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Estuate - Business Analyst - Operational Technology
Actively Reviewing
Estuate, Inc.
Job Description
Job Title
OT (Operational Technology) Business Analyst
Role Summary
The OT Business Analyst will bridge the gap between industrial operations and enterprise IT/security teams by gathering, analyzing, and translating requirements across OT environments (ICS/SCADA). This role supports initiatives such as OT visibility, cybersecurity, asset management, and integration with enterprise platforms while ensuring safety, availability, and regulatory compliance.
Key Responsibilities
OT Domain & System Understanding:
OT / ICS Knowledge (Core):
OT (Operational Technology) Business Analyst
Role Summary
The OT Business Analyst will bridge the gap between industrial operations and enterprise IT/security teams by gathering, analyzing, and translating requirements across OT environments (ICS/SCADA). This role supports initiatives such as OT visibility, cybersecurity, asset management, and integration with enterprise platforms while ensuring safety, availability, and regulatory compliance.
Key Responsibilities
OT Domain & System Understanding:
- Document and analyze OT architecture aligned to the Purdue model (Levels 0-5).
- Work with core OT components:
- Field devices: Sensors, actuators.
- Control systems: PLCs, RTUs, DCS.
- Supervisory systems: SCADA, HMI.
- Operations layer: Historians, engineering workstations.
- Integration layer: DMZ, gateways, jump servers.
- Capture dependencies across network protocols (Modbus, OPC-UA, PROFINET).
- Elicit and document business, functional, and technical requirements for OT initiatives.
- Translate OT engineer inputs into business-readable deliverables (BRDs, user stories).
- Conduct workshops with plant operations, engineering, and cybersecurity teams.
- Create process flows, use cases, and current/future state architectures.
- Support initiatives aligned to NIST CSF, IEC 62443, NERC CIP.
- Capture requirements for:
- OT asset discovery (e.g., Tenable OT, Claroty, Nozomi).
- Network segmentation and IDMZ design.
- Vulnerability management in OT environments.
- Assist in risk assessments, control mapping, and audit readiness documentation.
- Define and validate OT asset inventory requirements (non-CMDB environments).
- Ensure data consistency across tools (Tanium, Tenable, ServiceNow CMDB).
- Support reporting and dashboards for OT risk posture.
- Gather requirements for integrating OT with enterprise platforms:
- SIEM (Splunk), data lakes (Snowflake, Databricks).
- ITSM tools (ServiceNow).
- Support API, gateway, and secure IT/OT integration patterns (Level 3.5 DMZ).
- Act as liaison between OT engineers, IT teams, vendors, and leadership.
- Manage conflicting priorities (e.g., uptime vs patching).
- Support governance frameworks, change management, and operational workflows.
- Document incident response workflows for OT environments.
- Assist in business continuity and disaster recovery planning.
- Translate technical risks into executive-level summaries and dashboards.
OT / ICS Knowledge (Core):
- Strong understanding of:
- ICS/SCADA environments.
- PLCs, RTUs, DCS, HMI systems.
- Industrial networks and protocols.
- Familiarity with Purdue Model & OT segmentation concepts.
- Knowledge of OT constraints (availability, safety-first design).
- Expertise in:
- Requirements gathering (Agile/Waterfall).
- Documentation: BRD, FRD, user stories, acceptance criteria.
- Process mapping (Visio, Lucidchart).
- Stakeholder engagement and workshop facilitation.
- Experience with Jira, Confluence, ServiceNow.
- Exposure to OT cybersecurity tools and frameworks.
- Understanding of:
- Vulnerability management in OT.
- Risk prioritization vs production impact.
- Experience supporting audits and compliance initiatives.
- Ability to define KPIs and metrics for:
- OT risk posture.
- Asset coverage and visibility.
- Experience with Power BI / dashboards preferred.
- Experience in industries like energy, utilities, manufacturing, oil & gas.
- Certifications (nice to have):
- CBAP / CCBA.
- GICSP / CISSP / ISA/IEC 62443.
- Exposure to Tenable OT, Nozomi, Claroty, Tanium.
- Strong communication translating technical OT business insights.
- Ability to operate in high-risk, regulated environments.
- Balancing security, safety, and uptime constraints.
- Structured, analytical, and solution-oriented thinking.
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