Senior Security Engineer: Cloud, Automation & Secure DevOps

ECS Corporate Services; Arlington (VA); Hybrid; USD 140,000 - 180,000; Full time

Job summary

ECS Corporate Services in Arlington, VA is seeking a Senior Security Engineer to design, implement, and secure modern technology environments. This hybrid role requires practical experience across cloud, Linux, networking, and automation, with a focus on building secure and resilient systems.

You will partner with engineering teams, write security tooling, and harden operating systems, networks, and cloud resources.

Qualifications

• Bachelor's degree in engineering, CS, cybersecurity, or related field.
• At least 8 years of hands-on security engineering experience.
• Experience across Linux, cloud, networks, containers, and apps.
• Strong scripting using Python, Go, PowerShell, or Bash.

Responsibilities

• Design, build, and maintain security solutions across cloud, infrastructure, and containers.
• Identify vulnerabilities and remediate security gaps through engineering fixes.
• Develop security automation, tooling, and integrations with Python, Go, or Bash.
• Engineer security controls for Linux, networks, and cloud environments.
• Integrate security into CI/CD pipelines and IaC workflows.
• Lead and mentor engineers while performing hands-on security work.
• Perform security testing and configuration reviews.

Skills

Security engineering

Cloud security

Linux admin

Networking

Automation

Application security

Scripting

Education

Bachelor's degree in engineering, CS, cybersecurity, or related field

Job description

ECS Corporate Services in Arlington, VA is seeking a Senior Security Engineer to design, implement, and secure modern technology environments. This hybrid role requires practical experience across cloud, Linux, networking, and automation, with a focus on building secure and resilient systems.

You will partner with engineering teams, write security tooling, and harden operating systems, networks, and cloud resources.