purchase Program

Job summary

Ciena is seeking a Security Engineer to protect enterprise endpoints and servers across Windows, macOS, and Linux. You will drive secure configuration management, hardening, and enablement while balancing resilience and risk reduction.

You will collaborate with technical teams, administer EDR and firewalls, analyze security events, and guide remediation with vendor support. Applicants must have 4+ years in related fields and be a US citizen.

Qualifications

• 4+ years of cybersecurity, security engineering, infrastructure security, or endpoint/server security experience.
• Application of TCP/IP networking concepts and OS security concepts.
• Experience supporting EDR, host-based firewall, SIEM, vulnerability assessment, and configuration baseline tools.
• Experience with security configuration standards: CIS Benchmarks, NIST, Zero Trust, least privilege.

Responsibilities

• Design, test, and implement endpoint and server security configuration changes through change control processes.
• Administer, troubleshoot, and maintain endpoint security platforms including EDR and firewalls.
• Analyze logs in SIEM platforms to identify risks, trends, and gaps.
• Coordinate investigations with vendor support for security tools.
• Perform baseline analysis and system hardening aligned with standards.
• Consult with internal teams on security requirements and remediation approaches.
• Track project activities and document controls, decisions, testing outcomes.

Skills

Cybersecurity

Security engineering

Endpoint security

SIEM

Networking basics

Tools

EDR

Host-based firewall

Vulnerability assessment

Configuration baseline tools

SIEM

Job description

Ciena is seeking a Security Engineer to protect enterprise endpoints and servers across Windows, macOS, and Linux. You will drive secure configuration management, hardening, and enablement while balancing resilience and risk reduction.

You will collaborate with technical teams, administer EDR and firewalls, analyze security events, and guide remediation with vendor support. Applicants must have 4+ years in related fields and be a US citizen.