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Office 365 Systems Administrator (SysAdmin)

ISAAC create Digital Workplaces that manage everything from processes to people. The Oxygen application suite for Office 365 and SharePoint online is an intuitive, secure and scalable way to easily modernise the way you manage information, from where it is stored to how it is stored. Our approach is simple; human-centric applications, customised to suit your business, workflows and processes. Oxygen is today’s Digital Workplace, built into the Microsoft Office 365 cloud, providing a cost-effective, scalable and secure environment to manage, share and collaborate from.

Built in Office 365 and making the best of its collaborative features, our automated workflows remove mundane tasks from the working day. Choose from Intranet, CRM, Extranet, HR, HelpDesk and more to create your very own Digital Workplace.

Job Description

Launched to market in January 2015, we are growing quickly and seek an experienced customer facing Microsoft Office 365 Systems Administrator who is looking to broaden their role and grow within and young and dynamic organisation.

Reporting directly to the Managing Director, your role will focus on providing all levels of support to our customer base, both remotely and onsite. This will include Office 365 systems admin, migrations, configuration, implementation and security. Along with end-user desktop support on all aspects of supported solutions, such as Office 365, FlexDesk Virtual Desktop, Amazon Work Spaces, SharePoint Online apps and tools from our bespoke ISAAC Oxygen range.

You will be the initial point of contact with end users reporting faults and requesting IT support. In addition, you will liaise with other members of the senior team to ensure that all tasks are resolved in a timely and acceptable manner, escalating and briefing effectively where necessary. You will also be the in-house go-to expert on all things Office 365 (Exchange Online, Skype for Business, Yammer, InTune, Power BI etc) and your opinion and guidance will be valued when looking to implement new and existing customer solutions.

The successful candidate will receive a competitive package, excellent long-term prospects, including share option schemes as well as direct company investment and support in ensuring you achieve Microsoft certification in your chosen field.


  • Competitive Salary
  • Share Option Scheme after 2 years
  • Flexible Working & Work from Home Days (TBA)
  • 25 Days Holiday + 1 per year to max 30
  • Training & Support
  • Microsoft Qualification Incentives (MCSA/MCSE – Office 365 and more)

Your Attributes

  • Highly proactive with a can-do approach
  • Excellent written and verbal communications skills
  • Ability to deal with (occasionally) difficult customers
  • Ability to work under pressure in a fast-paced environment
  • Ability to multi-task and deal with a number of open tickets simultaneously
  • Hunger to learn and develop their knowledge
  • Someone who wants to go above and beyond for customers
  • Someone who seeks to deliver high levels of customer satisfaction

Key Responsibilities

  • To be responsible for the day-to-day delivery of support to the organisation and act as the first point of contact for all end-users
  • Follow preventative maintenance procedures for all customers worldwide
  • Update ticket desk call records with progress notes for both the end user and other team members as per company procedure
  • Clearly communicate with all relevant stakeholders affected by any task in a timely, professional manner as per SLA
  • Administration and support for Office 365, Microsoft Exchange Online and SharePoint Online
  • Perform Installations, configurations, migrations, server implementation, workstations and mobile devices
  • Prioritise support and maintenance tasks in order to meet service level expectations
  • Ensure comprehensive documentation of procedures is maintained, and system documentation and support processes are regularly reviewed
  • Build, configure & deploy new desktop/laptop/server/network equipment
  • Occasional travel to customer sites in London

Essential Knowledge, Skills, Qualifications and Experience

  • Expert knowledge and administrative experience of, but not limited to:
    • Office 365 (inc all associated features)
    • Core Microsoft Office applications
    • Microsoft Azure
    • Windows Server 2008/2012
    • Active Directory
    • Microsoft InTune
    • Group Policy Deployment
    • Exchange
    • SharePoint Online
    • Virtual Desktops – Amazon Work Spaces
  • Excellent Networking skills (DNS, DHCP, TCP/IP, Firewalls, switch management)
  • Good working knowledge of Cloud computing environments (eg AWS, Azure)
  • Experience of voice platforms (eg VoIP, PBX, Skype for Business, Contact centers)
  • Ability to apply ITIL processes to the provision of IT support
  • The ability to investigate and trouble-shoot a wide range of technical problems, with patience, resourcefulness and a desire to help
  • Microsoft operating system qualification(s) MCP, with a good working knowledge of server & desktop operating systems
  • Credible knowledge of top tier networking VPN and Cisco/Draytek Firewall, Meraki WiFi solutions, switch management and other wireless access points
  • Working knowledge of data storage systems, data backup and restoration methods, email filtering and anti-virus/security products
  • SQL Database knowledge

Platforms & Solutions

  • Microsoft Office 365 including Exchange Online, SharePoint Online, Skype for Business, Yammer, Groups and Teams
  • Microsoft Windows Desktop Operating Systems (Windows XP, Vista, 7, 8, 10)
  • Microsoft Office Suite 2007/2010/2013/2016
  • Microsoft Windows Server 2003/2008/2012 (including Active Directory/DNS/Group Policy etc
  • Microsoft Azure Platform
  • Microsoft Exchange Server 2007/2010/2013
  • Amazon Work Spaces
  • Infowise & DFFS
  • Networking principals including routing and firewalls

Our thinking is original. Our solutions are innovative. Our people are the key. If you believe you can add value to our team, tell us why.

To apply, please submit CV and covering letter to