OT Network Engineer

Benefits: life insurance, parental leave, paid time off, sick time, 401(k) United States, Arizona, Phoenix Jul 04, 2026 About AES Corporation Are you ready to be part of a company that is not just talking about the future, but actively shaping it? AES Corporation is the largest U.S.‑based global power company, employing 8,300 people across 12 countries. AES has been ranked #1 by BloombergNEF in renewable energy sales to corporations in the U.S. and Americas for five consecutive years, delivering electricity to millions worldwide. The company holds a prominent position in Great Place to Work rankings and was named one of the World’s Most Ethical Companies for the 13th consecutive year in 2026, underscoring its commitment to integrity, transparency, and responsible business practices. AES is also a seven‑time winner of the Edison Electric Institute’s Edison Awards in the twenty‑first century. Job Title The OT Network Engineer is responsible for designing, deploying, and maintaining Cisco‑based network infrastructure across AES U.S. Renewables operational technology (OT) environments. This role ensures reliable, secure connectivity between data centers, substations, and field sites supporting renewable energy operations. Responsibilities Network Design & Deployment Design and deploy Cisco network infrastructure (routers, switches, and firewalls) across multiple renewable energy sites Configure and maintain Cisco Firepower/FTD firewalls and Cisco SD‑WAN architecture Build and monitor IPsec/GRE tunnels between data centers, substations, and field devices Ensure high availability and redundancy across primary and secondary data centers Site Connectivity & SCADA Integration Manage site connectivity including private circuits, LTE failover, and remote access solutions Support SCADA network integration and ensure proper segmentation between IT and OT networks Coordinate with vendors for network commissioning, circuit turn‑up, and troubleshooting Monitoring, Security & Compliance Implement network monitoring, logging, and alerting for uptime and security Assist in cybersecurity compliance activities (e.g., NERC CIP or company internal policies) Support controlled change management processes and scheduled maintenance windows Documentation & Collaboration Maintain accurate network documentation, IP address plans, and device inventory Participate in infrastructure and compliance‑related projects (e.g., network upgrades, site expansions, data‑center migrations) Communicate clearly with technical and non‑technical stakeholders Qualifications Bachelor’s Degree in Information Technology, Computer Science, Network Engineering, or an equivalent field with relevant work experience is required. A minimum of 5+ years’ experience is expected, including: Cisco network engineering (routing, switching, and firewalls) Experience with Cisco Firepower/FTD, ASA, and SD‑WAN platforms Strong knowledge of IPsec/GRE VPN tunnels, BGP, OSPF, VLAN architecture, and routing protocols (BGP, OSPF, EIGRP) Familiarity with network monitoring tools (e.g., SolarWinds, PRTG, or similar) Solid grasp of firewall rules, security zones, and remote access configurations Experience working in regulated or compliance‑driven environments Strong written and verbal communication skills Ability to work independently and manage multiple technical responsibilities Physical ability to lift and maintain 70 LBS for a short period of time Ability to climb a ladder over 4 feet Have reliable transportation Able to travel up to 25% and work in field environments during project commissioning and support remote site deployment Additional Qualifications Cisco certifications (CCNA, CCNP, or equivalent) Experience working with industrial communication protocols (Modbus, DNP3, IEC 61850) Experience supporting NERC CIP compliance in OT/ICS environments Familiarity with SCADA protocols and IT/OT convergence Experience with LTE/cellular failover and remote‑access VPN solutions Knowledge of AES infrastructure standards and operational practices AES is an Equal Opportunity Employer committed to building strength and delivering long‑term sustainability through diversity and inclusion. All qualified applicants will receive consideration for employment without regard to sex, sexual orientation, gender, gender identity and/or expression, race, national origin, ethnicity, age, religion, marital status, physical or mental disability, pregnancy, childbirth or related medical condition, military or veteran status, or any other characteristic protected under applicable law. #J-18808-Ljbffr AES Corporation