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

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

401(k) Company match

Employee Assistance Plan

Health Savings Account

Flexible Spending Account

Wellness program

Job summary

Core Specialty Insurance Holdings, Inc. is seeking a Senior SOC Analyst to join the onsite Security Operations Center in Cincinnati (Mon–Fri).

The role leads investigations of complex security incidents, mentors L1 analysts, and drives improvements in detection, response, and automation in a fast-paced 24/7 environment. You will work with SIEM/EDR tools, tune detection logic, and develop automation workflows while coordinating with IT and security teams.

Qualifications

• 3+ years of experience in SOC operations, cybersecurity, or incident response.

Responsibilities

• 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 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:

Skills

SOC operations

Incident response

Security automation

MITRE ATT&CK

SQL/KQL queries

Communication & documentation

Cloud security

Threat intel

Education

Bachelor’s degree in Cybersecurity, CS, IT, or equivalent

Tools

SIEM platforms

EDR tools

Python

PowerShell

Job description

We are seeking a Senior SOC Analyst (Level 2/3) to join our Security Operations Center team onsite (Monday through Friday) within our Cincinnati office (this is NOT a hybrid or remote role). 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, 24/7 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:

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:

(This is NOT a hybrid or remote role), onsite (Monday through Friday).

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.

• 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, CompTIA CySA+, or CISSP.
• 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).

#LI-Hybrid

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