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Senior Network Security Engineer, Operational Technology

CoreWeave· Technology
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full-timePosted 2mo ago

About the role

OT-focused network security engineer responsible for securing and improving the operational technology networks and connected devices within CoreWeave’s datacenter environments, working at the intersection of cyber security, OT, engineering, and datacenter operations.

Responsibilities

  • Establishing standards for security expectations covering all operational technology networks and devices connected to them, including network segmentation, host isolation, network traversal controls, and remote connectivity.
  • Providing solutions to complex security issues, manage multiple tasks, and prioritize effectively in a fast-paced environment.
  • Creating an inventory and risk register to baseline near term and long term objectives.
  • Partnering with production engineering and business development teams to evaluate priorities for risk reduction and evolving standards for future growth.
  • Executing and partnering with others in using penetration testing to evaluate effectiveness of existing controls.
  • Coordinating with third parties and internal teams to address vulnerabilities via mitigation, isolation or other strategies to protect critical infrastructure.
  • Researching industry risks and driving change in operational networks to continuously reduce risk.
  • Developing and testing recovery models and response playbooks for compromise scenarios.
  • Presenting technical security information to technical and non-technical audiences, and maintaining documentation and tooling.

Qualifications

  • 5+ Years of experience in network infrastructure security (firewalls, ACLs, architecture, risk management) in a global network environment.
  • Proficiency in at least one programming or scripting language (e.g., Go, Python, C/C++) for automation and tooling.
  • Bachelor’s degree in Computer Science or related field. Relevant certifications such as CISSP, CCNP, PCNSE are advantageous.
  • Experience with operational technology networks (factory or industrial systems, building management systems, power, physical security, remote access, HVAC, etc.).
  • Strong technical knowledge of network firewalls, VPNs, network segmentation, defense in depth.
  • Able to navigate ambiguity, identify root causes, and solve complex security problems.
  • Excellent written and verbal communication skills with strong technical documentation abilities.
  • Capable of working independently while managing multiple priorities in a fast-paced environment.
  • Strong desire to continuously learn and adopt new technologies and security techniques.

Benefits

  • Medical, dental, and vision insurance - 100% paid for by CoreWeave
  • Company-paid Life Insurance
  • Voluntary supplemental life insurance
  • Short and long-term disability insurance
  • Flexible Spending Account
  • Health Savings Account
  • Tuition Reimbursement
  • Ability to Participate in Employee Stock Purchase Program (ESPP)
  • Mental Wellness Benefits through Spring Health
  • Family-Forming support provided by Carrot
  • Paid Parental Leave
  • Flexible, full-service childcare support with Kinside
  • 401(k) with a generous employer match
  • Flexible PTO
  • Catered lunch each day in our office and data center locations
  • A casual work environment
  • A work culture focused on innovative disruption
Last updated Aug 12, 2026. Interested? Apply on the company site.

About CoreWeave

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