James H.

OT Cybersecurity Architect at Claroty

United States

About

Security professional with deep experience designing and securing enterprise, cloud, OT/ICS, and IoT environments across large, distributed organizations. I specialize in building Zero Trust‑aligned architectures, strengthening security posture, and leading cross‑functional initiatives that reduce risk and modernize security capabilities. My background spans network security, industrial systems, segmentation, automation, and exposure management. I’ve led engineering teams, influenced senior stakeholders, and driven architectural decisions that support both business objectives and long‑term resilience. I’m known for translating complex security challenges into clear, actionable strategies — and for partnering effectively with cloud, networking, application, and infrastructure teams to embed security into every layer of the environment. Core strengths include: • Security Architecture & Cybersecurity Engineering • OT/ICS Security & Industrial Networking • IoT Security Tooling & Integration • Network Security & Segmentation • Cloud Security Concepts (AWS/Azure/GCP) • CI/CD, Automation, and Secure Pipelines • Risk Assessment, Threat Modeling, Exposure Management • Leadership, Mentoring, and Cross‑Functional Collaboration I’m passionate about building secure, scalable systems and helping organizations evolve their security posture through thoughtful design, modern controls, and strong technical leadership. Key Expertise: OT Security & ICS Defense | Firewall Configuration | IoT Security Strategies Automation & Ansible | Penetration Testing | Vendor Technology Evaluations Remote Cybersecurity Implementation | Risk Mitigation & Compliance (NIST, IEC 62443) Seeking remote opportunities in industrial cybersecurity, IoT security, and ICS protection. Open to collaboration with professionals and companies driving security innovation!

Experience

  • OT Cybersecurity Architect at Claroty
    Apr 2026 - Present · 4 mos

  • Lowe's Companies, Inc. (6 yrs)
    • Lead Information Security Engineer
      Feb 2023 - Apr 2026 · 3 yrs 3 mos

      Led enterprise security engineering and architecture initiatives across Lowe’s retail, supply chain, and corporate environments. Drove Zero Trust maturity, strengthened core security capabilities, and guided engineering teams through complex, high‑impact initiatives. Key achievements: • Architected advanced security controls for remote access, supply chain network security, IoT, and segmentation. • Led a full microsegmentation POC, evaluating next‑gen tooling and influencing enterprise adoption. • Enhanced NextGen firewall posture and segmentation strategy across critical supply chain networks. • Directed risk assessments, threat modeling, and long‑term remediation for high‑impact findings. • Provided senior‑level leadership during incident response and major architectural decisions.

    • Senior Information Security Engineer
      May 2020 - Feb 2023 · 2 yrs 10 mos

      Delivered enterprise security engineering supporting retail, supply chain, and corporate systems. Focused on architecture, automation, and security validation while enabling secure operations at scale. Key achievements: • Designed secure architectures and performed testing, tool validation, and control assessments. • Automated security operations and upgrades using Ansible, improving consistency and reducing manual effort. • Maintained secure CI/CD pipelines and documentation repository • Led IoT security tool implementation and cross‑team enablement across multiple business units. • Supported high‑visibility business events with advanced network and security oversight. • Mentored junior engineers and strengthened adoption of hardening standards and best practices.

  • Senior Network Engineer at Computacenter
    Apr 2019 - May 2020 · 1 yr 2 mos

    Led secure network architecture and OT/ICS security initiatives across manufacturing environments. Provided technical leadership, Tier 2/3 support, and mentoring across the Carolinas region. Key achievements: - Designed secure OT/ICS network architectures for industrial environments - Supported Cisco LAN/WAN, wireless, and industrial networking (4500X, 4510, 3850, Stratix 5800) - Integrated PLCs, robotics, PROFINET, and CIP into secure network designs - Implemented Ondeso endpoint security for OT environments - Used Cisco Prime, Wireshark, Splunk, and CA Performance tools for network integrity - Mentored junior engineers and served as regional escalation lead

  • Spectrum Business for enterprise ()
    • Solutions Engineer
      Apr 2018 - Apr 2019 · 1 yr 1 mo

      Designed network architectures integrating hardware, software, transmission, and signaling systems. Delivered technical standards and recommendations for enterprise customers. Key achievements: - Developed optimized network configurations for enterprise clients - Evaluated new technologies and proposed architectural enhancements - Delivered solutions involving OSI Model, TCP/IP, routing, switching, and optical transport

    • Enterprise Engineer
      Mar 2017 - Apr 2018 · 1 yr 2 mos

      Supported complex Metro Ethernet, DIA, and wireless deployments. Provided escalation support and outage management for commercial clients. Key achievements: - Configured Cisco 7201 routers for Ethernet-over-DOCSIS circuits - Supported cell tower backhauls and large-scale wireless deployments - Served as escalation point for mixed wireless and fiber environment

  • Early Career Roles at Time Warner Cable, Infinite Communications, Premier Communications, AT&T
    2012 - 2017 · 5 yrs

    Progressive roles in field operations, technical leadership, and network installation. Built foundational expertise in RF, coax, fiber, and customer-premises networking. Key achievements: - Led teams in installation, maintenance, and troubleshooting of video, data, voice, and fiber systems - Managed technician training, operational processes, and quality assurance - Supported telephony, ADSL/VDSL, IPTV, and residential/business network services