Ohad Petrushka

About Me

"I'm passionate about 2 things:
1) Fixing broken processes
2) Breaking down complex processes into implementable technologies"

A results-driven and strategic technical leader with over a decade of experience in identity and access management, security architecture, and enterprise-scale system optimization. I have a proven ability to lead high-performing teams, implement scalable workflows, and drive change. I am passionate about applying automation, AI-enhanced analysis, and structured data insights to reduce operational overhead and improve time-to-impact. I actively leverage modern AI tools to enhance research efficiency, optimize development workflows, and accelerate technical analysis while maintaining the highest quality standards. I have a strong background in requirements analysis and attention to detail while maintaining a clear vision of the big picture.

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Notable Achievements

Revenue Growth

$1.5M → $4.5M

Tripled e-commerce revenue through strategic Shopify migration and optimization

Cost Optimization

$1.2M

Annual savings through cloud consolidation and architecture audits

Automation Success

95%

Automated provisioning reducing onboarding time to 2-4 hours

Team Leadership

15+

Managed teams including 7 FTE + 8 contractors across multiple projects

Academic Excellence

3.95 GPA

MS Management Information Systems, UCF College of Business

Scale Impact

300+

Supported company growth from 120 to 300+ employees

Modern Technology Leadership

As an enterprise architect, I believe in leveraging cutting-edge tools to enhance productivity, accelerate decision-making, and deliver superior outcomes. My approach combines decades of technical expertise with modern AI-powered methodologies.

Strategic Research & Analysis

ChatGPT Plus: Market research, competitive analysis, technology evaluation, and strategic planning acceleration. Reduces research time by 60% while maintaining analytical depth.

Code Quality & Architecture

Claude AI & Cursor: Code review, architectural analysis, best practices validation, and technical documentation. Ensures enterprise-grade quality standards and optimal implementation patterns.

Workflow Automation

Gemini CLI & Aider: Google Workspace automation, email optimization, productivity enhancement, and development workflow streamlining. Enables focus on strategic initiatives.

"AI tools don't replace expertise—they amplify it. By embracing these technologies, I can spend more time on strategic thinking, team leadership, and solving complex business challenges."

Career Progression Timeline

Web Designer

2005-2007 | Early Career

Started in creative design, building foundational skills in user experience and web technologies. This creative foundation proved invaluable for later technical architectural work.

IT Technician

2007-2010 | Technical Foundation

Transitioned to hands-on IT support, gaining deep understanding of infrastructure, troubleshooting, and end-user needs. Built technical expertise in Windows environments and networking.

Security Analyst

2010-2013 | Security Specialization

Specialized in information security, compliance, and risk assessment. Developed expertise in security frameworks and audit processes, setting stage for identity management focus.

Identity Architect

2013-2019 | IAM Leadership

Led enterprise identity management initiatives, managing teams of 7+ and integrating 200+ applications. Achieved 95% automation in user provisioning and 80% audit response improvement.

Enterprise Architect

2019-Present | Strategic Leadership

Leading strategic IT initiatives and enterprise architecture. Managing 15+ team members, driving $1.2M cost savings, and supporting 300+ employee growth through scalable technology solutions.

What's Next?

2025+ | Open to New Opportunities

Seeking my next role where I can apply 10+ years of IAM and enterprise architecture expertise. Open to both technical specialist positions (IAM Engineer, IAM Specialist, Information Systems Specialist, Application Security Architect, IT Business Partner) and leadership roles (Architecture Manager, IT Director) depending on the right fit and organizational needs.

Let's Connect About Opportunities

Open to: Technical Roles • Team Leadership • Remote/Hybrid • Relocation

Experience

Enterprise Architecture Team Lead

February 2019 - December 2024 | Yehud, Israel

Vayyar Imaging LTD

Drove strategic IT and infrastructure initiatives as Lead Systems Architect, managing a hybrid team of 3 full-time employees and up to 8 contractors, while supporting company growth from 120 to 300+ employees and optimizing security, identity, and enterprise workflows through modern toolsets and AI-enhanced analysis.
Led multiple high-impact systems integrations including custom IAM (Azure), ERP (NetSuite), and HRIS (BambooHR), building secure automated workflows across cloud platforms and reducing manual overhead.
Managed development and design of Vayyar.com and Walabot.com e-commerce websites, overseeing full-stack development, user experience optimization, and integration with backend systems and payment processing.
Reduced cloud infrastructure costs by ~$1.2M through AI-assisted analysis, service consolidation, and improved visibility into account access patterns across AWS, Azure, GCP, and AliCloud.

Data and Identity Management Consultant

February 2018 - December 2018 | Tel Aviv, Israel (Remote)

MIPRO Consulting

Acted as a staff augmentation resource for Adventist Health System, contributing to multiple IAM projects.
Responsibilities included reporting platform upgrade (SSRS 2016), ETL changes, perform application/database system migration to a new platform (Windows 2016/SQL 2016) as well as backend design and oversight for custom C# WEB API for Identity Management provisioning/auditing.

Identity Management Architect

March 2013 - February 2018 | Altamonte Springs, FL

AdventHealth

Led a team of 7, overseeing task management, weekly meetings, budget planning, change control, job descriptions, consulting services, and project management.
Architected and maintained a centralized identity platform (NetIQ/eDirectory), integrating over 200 applications and 80% of enterprise users via automated provisioning.
Reduced audit response time by over 80% and improved IAM SLA metrics by developing and scripting IAM process automations.

Projects

BambooHR Implementation

Role: Technical Lead

Technologies: C#, Azure Serverless Functions, Webhooks, API, MS SQL, Stored Procedures, Power Automate

Designed and led the integration of BambooHR with external systems to automate HR processes. This involved mapping existing HR workflows, software selection, and creating robust integration points.

Impact: Reduced onboarding/offboarding time to mere minutes using AI-assisted process optimization and automated workflow design, preventing hiccups and ensuring seamless HR data flow with minimal human intervention. Improved data accuracy and ensured timely email and laptop provisioning, significantly boosting employee satisfaction. Streamlined offboarding processes to reduce compliance risks associated with inactive accounts.

NetIQ IAM Implementation

Role: Identity and Access Architect

Technologies: eDirectory, LDAP, Active Directory, Citrix, Cerner, C#, VB.NET, Web Forms, ASP.NET, JavaScript, Rhino

Led the design and implementation of a comprehensive Identity Management system for a large healthcare organization (100,000 users). This involved identifying security gaps, evaluating solutions, working with vendors on application APIs for provisioning/deprovisioning, and presenting to management. Responsibilities included project management, interface design, GUI development, data migration, and data warehousing for reporting and compliance.

Impact: Achieved incredibly fast access provisioning turnaround times (2-4 hours) and ensured 95% of users had necessary access upon hiring. Engineered a data warehouse that reduced audit report turnaround to an average of 6 hours by utilizing pre-aggregated data and custom logic, significantly improving efficiency and compliance.

Magento to Shopify Migration

Role: Lead Architect

Technologies: Shopify, C#, PHP, MS SQL, MySQL Aurora, Lambda Functions, Funnel.io, ETL, Grafana

Led the strategic migration from Magento to Shopify to reduce operational costs and streamline e-commerce operations. This involved developing a comprehensive project plan, designing a new frontend, creating a custom warehouse interface, and ensuring data security and marketing compliance. Managed complex aspects like sale events and evolving business requirements.

Impact: Successfully transitioned e-commerce operations, leading to significant cost savings and operational efficiency. Under my management, Shopify business operations grew from $1.5M to $4.5M, demonstrating a substantial increase in revenue and business growth.

Netsuite Implementation

Role: Integration Lead / E-commerce Lead

Technologies: Celigo, Custom ETL, Spreadsheets, Netsuite Reporting

Led the integration of e-commerce data into Netsuite to ensure accurate revenue reporting. This involved deep dives into e-commerce operations, complex refund structures, and influencing financial recognition policies (e.g., revenue recognition upon shipment, handling refunds across periods). Also addressed product alignment issues, virtual upsells (warranties), and appropriate tax expense recognition for EU VAT.

Impact: Ensured precise and timely financial reporting by aligning e-commerce data with Netsuite through AI-enhanced data analysis and process optimization. Influenced key financial decisions to accurately reflect operational realities and tax obligations. Managed user account administration within Netsuite, leveraging extensive platform knowledge and modern analytical tools.

About Me

Notable Achievements

Revenue Growth

Cost Optimization

Automation Success

Team Leadership

Academic Excellence

Scale Impact

Modern Technology Leadership

Strategic Research & Analysis

Code Quality & Architecture

Workflow Automation

Career Progression Timeline

Web Designer

IT Technician

Security Analyst

Identity Architect

Enterprise Architect

What's Next?

Experience

Enterprise Architecture Team Lead

Data and Identity Management Consultant

Identity Management Architect

Skills & Expertise

Identity & Access Management

Cloud Platforms

Programming & Scripting

Enterprise Applications

AI & Automation Tools

Leadership & Strategy

Projects

BambooHR Implementation

NetIQ IAM Implementation

Magento to Shopify Migration

Netsuite Implementation

Certifications & Education

Education

MS, Management Information Systems

BS, Information Technology

Certifications

Certified Information Security Auditor

CompTIA Security+

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