Senior Cybersecurity Analyst

Job Title:

Senior Cybersecurity Analyst

Location:

Brentwood, TN Onsite Contract duration: 12 months Contract

(W2 only, No C2C–This is only for Visa Independent Candidates Only )

• The ideal candidate will possess mastery-level knowledge of cybersecurity alert triage; incident response aligned with NIST guidelines and be well-versed in threat detection techniques based on the MITRE ATT&CK framework. This role requires hands-on expertise in managing enterprise security platforms, owning the vulnerability management lifecycle, and leading email security operations.

The successful candidate will lead security event response, and act as a subject matter expert for the broader team. They will provide mentorship to junior staff and serve as a critical resource in securing enterprise IT and cloud environments.

• Implement and maintain cybersecurity tools and platforms across the enterprise, including extended endpoint detection and response (XDR), email security systems, and cloud security solutions.
• Lead and manage the enterprise Vulnerability Management Program, coordinating with infrastructure and application teams to drive timely remediation.
• Monitor and analyze cybersecurity alerts; lead response activities and investigations following NIST 800-61 incident response lifecycle.
• Develop and maintain correlation rules to improve threat detection, reduce false positives, and ensure timely alerting to Tier 1 analysts.
• Own the email security ecosystem, including administration of tools and enforcement of DMARC policies.
• Administer and maintain the enterprise email security gateway, ensuring secure, timely, and reliable delivery of all inbound and outbound email communications.
• Perform advanced threat hunting and cyber risk mitigation using IOCs (Indicators of Compromise), BIOCs (Behavioral Indicators of Compromise), and known TTPs (Tactics, Techniques, and Protocols).
• Develop and maintain Power Shell scripts to automate routine tasks, streamline security operations, and the Cybersecurity team.
• Document and maintain security architecture diagrams, system configurations, and standard operating procedures (SOPs) as needed.
• Troubleshoot and resolve operational issues related to cybersecurity solutions in coordination with cross-functional teams.
• Engage with third-party security vendors and service providers as needed for escalation and support.
• Mentor junior team members and contribute to the ongoing improvement of the security program.