Cybersecurity Investigator

BlueScope•Kansas City, MO

20h

About The Position

The Cybersecurity Investigator protects BlueScope North America's information assets by monitoring, investigating, containing, and responding to cybersecurity threats. This experienced Security Operations Center analyst and escalation resource handles complex security events affecting enterprise, cloud, identity, email, endpoint, network, and operational technology environments. The role applies analytical judgment, technical investigation skills, and incident response experience to determine the scope, impact, and root cause of suspicious activity, while collaborating with regional and global technology teams to improve detection and response capabilities and communicate findings to technical and non-technical stakeholders. The investigator performs advanced security monitoring and investigations, coordinates incident response, conducts threat hunting, improves security operations, and collaborates with internal teams and external service providers. The position may involve participation in an on-call rotation or work outside normal business hours for critical incidents. BlueScope embraces flexible working arrangements where possible and mutually agreed.

Requirements

Bachelor's degree in Cybersecurity, Information Technology, Computer Science, Engineering, or a related discipline, or equivalent education and practical experience.
At least 4 years of experience in cybersecurity, security operations, incident response, threat hunting, digital forensics, or cyber investigations.
Experience working in a Security Operations Center or comparable security monitoring and response environment.
Hands-on experience investigating alerts and incidents using SIEM, endpoint detection and response, identity, email, cloud, and network security technologies.
Strong knowledge of Windows, Active Directory, Microsoft Entra ID, Microsoft 365, networking, authentication, and security event analysis.
Experience investigating phishing, malware, ransomware, account compromise, insider threat, unauthorized access, or data protection incidents.
Knowledge of incident response methodologies, evidence handling, threat intelligence, and the MITRE ATT&CK framework.
Ability to analyze complex technical information, reach defensible conclusions, and communicate findings to technical and non-technical stakeholders.
Strong written communication, documentation, organizational, troubleshooting, and problem-solving skills.
Ability to participate in an on-call or after-hours response rotation when required for critical cybersecurity incidents.

Nice To Haves

Certifications such as GCIH, GCIA, GCFA, CySA+, SC-200, CISSP, or comparable security credentials.
Experience with SIEM, XDR, SASE, or similar security operations platforms.
Experience conducting cloud security investigations in Microsoft Azure or other cloud environments.
Familiarity with digital forensics, memory or disk analysis, malware analysis, and evidence preservation practices.
Experience creating detection rules, threat hunting queries, security automation, or orchestration workflows.
Experience supporting manufacturing, industrial, critical infrastructure, or operational technology environments.
Experience coordinating investigations with managed security service providers, legal teams, human resources, or law enforcement.

Responsibilities

Monitor and investigate security events and alerts from SIEM, endpoint detection and response, identity, email, cloud, network, and other cybersecurity technologies.
Perform advanced triage and analysis of suspicious activity, potential policy violations, and confirmed security incidents.
Analyze endpoint, identity, application, cloud, and network telemetry to determine incident scope, impact, and likely root cause.
Correlate security telemetry, threat intelligence, and contextual information to distinguish malicious activity from expected business operations.
Document investigative actions, evidence, findings, and conclusions clearly and consistently.
Serve as an escalation point for complex or high-risk investigations and guide less-experienced analysts.
Coordinate and perform incident response activities, including identification, containment, eradication, recovery, and post-incident review.
Investigate phishing, malware, ransomware, account compromise, insider threat, unauthorized access, data loss, and other cybersecurity events.
Collect and preserve relevant evidence in accordance with established procedures and legal or regulatory requirements.
Develop, maintain, and improve incident response playbooks, investigation procedures, and escalation workflows.
Coordinate remediation with infrastructure, identity, application, cloud, networking, legal, human resources, and business stakeholders.
Provide timely status updates and communicate incident risk, business impact, decisions, and required actions.
Conduct proactive threat hunting to identify suspicious behaviors or indicators that may not generate traditional security alerts.
Use the MITRE ATT&CK framework and threat intelligence to evaluate adversary tactics, techniques, and procedures.
Recommend and help develop detection use cases, correlation rules, hunting queries, dashboards, and investigation workflows.
Tune detections to improve fidelity, reduce unnecessary alert volume, and strengthen coverage of relevant threats.
Validate security controls and detections through investigative feedback, testing, and incident lessons learned.
Identify recurring investigation patterns and recommend automation, orchestration, and process improvements.
Develop and maintain operational metrics, case reporting, and trend analysis for security monitoring and incident response.
Contribute to security operations procedures, knowledge articles, and analyst training materials.
Support major incident exercises, tabletop exercises, continuous improvement activities, cybersecurity assessments, audit requests, and risk-reduction initiatives as needed.
Collaborate with global and regional security, infrastructure, networking, identity, application, cloud, and operational technology teams.
Prepare investigation reports, incident summaries, and executive-ready communications appropriate to the audience.
Share investigative knowledge, mentor developing analysts, and promote consistent security operations practices.
Build effective relationships with internal stakeholders and external security service providers.
Maintain awareness of emerging threats, attacker behaviors, defensive technologies, and investigative techniques.