Lead Engineer, Manufacturing Security
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Job Description
Lead OT network segmentation, firewall, and DMZ projects for Danaher’s global life sciences manufacturing operations. Serve as senior technical resource across multiple operating companies and sites.
Responsibilities:
- Serve as the senior OT security technical resource and primary DIS engineering point of contact for assigned platform operating companies
- Build relationships with OpCo CIOs, IT leads, and plant engineers to translate DIS architecture standards into implementation plans
- Translate enterprise OT architecture blueprints into engineering designs covering firewall policy, VLAN topology, DMZ architecture, access control rules, and compensating controls
- Drive network segmentation, firewall deployment, and DMZ build projects through production cutover
- Partner with OT Site Engineers and network teams during change-window execution
- Lead or provide on-site/on-call technical support during cutover while protecting production operations, batch processes, and automated manufacturing systems
- Contribute to deployment of OT remote access controls, replacing legacy VPNs, direct-vendor connections, and consumer-grade remote tools
- Build and maintain the OT Security engineering knowledge base, including architecture decisions, implementation playbooks, deviation rationales, and as-built network diagrams
Requirements:
- Strong hands-on experience designing and implementing OT network segmentation in live industrial environments, including VLAN architecture, industrial firewall configuration (Fortinet, Palo Alto, Cisco, or equivalent), DMZ build, and zone-based access controls across multi-site manufacturing operations
- Demonstrated ability to lead OT network change projects in production-sensitive environments
- Deep familiarity with OT/ICS components and network dependencies, including PLCs, DCS, SCADA, HMI, historian, and BMS systems
- Knowledge of Modbus, Profinet, EtherNet/IP, OPC-UA, and BACnet protocols
- Working knowledge of IEC 62443, NIST SP 800-82, and ISA-99 standards
- Hands-on experience applying security frameworks to remediate audit findings at manufacturing sites
- 10+ years of experience in OT/ICS security engineering or industrial network engineering
- Significant experience leading segmentation, firewall deployment, or OT infrastructure projects at multiple manufacturing sites simultaneously
- Ability to travel 25%
Benefits:
- Health care program
- Paid time off
- Medical insurance
- Dental insurance
- Vision insurance
- 401(k)
- Bonus/incentive pay
- Flexible, remote working arrangement
- Remote work from home
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