Senior System And Security Architecture

Job Responsibilities Manage and maintain network and system infrastructure to ensure high availability and performance Provide L2 and L3 support for business-critical systems Monitor system alerts and logs, and take appropriate corrective actions Ensure network security across LAN, WAN, and internet environments Support day-to-day operations of AWS cloud environments Collaborate with vendors and internal teams to deliver IT projects on time and within quality standards Manage vendor relationships, including service coordination, contract discussions, and performance tracking Assist to prepare and manage Capex and Opex of ITSM systems Maintain system documentation, asset inventory, and operational records Provide guidance and mentorship to junior team members Support Microsoft 365 administration, including email, SharePoint, and security Requirements Minimum 8 years of working experience in IT security , network engineering or system architecture 2-3 years of project managment skills Strong team leadership skills Strong technical expertise in cloud patforms (AWS, Azure), network protocols, security tools (firewalls, EDR), and operating system Relevant certifications such as CISSP, CCSP, or cloud certification (eg AWS & Azure Cloud Architect) are highly preferred Strong analytical, troubleshooting, and problem-solving skills Good communication and interpersonal skills, with the ability to work effectively with cross functional teams and vendors Ability to work in a fast-paced environment and manage multiple priorities effectively