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 infrastructure and critical business impacting issues Documentation and network diagram creation and updates Change control approval Reviewing changes written by other engineers Writing changes for complex tasks to be executed by other engineers Changes follow established processes and/or industry best practices Problem identification, reason for outage and root cause analysis documentation for all issues depending on situation and outcome Identify systemic and pervasive issues related to products and/or processes and drive actions to prevent future problems Participate in 2nd Level' on-call rotation 2nd level on call consists of issues already reviewed by a 1st level on-call engineer and determined to be outside of their ability to resolve Strategic and Account Management Collaborate and partner with Account Management Team on Technology Business Reviews, strategic technology road-mapping, quarterly business reviews, and architecture improvements Speak both to a wide array of technologies in-depth as well as to C-level executives Reviewing project scopes for existing customers Technical validation of project plan Understand business-case and ensure project plan meets the needs of the client Participate in technical account management and other client calls as needed Education and Experience Ability to work in a fast paced, challenging environment with a diverse client base Strong analytical and end to end problem identification, management, and resolution skills Bachelor's Degree in Information Technology or related discipline preferred or equivalent combination of education and relevant work experience 7+ years of technical support experience with increasing responsibilities; managed services (MSP) experience preferred Written and verbal communication skills; including the ability to clearly articulate technical issues to both technical and non-technical audiences and explain impact in business terms. Proficiency in the following technical disciplines with a mastery of at least two: VMware Systems Administration Windows Server Systems Administration Exchange Administration (On-Premise, Hybrid, Office 365) Office 365 Administration Azure administration Mobile Device Administration/Management Remote Computing (Microsoft RDS, Citrix) LAN/WAN Administration (FortiGate/SonicWALL/Cisco/Meraki) Wireless Administration (Meraki, Cisco) Server Infrastructure Administration SAN/NAS Administration