Established in 1982, Bytes has grown rapidly and now employs over 800+ people across 6 locations in the UK and Ireland. Our turnover in Financial Year 2025 was in excess of £2bn. We work with SME’s, corporates, and public sector organisations to modernise and digitally transform their IT infrastructures.
We invest in our employees through ongoing support, training, and advice to help them achieve their career aspirations, rewarding success both financially and personally. There is an opportunity to grow and move internally, which can be seen through our long-standing employees who have developed existing and new skills to move into senior positions in the organisation, leaving space for new team members to begin their journey.
Your Future Starts Here
Why Bytes?
- Over 800 staff (plans to double in size over the next 5 years)
- Operating from modern, hybrid working environments with offices in Leatherhead, Reading, London, Manchester, Port Solent, and Dublin.
- Winners of an array of industry awards
- Sunday Times Top 100 Best Places to Work
- Excellent training and career prospects offered
- Fantastic office with gym, canteen, open plan, smart casual dress code, regular incentives, and company events
- Supporters of 85+ charities with a strong commitment to diversity and sustainability
Purpose of Role
Bytes is looking for a Microsoft Security Technical Pre‑Sales Architect to lead scoping, shaping, and preparation of Microsoft‑funded (MCI) security workshops and broader Microsoft Security pre‑sales engagements.
This is a senior, customer‑facing role where you’ll own the quality, direction, and governance of all Microsoft Security pre‑sales activity – partnering closely with Customer Success Managers, Account Managers, and delivery teams to ensure engagements are well‑qualified, accurately scoped, and aligned to customer outcomes.
What You’ll Be Doing
MCI Workshop Scoping & SOW Ownership
- Lead scoping of Microsoft‑funded security workshops in collaboration with Customer Success Managers
- Produce accurate, audit‑ready Statements of Work aligned to Microsoft funding rules
- Define assumptions, prerequisites, scope, and deliverables for MCI approval
- Run customer discovery sessions to identify challenges, requirements & automation opportunities
Microsoft Security Technical Leadership
Apply deep, practical expertise across the Microsoft Security stack, including:
- Microsoft Defender: endpoint, identity, email, and cloud apps
- Microsoft Entra: identity, access governance & privileged access
- Microsoft Purview: DLP, information protection & compliance workshops
You’ll ensure all engagements align with Microsoft funding models and Bytes’ best practice – while understanding when non‑Microsoft security tooling may be appropriate to support customer outcomes.
Customer & Internal Collaboration
- Act as the key technical bridge between Customer Success, Pre‑Sales Architecture, and delivery teams
- Join pre‑scoping calls to confirm objectives, success criteria, and workshop direction
- Support seamless handover into delivery, ensuring clarity on scope and expected outcomes
Documentation & Quality Control
- Maintain consistency, accuracy, and quality across all security‑focused SOWs
- Ensure documentation is audit‑ready and compliant with Microsoft standards
- Contribute to the ongoing improvement of templates, guidance, and internal best practices
Coaching & Team Development
- Share Microsoft Security best practices across the Technical Pre‑Sales community
- Keep up‑to‑date with Microsoft Security roadmap changes & funding updates
What You’ll Bring
- 5–7 years’ experience in a Technical Pre‑Sales, Security Architecture, or Security Consulting role
- Strong hands‑on experience with Microsoft Sentinel, Defender & Entra (essential)
- Proven experience producing and owning Statements of Work (essential)
- Confident leading customer discovery & scoping sessions
- Excellent written and verbal communication skills across technical and non‑technical audiences
- Microsoft Security certifications (SC‑200, SC‑300, SC‑400, or SC‑100) – desirable
- Understanding of SIEM/SOC models and non‑Microsoft security tooling – desirable
- Penetration testing assurance – desirable
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