i3, LLC is hiring: Senior Cybersecurity Analyst in Chantilly

Overview

As a Cybersecurity Analyst, you will be responsible for monitoring computer networks for security issues, investigating security breaches, and other cybersecurity incidents. You will document security breaches, assess damage, and work with the security team to perform tests and uncover network vulnerabilities to maintain a high-security standard across the multi-enclave environment (Unclassified, Secret, and Top Secret).

Key Responsibilities

• Monitor computer networks for security issues and investigate security breaches
• Document security breaches and assess the damage they cause
• Work with security teams to perform tests and uncover network vulnerabilities
• Fix detected vulnerabilities to maintain a high-security standard
• Recommend best practices for IT security
• Install security measures and operating software to protect systems and information infrastructure
• Conduct analysis, confirm intrusion information, and create forensically sound duplicates of files
• Examine recovered data for relevant information
• Perform dynamic analysis including timeline, statistical, and file signature analysis
• Perform real-time cyber defense handling tasks to support deployable Incident Response Teams
• Participate in Program Increments (PIs) and Agile Release Train (ART) activities
• Support the security accreditation process for systems

Required Technical Skills

• Threat hunting methodologies
• Advanced persistent threat (APT) detection
• Complex security incident investigation
• Advanced digital forensics
• Security architecture assessment
• Penetration testing techniques
• Security automation and orchestration
• Threat intelligence integration
• Risk assessment frameworks

Additional Technical Experience

• Splunk, Elasticsearch, and other SIEM tools
• Network traffic analysis tools
• Memory forensics techniques
• Disk forensics methodologies
• Cloud security (AWS GovCloud, SC2S, C2S)
• DevSecOps practices and tools
• SAFe Agile methodologies
• Multi-enclave security requirements

Qualifications

• Bachelor's degree in Cybersecurity, Computer Science, or related field
• Minimum of 8 years of experience in cybersecurity or related field
• Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI)
• Experience with SAFe Agile framework
• Strong understanding of advanced cyber threats and mitigation strategies
• Demonstrated experience leading security incident investigations
• Advanced security certifications (CISSP, GIAC, or equivalent) preferred

Work Environment

• Primary location: Chantilly, VA
• May require occasional travel for Program Increment planning sessions
• Must be a U.S. citizen and able to pass background check and polygraph examination
• May require flexible scheduling to support critical operations
• Must be able to respond to security incidents within designated resolution timelines