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Network IoT Engineer

Cybersecurity or network infrastructure with OT/ICS environments Location: Maple Grove/Arden Hills Duration: 6 months PLEASE ENSURE THAT YOU INPUT SUPPLIER COMMENTS AS TO WHY YOU FEEL YOUR CANDIDATE IS A GOOD FIT. THIS IS A REQUIREMENT AND WILL BE REJECTED IF THIS INFORMATION IS NOT PROVIDED. 7+ Years of experience in Assurance for Internet of Things (IoT) 10+ years of experience in cybersecurity or network infrastructure, with 5+ years specifically focused on OT/ICS environments in manufacturing or critical infrastructure. Required Skills & Experience:

  • Proven leader with a strong background in OT cybersecurity architecture and execution, capable of designing and driving implementation of complex, multi-site solutions in manufacturing environments.
  • Strong foundation in network engineering and infrastructure, with experience in network design, segmentation, and secure architecture-especially in hybrid IT/OT environments.
  • Delivered full lifecycle solutions including: o Secure remote access o Network and OT segmentation (macro and micro) o OT IDMZ design and deployment o Proxy integrations o Legacy asset protection and internet restriction policies
  • Hands-on experience with OT security platforms such as Claroty, Nozomi, or Ordr, integrated with NAC (Aruba or Cisco), firewalls, and identity-based controls.
  • Deep experience in infrastructure implementation, including routing, switching, and zoning technologies within modern and legacy manufacturing networks.
  • Expertise in domain architecture best practices for OT, including designing isolated OT domains, proper Active Directory (AD) trust models, and secure domain controller (DC) placement and hardening strategies.
  • Experience addressing domain controller patching challenges in OT environments, including: o Developing segmentation strategies to isolate legacy systems from fully patched domain controllers o Designing dedicated legacy-supporting domain controllers with restricted access o Aligning firewall rules, DNS, and authentication flows to reduce risk from unpatched or constrained systems
  • Skilled in developing and enforcing zoning and segmentation strategies, aligned with ISA/IEC 62443, NIST CSF, and the Purdue Model.
  • Strong ability to coordinate across global sites, driving standardization of architecture, tooling, and governance.
  • A vocal and assertive leader who can influence decisions, rally teams, and gain alignment across cybersecurity, IT, OT, and operations stakeholders.
  • Excellent communicator with the ability to document strategy and architecture clearly and drive adoption from the boardroom to the plant floor.
  • Demonstrated ability to manage technical debt, balance operational risk, and deliver scalable, resilient security solutions in production environments. Experience & Qualifications:
    • 10+ years of experience in cybersecurity or network infrastructure, with 5+ years specifically focused on OT/ICS environments in manufacturing or critical infrastructure.
    • Proven track record in network and OT architecture design, and leading the implementation of global OT cybersecurity programs.
    • Experience working with complex, legacy-heavy environments, enforcing segmentation, secure access, IDMZ, and governance across diverse manufacturing sites.
    Preferred Certifications (Bonus, Not Required):
    • Global Industrial Cyber Security Professional (GICSP)
    • ISA/IEC 62443 Cybersecurity Certificate
    • Certified Information Systems Security Professional (CISSP)
    • Certified SCADA Security Architect (CSSA) or Industrial Cybersecurity Professional (IC32)
    • TOGAF or other enterprise architecture certifications
    • Cisco (CCNP/CCIE) or Aruba certifications a plus for networking depth
    • Microsoft Certified: Windows Server Hybrid Administrator Associate or similar (for domain controller relevance) Education:
      • Bachelor's degree in Cybersecurity, Networking, Engineering, or Computer Science (Master's degree a plus)

    For applications and inquiries, contact: hirings@openkyber.com

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