Cross Technology Managed Services Engineer (L3)

In brief

Overview This is a senior technical specialist role at NTT, focused on delivering operational excellence across multiple technology domains within managed services environments. The position 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. The engineer will provide advanced technical support, lead complex incident resolution, drive proactive service optimisation, and offer technical leadership across hybrid and and multi-cloud customer environments. This role acts as an escalation point for lower-tier engineers and involves contributing to the design, automation, and continuous improvement of managed services operations. What you will do * 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. * 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, and identity-based access controls. * 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. * 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. Requirements (from the original advert) **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) Who should apply This role is ideal for a senior technical specialist with a strong foundation in core infrastructure technologies and primary expertise in public cloud platforms, cloud networking, and cloud security. The candidate should be capable of providing advanced technical support, leading complex incident resolution, and driving proactive service optimisation. They must be able to act as an escalation point for lower-tier engineers and contribute to design, automation, and continuous improvement within managed services operations across hybrid and multi-cloud customer environments. Deadline Not specified Reference Original posting: https://www.myjobmag.co.za/job/cross-technology-managed-services-engineer-l3-ntt-global-networks-4 Source: myjobmag

Summary drafted with AI assistance from the original advert. The advert itself is the authority — how we use AI.

At a glance

• At least 5 years of experience.

• AWS
• Azure
• Google Cloud
• Linux

Extracted automatically from the advert; confirm requirements on the original listing.

Job description

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