> Markdown version of [/jobs/ext/1747149-ot-network-cybersecurity-engineer-onsite](https://www.wearedevelopers.com/jobs/ext/1747149-ot-network-cybersecurity-engineer-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # OT Network & Cybersecurity Engineer - Onsite - **Company:** DuPont - **Location:** Richmond, VA, United States - **Experience:** Expert - **Salary:** $77,280.0 - $121,440.0 - **Contract:** Permanent contract - **Skills:** Domain Controllers, Antivirus Softwares, Cyber Security, Disaster Recovery, Intrusion Detection Systems, Network Security, Network Configuration and Change Management, Network Planning and Design, Network Monitoring, Virtual Local Area Networks, In-Plane Switching (IPS), Firewalls (Computer Science), Information Technology, Process Control Systems, Firewall Services Module, Wsus - **Published:** July 11, 2026 - **Apply:** https://dejobs.org/x/x/078C83AEF7D8481B99406632174A2279/job/ ## About the Role * 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. ## Description 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. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) - [Blockchains: One Size doesn't Fit All](https://www.wearedevelopers.com/videos/409-blockchains-one-size-doesn-t-fit-all) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)