Network Engineer - Onsite

8974 DuPont Specialty Products USA, LLC; Virginia (MN); On-site; USD 120,000 - 170,000; Full time

Job summary

DuPont Spruance site is hiring an OT Network & Cybersecurity Engineer to protect the Process Control Network (PCN) and strengthen secure operations. This onsite role intersects industrial control systems, secure network design, and IT/OT cybersecurity across the site.

You will design secure PCN architectures, manage firewalls and monitoring tools, participate in risk assessments, and ensure compliance with NERC CIP and ISO 27001.

Qualifications

• Bachelor’s degree or equivalent hands‑on experience in a related field.
• 5+ years of OT networking, cybersecurity, industrial controls, or a similar role.
• Strong knowledge of ICS/PCN and process control networks.
• Microsoft certification or equivalent IT administration expertise (domain controller management).
• Hands‑on experience with firewalls, IDS/IPS, VLANs, and network monitoring tools.
• Familiarity with compliance frameworks (NERC CIP, ISO 27001).
• Collaborative mindset and ability to advise site leadership on cybersecurity priorities.
• Strong problem‑solving, troubleshooting, and incident response skills.

Responsibilities

• Design, implement, and manage secure PCN architectures for reliable operations.
• Administer switches, VLANs, and domain controllers with uptime focus.
• Own firewall configuration and approvals for secure connectivity.
• Support migrations and related work with pre‑migration audits and VLAN changes.
• Shape cybersecurity practices for industrial environments.
• Deploy and manage firewalls, IDS/IPS, antivirus, and endpoint protection.
• Lead monitoring, incident response, and forensic analysis.
• Conduct risk assessments and ensure compliance with NERC CIP and ISO 27001.
• Maintain disaster recovery plans and documentation.

Skills

OT networking

cybersecurity

ICS

firewall management

IDS/IPS

network monitoring

troubleshooting

Education

Bachelor’s degree in Computer Science or Engineering

Tools

Dell OpenManage

ActiveXperts

LogicMonitor

Windows domain management

Job description

Job Summary

Join the Tyvek® team as an OT Network & Cybersecurity Engineer and help protect the technology that powers safe, reliable manufacturing. In this high-impact role, you’ll work at the intersection of industrial control systems, secure network architecture, and IT/OT cybersecurity—strengthening the Process Control Network (PCN), improving resilience, and helping drive secure operations across the site. This is an onsite position at the DuPont Spruance site. Candidates must live within a daily commutable distance to the site or be willing to relocate to the area at their own expense to be considered for this role.

What You’ll Do

Network Design & Administration

• Design, implement, and manage secure, resilient PCN architectures that support reliable site operations.
• Administer switches, VLANs, and domain controllers with a focus on uptime, performance, and scalability.
• Own firewall configuration, rules, and approvals to strengthen secure connectivity across the environment.
• Support key technology migrations, including Honeywell-related work, through pre‑migration audits, switch reconfiguration, and VLAN changes.

Cybersecurity Implementation

• Shape and enforce cybersecurity practices designed for industrial control and manufacturing environments.
• Deploy and manage firewalls, IDS/IPS, antivirus, and endpoint protection solutions to reduce operational risk.
• Implement port locking and access controls that prevent unauthorized devices from connecting to the PCN.
• Represent the site in global cyber forums, including the Global Cyber Champions network and Honeywell Cyber Customer Advisory Board.

Monitoring & Incident Response

• Continuously monitor network traffic and system performance using tools such as Dell OpenManage, ActiveXperts, and LogicMonitor.
• Detect, analyze, and respond to anomalies, threats, or breaches.
• Lead incident response efforts, including forensic analysis and recovery.

Risk Management & Compliance

• Conduct risk assessments to identify vulnerabilities and recommend mitigations.
• Ensure compliance with standards such as NERC CIP, ISO 27001, and corporate cybersecurity policies.
• Maintain thorough documentation of network configurations, security policies, and compliance audits.

System Maintenance & Disaster Recovery

• Perform regular system updates, patches, and lifecycle management (LCM).
• Manage backups and restorations for DCS and non‑DCS systems.
• Oversee WSUS patching strategy and ensure continuity of updates across servers.
• Develop and maintain disaster recovery and business continuity plans.

Collaboration & Training

• Partner with engineering and IT teams to integrate cybersecurity into process control infrastructure.
• Provide training and awareness programs for employees on cybersecurity best practices.
• Act as a technical advisor for site leadership on emerging threats and security technologies.

What You’ll Bring

• Bachelor’s degree in Computer Science, Engineering, or a related field—or equivalent hands‑on experience.
• 5+ years of experience in OT networking, cybersecurity, industrial controls, or a similar technical role.
• Strong knowledge of industrial control systems (ICS) and process control networks.
• Microsoft certification or equivalent IT administration expertise (critical for domain controller management).
• Hands‑on experience with firewalls, IDS/IPS, VLANs, and network monitoring tools.
• Familiarity with compliance frameworks (NERC CIP, ISO 27001, etc.).
• A collaborative mindset and the ability to advise technical and site leadership on cybersecurity priorities.
• Strong problem‑solving, troubleshooting, and incident response skills.

DuPont is an equal opportunity employer. Qualified applicants will be considered without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability or any other protected class. If you need a reasonable accommodation to search or apply for a position, please visit our Accessibility Page for Contact Information.