Cross Technology Managed Services Engineer (L3)
NTT Ltd. · Cape Town, Western Cape
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- The Cross Technology Managed Services Engineer L3 is a senior technical specialist responsible for delivering operational excellence across multiple technology domains within managed services environments. The role requires a strong foundation in core infrastructure technologies, including operating systems, Active Directory, identity and messaging services, with primary expertise in public cloud platforms, cloud networking, and cloud security.
- This position provides advanced technical support, complex incident resolution, proactive service optimisation, and technical leadership across hybrid and multi-cloud customer environments. The engineer acts as an escalation point for lower-tier engineers and contributes to the design, automation, and continuous improvement of managed services operations.
Key Responsibilities Public Cloud Operations
- Manage, maintain, and optimise Azure, AWS and/or GCP environments.
- Support cloud-native networking, identity, security, and governance services.
- Implement and maintain cloud security controls, policies, and best practices.
- Monitor cloud platform performance, availability, and cost optimisation initiatives.
- Support cloud migration, modernisation, and transformation projects.
Cloud Networking & Security
- Administer and troubleshoot:
- Virtual Networks VNETs
- AWS VPCs
- Routing and segmentation
- VPN connectivity
- ExpressRoute / Direct Connect
- Load balancing
- DNS services
- Firewalls and security appliances
- Implement and manage:
- Zero Trust principles
- Network Security Groups
- Web Application Firewalls
- Cloud security services
- Identity-based access controls
Service Operations
- Act as L3 escalation point for critical incidents and complex technical issues.
- Lead root cause analysis and problem management activities.
- Deliver proactive maintenance and service improvement initiatives.
- Develop automation and standardisation opportunities.
- Produce and maintain technical documentation and operational procedures.
Customer Engagement
- Provide technical guidance to clients and internal teams.
- Participate in service reviews and technical governance discussions.
- Support project teams during implementations and transitions into support.
- Contribute technical expertise during solution planning and design discussions.
Required Technical Skills
- Public Cloud
- Microsoft Azure preferred SC700
- Amazon Web Services advantageous
Cloud Networking
- VNET / VPC Design
- Routing and Switching
- VPN Technologies
- SD-WAN
- ExpressRoute / Direct Connect
- DNS and Load Balancing
- Cloud Firewalls
Cloud Security
- Microsoft Defender Suite
- Microsoft Sentinel
- Security Center / Defender for Cloud
- IAM and RBAC
- Conditional Access
- Zero Trust Architecture
- Security Monitoring and Compliance
Infrastructure
- Windows Server
- Linux Administration
- PowerShell
- Infrastructure Automation
Experience Requirements
- 5+ years experience in managed services or enterprise infrastructure environments.
- Demonstrated experience supporting public cloud platforms in production environments.
- Strong experience in cloud networking and security technologies.
- Experience with Microsoft identity and messaging platforms.
- Proven ability to lead technical troubleshooting and major incident resolution.
Preferred Certifications
- Microsoft
- AZ-104 Microsoft Azure Administrator
- AZ-305 Azure Solutions Architect Expert
- AZ-700 Azure Network Engineer Associate
- AZ-500 Azure Security Engineer Associate
- SC-100 Cybersecurity Architect Expert advantageous