OT Network Engineer

Are you ready to be part of a company that's not just talking about the future, but actively shaping it? Join The AES Corporation, the largest US-based global power company with a team of 8,300 employees across 12 countries. AES has been ranked #1 by BloombergNEF in renewable energy sales to corporations in the US and Americas for five consecutive years, providing electricity for millions of people worldwide. We are proud to foster a strong workplace culture, earning prominent positions in Great Place to Work™ rankings across the markets where we operate. AES was also named one of the World’s Most Ethical Companies for the 13th consecutive year in 2026, highlighting our dedication to integrity, transparency, and responsible business practices. Our spirit of innovation continues to earn industry recognition. AES is the only seven-time winner of the Edison Electric Institute’s Edison Awards in the twenty-first century, a distinction honoring global leadership in advancing the electric power industry. If you're ready to be part of a company that's not just adapting to change, but driving it, AES is the place for you. We're not just building a more sustainable future, we're powering it. Apply now and energize your career with a true leader in global energy. The OT Network Engineer is responsible for designing, deploying, and maintaining Cisco-based network infrastructure across AES US Renewables operational technology (OT) environments. This role ensures reliable, secure connectivity between data centers, substations, and field sites supporting renewable energy operations. The position requires hands-on expertise in Cisco routing, switching, and firewall technologies, along with a strong understanding of SCADA network integration, IT/OT network segmentation, and cybersecurity compliance (e.g., NERC CIP). The engineer will collaborate across IT, OT, Cybersecurity, and Operations teams to deliver high-availability network services that support safe and efficient power generation. Primary 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, datacenter migrations) Communicate clearly with technical and non-technical stakeholders Qualifications Bachelor’s Degree (Information Technology / Computer Science / Network Engineering) preferred or equivalent with relevant work experience required. 5+ years’ experience to include: 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, and 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 short period of time Ability to climb a ladder over 4 feet Have reliable transportation Able to travel up to 25% and 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 who is committed to building strength and delivering long-term sustainability through diversity and inclusion. Respecting all backgrounds, differences and perspectives enables us to improve the lives of our people, customers, suppliers, contractors, and the communities in which we live and work. 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. E-Verify Notice: AES will provide the Social Security Administration (SSA) and if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization. The expected salary for this position, at commencement of employment, is between $105,000 and $131,325/year; however, base pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. The total compensation package for this position also includes annual bonus. The benefits offered for this position are: medical, dental, and vision coverage, life insurance, 401(k) eligibility, and paid time off (including vacation, sick leave time, and parental leave). Details of participation in these benefit plans will be provided if a candidate receives an offer of employment. If hired, employee will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors. Apply by clicking the application link below and submitting your information. The deadline to apply for this role is 07/12/2026 Accelerating the future of energy, together Our people are our energy and have transformed AES into the type of energy company that the world needs today and in the future. Coming from all walks of life, our people share a passion for improving lives by advancing the energy sector through innovation, collaboration and action. We are working in an industry that requires new thinking and ways of working together to create solutions that are both economically and environmentally viable, not just one or the other. We are looking for passionate people to join us in our mission to accelerate the future of energy. Are you ready to join us?