OT Security Platform Engineer & Technical Lead

Cognizant Technology Solutions Corporation; Little Rock (AR); On-site; USD 160,000 - 185,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

Paid holidays plus PTO

401(k) plan and contributions

Long-term/Short-term Disability

Paid Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant Technology Solutions Corporation is seeking an experienced OT Security Platform Engineer / Technical Lead to own Dragos-based monitoring across a global manufacturing environment. You will manage sensors, SiteStore, OT Watch, and drive detections tuning, while coordinating a small managed services team and providing OT security context to Threat Detection & Response teams.

The ideal candidate has hands-on Dragos or equivalent OT monitoring experience, solid ICS networking knowledge,

Qualifications

• 7+ years of OT/ICS Security, Industrial Cybersecurity, Network Security, Security Operations, or related roles.
• Hands-on experience operating Dragos Platform or comparable OT monitoring solutions in production.
• Strong networking knowledge: VLANs, SPAN/TAP, passive monitoring, routing, switching, and firewalls.
• Solid ICS/OT environments knowledge: Purdue Model, zones and conduits, safety requirements.
• Experience triaging OT detections and providing context to SOC/Threat Detection & Response teams.
• Experience with OT network segmentation, sensor deployment, SIEM integration, and detection routing.
• Familiarity with ServiceNow or ITSM platforms for incident tracking.
• Experience leading small technical teams in MSP/managed services or consulting.
• Experience in regulated manufacturing environments is preferred.
• Certifications in Dragos, GICSP, GRID, GCIA, ISA/IEC 62443, CISSP, CCNA/CCNP preferred.

Responsibilities

• Own day-to-day Dragos Platform operations: sensors, SiteStore, OT Watch, health, upgrades, and data quality.
• Monitor and troubleshoot sensors, resolve data coverage issues, coordinate with Dragos support and network teams.
• Validate sensor placement and network visibility across industrial environments, identify monitoring gaps.
• Triage high-severity OT findings, validate assets, investigate benign activity, escalate confirmed events.
• Tune detections to improve fidelity and route alerts to enterprise security teams.
• Support SIEM integration, detection forwarding, and handoffs with OT context for investigations.
• Deploy and validate sensors for new sites; manage secure decommissioning for closed sites.
• Assist with OT network segmentation by analyzing traffic and validating monitoring coverage after changes.
• Coordinate MSP resources, manage escalations, and serve as the lead technical contact for OT Security leadership.
• Maintain runbooks, transition plans, escalation matrices, status reports, and knowledge-transfer docs.

Skills

OT/ICS Security

Dragos Platform

Networking fundamentals

ICS/OT knowledge

Threat detection triage

SIEM integration

MSP/Managed services

ITSM familiarity

Tools

Claroty

Nozomi Networks

Job description

Cognizant Technology Solutions Corporation is seeking an experienced OT Security Platform Engineer / Technical Lead to own Dragos-based monitoring across a global manufacturing environment. You will manage sensors, SiteStore, OT Watch, and drive detections tuning, while coordinating a small managed services team and providing OT security context to Threat Detection & Response teams.

The ideal candidate has hands-on Dragos or equivalent OT monitoring experience, solid ICS networking knowledge,