An IT Infrastructure Specialist is responsible for designing, implementing, and maintaining an organization's IT infrastructure. This includes managing servers, networks, storage systems, and other hardware and software components. They work closely with other IT professionals to ensure that the infrastructure is secure, reliable, and efficient.

• Evaluating and recommending new hardware and software solutions.
• Configuring and maintaining servers and network devices
• Troubleshooting and resolving infrastructure-related issues
• Ensuring data backup and disaster recovery procedures are in place
• Monitoring system performance and identifying opportunities for optimization
• Maintaining documentation and keeping up-to-date with industry trends and best practices.

An IT Manager is responsible for overseeing an organization's IT department and ensuring that its technology infrastructure is aligned with the company's goals and objectives. They manage a team of IT professionals and collaborate with other departments to identify technology needs and develop strategies for implementing solutions. 

• Developing and implementing IT policies and procedures
• Managing IT projects and ensuring they are completed on time and within budget
• Ensuring network and data security measures are in place and up-to-date
• Managing vendor relationships and negotiating contracts for hardware, software, and services
• Planning and managing the IT budget
• Keeping up-to-date with industry trends and emerging technologies, and making recommendations for adoption where appropriate
• Providing technical leadership and guidance to the IT team.