Walied Mahmoud Shahen

Results-driven Pre-Sales Engineer with 20+ years of proven expertise designing, implementing, and managing enterprise-grade physical security solutions across the MENA region. Specializes in CCTV, VMS platforms, access control, intrusion detection, and integrated security ecosystems. Successfully delivered 1,500+ enterprise projects — including government, healthcare, aviation, hospitality, and automotive sectors — with an 85%+ competitive bid win rate.

Expert in translating complex client requirements into scalable technical architectures and delivering compelling presentations to C-level executives and government procurement boards.

Senior Pre-Sales Engineer — Security Systems - Astorat El Tanmia Tech - Saudi Arabia

(2018-01 - 2023-12)

• Led end-to-end pre-sales engineering for enterprise security projects across Saudi Arabia, covering CCTV, access control, intrusion detection, fire alarms, PABX, and network infrastructure.
• Designed comprehensive system architectures based on client site surveys and needs analysis; produced BOQs, Bills of Materials, and detailed cost estimates.
• Managed RFP/tender responses achieving an 85%+ win rate on competitive bids through technically superior and commercially optimized proposals.
• Delivered technical training programs to multicultural sales teams, channel partners, and end-users.
• Provided ongoing post-sales technical support, building long-term key account relationships and ensuring repeat business.

Pre-Sales Engineer — Security Systems - Eagle Tech Technology - Saudi Arabia

(2012-01 - 2017-12)

• Architected network infrastructure solutions for live video streaming and secure data transfer across multi-site, distributed enterprise environments.
• Configured enterprise-grade routers, switches, and access points; installed and optimized Honeywell VIDEOBLOX Video Matrix systems with multi-monitor video walls.
• Implemented VMS platforms including Milestone XProtect and Genetec Omnicast for centralized command-and-control monitoring.
• Conducted technical presentations and demonstrations to C-level executives and procurement decision-makers.

Communications & Network Engineer — CCTV Projects - Various Contractors (Large-Scale Projects) - Saudi Arabia

(2008-01 - 2011-12)

• Delivered 1,500+ physical security projects across government, healthcare, hospitality, aviation, and automotive sectors — managing the complete lifecycle from consultation through commissioning.
• Installed, configured, and maintained 150+ site encoders/decoders for analogue camera systems with RS-422 control protocols.
• Deployed comprehensive security ecosystems including fire alarms, intrusion detection, and perimeter security systems.
• Conducted site surveys, budgeting analysis, and proposal development for ministry-level and critical infrastructure accounts.

Network Administrator - Abdullah Bunyan Group — Al-Shaqiq Desalination Project - Saudi Arabia

(2008-01 - 2011-12)

• Administered network infrastructure for a large-scale industrial desalination facility; maintained uptime for mission-critical communication and monitoring systems.

Sales & Network Specialist - Help Computer & Network Company - Cairo, Egypt

(2001-01 - 2007-12)

• Handled help desk operations, IT sales, and network administration for corporate clients across Egypt.
• Developed foundational expertise in networking, hardware, and client-facing technical consulting.

Bachelor of Commerce - Commerce - Tanta University — Faculty of Commerce (2000-06)