Senior Microsoft Security Specialist (Defender & Entra)

Job Title: Senior Microsoft Security Specialist (Defender & Entra)

Location: Rosebank (Hybrid – 1 office day a week)
Company: Netsurit
Type: 6-month contract (possibility to be extended, but not guaranteed

Budget: R100 000 – R120 000 per month

Start date: 1 July 2026

About Netsurit

Netsurit is a global Managed Services Provider helping organizations grow, secure, and innovate with technology. Our mission is to Support the dreams of the doers - freeing our customers from day-to-day IT burdens so they can focus on building their businesses.

Role Purpose

The Senior Microsoft Security Specialist is responsible for strengthening and optimising the organisation's Microsoft security posture across the Microsoft Defender XDR and Entra ecosystems. This role focuses on identifying risks, closing security gaps, and enhancing controls within a large, complex, high-risk enterprise environment.

Key Responsibilities

Security Risk & Gap Management

• Analyse current security posture and identify risks across Microsoft security platforms
• Assess gaps in Microsoft Defender XDR and Microsoft Entra ID controls
• Develop and recommend remediation strategies to mitigate identified risks

Security Configuration & Optimisation

• Configure and optimise Microsoft Defender XDR policies and settings
• Implement and enhance Conditional Access policies
• Configure:
• Privileged Identity Management (PIM)
• Identity Protection
• Authentication controls (including MFA strategies)
• Drive continuous improvement of the Microsoft security stack

Cross-Functional Security Collaboration

• Work closely with:
• Security Operations Centre (SOC)
• Red Teams
• Identity Operations
• Email Security Teams
• Support incident response by implementing security controls to mitigate threats
• Align security initiatives across multiple business units and regions

Enterprise Security Enablement

• Operate within a large-scale, highly regulated organisation
• Support security initiatives across a hybrid multi-cloud environment (M365, Azure, AWS)
• Contribute to maintaining and advancing a mature Microsoft security ecosystem

Technical Requirements

Core Microsoft Security Expertise

• Microsoft Entra ID – expert level
• Microsoft Defender for Endpoint – advanced
• Microsoft Defender for Office 365 – intermediate
• Microsoft Defender for Cloud Apps – intermediate
• Microsoft Defender for Identity – intermediate
• Microsoft 365 Security – expert level
• Microsoft Intune (security enforcement) – intermediate

Experience & Skills

Required Experience

• Proven experience in large, complex enterprise environments
• Strong background in Microsoft security stack optimisation
• Experience working in collaborative security teams
• Exposure to hybrid cloud environments
• Ability to operate in high-pressure, high-threat environments

Behavioural Competencies

• Strong stakeholder engagement and collaboration skills
• Analytical thinking with a risk-management mindset
• Ability to translate technical risks into business outcomes
• Continuous improvement and innovation mindset

Disqualifiers

• Preference for solo, non-collaborative work styles
• Experience limited to small environments
• Limited exposure to Microsoft security stack or cloud security

Environment Context

• Large enterprise environment (>50,000 users)
• Multi-country operations with diverse business units
• High-threat landscape with constant cyberattacks
• Mature Microsoft security environment with strong vendor alignment
• Highly regulated industry with strict compliance requirements

What You'll Get at Netsurit

• Work with a high-performance global MSP team
• Exposure to enterprise and mid-market environments
• Opportunity to work on cloud, security, and transformation projects
• Career growth in a company focused on innovation and modern IT services
• A culture that supports personal and professional goals

Artificial Intelligence Innovation:
Join Netsurit at the forefront of AI transformation—where technology meets ambition. Help us design, implement, and scale intelligent solutions that empower our clients to automate processes, uncover insights, and accelerate growth. Leverage tools like Microsoft Copilot, Azure AI, and custom machine learning models to turn data into meaningful business outcomes. Be part of a team thats shaping the future of AI-powered innovation.

Note to Agencies
Principals only. No recruiters, no agencies, no unsolicited services.