Senior Technical Account Manager, OT Cybersecurity

Job not on LinkedIn

🔥 3 minutes ago

🇺🇸 United States – Remote

💵 $120k - $145k / year

⏰ Full Time

🟠 Senior

🧑‍🔧 Technical Account Manager

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Dispel

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2014

🔒 Cybersecurity

💰 $1.5M Series A on 2015-08

Cybersecurity

Dispel is a company focused on providing Moving Target Defense-based remote access systems tailored for both personnel and machinery. Established to adapt to the evolving requirements for secure remote connections to operational technology, Dispel emphasizes a zero-trust architecture integrated with comprehensive monitoring to enhance security. Their solutions are designed to significantly reduce operator and administrator time, making remote access both efficient and secure. Recognized as a leader in the cybersecurity field, Dispel's specialties include cybersecurity, remote access for critical infrastructure, network security, and incident response.

📋 Description

• Serve as senior technical owner for a portfolio of large enterprise and critical infrastructure customers, including multi-site and multi-region deployments • Build trusted-advisor relationships with OT/controls engineering, plant operations, IT/network teams, security operations, and executive leadership • Maintain documented understanding of customer OT architecture, asset inventory, network topology, vendor ecosystem, and risk posture • Lead executive business reviews and technical roadmap sessions tied to measurable risk reduction and operational outcomes • Design and validate deployments aligned to the Purdue Enterprise Reference Architecture and ISA/IEC 62443 zones and conduits, including industrial DMZs • Guide deployments involving PLCs, RTUs, HMIs, historians, engineering workstations, and safety systems • Plan and execute changes within change-management, maintenance-window, and MOC processes without unplanned operational impact • Advise on secure third-party and vendor remote access, privileged access, and zero trust architectures for OT • Act as final technical escalation point for complex network, identity, security, and platform issues • Troubleshoot at packet level across routing, switching, VLANs, NAT, firewalls, VPNs, DNS, and certificate/PKI issues • Diagnose industrial protocols and understand how security controls affect them • Lead root-cause analyses and incident post-mortems; drive durable fixes with Support, Engineering, and customers • Advise on OT security program maturity, segmentation, access control, monitoring, and incident response readiness • Map platform capabilities to ISA/IEC 62443, NIST SP 800-82, NIST CSF, NERC CIP, TSA security directives, and CISA guidance • Track the ICS threat landscape and translate it into practical customer recommendations • Support customer audits, assessments, and security questionnaires • Represent customer needs to Product and Engineering through prioritized field insights and requirements • Partner with Sales and Account Management on renewals, expansions, and complex upsells • Author reference architectures, deployment playbooks, runbooks, and best-practice guides • Mentor and coach TAMs and customer-facing engineers • Operate autonomously, lead complex deployments and escalations, set technical standards, and improve the TAM function

🎯 Requirements

• 7+ years in technical customer-facing or hands-on engineering roles, with a meaningful portion focused on OT/ICS • Practitioner-level, hands-on experience in industrial environments configuring, supporting, or securing PLCs, HMIs, SCADA/DCS systems, historians, and engineering workstations in live production settings • Deep, hands-on experience deploying and operating OT and IT security controls, including secure remote access, zero trust network access, privileged access management, network segmentation, firewalls, and OT asset visibility/threat detection • Working knowledge of ISA/IEC 62443 and NIST SP 800-82 • Strong practitioner-level networking skills: TCP/IP, routing and switching, VLANs, subnetting, NAT, firewall policy, VPNs, and packet-level troubleshooting • Working knowledge of industrial protocols including Modbus, DNP3, EtherNet/IP, PROFINET, OPC UA, and similar protocols • Proven track record as lead technical owner for large enterprise or critical infrastructure accounts in regulated, mission-critical environments • Executive presence and outstanding communication skills; able to explain complex technical risk to controls engineers, security teams, and executives • Ability to operate with minimal direction, prioritize across a demanding portfolio, and exercise sound judgment on escalation • Preferred: experience at an OT/ICS cybersecurity company • Preferred: background in a plant, utility, industrial operations environment, system integrator, or automation OEM • Preferred: certifications such as GICSP, GRID, GCIP, ISA/IEC 62443 Cybersecurity Expert, CISSP, CCNP, or equivalent • Preferred: familiarity with SAML/OIDC, Active Directory/Entra ID, MFA, VMware, Azure, and AWS • Preferred: experience in a SaaS or high-growth startup environment • Preferred: eligibility for or experience working in environments requiring U.S. security clearance or background screening

🏖️ Benefits

• 401(k) with company match • Generous paid time off and holidays • Performance bonus and equity eligible • Remote work • Medical, vision, dental insurance • Performance-based rewards and recognition • Role development and opportunities for development into other roles