System Engineer (Windows Server, Linux)

WeCloud is looking for an experienced and passionate Senior System Security to lead customer engagements, drive solution design, and deliver high-impact security implementations.The ideal candidate has a solid background in IT Security, good English communication skills, and a proven ability to present, design, and implement customized security solutions using industry- leading platforms. You will lead the full lifecycle from technical presales to hands-on deployment and optimization.Key Responsibilities:1. Solution Consulting & DesignDeploy server systems, storage systems, data backup systems.Analyze client requirements and assess current system stateDesign integrated system architecture with a security focusPrepare technical documentation: Solution Design, HLD/LLD, Security ArchitecturePresent solutions to clients and stakeholdersSelect suitable products/technologies based on budget and requirements2. System Implementation & IntegrationImplement system infrastructure (server, storage, virtualization, cloud)Integrate security components: Firewall, SIEM, IAM, PAM, EDRPerform system hardening per NIST, CIS standardsConfigure and optimize system performanceCoordinate with application, network, and database teams3. Security & ComplianceImplement Security Controls per framework (ISO 27001, PCI-DSS, GDPR)Perform vulnerability assessment and remediationEstablish security policies: Access Control, Data Protection, Incident ResponseIntegrate monitoring systems and Security Event Management (SIEM)Support audits and system certification4. Handover & SupportCreate handover documentation: Runbook, SOP, Knowledge BaseTrain clients' operations teamsSupport transition from project to operationsMaintain and optimize systems post-implementationConsult on improvements and system upgrades5. Technical Project ManagementPlan implementation schedulesManage technical and security risksMonitor progress and work qualityReports project status to management and clients6. Solution Presentation and Demo:Prepare technical documents includings sales kit, solution documentation, function comparation, reference architecture, demo script, etc (slides, solution brief) andpresent solutions to customers at many levels (from IT Engineer to Chief Technology Officer - CTO/CISO).Conduct live demos of product features to demonstrate value and problem solving.7. Pilot Implementation:Plan, install, and provide technical support for the pilot implementation process (Proof of Concept / Proof of Value) at the customer's system.Optimize configuration to ensure PoC success and address customer use cases.8. Technical Support for Bidding Documents:Play a key role in responding to complex technical compliance requirements in RFP, RFI documents.Ensure proposed solutions comply 100% with the requirements of the tender documents.9. Research & Update:Stay informed about cyber attack trends, new security technologies, and competitor solutions.Train and update product knowledge and skills for sales team (if needed).10. Reporting and other tasksReport to line manager/supervisor as requiredWork with other teams to complete the assignments.Perform other tasks as assigned by Direct line manager/supervisor