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For Companies At a Glance
- Tasks: Advise clients on M365 security, design solutions, and lead implementations.
- Company: CyberOne, a leading Microsoft security partner with a collaborative culture.
- Benefits: Competitive pay, strong benefits, remote work, and clear career progression.
- Why this job: Make a real impact in cybersecurity while working with cutting-edge Microsoft technologies.
- Qualifications: Experience in M365 security, strong consulting skills, and ability to engage with clients.
- Other info: Join a dynamic team and tackle meaningful security challenges across various industries.
The predicted salary is between 36000 - 60000 £ per year.
About CyberOne
CyberOne is a pure-play Microsoft security partner dedicated to helping enterprises realise the full value of the Microsoft Security portfolio—across Defender XDR, Sentinel, Entra, Purview, Intune, Copilot for Security and more. We combine deep technical expertise with outcome-driven services that accelerate secure cloud adoption, modernise threat protection and simplify compliance.
The Role
We are looking for an experienced Senior M365 Security Consultant to join our leading Microsoft Security Practice. In this role, you’ll help organisations design, improve, and mature their Cyber Security posture through the use of M365 Security and Compliance technologies. This is a client-facing, senior-level role where you’ll combine deep hands-on technical expertise with strong consulting skills. You’ll own engagements end-to-end: from discovery and strategy through to design and implementation.
If you enjoy solving complex security challenges, influencing stakeholders, and seeing the tangible impact of your work, this role gives you the space and trust to do exactly that.
What You’ll Be Doing
- Advise & Assess: Partner with clients to understand their business and security challenges, assess their Microsoft 365 environments, and identify meaningful improvement opportunities.
- Design & Deliver: Architect and implement security and compliance solutions across Microsoft 365, aligned to Microsoft best practices, Zero Trust, and regulatory requirements.
- Shape Strategy: Help clients define security strategies, roadmaps, and policies across organisations of varying sizes and maturity.
- Hands-On: Lead implementations, tenant migrations, and greenfield deployments translating designs into secure, usable solutions.
- Support Pre-Sales: Collaborate with sales teams on solution design, provide technical input, and contribute to Statements of Work and proposals.
What You’ll Bring
You’re an experienced M365 security professional who is comfortable working independently, engaging directly with customers, and making informed technical decisions. Strong experience with Microsoft 365 security and compliance technologies, including:
- Microsoft Purview
- Microsoft Defender for Endpoint
- Microsoft Defender for Office 365
- Microsoft Defender for Identity
- Microsoft Defender for Cloud Apps
- Microsoft Entra ID
- Microsoft Intune
Plus:
- Experience delivering M365 tenant migrations and greenfield deployments
- Ability to assess existing environments, identify gaps, and implement effective remediation
- Confidence explaining technical concepts to both technical and non-technical stakeholders
Preferred Certifications
- SC-100 – Microsoft Cybersecurity Architect
- SC-200 – Microsoft Security Operations Analyst
- SC-300 – Microsoft Identity and Access Administrator
- SC-400 – Microsoft Information Protection and Compliance Administrator
- MS-500 – Microsoft 365 Security Administrator Associate
- MS-102 – Microsoft 365 Administrator
What Sets You Apart
- You’re comfortable operating as a trusted advisor, not just a technical implementer
- You can influence stakeholders from engineers through to senior leadership
- You take a pragmatic, outcome-focused approach to security
- You enjoy variety and can manage multiple client engagements without losing quality
- You’re curious, motivated, and keep up with evolving threats and Microsoft capabilities
Why Join Us?
- CyberOne Ranked #79 Globally in MSSP Alert’s 2025 Top 250 MSSPs
- Work with experienced cybersecurity professionals on meaningful, high-impact engagements
- Exposure to a wide range of industries, challenges, and modern Microsoft security solutions
- A collaborative environment that values expertise, autonomy, and continuous learning
- Competitive compensation, strong benefits, and a clear path for career progression
If you’re passionate about Microsoft 365 security and want a role where your expertise genuinely makes a difference, we’d love to talk. Let’s redefine what it means to be secure. Together.
Senior M365 Security Consultant in London employer: CyberOne
Contact Detail:
CyberOne Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior M365 Security Consultant in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, especially those who work at CyberOne or similar companies. A friendly chat can lead to insider info about job openings and even referrals.
✨Tip Number 2
Show off your skills! Prepare a portfolio or case studies that highlight your experience with Microsoft 365 security solutions. This will help you stand out during interviews and demonstrate your hands-on expertise.
✨Tip Number 3
Practice makes perfect! Conduct mock interviews with friends or mentors to refine your responses, especially around technical concepts and consulting scenarios. The more comfortable you are, the better you'll perform.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, it shows your genuine interest in joining CyberOne and being part of our mission.
We think you need these skills to ace Senior M365 Security Consultant in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV reflects the specific skills and experiences that align with the Senior M365 Security Consultant role. Highlight your expertise in Microsoft 365 security technologies and any relevant certifications to catch our eye!
Craft a Compelling Cover Letter: Use your cover letter to tell us why you're excited about joining CyberOne. Share your passion for cybersecurity and how your experience can help us tackle complex security challenges. Be genuine and let your personality shine through!
Showcase Your Problem-Solving Skills: In your application, give examples of how you've successfully solved security challenges in the past. We love seeing candidates who can think critically and provide tangible results, so don’t hold back on sharing your achievements!
Apply Through Our Website: We encourage you to apply directly through our website for the best chance of getting noticed. It’s the easiest way for us to keep track of your application and ensure it reaches the right people. Let’s get started on this journey together!
How to prepare for a job interview at CyberOne
✨Know Your Microsoft Security Stuff
Make sure you brush up on your knowledge of Microsoft 365 security and compliance technologies. Be ready to discuss specific tools like Microsoft Defender and Purview, and how they can solve real-world security challenges. This will show that you're not just familiar with the tech, but that you can apply it effectively.
✨Showcase Your Consulting Skills
Since this role is client-facing, practice articulating how you've successfully engaged with clients in the past. Prepare examples where you've assessed environments, identified gaps, and implemented solutions. Highlight your ability to influence stakeholders at all levels, as this is key for a Senior Consultant.
✨Prepare for Scenario-Based Questions
Expect to face scenario-based questions that test your problem-solving skills. Think about complex security challenges you've encountered and how you approached them. Be ready to explain your thought process and the outcomes, as this will demonstrate your hands-on experience and strategic thinking.
✨Align with CyberOne's Values
Research CyberOne’s mission and values, and think about how your personal approach to security aligns with theirs. Be prepared to discuss why you want to work there specifically and how you can contribute to their goal of helping enterprises maximise their Microsoft Security portfolio.
