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Deloitte · 1 day ago

Operations Technology Connectivity Engineer - Specialist Senior

Hartford, CT

Full-time

Hybrid

Mid, Senior Level

$113K/yr - $208K/yr

5+ years exp

Deloitte is a leading professional services firm, and they are seeking an Operations Technology Connectivity Engineer - Specialist Senior to join their AI & Engineering team. This role involves architecting and expanding network solutions to support IIoT devices, ensuring secure connectivity, and bridging IT and OT environments while mentoring junior team members.

AccountingConsultingFinancial ServicesLegalProfessional ServicesRisk Management

Growth Opportunities

No H1B

Responsibilities

Architect and expand both new (greenfield) and existing (brownfield) backhaul networks supporting scale-out of IIoT devices, data-intensive workloads (e.g., cameras, sensors), and site digitalization

Design and implement robust network architectures using Purdue Model, IEC 62443 zoning/segmentation, and real-time protocols (PROFINET, EtherNet/IP, OPC-UA over TSN)

Manage network segmentation and plant-to-cloud connectivity-including VLAN/trunking (802.1Q), VRF-lite, VXLAN-EVPN, and zero-trust micro-segmentation

Integrate site-to-site IPsec and SD-WAN overlays for secure and resilient OT network traffic

Champion network automation and monitoring initiatives using tools such as Ansible, Netmiko, N8N, and LangChain

Bridge IT and OT environments: design, secure, and integrate networks that bridge corporate IT platforms with plant/field OT environments, planning risk mitigation and compliance in line with the Purdue model

Apply expertise across industries, including Energy, Resources & Industrials (ERI); Manufacturing; and Technology, Media & Telecommunications (TMT)

Mentor junior team members and liaise with global teams to ensure client requirements are understood and delivered

Present technical solutions and risk assessments to Architecture Review Boards (ARBs) and engage with senior client stakeholders

Qualification

OT/IIoT network architectureNetwork automation toolsReal-time industrial protocolsNetwork performance assuranceBridging ITOTNetwork security compliancePresenting technical solutionsMentoringCollaborationLeadershipCommunication skills

Required

5+ years architecting, deploying, and supporting secure, multi-site OT/IIoT/industrial networks, leveraging models such as Purdue and IEC 62443

4+ years designing and implementing VLANs, WLANs, DNS, firewalls, site-to-site IPsec, SD-WAN, and secure remote connectivity

4+ years of strong hands-on experience with real-time industrial protocols (e.g., PROFINET, EtherNet/IP, OPC-UA) and troubleshooting plant-to-cloud networking (e.g., VLAN/trunking, VRF-lite, VXLAN-EVPN)

Experience with network automation tools and scripting, including but not limited to Ansible, Netmiko, N8N, and LangChain, to orchestrate hybrid and industrial cloud environments

2+ years bridging OT and IT environments, including integration planning and security/compliance risk mitigation

2+ years in network performance assurance: implementing KPIs, monitoring, and proactive troubleshooting to maximize reliability and visibility

Demonstrated ability to present solutions to senior stakeholders (e.g., Architecture Review Boards), summarizing architecture, risks, and value proposition

Bachelor's degree (or equivalent experience)

Ability to travel up to 50% based on client/industry needs

Must be legally authorized to work in the United States without employer sponsorship, now or in the future