OT Security Analyst: ICS/Industrial Network & Segmentation

Cognizant; New York (NY); In loco; USD 134.000 - 155.000; Tempo pieno

Vantaggi offerti da questo lavoro

Health insurance

Paid time off

401(k) plan

Disability insurance

Parental leave

Employee stock purchase plan

Descrizione del lavoro

Cognizant Technology Solutions Corporation is seeking an experienced OT Security Analyst to bolster cybersecurity across industrial sites in the Americas. This role emphasizes OT asset discovery, network topology, security assessments, and segmentation support, combining ICS/OT security expertise with networking fundamentals in production-sensitive environments.

The candidate will work with Network, OT, IT, and security teams to address gaps, maintain risk registers, and deliver site assessment

Competenze

• 5+ years in ICS/OT security, industrial cybersecurity, or OT infrastructure environments.
• Strong knowledge of Purdue Model, zones/conduits, segmentation, OT security principles.
• Solid networking fundamentals: VLANs, SPAN, routing, switching, firewall concepts.
• Experience building OT asset inventories and network topology docs from multiple sources.
• Experience with ISA/IEC 62443 or NIST SP 800-82 frameworks.

Mansioni

• Conduct OT site security assessments and inventory industrial assets, topology, and controls.
• Assess sites against OT Reference Architecture and document gaps, sensor coverage, risks, improvements.
• Support OT network segmentation by reviewing zones, conduits, and firewall needs.
• Analyze passive OT traffic and telemetry with Dragos/Claroty/Nozomi to support segmentation.
• Collaborate with Network teams on segmentation and firewall connectivity for production.
• Assist with sensor placement planning, pre-cutover/post-cutover monitoring, and coverage validation.
• Assess newly onboarded sites, identify gaps, coordinate with platform teams on monitoring and sensors.
• Maintain OT risk registers, findings, remediation actions, and evidence through closure.
• Coordinate with plant IT/OT, infrastructure, Network, and Threat Detection teams respecting safety constraints.
• Develop site assessment docs, diagrams, runbooks, and security status updates.

Conoscenze

ICS/OT Security

Industrial Cybersecurity

Network Security

OT Infrastructure

Security Assessments

Formazione

OT security certifications (GICSP, GRID, GCIA, ISA/IEC 62443, CCNA, Security+, CISSP)

Strumenti

Dragos

Claroty

Nozomi Networks

ServiceNow (ITSM)

Descrizione del lavoro

Cognizant Technology Solutions Corporation is seeking an experienced OT Security Analyst to bolster cybersecurity across industrial sites in the Americas. This role emphasizes OT asset discovery, network topology, security assessments, and segmentation support, combining ICS/OT security expertise with networking fundamentals in production-sensitive environments.

The candidate will work with Network, OT, IT, and security teams to address gaps, maintain risk registers, and deliver site assessment