IT Security Analyst, Tier III

BerkleyWilmington, DE

About The Position

W.R. Berkley Corporation is comprised of 60+ businesses alongside Berkley Technology Services (BTS) and other shared services groups. Berkley Technology Services (BTS) focuses on its people, bringing unique perspectives and experiences to deliver adaptable, secure solutions and an unmatched user-focused experience. The company operates in a decentralized model, encouraging innovation and entrepreneurship within a long-standing brand. Internally, BTS maintains a relatively flat organization, valuing communication, feedback, and an open-door policy, fostering trust, transparency, and engagement. Their mission is to believe in the value of every voice, translate needs into capabilities, and secure the future of Berkley. Their vision is to be the foundation of Berkley through adaptable solutions, resilient environments, and an unmatched experience. The Tier III Security Analyst - SME position is assigned to the Security Operations Team. The primary purpose of this position is to be force multiplier to proactively identify, investigate, respond, contain, and report on cyber incidents by using pattern recognition, data sets, communication, forensics, and analytics. This position involves leadership duties and responsibilities that must continue to be performed during crisis situations and contingency operations, which may necessitate extended hours of work.

Requirements

  • Advanced understanding of networking concepts and ability to analyze network artifacts
  • Effective communication across technical silos
  • 6-10+ years of actual work-related experience in the field of Information Security
  • Experience with SIEM solutions (preferably Splunk or similar tool) search language, techniques, alerts, dashboards, report building, and creation of automated log correlations.
  • 6-10+ years of relevant cybersecurity experience in IT Security, Incident Response, or network security with a strong knowledge working in a SOC
  • The ability to write well and convey information to the intended audience in an easily understood manner
  • Bachelors Degree in Computer Science, Information Technology, Information Systems, or a related discipline. Equivalent experience and/or alternative qualifications will be considered.

Nice To Haves

  • Strong understanding of Lockheed Martin’s Kill Chain (preferred)
  • In depth knowledge of MITRE ATT&K matrix (preferred)
  • One or more relevant industry cybersecurity certifications preferred (GCIA, GCIH, GREM, CEH, etc.)

Responsibilities

  • Be force multiplier to proactively identify, investigate, respond, contain, and report on cyber incidents by using pattern recognition, data sets, communication, forensics, and analytics.
  • Perform leadership duties and responsibilities that must continue to be performed during crisis situations and contingency operations, which may necessitate extended hours of work.
  • Demonstrated leadership in directing and conducting research efforts, including prior experience as lead Investigator.
  • Identify deficiencies in security posture and develop, administer, and participate in action plans to address these gaps.
  • Experience in managing large-sized projects/programs across multiple disciplines and/or teams.
  • Advanced-level understanding of business risk and how to properly advise a customer through critical situations
  • Conduct analysis of network traffic and host activity across a wide array of technologies and platforms
  • Perform general SIEM monitoring, analysis, content development, and maintenance
  • Conduct and drive incident response activities such as host triage and retrieval, malware analysis, remote system analysis, end-user interviews, and remediation efforts
  • Compile detailed investigation and analysis reports for internal SOC consumption and delivery to leadership
  • Track threat actors and associated tactics, techniques, and procedures (TTPs) by capturing intelligence on threat actor TTPs and developing countermeasures in response to threat actors
  • Analyze malicious campaigns and evaluate the effectiveness of security technologies
  • Provide forensic analysis of network packet captures, DNS, proxy, Netflow, malware, host-based security and application logs, as well as logs from various types of security sensors
  • Conduct and provide computer forensic analysis of system memory and disk images
  • Coordinate threat hunting activities across the network, leveraging intelligence from multiple internal and external sources, as well as cutting-edge security technologies
  • Hunt for and identify threat actor groups and their techniques, tools, and processes
  • Identify gaps in IT infrastructure by mimicking an attacker's behaviors and responses
  • Provide analytic investigative support of large scale and complex security incidents
  • In depth understanding of cloud service providers (CSP) security offerings
  • Understanding of and ability to perform malware reverse engineering
  • Effective at utilizing sandbox technologies to detonate malware samples
  • Provide “Person in Charge” (PIC) coverage when on rotation.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service