Senior Security Engineer - Hybrid Infra & SIEM Lead

KellyMitchell Group; Bethesda (MD); On-site; USD 131,000 - 172,000; Full time

Benefits offered by this job

Medical, Dental, & Vision Insurance

ESOP

401K offered

Job summary

KellyMitchell Group in Bethesda, MD seeks a Security Infrastructure Support Senior Security Engineer to design, deploy, and maintain enterprise IT security across hybrid environments. You will implement SIEM tools, secure cloud environments, and apply DevSecOps practices to integrate security into the software lifecycle.

The role requires 10+ years’ experience, 5+ years at a senior level, strong Python scripting, and the ability to communicate complex security concepts to diverse audiences,

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or related field.
• 10+ years of experience designing, installing, maintaining, and supporting enterprise IT systems.
• 5+ years of experience at the Senior Engineer level or higher.
• 3+ years hands-on with cybersecurity tools or SIEM implementation and administration.
• Experience supporting hybrid infrastructures on-prem and cloud.
• Strong cloud security knowledge (AWS, Azure, O365) including migration and hardening.
• Understanding of virtualization technologies and secure configuration practices.
• DevSecOps practices integrated into security operations.
• Strong Python scripting and automation skills.
• Excellent communication for technical and executive audiences.
• Collaborating with cross-functional teams and vendors.

Responsibilities

• Design, deploy, and maintain security systems across hybrid infrastructures on-premises and cloud.
• Implement, configure, and administer cybersecurity tools and SIEM platforms to support threat detection and monitoring.
• Develop and maintain secure cloud environments (AWS, Azure, O365), including migrations and hardening.
• Apply DevSecOps practices to integrate security into development, build, and deployment processes.
• Create and maintain automation scripts and tools (Python preferred) for monitoring, alerting, and incident response.
• Support virtualization platforms and ensure secure configuration, monitoring, and maintenance.
• Collaborate with cross-functional teams, stakeholders, and third-party vendors to enhance security posture.
• Provide technical leadership and mentorship to junior engineers and analysts.
• Communicate complex security concepts and recommendations effectively to technical and non-technical audiences, including executive leadership.
• Ensure all systems and processes comply with federal cybersecurity frameworks, including FISMA, NIST, and CDM standards.

Skills

Security architecture

Hybrid IT

Cloud security

Python scripting

SIEM experience

DevSecOps

Communication skills

Education

Bachelor's degree in Computer Science/IT/Cybersecurity

Tools

SIEM tools

Cloud security tooling

Job description

KellyMitchell Group in Bethesda, MD seeks a Security Infrastructure Support Senior Security Engineer to design, deploy, and maintain enterprise IT security across hybrid environments. You will implement SIEM tools, secure cloud environments, and apply DevSecOps practices to integrate security into the software lifecycle.

The role requires 10+ years’ experience, 5+ years at a senior level, strong Python scripting, and the ability to communicate complex security concepts to diverse audiences,