Lead Security Operations Engineer

Quartermaster • Arlington, VA

19h • Hybrid

About The Position

As our Lead Security Operations Engineer, you will own the full spectrum of security operations, from detection and incident response to infrastructure hardening and vulnerability management. This is a builder’s role; you will architect and automate the defensive security stack that protects our cloud environments, development pipelines, and edge-deployed maritime systems. You will work closely with Engineering and GRC teams to ensure our security posture is operationally excellent, resilient against sophisticated threats, and compliance-ready.

Requirements

• 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)

Nice To Haves

• 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

Responsibilities

• Lead security operations and detection engineering, including architecting and defending infrastructure within startups in the defense industry.
• Build and automate security monitoring stacks, including SIEM/SOAR platforms (Splunk, Elastic, Sentinel), EDR, and cloud-native security tooling.
• Lead end-to-end incident response, proactive threat hunting, and full-spectrum vulnerability management across AWS, Azure, or GCP environments.
• Perform security orchestration using Python or Bash and implement hardening standards for CI/CD pipelines, container environments (Kubernetes), and edge-deployed systems.
• Align security operations with NIST 800-171 and CMMC frameworks, translating operational metrics into executive-level reporting and strategic guidance.

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior