Senior Cyber Systems Administrator

About DMI DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA.

With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe.

Recognized as a Top Workplace, DMI is committed to delivering secure, efficient, and cost-effective solutions that drive measurable results. Learn more at www. dminc. com About the Opportunity DMI , LLC is seeking a Senior Cyber Systems Administrator to join us.

Duties and Responsibilities: Configuration management and control of maintenance architectural/design/functional changes to Sentinel/Splunk Enterprise, ES and SOAR. Provide knowledge and execution of platform hardening using standards such as STIGs or CIS Benchmarks.

Coordinate with various system owner support groups to gather and analyze requirements, propose implementation and integrations solutions, and plan and coordinate/execute system deployment tasks/projects to successful closure.

Gap assessment and analysis of security solutions and recommendation of improvement initiatives. Architecture and design with future growth in mind to ensure a balance between scalability, performance, stability, reliability, and agility.

Implementation, administration, maintenance, troubleshooting, root cause analysis, and break-fix support of security tools. Defense in-depth gap analysis and improvement recommendations of the security architecture and posture of the SOC infrastructure and environment.

Development and implementation of secure configurations standards of SOC tools. Configuration management and control of maintenance architectural/design/functional changes to Sentinel/Splunk ES and Phantom. Monitoring system updates and planning, reviewing, and executing patch/upgrade deployments.

Analyze system operational requirements and define, design, develop, and maintain/improve h