Senior Infrastructure Architect

Essential Functions & Responsibilities

Senior Infrastructure Architect    The Senior Infrastructure Architect is responsible for the strategic design, governance, and optimization of enterprise infrastructure across Arcwood. This role architects and oversees cloud, network, cybersecurity, data center, telecommunications, and operational technology (OT) infrastructure supporting treatment, storage, disposal (TSD) facilities, hazardous waste operations, transportation fleets, laboratory environments, field services, and corporate functions.

The Senior Infrastructure Architect establishes enterprise standards and long-term technology roadmaps that ensure secure, resilient, scalable, and compliant infrastructure capable of supporting 24/7 operations across multiple facilities and locations. The role partners with business leaders, operations, cybersecurity, engineering, and acquisitions teams to modernize infrastructure, enable digital transformation, and support organizational growth.

Arcwood Environmental is pursuing growth through M&A activity, and this role will serve as the technical owner for infrastructure to support acquired organizations through their onboarding and long-term operational needs. Prioritizes health and safety by adhering to policies, processes, and consistently maintaining safe practices

Designs, documents, and implements enterprise infrastructure architectures across multiple sites, including treatment, storage, disposal (TSD), incineration, laboratory, transportation, field service, and corporate operations

Architects, engineers, and optimizes highly available cloud, network, server, storage, virtualization, telecommunications, backup, and disaster recovery solutions that meet performance, scalability, resilience, and cybersecurity requirements

Develops and maintains enterprise infrastructure standards, reference architectures, technical roadmaps, engineering guidelines, and operational best practices to drive consistency and standardization across all locations

Leads infrastructure modernization initiatives, including cloud adoption, data center optimization, network transformation, platform consolidation, automation, and technology lifecycle management

Serves as the technical owner for infrastructure needs throughout Arcwood’s pursuit of growth through M&A activities; provides end-to-end technical leadership, including infrastructure due diligence, target-state architecture design, integration execution, risk mitigation, and post-acquisition technology stabilization

Designs and supports enterprise WAN, SD-WAN, LAN, wireless, VPN, internet connectivity, Microsoft Azure, Active Directory, Entra , storage, virtualization, backup, and identity management platforms

Develops infrastructure-as-code, automation, orchestration, monitoring, and configuration management solutions to improve performance, reliability, security, and operational efficiency

Architects secure infrastructure supporting operational technology (OT), industrial control systems, laboratory environments, facility operations, and remote field locations while maintaining appropriate separation and integration between OT and enterprise IT environments

Implements and maintains cybersecurity controls, including network segmentation, Zero Trust architecture, secure remote access, identity governance, vulnerability remediation, security hardening, logging, and monitoring capabilities

Establishes and validates business continuity, disaster recovery, high-availability, redundancy, backup, and resiliency strategies to support critical 24/7 operations

Serves as the highest-level technical escalation point for complex infrastructure, cloud, network, systems, and security issues; leads root cause analysis efforts and…