Senior IT Engineer - MSP London | Hybrid £35,000-£42,000 DOE Benefits A well-established and forward-thinking MSP is seeking a technically capable and client-focused Senior IT Engineer to join their growing support team. This is an excellent opportunity for someone with solid infrastructure and support experience who wants to take ownership of technical challenges and contribute to delivering high-quality service. This Senior IT Engineer role is based between on-site in central London and home-based working, with customer site visits if/when required. What You'll Be Doing: Provide responsive 2nd/3rd line technical support to clients across diverse environments. Administer and troubleshoot Microsoft 365, Azure AD, Exchange Online, SharePoint, and Teams. Assist with Windows Server, Active Directory, and network infrastructure (DNS, DHCP, VoIP). Support virtualisation platforms (VDI technologies) and basic Linux server administration. Contribute to security hardening, compliance processes, and documentation. Liaise with senior engineers and project leads to ensure smooth delivery. Occasionally work out-of-hours and attend client sites as needed. What You'll Bring: 5 years' experience in IT support or infrastructure roles, ideally within an MSP. Strong hands-on experience with Microsoft 365 administration (essential). Familiarity with security best practices (e.g., CAP, DLP, tenancy hardening, policy management). Bonus: Experience with compliance frameworks (ISO audits, certification, policy management). Good understanding of networking principles and troubleshooting. Excellent communication skills and a proactive, team-oriented mindset. MCP or similar certifications are welcome but not essential if backed by proven experience. What's on Offer: Salary up to £42,000 (depending on experience) 25 days annual leave plus Bank Holiday Hybrid working Pension scheme Ongoing training and professional development A collaborative, supportive team environment If you're an experienced IT Engineer with strong Microsoft 365 skills and an interest in security and compliance, we'd love to hear from you. Key skills: IT Support, Microsoft 365, Azure AD, Active Directory, Security, Compliance, Windows, Linux, Networking, VoIP, Virtualisation, MSP, Technical Support. Circle Recruitment is acting as an Employment Agency in relation to this vacancy. Earn yourself a referral bonus if you refer somebody else who fills the role! We also offer an iPad if you refer a new client to us and we recruit for them. Follow us on Facebook - Circle Recruitment, Twitter - @Circle_Rec and LinkedIn - Circle Recruitment.