O365 Engineer/SME

🚀 Job Opportunity: O365 Engineer (Contract – 6 Months) Location: London, United Kingdom Contract Length: 6 months Start Date: Immediate – ASAP Working Arrangement: Office-based, 5 days per week About the Role We are seeking a highly skilled O365 Engineer to join our Technology division in London. This is a contract position for 6 months, offering the chance to play a pivotal role in the modernisation, integration, and consolidation of messaging, collaboration, and e-Discovery platforms via Microsoft O365 technology. You will act as a Subject Matter Expert (SME), providing specialist engineering support across O365 services, with a strong focus on Microsoft Teams video and voice delivery, Exchange server maintenance, and Office 365 migrations. This is a hands-on role requiring immediate availability and full-time presence in the London office. Key Responsibilities • Deliver O365 services through technical delivery and systems administration, ensuring high availability and disaster recovery. • Create and manage a stable, secure O365 platform aligned with SLA requirements. • Provide 2nd and 3rd line support for Exchange and MS Teams telephony integration. • Deliver and maintain Microsoft Teams video and voice across BYOD and corporate desktops. • Support O365 voice recording migrations in line with project requirements. • Investigate and resolve complex O365 service issues, ensuring root cause analysis and resolution. • Maintain and update technical documentation, SOPs, and operational procedures. • Manage O365 product lifecycle and contribute to roadmaps supporting Messaging and Collaboration strategy. • Install, test, and patch new versions of system software. Skills & Experience Essential Technical Expertise: • Microsoft messaging technologies (Exchange / O365) including companion technologies. • MS Teams (video and voice integration). • E-Discovery / Enterprise Vault / Compliance Tools (Compliance Accelerator, Discovery Accelerator, Clearwell). • Microsoft Intune / MDM. • AD / ADFS / Federation Services / Hybrid Services. • PowerShell scripting, automation, and orchestration. • Proven Experience in design, migration, integration, and implementation of O365 technologies. Work Experience: • Demonstrable 3rd line Office 365 engineering Experience in a global, multi-site organisation. • Strong knowledge of MS Teams telephony integration. • Experience supporting large-scale messaging environments (20,000+ users desirable). Education / Qualifications (Beneficial): • Degree-level qualification or technology-focused certifications (e.g., MCSE Messaging, MCSA). Personal Requirements • Excellent communication and interpersonal skills. • Results-driven with strong accountability. • Ability to operate with urgency and prioritise effectively. • Strong problem-solving and decision-making skills. • Structured, logical, and detail-oriented approach. • Calm under pressure, able to manage large workloads and tight deadlines. • Proactive, motivated, and innovative mindset. Why Join Us? This is a fantastic opportunity to contribute to a high-impact transformation programme within a global financial services environment. You’ll be working alongside a talented team, delivering cutting-edge O365 solutions that directly support strategic goals. 📩 Apply Now If you are an experienced O365 Engineer ready to hit the ground running, we want to hear from you. This is a contract role for 6 months, starting immediately, with a requirement to be in the London office 5 days per week. • Proficiency in E-Discovery and compliance technologies. • Proven implementation and migration Experience in a multi-site global organisation. • Working knowledge of MS Teams telephony integration. Location London, UK Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. 2876353. Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at https://www.allegisgroup.com/en-gb/privacy-notices. To access our Online Privacy Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to https://www.allegisgroup.com/en-gb/privacy-notices. We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Privacy Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your privacy rights, please visit the "Contacting Us" section of our Online Privacy Notice at https://www.allegisgroup.com/en-gb/privacy-notices for details on how to contact us. To protect your privacy and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Privacy Shield or the Swiss-U.S. Privacy Shield.