Typically Cloud specialists deploy cloud-based applications: server, virtualization (hypervisor), storage, networking, hardware PCoIP. Depending on the technology, you would need to evaluate candidates on AWS/Azure/GCP/IBM/Oracle Cloud, Openstack, Cloud Foundry, Cloudstack, Opennebula, eucalyptus etc
SAP professionals/specialists are responsible for evaluating, designing and configuring computer systems and software. They ensure that the workflows for the computer system are optimized and work well for the end-users. They also gather feedback from end-users and make modifications that are necessary. Their skills include managing public and hybrid multi-clouds, integration and management of SAP SaaS solutions, AIOps platforms, ServiceNow, and CMDB etc.
Database engineers build and maintain databases, improve data storage processes and capacity, and troubleshoot database functional issues. They also review database performance and user reports. Depending on the organisation’s requirement, skills needed can include SQL, NoSQL, Python, AWS, Kafka, Hadoop etc.
A network engineer plans, implements, and oversees the computer networks that support in-house voice, data, video and wireless network services. When hiring for network engineers, recruiters typically look for certifications such as CCNA, CCNP, and CCIE. Depending on the organisation’s requirement, skills needed can include Analytics, Troubleshooting, Firewalls, Security,Python, Ruby, Perl, Linux, Java, Terraform, Ansible, IMS, etc.