Senior Systems Administrator Permanent. 5 days on site in central London. The client is a rapidly growing technology solutions provider focusing upon Cloud, Cyber Security, Networking, Disaster Recovery and Managed Services. They are seeking a driven, detailed-oriented Senior Systems Administrator to join the rapidly growing team. As a Managed IT Services Provider, they consult with a diverse set of clients. Your dedicated client portfolio could potentially consist of a mix of high-pressure financial firms, medical practices, trendy hospitality providers, and manufacturing companies. Due to the various industries of the clients, your task list will shift greatly. A typical day can involve anything from working on network connectivity issues, server room buildouts, Exchange migrations, merger and acquisitions project team participation, handling of VIP and Severity 1 technical support issues. The position also requires you to be a team player that can mentor other engineers. Responsibilities Service Delivery (Operations) Technical ownership of assigned clients Active participant in determining the efficacy and efficiency of existing client infrastructure, systems, software, and processes Make recommendations for the completion of projects to meet client needs as well as improve identified deficiencies Ownership and resolution of escalated client technical issues Includes working with client and their vendors until resolution is reached Escalations focus on ..... full job details .....