Senior Presales Engineer - Networking & Security

About this role

The Senior Presales Engineer – Networking & Security is responsible for designing, positioning, and supporting enterprise networking and security solutions for customers across the region. The role acts as a trusted technical advisor throughout the sales lifecycle, supporting opportunity qualification, solution design, technical presentations, and customer engagement activities.
Working closely with sales, security, and delivery teams, the engineer develops scalable, secure, and high-performance infrastructure solutions aligned with customer business and technical requirements. The role also contributes to strategic solution positioning, technical leadership, and the continuous enhancement of ZainTECH’s networking and security capabilities.
Responsibilities:
Solutions Architecture & Presales Support
Design enterprise networking and security solutions aligned with customer requirements and business objectives
Develop:
High-Level Designs (HLD)
Low-Level Designs (LLD)
Technical proposals
Bill of Quantities (BOQs)
RFP/RFI responses
Design architectures covering:
LAN/WAN infrastructure
Enterprise wireless solutions
SD-WAN
Network security integrations
Support strategic opportunities and complex solution positioning activities
Technical Advisory & Solution Positioning
Act as a Subject Matter Expert (SME) in networking and security technologies
Conduct customer workshops, technical presentations, demonstrations, and architecture discussions
Lead Proof of Concepts (PoCs), technical validations, and solution assessments
Perform competitive positioning and vendor comparison activities
Stay updated on emerging technologies, vendor roadmaps, and industry trends
Customer Engagement & Relationship Management
Engage with enterprise and government customers to understand business and technical requirements
Translate customer challenges into scalable and secure technical solutions
Support account teams in developing long-term customer relationships
Contribute to account planning and solution strategy initiatives
Cross-Functional Collaboration
Collaborate closely with Sales, Security, and Delivery teams to ensure successful solution alignment and execution
Support onboarding and technical handover activities to delivery and implementation teams
Participate in customer success and post-sales support initiatives where required
Governance, Security & Best Practices
Ensure proposed solutions align with customer standards, security requirements, and industry best practices
Recommend improvements to network availability, scalability, and security posture
Support the implementation of secure networking and segmentation practices
Maintain accurate technical documentation and solution records
Technical Leadership & Knowledge Sharing
Mentor junior and mid-level engineers across networking and security technologies
Lead internal technical knowledge-sharing and enablement sessions
Support technical capability development and certification initiatives within the team
Project & Procurement Support
Support project planning, technical reviews, and implementation readiness activities
Assist procurement and commercial teams with product selection and technical validation
Ensure proposed solutions are scalable, compatible, and aligned with customer environments

Our Culture & Code of Conduct:
At ZainTECH, we take pride in a culture built on collaboration, innovation, and uncompromising integrity. We are looking for individuals who share these values and are committed to customer-centricity and ethical excellence. All employees are expected to uphold our Code of Conduct, which serves as a guiding framework for responsible behavior across everything we do — from how we work with each other to how we engage with clients and partners globally.
Requirements
Bachelor’s degree in Computer Engineering, Network Engineering, Information Technology, or a related field
6–10 years of experience in networking, presales, or system integration environments
Strong expertise in:
Routing & Switching
Enterprise Wireless
SD-WAN
Network infrastructure design
Network security solutions
Hands-on experience with:
Cisco networking technologies
Fortinet security solutions
Strong understanding of enterprise and hybrid network architectures
Experience designing secure, scalable, and high-availability networking environments
Experience supporting enterprise or government sector projects is preferred
Strong customer-facing and solution positioning experience
Certifications; Cisco (CCNA / CCNP), Fortinet (NSE 4 or equivalent)