Lead Security Operations Engineer

Quartermaster

Lead Security Operations Engineer at Quartermaster AI managing security operations for maritime defense technology. Architecting security stacks and leading incident response efforts against sophisticated threats.

Posted 4/23/2026full-timeCalifornia • California • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

AWSAzureCloudCyber SecurityGoogle Cloud PlatformKubernetesPythonSplunk

About the role

Key responsibilities & impact

Own the full spectrum of security operations, from detection and incident response to infrastructure hardening and vulnerability management.
Architect and automate the defensive security stack that protects cloud environments, development pipelines, and edge-deployed maritime systems.
Work closely with Engineering and GRC teams to ensure operational excellence, resilience against sophisticated threats, and compliance readiness.

Requirements

What you’ll need

8+ years of experience in security operations and detection engineering, with a proven track record of architecting and defending infrastructure within startups in the defense industry.
Expert-level experience building and automating security monitoring stacks, including SIEM/SOAR platforms (Splunk, Elastic, Sentinel), EDR, and cloud-native security tooling.
Proven ability to lead end-to-end incident response, proactive threat hunting, and full-spectrum vulnerability management across AWS, Azure, or GCP environments.
Proficiency in Python or Bash for security orchestration and experience implementing hardening standards for CI/CD pipelines, container environments (Kubernetes), and edge-deployed systems.
Strong ability to align security operations with NIST 800-171 and CMMC frameworks, translating operational metrics into executive-level reporting and strategic guidance.
U.S. citizenship with the ability to maintain a security clearance; Bachelor’s degree in CS, Cybersecurity, or equivalent technical experience.
Deep hands-on experience with SIEM platforms, security automation, and cloud security (IAM, network security, and cloud-native monitoring).
Preferred certifications such as GIAC (GCIH, GCIA), OSCP, CISSP, or AWS/Azure Security specialties.
Experience with red/purple team exercises, adversary emulation (MITRE ATT&CK), and operating in critical infrastructure or defense environments.

Benefits

Comp & perks

Competitive salary and high-upside equity package.
Flexible work hours and hybrid/remote work options.
Comprehensive medical, dental, and vision benefits.
The opportunity to build a security organization from the ground up for mission-critical maritime defense technology.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

security operationsdetection engineeringincident responsevulnerability managementsecurity monitoring stacksSIEMSOARcloud-native security toolingPythonBash

Soft Skills

leadershipstrategic guidancecommunication

Certifications

GIACGCIHGCIAOSCPCISSPAWS Security specialtyAzure Security specialty