Senior Network & Cybersecurity Engineer - Azure/OT (Hybrid)

Fuelcell Energy; Danbury (CT); Hybrid; USD 113,000 - 126,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

Company-paid life/disability insurance

401(k) plan

Employee stock purchase plan

Generous paid leave

Job summary

FuelCell Energy, Inc. in Danbury, CT is seeking a Senior Network and Cybersecurity Engineer to own the company’s network and security across on-prem and Azure environments.

This hands-on role requires deep networking expertise, strong Azure experience, and the ability to implement Zero Trust and least-privilege controls while collaborating with IT, OT, and operations teams to protect production systems. The position is hybrid, onsite three days per week initially, with remote days as needed.

Qualifications

• Five+ years of progressive experience in network engineering and cybersecurity.
• Three+ years designing, securing, and operating Microsoft Azure in a production enterprise environment (required).
• Experience in manufacturing, energy, utility, or other industrial environments, including exposure to OT networks, is preferred.
• Strong communication and documentation skills.

Responsibilities

• Own the design, implementation, and support of the company’s network infrastructure, including LAN, WAN, wireless, firewalls, VPN, and connectivity to Azure.
• Develop and maintain a network roadmap that keeps connectivity reliable, secure, and scalable across all company facilities.
• Serve as the senior escalation point for complex network, connectivity, and security issues.
• Design and secure Azure networking and hybrid connectivity, applying Zero Trust and least-privilege principles.
• Implement and continuously improve security controls across Azure and the network, partnering with the cybersecurity team on identity, monitoring, and threat detection.
• Support secure segmentation and remote access between IT and OT environments, working with operations and engineering to protect the availability and safety of production systems.
• Lead infrastructure and security projects from planning through delivery.
• Manage patching and vulnerability remediation for network and security infrastructure, and support incident response, disaster recovery, and audit activities (including SOX).
• Maintain clear documentation and change control, and share knowledge with IT, OT, and cybersecurity teammates.

Skills

Network engineering

Cybersecurity

Azure

Zero Trust

Security controls

Documentation

PowerShell / Python

OT security awareness

Education

Bachelor’s degree in information technology, cybersecurity, computer science, engineering (or related)

Certifications such as Microsoft AZ-500 or AZ-700, CCNP, CISSP, or GICSP (a plus)

Tools

Entra ID

Defender for Cloud

Microsoft Sentinel

Claroty

Nozomi Networks

Dragos

Bicep

Terraform

PowerShell

Python

Job description

FuelCell Energy, Inc. in Danbury, CT is seeking a Senior Network and Cybersecurity Engineer to own the company’s network and security across on-prem and Azure environments.

This hands-on role requires deep networking expertise, strong Azure experience, and the ability to implement Zero Trust and least-privilege controls while collaborating with IT, OT, and operations teams to protect production systems. The position is hybrid, onsite three days per week initially, with remote days as needed.