×
Register Here to Apply for Jobs or Post Jobs. X

Senior Systems Engineer

Job in Greater London, London, Greater London, EC1A, England, UK
Listing for: ECI
Full Time position
Listed on 2026-01-13
Job specializations:
  • IT/Tech
    Cloud Computing, Systems Administrator, IT Support, Cybersecurity
Job Description & How to Apply Below
Location: Greater London

The Opportunity:

As a Senior Systems Engineer, you will play a key role in our technical delivery team to drive the technology programs, including Cloud implementation and support, desktop engineering escalation and networking for a defined portfolio of clients. Using latest and greatest technologies and solutions, you will support our client’s innovation by following a set of standards and best practices in a rapidly evolving technology landscape.

What you will do:
  • Provide advanced support of cloud infrastructures such as Microsoft 365/Azure (Azure AD, Exchange Online, SharePoint Online, One Drive for Business, Teams, Intune)
  • Collaborate with, and act as a tier 3 escalation point for Client Technology Management, Service Desk, Engineering, and other client support teams
  • Implement and manage enterprise mail platform and security systems such as Microsoft Exchange or Exchange Online
  • Act as a Technical Lead for migrations, implementations, relocations, etc
  • Take ownership of complex technical challenges and provide long term fixes based on root cause analysis
  • Document processes and procedures which explain system functionality or regular tasks to contribute to our internal knowledge base including architecture diagrams, runbooks, and standard operating procedures (SOP)
  • Audit undocumented client environments and provide technical recommendations based on findings
  • Apply best‑practice configurations to client security platforms such as Azure Active Directory Conditional Access, DUO Multifactor Authentication (MFA) services
  • Perform system maintenance tasks including software and operating system patching, software version upgrades, critical patch applications, and vulnerability remediation
  • Provide advanced support of Active Directory such as Domain Controller upgrades, Group Policy creation, scheduled software deployments, network policy maintenance, and certificate management
  • Interface with common technology support tools such as Remote Monitoring and Management (RMM), Mobile Device/Mobile Application Management, Anti‑Virus/Anti‑Malware
Who you are:
  • Bachelor’s degree in an Information Technology related field, or a minimum of 6+ years comparable experience in a technology administration role
  • Advanced knowledge of Microsoft Operating Systems such as Windows Server and Windows 10/11
  • Advanced administration experience with Public Cloud platforms with focus in Microsoft 365 and Azure (Azure AD, Exchange Online, SharePoint Online, One Drive for Business, Teams, Intune)
  • Experience in administration of e‑mail platforms and security integrations such as Exchange Online
  • Experience in virtualization administration on platforms such as VMware vSphere and Hyper‑V
  • Proficient in incident response management during security events and high‑priority escalations, as well as disaster recovery and business continuity activations
Bonus points if you have:
  • Experience with Managed Service Providers (MSP) preferred
  • Financial Services or Life Science industry experience a plus

ECI’s culture is all about connection - connection with our clients, our technology and most importantly with each other. In addition to working with an amazing team around the world, ECI offers a competitive compensation package and so much more! If you believe you’d be a great fit and are ready for your best job ever,
we’d like to hear from you!

Love Your Job, Share Your Technology Passion, Create Your Future Here!#J-18808-Ljbffr
Position Requirements
10+ Years work experience
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)

Job Posting Language
Employment Category
Education (minimum level)
Filters
Education Level
Experience Level (years)
Posted in last:
Salary