Senior System Engineer – M365

Wanstor

Senior System Engineer at Wanstor responsible for aligning IT solutions with business goals. Engaging with clients and enhancing their technology infrastructure while leading security best practices.

Posted 7/23/2026full-timeLondon • 🇬🇧 United KingdomSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in managing IT solutions aligned with business goals, focusing on cloud migrations, security best practices, and customer satisfaction. Proven ability to build strong relationships and effectively communicate technical concepts to diverse stakeholders.

Highest-signal resume keywords

Windows Server ManagementCloud Migration ExpertiseCyber Essentials ComplianceNetworking Knowledge (LAN, WAN, VPN)Analytical Thinking and Problem Solving

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

VMWareExchangeOffice365SQLAzureActive DirectoryRoot Cause AnalysisChange ManagementDiagnostic Information GatheringTechnical Support

Soft Skills

Effective CommunicationRelationship BuildingTime ManagementCreative Problem SolvingAutonomous Work

Industry Keywords

Managed ServicesIT SupportHybrid EnvironmentsColocationFirewall Management

Tech Stack

Tools & technologies

AzureCloudSQLVMware

About the role

Key responsibilities & impact

You’ll work closely with IT and business leaders, both onsite and remotely, to gain a deep understanding of their core operations – ensuring our IT strategies and solutions are fully aligned with their business goals.
As a trusted advisor and brand ambassador, you’ll build strong, lasting relationships with clients, championing our products, services, and the power of technology to drive transformation.
From maintaining and managing customer environments to designing and implementing forward-thinking solutions (including cloud migrations and adoption), your proactive approach will ensure our clients’ technology is always one step ahead.
You’ll also lead on security best practices aligned to Cyber Essentials standards.
As the final escalation point for the service desk, you’ll take full ownership of change requests and complex issues – seeing them through to resolution while ensuring the highest level of customer satisfaction.

Requirements

What you’ll need

Broad technical experience encompassing but not limited to; working with Windows Server, VMWare, Exchange, Office365, SQL, Azure, Active Directory
Knowledge of networking (LAN, WAN, VPN, Firewall, DSL Routers), colocation and hybrid environments
Diagnostic information gathering and analytical thinking, the ability to understand the architecture of operations and undertake root cause analysis.
The ability to undertake research consulting a range of data sources and critical thinking skills to provide detailed and accurate analysis.
Accurate and effective communication using a variety of techniques including verbal and written work.
The ability to form strong and collaborative relationships with both customers, vendors and colleagues
Ability to work autonomously, and as part of a team, with excellent time management, the ability to prioritise
Creative problem solving, and the ability to use initiative
A background in managed services and IT Support is advantageous

Benefits

Comp & perks

🌴 **Generous Time Off:** Enjoy 24 days of annual leave, increasing by 1 day each year up to 28 days, plus Bank Holidays.**📚 **Continuous Learning:** Participate in regular lunch and learn sessions with both internal and external speakers.**🌟 **Personal Development:** Take advantage of 5 paid days annually to pursue new skills or knowledge.**🤝 **Volunteer Opportunities:** Contribute to your community with 2 paid volunteer days each year.**🎉 **Team Spirit:** Join a friendly team and engage in various social events organised throughout the year.