Senior Security Analyst

RESPONSIBILITIES

• Responsibilities:
  • Monitor, triage, and respond to security alerts across multiple tools (SIEM, EDR, email security, etc.)
  • Own analysis, remediation and documentation for complex investigations, suspicious activity, and confirmed incidents
  • Maintain detailed and accurate records of security events, investigations, and outcomes
  • Review and implement policy changes, endpoint actions, and firewall rules
  • Participate in tuning and optimization of detection rules and alerting thresholds in collaboration with engineering teams
  • Mentor junior analysts, provide training and knowledge sharing
  • Support change request reviews and implementations
  • Perform deeper log analysis, regex/syntax tuning, and advanced queries
  • Participate in timekeeping (JIRA, Tempo, etc.)
  • Draft and contribute to playbooks/runbooks
• Skills:
  • Broad technical expertise across SIEM, endpoint, proxy, firewall, and email platforms
  • Skilled at balancing technical investigation with mentoring others
  • Strong client-facing communication
• Operational Scope:
  • Independent and trusted to guide others; escalates only to Advanced Analysts or management

• CompTIA Security+, CySA+, or equivalent foundational security certification
• 4+ years of relevant experience
• Strong understanding of common attack vectors and incident response methodology
• Solid grasp of TCP/IP networking, authentication protocols, and endpoint security concepts
• Proficient in analyzing log data and alerts from a variety of security tools (e.g., SIEM, EDR, firewall logs)
• Effective written and verbal communication skills, particularly around documenting and escalating incidents
• Ability to follow procedures while exercising sound judgment in complex scenarios
• Flexibility to work shift-based schedules

All candidates will be required to take an extensive background screen, credit screen, and drug screen prior to employment. This is an on-site position in the 5iron SOC in Franklin, TN.

Five Iron offers premium benefits that are intended to support our people and their families.

These include:

• Company-paid health, dental and vision insurance plans for the employee
• Up to a 4% 401k company match that vests immediately, it’s yours to keep
• Generous paid time off and 10 holidays per year
• Paid time off to vote and volunteer
• Paid time off on your birthday because it’s your special day
• Up to $100 per month for your internet and cell phone service
• Team building events

Job Type: Full-time