I lead identity engineering for one of the world’s largest retailers: 425,000 employees, over 100 million customers, and every machine, workload and AI agent in between.
I build the teams and systems that decide who, and what, gets in: workforce, customer, vendor, workload, and now the AI agents acting on their behalf. Show me a difficult problem and I’ll show you the art of the possible.
· linkedin.com/in/aaron-rapport · Cincinnati, OH · Open to remote or relocation
I lead identity engineering for one of the world's largest retailers across workforce IAM, customer identity, vendor identity and identity governance, with a multimillion-dollar capital and operating budget and a team of roughly 40. I co-founded a pre-seed authentication startup and a security non-profit that runs a 600-attendee conference. My current focus is non-human and agentic identity: how workloads and AI agents prove who they are and what they are allowed to do.
CISSP, ISC2·InfraGard·Cincinnati ISSA·2026 Queen City Con organizer·FMI Future Leader 2023·VMware Explore 2022 speaker
// impact
Selected impact
Moved thousands of business-critical apps onto modern authentication in a little over two years.
I directed a 100+ person, multi-team program that brought custom and off-the-shelf applications across 20+ brands onto modern, safe and secure standards-based auth (SAML, OIDC, SCIM), on time and without unscheduled business outages. The work spanned standard migrations, custom shims and full secure code rewrites, delivered by a global team on a follow-the-sun support model.
SAML
OIDC
SCIM
Program leadership
Upgraded and replaced the identity platforms behind 425,000 workers, 100,000+ vendor users, and 140 million customers.
I led and contributed to the architecture that consolidated multiple legacy identity providers into two cloud-native platforms, inside union agreements and strict compliance rules. We then replaced an aging, risky vendor authentication solution serving over 100,000 users with complex regulatory MFA requirements. Now I’m leading the ground-up rebuild of the consumer platform with passkeys, built-in fraud and bot defense, and industry-leading, standards-compliant design.
Workforce IAM
CIAM
Passkeys
Architecture
Put 100,000+ managed devices in frontline hands in months, during COVID.
I engineered enterprise-wide delivery, directed the mobile platform’s security architecture and rollout, and led a SCEP certificate proxy that turned multiple 35-second per-app logins into one device login for 400,000 associates.
Mobility
Zero trust
SCEP
Crisis delivery
Own how machines and AI agents prove who they are.
I run non-human and agentic identity across the customer and workforce estates: workload identity (SPIFFE/SPIRE), token exchange, MCP authorization, and the guardrails and training that let teams use agentic AI without handing it the keys. My architecture and our team made a safe, one-click process possible for managing agentic identities from creation to retirement.
Non-human identity
Agentic AI
SPIFFE/SPIRE
MCP
In their words
“I first met Aaron when I had just started as an intern. It’s been eight years now and my life has changed drastically: I graduated, I’m now a senior engineer on his former team, I got married, and I’m growing my career in ways I could not have imagined. I could not have done this without his guidance and support. He is always there for me, and offers this level of support to all of his teams. He brings a depth of knowledge, compassion and rigor to his job that would be an asset to any team.”
Keni, Senior engineer, formerly an intern on Aaron’s team, 2026
“Aaron exemplifies what it means to be a leader at every level. He is always quick to lighten the mood, but when something needs to be done he’s in the trenches with his team, ensuring they have the support they need and never forgetting to put the customer first.”
Jeff, Colleague, 2023
“There doesn’t seem to be a project too big or too complex which he can’t excel at. His growth as a technical expert and people leader is something worth watching.”
Senior technical colleague, 2022
// speaking
Talks and community
The future of identity in the enterprise: decentralized digital identity
Queen City Con · 2024
Fostering Internet Security
Beech Acres Parenting Center · 2024
Modern mobile authentication and zero trust at large installation scale
VMware Explore · 2022
Android application penetration testing using MobSF and other tools
CINPA Security SIG · 2019
I co-founded Cannon Fodder Security, the 501(c)(3) behind Queen City Con, Cincinnati's security conference. Each year it hosts over a dozen hands-on, self-hosted labs, 50+ talks and 10 breakout communities for 600+ attendees. I sit on the board, wear many hats, and currently serve as VP of Treasury.
// experience
Where I've worked
The Kroger Co.
Cincinnati, OH · October 2018 to present
Senior Advanced IT Security Engineering ManagerNow
September 2022 to present
I lead identity engineering for one of the world’s largest retailers: workforce IAM (425,000+ associates and 25,000+ contingent workers), customer identity (140M+ registered users, 20M+ monthly active), external vendor identity (125,000 identities) and identity governance, on a multimillion-dollar capital and operating budget.
•I lead a team of roughly 40 spanning workforce IAM, customer identity, vendor identity, directory services, PAM and identity governance: full-time engineers plus global contractors and flex specialists, with a manager, a domain lead and three tech leads reporting to me. I grew the function from a team of 7, hiring 15 engineers and 100+ contractors.
•I directed a 100+ person, multi-team program that modernized thousands of business-critical and custom applications to standards-based authentication in two years.
•I architected the consolidation of multiple legacy identity providers into two modern, cloud-native platforms across 20+ enterprise brands, working inside union agreements and strict workforce-compliance requirements.
•I’m leading the ground-up rebuild of the consumer identity platform, with built-in fraud and bot defense and passkey/WebAuthn support the legacy platform could not offer.
•I own non-human and agentic identity across the consumer and workforce estates, and built the guardrails and training that let teams adopt agentic AI safely, including a one-click process that manages agent identities from creation to retirement.
•I’m accountable for regulatory and audit governance across the identity estate (PCI DSS, HITRUST, SOC 2), lead identity major-incident response, and serve on accelerator tiger teams reporting to C-suite executives.
•I significantly raised platform availability and tightened major-incident response, cutting time-to-engagement on incidents by more than 80%.
•I redesigned the workforce authentication experience, sharply reducing daily login friction for 425,000+ associates and reclaiming significant labor productivity.
•I rebuilt a waterfall IAM organization into an agile practice with intake, review and feedback loops and a one-sprint SLA, and carved directory services, PAM and secrets management into dedicated teams.
•I delivered enterprise MFA for associates and vendors that meets state privacy law, PCI, union agreements and no-personal-device constraints, and introduced SCIM provisioning, custom OIDC token brokers and FIDO2/passwordless for the workforce.
I was the principal technical authority for mobility security and the associate mobility platform.
•I directed the architecture and rollout of 100,000+ managed mobile devices in a 12-month window to keep the business running through the COVID-19 pandemic: a zero-to-one platform on a hard deadline.
•I directed the development and Tier-1 vendor partnership behind a SCEP certificate proxy that replaced per-app logins (35+ seconds per app per session on shared devices) with a single device login for 400,000+ associates, with ring deployments across 50+ app platforms.
•I designed and oversaw a replacement for the vendor’s Workspace ONE launcher: a custom associate-first platform with zero-trust controls and low-friction login, from idea to production.
•I delivered custom solutions for Ocado-based grocery fulfillment covering in-facility and on-the-road operations, built product-first with rapid iteration.
•I owned enterprise penetration testing, hardware lifecycle evaluation and major incident response for mobility.
Android
iOS
MDM / UEM
SCEP
Cert Proxy
Zero Trust
Kotlin
Java
Workspace ONE
Product leadership
Senior Infrastructure Engineer
October 2018 to October 2019
I rescued a critically delayed, over-budget Windows 10 migration.
•I restructured the deployment methodology for a migration spanning 2,400+ physical locations and landed the program on time.
•I drove automation frameworks that ran daily across 75,000+ endpoints, improving stability, security posture and user experience at fleet scale.
Windows
PowerShell
.NET
Automation
Large-scale rollout
Security
Stealth authentication startup
2026 to present
Co-Founder
Pre-seed, venture-track company building authentication technology for frontline and deskless workforces, alongside four other founders and an international consultant.
•I own product architecture and the technical roadmap: credential model, lifecycle and supersession logic, hardware tiering, and authentication assurance levels aligned to NIST SP 800-63B.
•I drive intellectual-property strategy, from conception and disclosure history to invention assignment and patent positioning.
•I established the corporate and legal structure: a Delaware C-corporation with an international subsidiary, founders’ agreements and fundraising risk governance.
Founder
Authentication
NIST SP 800-63B
Product architecture
IP strategy
CBTS
Cincinnati, OH · April 2018 to October 2018
Enterprise Infrastructure Systems Automation Engineer II
Contract engagement at The Kroger Co.
•I partnered with executive leadership and enterprise engineering to architect and stabilize a large-scale operating system migration, recovering timeline confidence on a program at risk.
•After seven months, Kroger leadership hired me full time.
Systems engineering
Infrastructure
Automation
Windows
Mac
Dealer Tire, LLC
Cleveland, OH · August 2015 to March 2018
IT Customer Support Specialist
•I ran level 1 through level 3 support across a mixed-OS environment in a lean organization, and the project work alongside it is where I built my engineering foundation.
•I helped deploy and standardize SIEM and anti-malware tooling with always-on proxy controls that persisted off the corporate network, reducing endpoint risk and creating security reporting the company did not have.
•I assisted the AirWatch (now Workspace ONE) rollout that replaced the BlackBerry fleet company-wide.
•I authored incident response protocols and standard operating procedures used for threat mitigation.
Endpoint security
SIEM
Anti-malware
Incident response
AirWatch
Customer support
Grafix
Maple Heights, OH · 2012 to 2015
IT Business Systems Support Specialist
•I directed end-to-end modernization of company IT across servers, networks, CRM and ERP for a 30-person business, acting as the entire technology function.
I co-founded and bootstrapped a 501(c)(3) from concept to operating organization: a regional cybersecurity institution dedicated to developing the next generation of security talent.
•As one of three co-founders, I helped build it from an idea: bringing the founders together, filing the non-profit incorporation and leading the grassroots effort to get off the ground.
•I direct strategy, logistics and execution for Queen City Con, which grew from a handful of virtual volunteers during COVID to 300 attendees at the first in-person event in 2023 and 600+ in 2025.
•I help host its Wellness Village, which encourages work-life balance and building the skills to stay healthy at work.
•I hold fiduciary responsibility for the organization’s finances, sponsorship revenue and nonprofit compliance as VP of Treasury on the board of directors.
•I’ve spoken at Queen City Con across multiple years, most recently on the future of identity in the enterprise and decentralized digital identity.
501(c)(3)
Non-profit
Board
Treasury
Conference
Community
Also: System Admin Advisor, Shaarey Tikvah (2020) · Youth Advisor, BBYO (2013 to 2018)
Independent work
Non-human identity authentication: training guide and competitive gap analysis
A training guide and market gap analysis on agentic non-human identity authentication: workload identity issuance and attestation, SPIFFE-semantics scale-down gaps, and Shared Signals Framework receiver tooling as open-source wedge opportunities.
Autonomous ops agent security sandbox
Egress denial enforced at three independent layers, an explicit execution gate for privileged operations, a hard denylist for irreversible actions, and full session transcript capture committed to version control: delegated, action-scoped, time-bound agent authorization with full attribution and no shared credentials.
// projects
Projects and research
Work outside the day job, mostly on how machines and agents authenticate. Write-ups land here as they're ready to share.
Non-human identity authentication: training guide and gap analysis
shipped
A training guide and market gap analysis on agentic non-human identity: workload identity issuance and attestation, where SPIFFE semantics break down at smaller scale, and Shared Signals Framework receiver tooling as an open-source wedge.
NHI
SPIFFE
Shared Signals Framework
Agentic identity
Heterogeneous compute fleet
in progress
A twelve-node compute fleet with nine enforced network segments, a single routing and policy enforcement point, and architecture decision records with provenance tagging.
Network segmentation
ADRs
Infrastructure
Admission control service (Rust)
in progress
Atomic fit-check-and-reserve against live device telemetry, so a workload is never admitted against capacity that is not there. The admission core of a GPU-agnostic router for LLM workloads across iGPU, Intel, AMD and NVIDIA. Specified, architected and reviewed by me; built by directing agentic coding workers.
Rust
Admission control
Agentic development
Autonomous ops agent security sandbox
shipped
Egress denial enforced at three independent layers, an explicit execution gate for privileged operations, a hard denylist for irreversible actions, and full session transcripts committed to version control. Delegated, action-scoped, time-bound agent authorization with full attribution and no shared credentials.
Agent authorization
Egress control
Auditability
// skills
What I work with
Identity & access
IAM · IGA · PAM · SSO (SAML, OIDC, OAuth) · FIDO2 / passkeys · SCIM · Active Directory · Entra ID · Okta · Ping · SailPoint · Akeyless · Digital identity · Decentralized identity (DID)
Team building and hiring · Mentorship · Crisis management · Large distributed teams · Budget and capital planning · Vendor management and negotiation · Follow-the-sun operations · Restructuring and modernization · Strategy · Product-led agile · Mergers, acquisitions and divestitures
Architecture & delivery
Large, scalable solutions · Zero trust · MDM/UEM · Agile · Product-first delivery · Oversight and standards · Compliance (SOX, HITRUST, HIPAA, PCI DSS) · Risk reduction · Spec-driven design · Business and customer focus · Program leadership