Sr. Information Security Analyst
Core
Senior technical escalation point for complex investigations and response activities across IT and ICS/OT environments, acting as the internal contact for Managed Service Providers.
Role type
Senior IC Information Security Analyst (ICS/OT focus)
Builds
Security controls, logging requirements, and incident response capabilities for IT and OT systems.
Domain
Industrial Control Systems (ICS) / Operational Technology (OT) security
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
SIEM, IDS/IPS, firewalls, endpoint protection, network infrastructure (routers, switches, protocols), ICS network monitoring, cybersecurity policies (CIS, NIST), incident response, threat hunting, quality review of incident tickets, mentoring SOC analysts, technical direction on investigations, policy development, operational metrics analysis, audit support, threat intelligence, playbook improvement.
Preferred skills
CISSP, CISM, operational technology familiarity, ICS security best practices.
Technologies
Ethernet, Office 365
Responsibilities
Serve as senior technical escalation point for complex investigations and response activities across IT and ICS/OT environments; act as internal escalation contact for Managed Service Provider, reviewing escalated cases and driving issues to resolution; define and maintain escalation criteria, severity levels, and evidence standards; conduct quality reviews of MSP incident tickets and provide feedback; coach SOC analysts through mentoring and after-action reviews; provide technical direction on investigation methods and response actions; partner with IT and OT operations to build security controls and logging requirements; contribute technical input to policy development and remediation planning; review operational metrics and recommend improvements; ensure investigations align with business priorities and regulatory obligations; support audits and evidence requests; advance threat intelligence and purple teaming; improve security operations playbooks and team readiness; take technical ownership of assigned security services and platforms; manage incident workload and MSP escalations; recommend security controls based on incident and vulnerability reviews; stay current on threats and security trends.
Seniority
Senior, hands-on IC with mentorship responsibilities