IoT Security Architect

Grainger

. Own security architecture and posture across device fleets, edge platforms, and supporting cloud, web, and identity services .

Posted 11/10/2026full-timeRemote • Illinois • United StatesSeniorLead💰 $146,200 - $243,600 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates deep expertise in security architecture for large-scale IoT and edge systems, with a strong focus on cloud platforms, identity management, and device trust. Proven ability to lead cross-functional teams and communicate complex security concepts to stakeholders effectively.

Highest-signal resume keywords

Security Architecture ExpertiseCloud IAMDevice Trust and PKIIoT Security StandardsStakeholder Alignment

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Security ArchitectureCloud SecurityIoT SystemsEndpoint Detection and ResponseVulnerability ManagementThreat ModelingSecure BootDisk EncryptionAPI ProtectionTelemetry Management

Soft Skills

Strong Communication SkillsMentoringStakeholder Engagement

Tools & Technologies

Web Application FirewallsAPI GatewaysMQTTHSMsSecure ElementsCloud PlatformsEdge Computing

Certifications & Qualifications

CISSPCCSP

Industry Keywords

Embedded SystemsEdge ComputingConnected RetailIndustrial IoTRobotics

Tech Stack

Tools & technologies

CloudCyber SecurityFirewallsIoTLinux

About the role

Key responsibilities & impact

Own security architecture and posture across device fleets, edge platforms, and supporting cloud, web, and identity services
Lead platform rationalization into a consistent target state
Partner with senior business, product, engineering, operations, and security stakeholders to align priorities
Translate business context into security requirements, security risk into business impact, and decisions into actionable engineering direction
Serve as security design authority for connected systems in Grainger’s architecture governance process
Shape hardware, platform, and vendor decisions early in the architecture lifecycle
Lead security architecture for cloud platforms, web applications, and APIs managing the fleet
Partner with domain architects on cloud IAM, web application firewalls, API protection, and secrets management
Lead threat modeling across devices, edge platforms, connectivity, cloud services, web applications, APIs, and field workflows
Define measurable security baselines for commercial and embedded field devices, including hardening, secure boot, disk encryption, and endpoint detection and response
Establish secure delivery patterns for edge software and AI models, including signing, provenance, staged rollout, rollback, and software/model bills of materials
Secure edge AI models and inference while balancing security, privacy, latency, cost, and customer experience
Create device trust architectures covering unique identities, secure onboarding, PKI, certificate lifecycle, secrets protection, mutual authentication, and least-privilege device messaging
Design identity and access patterns for devices, services, technicians, administrators, vendors, and customers
Architect secure connectivity across cellular, satellite, Wi-Fi, and wired deployments, including carrier strategy, failover, and isolation from customer networks
Shape endpoint and fleet telemetry, vulnerability management, compromised-device containment, and recovery with engineering and security operations teams
Communicate security posture to leadership through metrics and KPIs
Mentor peers and junior architects through design reviews
Report to the Director of Cybersecurity Architecture

Requirements

What you’ll need

Deep security architecture expertise in large-scale IoT, embedded, or edge systems, plus broad enterprise architecture experience
10+ years in information security or related engineering
8+ years in security architecture across multiple domains
At least 4 years focused on IoT, embedded, or edge systems
Preferred: experience in connected retail, industrial IoT, robotics, or comparable edge devices
Preferred: certifications such as CISSP, CCSP, or relevant cloud, Linux, or industrial cybersecurity credentials
Proven ability to align senior stakeholders behind multi-year direction and rationalize overlapping or acquired technology portfolios through capability mapping and migration strategy
Strong experience with cloud-connected IoT and network architectures, including edge runtimes, MQTT, messaging authorization, segmentation from customer environments, and cellular, satellite, Wi-Fi, and wired connectivity
Solid cloud, application, and identity architecture experience, including cloud IAM, web application firewalls, API gateways, secrets management, federation, MFA, and privileged access management
Expert understanding of device trust and device-scale PKI, including hardware roots of trust (TPM, secure elements, HSMs), secure and measured boot, attestation, certificate rotation and revocation, and failure modes
Experience hardening commercial and embedded operating systems to IoT security standards, including endpoint detection and response, vulnerability management, and secure OTA updates with signing and rollback protection
Experience defining fleet security telemetry, containment, and recovery patterns, and turning incident findings into architecture improvements
Working knowledge of edge computer vision security, including model protection, adversarial inputs, MLOps across edge and cloud, and privacy obligations for camera and sensor data
Strong communication skills, including translating technical concepts for executives and defending architectural positions with evidence

Benefits

Comp & perks

Medical, dental, vision, and life insurance plans with coverage starting on day one
6 free sessions each year with a licensed therapist
18 paid time off (PTO) days annually for full-time employees
6 company holidays per year
6% company contribution to a 401(k) Retirement Savings Plan each pay period, no employee contribution required
Employee discounts
Tuition reimbursement
Student loan refinancing
Free access to financial counseling, education, and tools
Maternity support programs
Nursing benefits
Up to 14 weeks paid leave for birth parents
Up to 4 weeks paid leave for non-birth parents
Incentive target of up to 20% based on individual and company performance objectives