Job Description
Location: Urbana, Maryland, USA (Onsite)
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Employment Type: Full-time | Permanent
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The Role
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NETbuilder is looking for an experienced OT Security Engineer / Platform Engineer to support a newly awarded U.S. government cybersecurity project based in Urbana, Maryland.
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You will play a hands-on role in securing operational technology (OT) environments, focusing on asset discovery, network monitoring, security platform integration, and technical risk assessment.
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As this is a new project, you will also help establish the team's cybersecurity governance, processes, and ways of working, working closely with engineers, security specialists, and government stakeholders.
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What You Will Do
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- Perform passive asset discovery across OT/ICS environments, ensuring minimal disruption to operations.
- Develop and maintain network architecture diagrams, asset inventories, and data-flow documentation.
- Deploy, configure, and integrate OT security monitoring platforms such as Claroty, Dragos, or Nozomi Networks.
- Integrate OT monitoring solutions with network infrastructure, SIEM, and other cybersecurity tools.
- Analyze industrial network traffic using tools such as Wireshark to identify anomalies and potential security threats.
- Support network segmentation and security improvements in line with the Purdue model.
- Conduct technical security assessments and provide evidence to support Risk Management Framework (RMF) requirements.
- Identify vulnerabilities and recommend remediation measures while considering operational safety and system availability.
- Help establish security governance, technical processes, and best practices for the newly formed project team.
- Collaborate with technical teams and government stakeholders to support project delivery.
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What You Bring
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- 2-5 years of relevant experience in network engineering, cybersecurity, or OT/ICS security, including practical experience in industrial environments.
- Hands-on experience with OT asset discovery and monitoring platforms such as Claroty, Dragos, or Nozomi Networks.
- Strong understanding of industrial control systems (ICS), industrial network protocols, and OT security principles.
- Knowledge of network segmentation, the Purdue model, and industrial network architecture.
- Experience with packet capture and network traffic analysis tools such as Wireshark.
- Ability to create clear technical documentation, including network diagrams and data-flow maps.
- Familiarity with cybersecurity risk assessments, vulnerability management, and remediation activities.
- Strong problem-solving, communication, and collaboration skills.
- Ability to work onsite in Urbana, Maryland.
- Eligibility to work in the United States.
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Nice to Have
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- Relevant certifications such as GICSP, Security+, CCNA, GIAC GRID, or GCIP.
- Active U.S. security clearance or eligibility to obtain one.
- Experience supporting RMF compliance and security authorization activities.
- Familiarity with SIEM integration and OT security telemetry.
- Previous experience working on U.S. federal government cybersecurity projects.
- Experience helping establish cybersecurity processes and governance within new teams.
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About NETbuilder
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NETbuilder is a specialist technology partner founded in 1999. We help enterprises and mid-market organizations lead technology transformation through specialist consulting, managed services, and enterprise insourcing across security, ServiceNow, observability, and agentic automation.
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Work Location: Onsite – Urbana, Maryland, USA.