Hamza Ahmad Nisar

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Digital Solutions Architect (OT Cybersecurity Consultant)

INTECH Automation & Intelligence

Feb 2025 - Current (1 year 10 months)

As a Digital Solutions Architect (OT Cybersecurity Consultant), I delivered secure ICS, SCADA, and OT network solutions for global clients including Aramco, SEC, ADNOC, Qatar Energy, KPMG, Siemens Energy, and Aker Solutions, ensuring compliance with IEC 62443 and NIST SP 800-82 standards. I designed cybersecurity architectures focusing on network segmentation, access management, and real-time threat detection to enhance operational reliability and mitigate cyber risks in critical infrastructure. Additionally, I conducted risk assessments and incident response planning, reducing potential vulnerabilities and supporting resilient industrial environments. My experience also included managing opportunities and sales data using CRM tools like Ap

Solution Centre Engineer

ACET Solutions

Jul 2024 - Jan 2025 (7 months)

As a Solution Centre Engineer, I analyzed RFQs to design cost-optimized cybersecurity solutions for PLC/DCS-based control systems and SCADA, ensuring alignment with client requirements and CSIA standards. I estimated engineering, construction, and testing efforts, developed comprehensive project execution plans, and provided pre-sales support through proposal coordination and vendor price negotiations. My commitment to quality assurance and corporate compliance ensured that all solutions met rigorous standards, contributing to successful project bids and enhanced sales outcomes. Additionally, I gained foundational knowledge in B2B sales and corporate sales processes, which enriched my understanding of the bidding process and client needs, u

Network and Systems Specialist

MCG Technologies

Dec 2023 - Jun 2024 (7 months)

As a Network and Systems Specialist, I provided L-3 technical support for business communication solutions, hosted VoIP services, and network operations, utilizing ConnectWise Manage for ticketing and client interactions. I monitored network performance with Zabbix and Oracle Communication Operations Monitor, managed VLAN configurations, and resolved outages to minimize downtime. Additionally, I developed network and call flow diagrams using Draw.IO and implemented call forwarding, hoteling features, and Zero Touch Provisioning (ZTP) for efficient device deployment. I liaised with ISPs (TWA, PTCL) to address latency issues and ensured seamless call centr

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Automation and ICT Systems Engineer

Lean Automation

Jan 2022 - Nov 2023 (1 year 11 months)

As an Automation and ICT Systems Engineer, I deployed virtualization environments using Oracle VirtualBox, VMware, and Microsoft Hyper-V, while managing patch updates in legacy operating systems via Windows Server Update Service. I designed and implemented air-gapped systems, Windows Server variants (post-2008), and networking infrastructure utilizing Cisco and FortiGate devices. My responsibilities included administering Cisco/Fortinet networks, encompassing HA clusters, firewalls, web application firewalls (WAF), and wireless setups; conducting network monitoring, backups, and disaster recovery planning. Additionally, I provided global network support, equipment troubleshooting, end-user training, and collaborated with vendors to maintain

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Trainee Automation Engineer

Lean Automation

Nov 2021 - Dec 2021 (2 months)

As a Trainee Automation Engineer, I designed and imported HMI interfaces in Ignition by Inductive Automation and FactoryTalk by Rockwell Automation. I automated systems using Allen-Bradley Studio 5000, Siemens, and Yokogawa platforms, implementing alarms, events, and PID controllers. Additionally, I worked on basic safety instrumented systems and communication protocols to support industrial automation projects. My experience also included engaging with vendors and customers, which enhanced my communication skills and provided insights into improving business opportunities and sales, ultimately contributing to a more comprehensive understanding of the automation landscape.

Freelance Content Writer and Tech Support

Fiverr

Apr 2015 - Current (11 years 8 months)

As a Freelance Content Writer and Tech Support, I specialize in SEO-optimized blog writing and article creation, ensuring that content is not only engaging but also ranks well in search engines. My research proficiency allows me to deep dive into product specifications, user reviews, forums, and documentation, providing well-informed content. I excel in scriptwriting for videos and tutorials, adopting an engaging, personality-driven tone that resonates with audiences. My editing and proofreading skills, honed through tools like Grammarly, Hemingway, and MS Word, ensure high-quality deliverables across various formats, including how-to guides, reviews, FAQs, knowledge base articles, and email templates.

In addition to my writing e

Hamza Ahmad Nisar

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Hamza Ahmad Nisar

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