Senior Security Operations Analyst - Onsite

Core Specialty Insurance Holdings, Inc.; Cincinnati (OH); On-site; USD 95,000 - 125,000; Full time

Benefits offered by this job

Comprehensive benefits including 401(k

Wellness program

Job summary

Core Specialty Insurance Holdings, Inc. is seeking a Senior SOC Analyst (Level 2/3) to join the Security Operations Center in Cincinnati or Dallas. This on-site role focuses on advanced threat detection, incident analysis, and escalation for L1 analysts in a fast-paced 24x7 environment.

You will mentor junior staff, lead investigations, tune SIEM/EDR detection logic, develop automation workflows, and contribute to incident reports and playbooks to strengthen defenses.

Qualifications

• Bachelor's degree in Cybersecurity, Computer Science, IT, or equivalent practical experience.
• 3+ years of experience in SOC operations, cybersecurity, or incident response.
• Certifications such as GCIH, GCIA, CEH, CySA+, or CISSP are preferred.

Responsibilities

• Investigate escalated alerts, validate threats, and perform deep-dive forensic analysis using SIEM, EDR, and threat intelligence tools.
• Lead containment and remediation for escalated incidents across multiple environments.
• Develop and tune SIEM use cases, correlation rules, and EDR detection logic to improve SOC efficiency.
• Design and implement automation workflows to enhance incident response and investigation efforts.
• Leverage AI platforms to assist with automation of SOC processes.
• Conduct proactive hunts leveraging behavioral analytics and intelligence feeds to identify emerging threats.
• Maintain and enhance SOC playbooks, runbooks, and SOPs.
• Produce high-quality incident timelines and detailed reports with root cause analyses.

Skills

SOC operations

Incident response

Security automation

Python scripting

PowerShell scripting

SQL/KQL

Communication & documentation

MITRE ATT&CK knowledge

Education

Bachelor's degree in Cybersecurity/CS/IT

Tools

SIEM

EDR

Threat intelligence platforms

Cloud security monitoring (AWS/Azure/GCP)

Job description

We are seeking a Senior SOC Analyst (Level 2/3) to join our Security Operations Center team within our Cincinnati or Dallas office. This is an on-site position Monday - Friday. This role is pivotal in advanced threat detection, incident analysis, response coordination, and automation development. Acting as an escalation point for L1 analysts, you will lead investigations into complex security incidents, mentor junior team members, and drive improvements in detection and response capabilities within a fast-paced, 24x7 operational setting.

Key Accountabilities/Deliverables:

• Investigate escalated alerts, validate threats, and perform deep-dive forensic analysis using SIEM, EDR, and threat intelligence tools.
• Lead containment and remediation efforts for escalated incidents across multiple environments.
• Develop and tune SIEM use cases, correlation rules, and EDR detection logic to improve SOC efficiency.
• Design and implement automation workflows to enhance incidents response and investigation efforts.
• Leverage AI platforms to assist with automation of SOC processes.
• Conduct proactive hunts leveraging behavioral analytics and intelligence feeds to identify emerging threats.
• Work closely with IT, network, and security engineering teams to contain incidents and strengthen defenses.
• Maintain and enhance SOC playbooks, runbooks, and standard operating procedures (SOPs).
• Assist with preparation of detailed incident reports, root cause analyses, and recommendations for preventive measures.
• Train and guide L1 analysts, fostering a culture of continuous learning and operational excellence.
• Assess and recommend new security technologies or security measures to enhance SOC capabilities.
• Maintain endpoint security baselines aligned with CIS benchmarks.
• Support integration and operations of a new primary EDR/SIEM platform.
• Partner with IT operations to safely test and deploy endpoint security changes.
• Act as a senior technical escalation point during security incidents.
• Contribute to incident response playbooks and post‑incident reviews.
• Produce high‑quality technical documentation, including:
  • Security architecture diagrams
  • SOPs and runbooks
  • Policy rationale and audit artifacts
  • Incident timelines

Technical Knowledge and Understanding:

• Strong understanding of SIEM platforms, EDR tools, and network monitoring solutions; including the maintenance and tuning of security tools and alert logic, security settings, and IOC blocks.
• Proven experience designing and implementing security automation workflows.
• Strong SQL/KQL query capabilities.
• Deep knowledge of attack lifecycle frameworks (MITRE ATT&CK, Cyber Kill Chain).
• Proven ability to analyze network traffic, logs, and host-based artifacts.
• Ability to work in a fast-paced 24x7 environment with rotational on‑call coverage.
• Excellent communication and documentation skills.

Experience:

• Bachelor’s degree in Cybersecurity, Computer Science, IT, or equivalent practical experience.
• This is an on‑site position Monday - Friday.
• 3+ years of experience in SOC operations, cybersecurity, or incident response.
• Certifications such as GCIH, GCIA, CEH, CompTIA CySA+, or CISSP is preferred.
• Experience with malware analysis or reverse engineering.
• Experience with scripting (Python, PowerShell) for automation and SOC process improvement.
• Familiarity with threat intelligence platforms and integration.
• Experience in cloud security monitoring (AWS, Azure, GCP).
• Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over work authorization sponsorship now or in the future for this position.

At Core Specialty, you will receive a competitive salary and opportunities for professional development and advancement. We offer medical, dental, vision, and life insurances; short and long‑term disability; a Company‑match of 100% of a 6% contribution 401(k) plan; an Employee Assistance Plan; Health Savings Account, Flexible Spending Account, Health Reimbursement Account, and a wellness program.