Sr. IT Infrastructure Engineer

The Sr. IT Infrastructure Engineer is responsible for designing, implementing, and optimizing secure, scalable AWS and hybrid cloud architectures while leading end-to-end solution delivery. The role ensures compliance with Saudi cybersecurity standards, supports complex system integrations, and provides advanced troubleshooting across enterprise environments. It maintains ITIL-aligned operations with structured documentation, runbooks, disaster recovery, and business continuity planning. Key Responsibilities : - Design scalable, secure, and highly available AWS architectures. - Produce HLD/LLD documentation and architecture diagrams aligned with best practices. - Lead AWS implementations across compute, storage, networking, security, and database services. - Optimize cloud environments for cost efficiency, reliability, and performance. - Architect hybrid cloud environments integrating AWS with on-prem infrastructure. - Implement secure connectivity solutions including VPN, Direct Connect, and IPSec. - Support enterprise system and third-party integrations. - Architect integrations between legacy systems and modern cloud platforms. - Ensure compliance with Saudi cybersecurity regulations (NCA ECC, SAMA, ISO 27001). - Design secure architectures using IAM, network segmentation, encryption, and monitoring controls. - Support audits, vulnerability management, and risk assessments. - Maintain alignment with cybersecurity governance and regulatory requirements. - Provide L3/L4 advanced troubleshooting and performance optimization. - Support production environments under ITIL processes (Incident, Change, Release). - Ensure service continuity through structured DR and BCP documentation. - Maintain architecture documents, SOPs, runbooks, and operational procedures. - Lead end-to-end solution lifecycle from requirements gathering to deployment and optimization. - Participate in RFP evaluations, technical reviews, and solution validation. - Provide architectural oversight for complex projects and infrastructure upgrades. Requirements: - Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field (equivalent experience may be considered). - AWS Certified Solutions Architect – Professional (Mandatory). - Kubernetes certifications (CKA / CKAD) preferred. - Minimum 4+ years of hands-on experience in cloud architecture and enterprise IT environments. - Proven experience designing, implementing, and troubleshooting production-grade cloud solutions. - Experience in Saudi regulatory and compliance environments is highly advantageous. - Strong expertise in AWS core services (EC2, S3, RDS, VPC, IAM, EKS, etc.). - Experience designing hybrid cloud environments. - Deep understanding of networking, firewalls, routing, VPN, and secure connectivity. - Strong knowledge of ITIL-based operational frameworks. - Experience with disaster recovery (DR) and business continuity planning (BCP). - Advanced troubleshooting capability in complex distributed systems. - Strong analytical and problem-solving mindset. - Ability to work in high-availability production environments. - Excellent documentation discipline. - Strong communication and cross-functional coordination skills.