Overview

We are seeking an experienced and versatile Critical Infrastructure Engineer with deep expertise across enterprise networking, systems, and infrastructure operations. This role requires a professional who can confidently design, implement, troubleshoot, and optimize a broad range of technologies spanning both network and systems environments. You will work in a dynamic setting supporting complex enterprise and ISP-grade infrastructures, particularly in the energy and utilities sector.

Key Responsibilities

• Design, deploy, configure, and maintain network and systems infrastructure across multiple platforms.
• Manage and optimize network equipment, including Arista (all platforms), Cisco (routers, switches, firewalls), and Juniper (routers, switches).
• Administer and troubleshoot LogicMonitor, Kentik, ThousandEyes, and related monitoring and analytics tools.
• Support virtualization and compute platforms, including Nutanix, VMware, Dell servers, and Synology storage systems.
• Manage Microsoft Server OS environments and Microsoft Azure/Entra cloud services.
• Maintain and configure core network services: DNS, DHCP, IPAM, NTP, and other ancillary services essential for ISP/Enterprise infrastructures.
• Administer documentation and ticketing platforms: HaloPSA, Hudu, and Guru.
• Support incident response, change management, and root cause analysis for network and systems issues.
• Collaborate with cross-functional teams to ensure operational excellence, security compliance, and performance optimization.
• Integrate and support various third-party tools, particularly those common in the energy/utilities sector.

Required Qualifications

• 7+ years of progressive experience in enterprise networking and systems engineering roles.
• Strong, hands-on experience with:
• Networking: Arista, Cisco, Juniper platforms (configuration, troubleshooting, architecture).
• Monitoring/Analytics: LogicMonitor, Kentik, ThousandEyes.
• Systems & Virtualization: Nutanix, VMware, Dell servers, Synology.
• Cloud & Identity: Microsoft Azure, Entra ID (Azure AD).
• Core Services: DNS, DHCP, IPAM, NTP.
• Proficiency with Microsoft Server OS administration and integration in hybrid environments.
• Strong understanding of enterprise infrastructure design principles and best practices.
• Proven ability to document processes, procedures, and configurations using platforms like Hudu and Guru.
• Experience with PSA and ticketing tools (HaloPSA preferred).
• Broad knowledge of energy/utilities sector technology stacks a plus.

Preferred Skills

• Experience in ISP-grade or large-scale enterprise environments.
• Familiarity with compliance and regulatory requirements in critical infrastructure sectors.
• Scripting or automation skills (PowerShell, Python, etc.).
• Strong troubleshooting skills and ability to lead complex issue resolution.

Soft Skills

• Excellent written and verbal communication skills.
• Strong analytical and problem-solving abilities.
• Ability to work independently while collaborating effectively with team members.
• Comfortable working in fast-paced, high-availability environments.