Senior Security Analyst — 24/7 SIEM & Incident Response

Relha LLC; Herndon (VA); Hybrid; USD 113,000 - 188,000; Full time

Job summary

Deloitte is seeking a Security Engineer III to monitor security events and manage incidents on a 24x7 basis in Herndon, VA. The role emphasizes independent work, collaboration, meticulous analysis, and clear communication to protect client networks and data.

The successful candidate will have 2+ years in security operations with SIEM, ticket systems, and across Windows, macOS, and Linux. A secret clearance and onsite work five days per week are required.

Qualifications

• Must be legally authorized to work in the United States.
• Active Secret security clearance required.
• 2+ years of experience with ticket management, SIEM, and OS knowledge.

Responsibilities

• Monitor and analyze security events 24x7x365 to identify incidents.
• Investigate suspicious activity and respond to cyber events.
• Lead projects or workstreams and mentor teammates.
• Communicate findings clearly and maintain strong client relationships.

Skills

Independence

Team collaboration

Written communication

Attention to detail

Relationship building

Project leadership

Prioritization

Interpersonal skills

Time management

Mentorship

Tools

Ticket management system

SIEM platforms

Operating systems (Windows, macOS, Linux)

Job description

Deloitte is seeking a Security Engineer III to monitor security events and manage incidents on a 24x7 basis in Herndon, VA. The role emphasizes independent work, collaboration, meticulous analysis, and clear communication to protect client networks and data.

The successful candidate will have 2+ years in security operations with SIEM, ticket systems, and across Windows, macOS, and Linux. A secret clearance and onsite work five days per week are required.