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NOV

engineering opportunity

Network Security Engineer - Field & Cloud Infrastructure

The Network Security Engineer will identify security gaps and implement practical solutions to improve the security and reliability of field-hosted and cloud-connected systems. They will also act as a bridge between cybersecurity and operational teams to ensure secure, scalable, and compliant network architectures.

Cedar Park, Texas, United StatesonsiteFULL_TIME

Posted

About the role

What will you do at NOV?

Network Security Engineer – Field and Cloud Infrastructure

The Network Security Engineer – Field and Cloud Infrastructure will be

responsible for understanding the company’s existing field, network, and remote

connectivity landscape, identifying potential security gaps, and helping design

and implement practical solutions to improve the security, reliability, and

maintainability of deployed systems.

This role requires a practical, operations-focused approach to network security.

Most deployments are remote sites where uptime is critical, and ease of use is a

top priority. The candidate must be able to identify security gaps while also

understanding that improvements must be practical, deployable, supportable, and

minimally disruptive to site operations.

Responsibilities

  • include but are not limited to the following:
  • * Work closely with existing network, support, and engineering teams to
  • evaluate current configurations, document risks, recommend improvements, and
  • support implementation of security controls across field-hosted,
  • cloud-connected, and enterprise network environments.
  • * Define realistic mitigation paths that balance security, usability, field
  • deployment simplicity, customer needs, and maximum system availability.
  • * Develop containment strategies & recovery plans to minimize operational
  • disruptions.
  • * Shadow field and support personnel on occasional field visits to understand
  • the procedural, environmental, and operational constraints.
  • * Design secure industrial network architectures following Purdue Model
  • principles.
  • * Participate and Support OT cybersecurity incident response and forensic
  • investigations.
  • * Troubleshoot and resolve real-world issues using tools such as Python,
  • PowerShell, Bash, Ansible, Terraform, or similar technologies.
  • * Identify risks and translate findings into actionable remediation plans
  • * Support risk assessments aligned with international (IEC 62443, ISO 27001,
  • NIST CSF 2.0), regional (NOG-104, CIS), and internal standards.
  • * Identify creative methods to support customer requirements like data
  • sovereignty while maintaining remote patching of international systems.
  • * Configure deployment and support technologies (Fortinet, Starlink,
  • BeyondTrust) to maintain global standardization.
  • * Leverage centralized tools (NinjaOne, Zabbix, SentinelOne) and collaborate
  • with Systems Engineers to quantify risks and track adoption of improvements.
  • * Contribute to cybersecurity documentation, SOPs, and standards
  • * Support workflow and ticketing integration using tools such as Jira
  • * Act as a bridge between cybersecurity and operational execution, translating
  • security requirements into practical, scalable solutions
  • Required Qualifications
  • * Bachelor’s degree in computer science, information technology, cybersecurity,
  • network engineering, engineering, or a related technical field; equivalent
  • experience may be considered.
  • * 5–10 years in cybersecurity, systems engineering, network engineering, or
  • related roles
  • * Strong understanding of networking fundamentals, including TCP/IP, routing,
  • switching, DNS, DHCP, NAT, VLANs, firewalls, VPNs, and remote access
  • technologies.
  • * Experience deploying and maintaining vulnerability management, security
  • monitoring, SIEM, centralized logging, configuration compliance, and alerting
  • solutions within IT/OT environments to enhance security visibility,
  • operational resilience, and risk reduction.
  • * Experience with local and remote support of industrial OT networks, firewall
  • policy management, segmentation, secure remote access, and troubleshooting.
  • * Ability to evaluate technical environments, identify security gaps, and
  • recommend practical remediation steps.
  • * Experience with cybersecurity risk assessments for industrial systems.
  • * Experience supporting products deployed in customer OT environments.
  • * Experience writing scripts or automation using tools such as Python,
  • PowerShell, Bash, Ansible, Terraform, or similar technologies.
  • * Ability to communicate technical risks and recommendations clearly to both
  • technical and non-technical stakeholders.
  • * Strong documentation skills, including network diagrams, configuration
  • standards, implementation procedures, and technical notes.
  • * Ability to collaborate effectively with network, field support,
  • cybersecurity, infrastructure, cloud, and application teams.
  • * Experience with standards or frameworks such as NIST CSF 2.0, CIS Controls,
  • ISO 27001, IEC 62443, or other cybersecurity best practices.

Preferred Qualifications

  • * Experience supporting remote field networks, industrial environments,
  • customer-connected systems, or distributed infrastructure.
  • * Experience supporting offshore, drilling, marine, energy, or critical
  • infrastructure environments.
  • * Experience with cloud networking and security concepts in platforms such as
  • Azure, AWS, or Google Cloud.
  • * Familiarity with zero trust concepts, identity-based access,
  • certificate-based authentication, privileged access management, and
  • least-privilege design.
  • * Relevant certifications such as CCNA, CCNP, Security+, CySA+, CISSP, GICSP,
  • PCNSA, Fortinet NSE, or equivalent.
  • * Experience working with
  • Every day, the oil and gas industry’s best minds put more than 150 years of
  • experience to work to help our customers achieve lasting success.
  • We Power the Industry that Powers the World
  • Throughout every region in the world and across every area of drilling and
  • production, our family of companies has provided the technical expertise,
  • advanced equipment, and operational support necessary for success—now and in the
  • future.
  • Global Family
  • We are a global family of thousands of individuals, working as one team to
  • create a lasting impact for ourselves, our customers, and the communities where
  • we live and work.
  • Purposeful Innovation
  • Through purposeful business innovation, product creation, and service delivery,
  • we are driven to power the industry that powers the world better.
  • Service Above All
  • This drives us to anticipate our customers’ needs and work with them to deliver
  • the finest products and services on time and on budget.
  • Corporate
  • Our family of companies is supported by our global Corporate teams, providing
  • expert knowledge from functions including Human Resources, Information
  • Technology, Compliance, Finance, QHSE, Marketing and Legal centers of
  • expertise. We are structured to provide guidance and service above all to all
  • our business operations.

Which skills does this role require?

Network securityCybersecuritySystems engineeringOT securityFirewall managementPythonPowerShellAnsibleTerraformVulnerability managementSIEMRisk assessmentPurdue modelIncident responseNetwork SecurityCloud InfrastructureOT CybersecurityPurdue ModelIEC 62443ISO 27001NIST CSF 2.0StarlinkBeyondTrustNinjaOneZabbixSentinelOneVulnerability ManagementIndustrial Control SystemsRisk AssessmentIncident ResponseTCP/IPVLANsVPNFirewallsData SovereigntyOperational TechnologyGCPJira

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