Sheena Bundhoo
Hughesdale,Australia
Summary
Customer-focused Cyber Security Specialist with 8+ years across MSP and enterprise environments, specialising in Microsoft 365, Entra ID, Azure security, and endpoint protection. Experienced in incident response, SIEM tuning, and IAM automation, with a strong track record in problem management and RCA delivery. Recognised for turning complex technical issues into practical solutions, improving resilience, and building trust with customers through clear communication and training that strengthens security posture. Passionate about empowering organisations to thrive securely in the Microsoft Cloud.
Overview
12
12
years of professional experience
Work History
Cyber Security Specialist
Code Black Group
10.2024 - Current
- Led security operations for a nationwide trade union, ensuring SLA compliance and safeguarding sensitive data.
- Automated Entra ID lifecycle processes, reducing onboarding/offboarding times and strengthening access control.
- Introduced standardized playbooks that reduced incident MTTR by 25%.
- Delivered executive briefings and phishing simulations to 1,000+ users, reducing click rates by 30%.
- Contributed to ISO 27001 certification by embedding security controls across operations.
Service Desk Manager
IN2Tech Pty Ltd
10.2023 - 09.2024
- Directed a team of 5 engineers, supporting 100+ clients in an MSP environment.
- Improved SLA compliance through process improvements and client health reports.
- Partnered with clients and engineers to resolve escalated incidents, providing clear communication under pressure.
- Represented IN2Tech at business forums, delivering cybersecurity talks to 50+ small business leaders.
Security Operations Administrator
IN2Tech Pty Ltd
03.2022 - 09.2024
- Administered Microsoft 365 workloads (Entra ID, Exchange, Intune, Defender).
- Configured email security standards (SPF/DKIM/DMARC) and restored disrupted mail flows.
- Investigated SentinelOne alerts and isolated compromised devices, preventing lateral spread.
- Delivered targeted security awareness sessions to reduce phishing susceptibility.
Support Engineer
Right Click IT Pty Ltd
10.2021 - 03.2022
- Resolved 50+ weekly tickets across Windows/macOS environments with clear, documented resolutions.
- Administered Windows Server/Active Directory and deployed endpoint protection solutions.
- Maintained VMware and Exchange environments to support client operations.
Network Specialist
Orange Business Services
05.2017 - 06.2018
- Resolved 200+ global WAN/LAN outages under SLA, coordinating with vendors and internal teams.
- Executed change requests and documented RCAs, reducing repeat faults.
- Acted as primary contact for enterprise clients during critical incidents, ensuring clear updates.
Technical Support and ADSL Back Office
Outremer Telecom
03.2014 - 06.2017
- Resolved 100+ weekly VoIP, IPTV, and ADSL issues, escalating with France Telecom as needed.
- Maintained account/service integrity during migrations in Citrix OSS/BSS systems.
- Achieved SLA compliance through efficient troubleshooting and diagnostics.
Education
CCSP -
ISC2
03-2026
BSc - Computer Science with Network Security
University of Technology, Mauritius
08.2017
Cambridge A Level - undefined
Loreto College
11.2013
Skills
- Cybersecurity & Cloud Platforms: Microsoft 365, Entra ID, Intune, SentinelOne, Defender, Sophos, Kaseya, Datto, Acronis, JumpCloud, WHMCS, Email Security
- Security Operations & Threat Management: SIEM, NDR, SOC, endpoint protection, intrusion detection, vulnerability scanning, patch management, zero trust architecture
- Identity & Access Management: MFA, Conditional Access, JML automation, role hygiene, digital certificates, mobile device security
- Incident & Problem Management: RCA, SLA adherence, MTTR reduction, escalations, disaster recovery, business continuity
- Governance & Compliance: Information security policies, data privacy regulations, information governance, data loss prevention
- Customer Experience & Leadership: Executive briefings, security awareness training, client health reporting, service desk management, mentoring, process improvement
- Networking & Systems: WAN/LAN, DNS, routing, VMware, Windows Server, Active Directory, FTP, NAS, QNAP
- Projects & Labs: Enterprise-grade homelab for SIEM, endpoint security, vulnerability assessment; sandbox testing for patching and security configs
- Additional Expertise: Application security, firewall administration, operating system hardening, social engineering defense, cloud security frameworks
Key Qualifications
- Bachelor of Computer Science with Network Security
- Certified Cloud Security Professional (CCSP) - Current
- Cambridge A Level
Languages
English
Full Professional
French
Full Professional
Hindi
Professional Working
Timeline
Cyber Security Specialist
Code Black Group
10.2024 - Current
Service Desk Manager
IN2Tech Pty Ltd
10.2023 - 09.2024
Security Operations Administrator
IN2Tech Pty Ltd
03.2022 - 09.2024
Support Engineer
Right Click IT Pty Ltd
10.2021 - 03.2022
Network Specialist
Orange Business Services
05.2017 - 06.2018
Technical Support and ADSL Back Office
Outremer Telecom
03.2014 - 06.2017
BSc - Computer Science with Network Security
University of Technology, Mauritius
Cambridge A Level - undefined
Loreto College
CCSP -
ISC2