Senior Technical Account Manager, OT Cybersecurity
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DispelOT cybersecurity
United StatesFull-TimeSenior
Salary$120,000-145,000.00
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Job Details
- Experience
- 7+ years in technical customer-facing or hands-on engineering roles, with a meaningful portion focused on OT/ICS
Requirements
- Have 7+ years in technical customer-facing or hands-on engineering roles, with a meaningful portion focused on OT/ICS.
- Bring practitioner-level hands-on experience configuring, supporting, or securing PLCs, HMIs, SCADA/DCS systems, historians, and engineering workstations in live production settings.
- Have hands-on experience deploying and operating security controls in OT and IT environments, including secure remote access, zero trust network access, privileged access management, segmentation, firewalls, or OT asset visibility and threat detection.
- Have working knowledge of ISA/IEC 62443 and NIST SP 800-82.
- Demonstrate practitioner-level networking skills, including TCP/IP, routing and switching, VLANs, subnetting, NAT, firewall policy, VPNs, and packet-level troubleshooting.
- Have working knowledge of common industrial protocols such as Modbus, DNP3, EtherNet/IP, PROFINET, and OPC UA.
- Have a track record as lead technical owner for large enterprise or critical infrastructure accounts in regulated, mission-critical environments.
- Be able to explain complex technical risk clearly to controls engineers, security teams, and executives.
- Operate with minimal direction, prioritize across a demanding portfolio, and exercise sound escalation judgment.
- Preferred: experience at an OT/ICS cybersecurity company or in plant, utility, or industrial operations, or with a system integrator or automation OEM.
- Preferred: relevant certifications such as GICSP, GRID, GCIP, ISA/IEC 62443 Cybersecurity Expert, CISSP, or CCNP.
Responsibilities
- Own the technical relationship for a portfolio of large enterprise and critical infrastructure customers.
- Develop and document each customer's OT architecture, asset inventory, network topology, vendor ecosystem, and risk posture.
- Lead executive business reviews and technical roadmap sessions.
- Design and validate deployments aligned to the Purdue Enterprise Reference Architecture and ISA/IEC 62443.
- Guide deployments involving industrial control systems and coordinate changes through customer change-management and maintenance-window processes.
- Troubleshoot complex issues across network, identity, security, and platform layers, including packet-level issues.
- Lead root-cause analysis and incident post-mortems with Support, Engineering, and customers.
- Advise customers on OT security maturity, segmentation, access control, monitoring, and incident response readiness.
- Represent customer needs to Product and Engineering, and partner with Sales and Account Management on renewals, expansions, and upsells.
- Author deployment playbooks and runbooks, and mentor TAMs and customer-facing engineers.
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