OT Network & Security Engineer II

RWE; Austin (TX); On-site; USD 105,000 - 120,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Life Insurance

Short‑Term Disability

Long‑Term Disability

401(k) match

Flexible Spending Accounts

EAP

Education Assistance

Parental Leave

Paid time off

Holidays

Job summary

RWE Americas, LLC is seeking an OT Network & Security Engineer II to implement, operate, and support secure, resilient network infrastructure across operational technology environments. The role emphasizes hands-on implementation and support, with governance and policy handled by cybersecurity teams.

You will work with SCADA, field operations, infrastructure, and vendors to maintain reliable connectivity, apply approved security controls, and help sustain regulatory readiness.

Qualifications

• Bachelor's degree or equivalent with hands-on networking and security experience.
• Certifications preferred but not required; substitute with practical knowledge.
• Minimum 3 years in network engineering, network security or related technologies.
• OT/SCADA or industrial environments experience preferred.
• Experience with Cisco, Palo Alto Networks, and Fortinet firewalls and related policies.
• Familiarity with NIST, ISA/IEC 62443, NERC CIP, or ISO 27001.
• Ability to work independently and manage technical activities end-to-end.
• May lead workstreams and mentor junior staff.

Responsibilities

• Configure, maintain, and troubleshoot switches, routers, firewalls, VPNs, and related network infrastructure to ensure secure and reliable connectivity across operational sites
• Support routing, VLANs, network segmentation, firewall policies, and secure remote access by analyzing technical requirements and implementing approved configurations
• Monitor network performance, device health, logs, and security events to identify issues, determine root cause, and support timely resolution
• Troubleshoot network, firewall, VPN, segmentation, and application connectivity issues using structured analysis, diagnostic tools, and operational data
• Implement approved firewall rules, security profiles, and access controls to support least‑privilege access and reduce operational security risk
• Perform firmware upgrades, patching, hardening, and vulnerability remediation to maintain supported, secure, and compliant network infrastructure
• Support network and cybersecurity incident response by analyzing events, identifying contributing factors, and implementing corrective actions
• Execute network and security changes through established change‑management processes, including impact analysis, testing, validation, documentation, and rollback planning
• Support commissioning, expansion, and technology refresh activities by integrating network and security infrastructure into new and existing operational sites
• Maintain accurate network diagrams, configuration records, IP addressing, firewall documentation, and equipment inventories to support operations, troubleshooting, and audit requirements
• Collaborate with SCADA, field operations, infrastructure, vendors, and OT Cybersecurity teams to translate operational and security requirements into reliable technical solutions
• Identify opportunities to improve reliability, security, monitoring, automation, and standardization by analyzing recurring issues, operational trends, and technical performance

Skills

Enterprise networking

Network security

Cisco routing/switching

Palo Alto Networks

Fortinet firewall

OT/ICS familiarity

Independent worker

Education

Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or related discipline

Tools

Cisco

Palo Alto

Fortinet

Job description

RWE Americas, LLC is seeking an OT Network & Security Engineer II to implement, operate, and support secure, resilient network infrastructure across operational technology environments. The role emphasizes hands-on implementation and support, with governance and policy handled by cybersecurity teams.

You will work with SCADA, field operations, infrastructure, and vendors to maintain reliable connectivity, apply approved security controls, and help sustain regulatory readiness.