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Senior IT Systems Administrator

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Lunar Energy

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Location:
United Kingdom, London

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

At Lunar Energy, we're on a mission to transform the way we power our homes by building an ecosystem of all-electric products. Comprising a team of visionary technology and industry experts, we're united by our shared vision of deploying and building products to electrify homes that are connected through an integrated software platform. We are looking for a proactive Senior IT Systems Administrator to act as the operational heart of the global IT team. Reporting to the Head of IT and collaborating closely with other members in the global team, you will play a pivotal role in supporting the IT systems and operations at Lunar Energy.

Job Responsibility:

  • Administer the company’s SaaS platforms, as well as support remote users with day-to-day issues.
  • Implement a new automation or integration system between our services to streamline data flows, and document it for future reference.
  • Evaluate and respond to end-user requests for new features or functionality.
  • Identify issues with and optimise IT processes or platform integrations.
  • Research and recommend new products or services.
  • Ensure smooth delivery and operation of IT services by monitoring system performance.
  • Provide 1st/2nd/3rd line support to colleagues concerning issues with their devices, the office network infrastructure or SaaS platform integrations.
  • Run training sessions for end-users on how to get the most from a given platform.
  • Problem determination and incident management of network and connectivity issues
  • Operational performance monitoring and analysis of internal networks
  • Office WAN connectivity/ISP management
  • Thorough documentation of new and existing processes and systems.
  • IT hardware and software procurement
  • Day-to-day end-user support
  • Backup support for user onboarding/offboarding and basic training

Requirements:

  • A minimum of 5 years' work experience within IT Systems administration in any sector
  • Proficiency in Okta and Google Workspace administration
  • Experience with Okta Workflows for workflow automation
  • Expertise in MacOS and Windows device support & management - 2nd/3rd line level support essential
  • Familiarity with MDM solutions for Windows and macOS
  • Proficiency in network administration - layer 2 and 3 switching, VLANs, DNS, DHCP, firewalls, VPNs.
  • Experience in Domain name and DNS management
  • Excellent communication skills, with the ability to talk and present to a range of audiences, sometimes acting as a translator between parties
  • Excellent attention to detail and a methodical approach
  • The ability to motivate others and guide change
  • A passion for creating solutions with a positive attitude to change
  • The ability to work under pressure on multiple projects within your project timeframes
  • Excellent analytical skills and an informed, evidence-based approach

Nice to have:

  • Scripting (e.g. Python, Bash, Powershell)
  • Azure AD
  • Kandji
  • Intune/Endpoint Manager
  • Atlassian suite (Jira, Confluence etc)
  • AWS Management
  • HubSpot administration
What we offer:
  • Competitive Salary and stock options package
  • Private Medical Insurance scheme through BUPA (medical history disregarded)
  • A wellbeing and lifestyle benefits plan through Medicash
  • Enhanced Pension contributions: employer contributions matching 5%
  • A budget for work related training of £1,000 per financial year and an allowance of 4 training days
  • Cycle To Work scheme and Workplace Nursery benefit
  • £200 upon joining for remote work set-up
  • Access to Spill - Mental Health Support platform
  • Enhanced Maternity + Paternity Pay
  • 25 days annual holiday entitlement + 8 Bank Holidays
  • Flexible start and finish times, fully remote working or hybrid depending on preferences

Additional Information:

Job Posted:
December 10, 2025

Employment Type:
Fulltime
Work Type:
Hybrid work
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