Senior Security Engineer

ECS is seeking a Senior Security Engineer to support its Homeland Security Solutions department. The role focuses on designing, implementing, and improving security solutions across cloud, application, infrastructure, Linux, networking, automation, and containerized environments while partnering with engineering teams to build secure and resilient systems.

Responsibilities:

• Design, build, implement, and maintain security solutions across cloud, application, infrastructure, and containerized environments
• Identify vulnerabilities, attack paths, configuration weaknesses, and security gaps, and develop practical engineering solutions to remediate them
• Build and maintain security automation, tooling, scripts, and integrations using languages such as Python, Go, PowerShell, or Bash
• Engineer security controls for Linux systems, networks, cloud platforms, containers, Kubernetes, applications, and supporting infrastructure
• Develop and improve security monitoring, logging, detection, and response capabilities using system, application, network, and cloud telemetry
• Implement security into CI/CD pipelines, infrastructure-as-code workflows, and software development processes
• Partner with developers, DevOps engineers, cloud engineers, and system administrators to design solutions that are secure, scalable, maintainable, and operationally effective
• Perform hands-on security testing, technical assessments, configuration reviews, and troubleshooting of complex systems and applications
• Develop security tooling and integrations using APIs, automation frameworks, and native cloud services
• Secure microservices, APIs, containers, and distributed application architectures
• Harden operating systems, network services, cloud resources, and application platforms using security engineering best practices
• Analyze security data and metrics to identify trends, prioritize risk, and drive improvements to the security posture of the environment
• Research emerging threats, vulnerabilities, attack techniques, and security technologies and determine how they apply to the environment
• Provide technical leadership and mentorship while remaining actively involved in engineering and implementation work

Requirements:

• Bachelor's degree in engineering, computer science, cybersecurity, or another technical discipline, or an associate degree with equivalent years of relevant technical experience
• At least 8 years of overall technical experience, including significant hands-on experience in several of the following areas:
• Strong scripting or development experience in at least one language such as Python, Go, PowerShell, Bash, Perl, or similar
• Demonstrated ability to independently troubleshoot complex technical and security problems and implement solutions
• Ability to work directly with engineering teams and translate security requirements into practical technical controls