Roles and responsibilities
Education
- Bachelor's degree in Computer Science, Information Technology or Network Security
Required Experience
Required Skills
- Service Now, Solar wind, L1 system.
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1. Hardware Infrastructure
This includes all the physical components that make up the computing environment, such as:
- Servers: Physical or virtual machines that provide processing power to run applications and services.
- Storage Systems: Hardware used to store data, such as hard drives, SSDs, and storage area networks (SANs).
- Networking Equipment: Routers, switches, firewalls, and load balancers that enable communication and data flow between servers, devices, and external networks.
- Data Centers: Large facilities housing servers and other hardware to support large-scale applications and databases.
- End-User Devices: Laptops, desktops, mobile devices, and other endpoints that employees or customers use to access digital services.
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2. Software Infrastructure
Software infrastructure supports the hardware and provides functionality for application development, deployment, and management. This includes:
- Operating Systems: Software that manages hardware resources and enables applications to run (e.g., Linux, Windows Server, macOS).
- Virtualization: Technologies that allow multiple virtual machines to run on a single physical machine (e.g., VMware, Hyper-V, KVM).
- Containerization: Tools like Docker and Kubernetes allow for lightweight, isolated application environments that can be easily deployed and scaled.
- Middleware: Software that enables communication between different applications or between applications and databases (e.g., message queues, API gateways).
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3. Network Infrastructure
Network infrastructure encompasses everything that allows devices to connect and communicate with each other:
- Local Area Networks (LANs): Networks within a single location, typically a building or campus, connecting devices like computers, servers, and printers.
- Wide Area Networks (WANs): Networks that cover larger geographic areas, such as connecting multiple office locations or data centers.
- Cloud Infrastructure: Platforms like AWS, Azure, and Google Cloud that provide scalable, on-demand computing resources.
- VPNs: Virtual Private Networks that provide secure, encrypted connections over public networks (e.g., the internet).
- Firewalls & Security: Devices and software that protect the network from unauthorized access and attacks.
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4. Cloud Infrastructure
Cloud computing provides virtualized computing resources over the internet, allowing businesses to scale operations dynamically. Key components of cloud infrastructure include:
- Cloud Service Models:
- Infrastructure-as-a-Service (IaaS): Provides virtualized hardware resources such as servers, storage, and networking (e.g., Amazon EC2, Google Compute Engine).
- Platform-as-a-Service (PaaS): Provides platforms for developing, running, and managing applications without dealing with underlying hardware (e.g., Google App Engine, AWS Elastic Beanstalk).
- Software-as-a-Service (SaaS): Cloud-hosted software applications that are accessible through a browser (e.g., Google Workspace, Salesforce).
- Cloud Storage: Scalable storage solutions like AWS S3, Google Cloud Storage, and Azure Blob Storage.
- Cloud Databases: Managed database services (e.g., AWS RDS, Azure SQL Database) that eliminate the need for hardware management and maintenance.
Desired candidate profile
- Scalability: The ability of an infrastructure to grow or shrink according to demand, enabling businesses to handle increased load without performance degradation.
- High Availability: Ensuring systems are designed with redundancy and fault tolerance so that they remain operational even during hardware or software failures.
- Disaster Recovery: Planning and infrastructure to recover from unexpected events, ensuring minimal downtime and data loss.
- Automation: Using tools and scripts to automate infrastructure management tasks, such as provisioning, configuration, and monitoring.
- Virtualization & Cloud Computing: Virtualization allows multiple virtual machines (VMs) to run on a single physical machine. Cloud computing enables scalable, on-demand infrastructure resources, minimizing physical hardware dependency.
Career Paths in Infrastructure
- Infrastructure Engineer: Focuses on the design, deployment, and maintenance of physical and virtual infrastructure, including servers, storage, and networking.
- Cloud Architect: Specializes in designing and managing cloud infrastructure solutions, working with cloud service providers like AWS, Azure, and Google Cloud.
- Network Engineer: Handles the design and optimization of networks, including local area networks (LANs), wide area networks (WANs), and cloud networks.
- Systems Administrator: Responsible for maintaining and supporting operating systems, applications, and servers in an organization’s infrastructure.
- DevOps Engineer: Bridges the gap between software development and IT operations, focusing on automating infrastructure deployment and improving development efficiency.
- Database Administrator (DBA): Manages the design, implementation, and maintenance of database systems, ensuring data availability and integrity.