IT Technical Support
Build, Maintain, and Secure IT Systems. Get Job-Ready.
IT Technical Support
IT Technical Support professionals are in demand in every country and every industry. From hospital networks to retail systems to global technology companies, every organisation needs qualified IT professionals who can install, troubleshoot, maintain, and secure technology infrastructure. DC Global College's IT Technical Support programme delivers exactly the skills employers need — mapped to internationally recognised certification frameworks and designed around hands-on, practical learning that produces graduates who are work-ready from their first day in a professional role.
Qualification Progression
What You Will Study — Level by Level
Every DC Global College programme is structured in progressive qualification levels — Certificate, Higher Certificate, Graduate Certificate, and Graduate Diploma. Every level earns a recognised qualification and builds directly on the previous one, ensuring genuine proficiency at every stage.
Foundation — Hardware, Operating Systems, and Help Desk Practice
Introduces the fundamentals of computer hardware, operating systems, and professional IT support practice. Students develop hands-on skills in assembling, configuring, and troubleshooting computer systems — alongside the professional communication skills required to operate a service desk effectively.
Programme Modules — 8 Modules
Comprehensive study of CPU architecture, RAM, storage types (HDD, SSD, NVMe), motherboards, power supplies, cooling systems, and peripheral devices. Students physically disassemble and reassemble desktop computers, identifying and replacing faulty components in a structured lab environment.
Installation, configuration, and administration of Windows 11 and Windows Server 2022. User account management, Group Policy basics, Windows Update management, system recovery tools, and the Windows Registry. Students configure a Windows Server environment from scratch.
The Linux file system, file permissions, user and group management, package management with apt, shell scripting basics, and process management. Students complete progressive command-line challenges simulating real system administration tasks.
The IT service management lifecycle: incident management, problem management, change management, and service request fulfilment. Students use a professional ticketing system to log, prioritise, escalate, and resolve simulated IT incidents throughout the module.
Technical communication with non-technical users — active listening, translating technical language into plain English, managing user expectations during outages, and documenting resolutions clearly and professionally. Students practice through structured roleplay scenarios.
Number systems used in computing — binary, decimal, hexadecimal, and octal. Boolean logic, bitwise operations, IP address binary conversion, and subnet mask calculation. Practical application to network addressing and memory management.
Supporting the full range of end-user devices: laser and inkjet printers, multifunction devices, smartphones (iOS and Android), tablets, and video conferencing equipment. Fault diagnosis procedures, driver management, and manufacturer escalation processes.
Electrical safety in IT environments, electrostatic discharge prevention, safe disposal of electronic waste, data destruction standards (DoD 5220.22-M), and the environmental impact of IT hardware. Students complete a workplace safety audit.
What You Will Gain
- Assemble, configure, and troubleshoot desktop computer systems
- Administer Windows and Linux operating systems at an entry professional level
- Operate a professional IT help desk ticketing system
- Communicate technical solutions clearly to non-technical users
A full hardware build, OS installation, and fault-finding exercise — documented with photographs, system specifications, a performance benchmark report, and a written troubleshooting log demonstrating diagnosis of three injected faults.
Networking, Infrastructure, and Systems Administration
Develops professional-level networking knowledge and systems administration skills. Students configure routers, switches, and server environments using industry-standard equipment and Cisco Packet Tracer simulation software.
Programme Modules — 8 Modules
The seven layers of the OSI model applied to real network troubleshooting. Data encapsulation, the TCP/IP suite, DNS, DHCP, HTTP/S, FTP, SMTP, and the role of each protocol in supporting enterprise IT services.
IPv4 and IPv6 addressing in depth. Classful and classless addressing, CIDR notation, subnetting calculations, Variable Length Subnet Masking, and route summarisation. Students complete progressive subnetting exercises until the skill becomes automatic.
Cisco IOS command-line interface, basic router configuration, static and dynamic routing (RIPv2, OSPF), VLAN creation and trunking, STP, and inter-VLAN routing. Students configure a multi-router network topology in Cisco Packet Tracer.
IEEE 802.11 standards, wireless access point configuration, SSID management, WPA2 and WPA3 security, wireless site surveys, and troubleshooting wireless connectivity issues. Students design and configure a wireless network for a simulated office.
Active Directory domain services: domain and forest structure, user and group management, Organisational Units, Group Policy Objects, roaming profiles, and folder redirection. Students build a functional AD environment with multiple user types and policies.
Virtualisation concepts, hypervisor types, virtual machine creation and management, snapshots, cloning, and the performance implications of virtualisation. Students deploy and manage a multi-VM environment using VMware Workstation.
IaaS, PaaS, and SaaS service models. AWS core services: EC2, S3, VPC, IAM, and Route 53. Azure equivalents. Students deploy a virtual machine, configure storage, and set up basic networking in both AWS and Azure.
Backup strategies (full, incremental, differential), RTO and RPO, disaster recovery planning, and the 3-2-1 backup rule. Students design and test a backup and recovery plan for a simulated small-to-medium enterprise environment.
What You Will Gain
- Configure and manage enterprise LAN/WAN networks
- Administer Active Directory in a Windows Server environment
- Deploy and manage virtualised infrastructure on VMware
- Implement backup and disaster recovery procedures
A full enterprise network design and deployment in Cisco Packet Tracer — including subnetting scheme, VLAN segmentation, router and switch configuration, wireless access, Active Directory integration, and a written network documentation package.
Security, Cloud Infrastructure, and Advanced Administration
Develops advanced skills in IT security, cloud infrastructure management, and scripting automation — preparing students for senior infrastructure roles and specialist security responsibilities.
Programme Modules — 8 Modules
Defence in depth, the CIA triad, common attack vectors, the MITRE ATT&CK framework, and security controls mapping. Students conduct a threat modelling exercise on a simulated enterprise architecture using the STRIDE methodology.
Stateful and next-generation firewalls, ACLs, NAT, DMZ design, IDS/IPS systems, and VPN configuration (IPSec and SSL). Students configure a perimeter security architecture using pfSense and simulate attack and defence scenarios.
AWS Well-Architected Framework, auto-scaling groups, load balancers, RDS databases, Lambda serverless functions, CloudFormation infrastructure-as-code, and CloudWatch monitoring. Students build a three-tier web application on AWS.
Writing and deploying scripts to automate repetitive IT tasks: user provisioning, software deployment, log analysis, and system health checks. Students build a library of reusable automation scripts documented to professional standards.
Zero trust architecture principles, identity provider configuration (Azure AD, Okta), multi-factor authentication deployment, privileged access management, and least-privilege access design. Students configure a zero-trust access environment.
ITIL 4 framework: service value chain, guiding principles, and the four dimensions of service management. Agile methodology applied to IT projects. Students plan and manage a simulated IT infrastructure project using Jira.
Centralised logging with the ELK stack, infrastructure monitoring with Prometheus and Grafana, alerting rules, and dashboard design for IT operations teams. Students build a full monitoring and observability stack for a simulated environment.
Evaluating technology vendors, writing RFPs, total cost of ownership analysis, software licensing models, hardware refresh cycles, and negotiating IT contracts. Students produce a vendor evaluation report and procurement recommendation.
What You Will Gain
- Configure and manage enterprise security infrastructure
- Build and manage cloud infrastructure on AWS
- Automate IT administration tasks using PowerShell and Bash
- Apply ITIL 4 principles to IT service management
A complete security architecture review of a simulated enterprise environment — including threat modelling, firewall configuration review, cloud security assessment, a remediation priority list, and an executive summary for a non-technical IT director.
IT Leadership, DevOps, and Professional Practice
Brings students to the Graduate Diploma level through advanced DevOps practice, IT governance, and professional leadership — preparing graduates for senior infrastructure roles and university progression to computer science degrees.
Programme Modules — 8 Modules
The cultural and technical foundations of DevOps: CI/CD pipelines using Jenkins and GitHub Actions, containerisation with Docker, container orchestration with Kubernetes, infrastructure as code with Terraform, and GitOps workflows.
Pod management, services, deployments, config maps, persistent volumes, ingress controllers, Helm charts, and Kubernetes networking. Students deploy and manage a multi-container application on a Kubernetes cluster in a cloud environment.
ISO 27001, NIST Cybersecurity Framework, COBIT 5, GDPR technical compliance, and IT audit preparation. Students design an IT governance framework and conduct an ISO 27001 gap analysis on a simulated organisation.
SLAs, SLOs, and SLIs. Error budgets, toil reduction, incident management, post-mortem culture, and the SRE approach to reliability. Students design an SRE playbook for a simulated production service.
Border Gateway Protocol, MPLS VPNs, software-defined WAN architecture, and the network designs used by large enterprises and service providers. Students configure BGP peering in a simulated multi-AS environment.
Aligning IT strategy with business objectives, building a technology roadmap, managing technical debt, evaluating emerging technologies, and presenting IT investment proposals to senior leadership.
Structured preparation for industry certifications aligned to each student's career path — CompTIA A+, Network+, Security+, AWS Solutions Architect Associate, or Cisco CCNA. DC Global College provides official study materials and practice examinations.
An independent research investigation into an emerging IT challenge or technology, written and presented to postgraduate academic standard. Students complete a full university application including personal statement and research proposal.
What You Will Gain
- Build and manage CI/CD pipelines and containerised infrastructure
- Apply IT governance frameworks including ISO 27001 and NIST
- Design and present an IT strategy and technology roadmap
- Progress to a university degree in computer science or IT management
A full DevOps transformation plan for a simulated company — including current-state assessment, proposed CI/CD pipeline design, container migration strategy, Kubernetes deployment, monitoring architecture, governance framework, and a board-level business case.
Where This Programme Can Take You
Graduates holding the Graduate Diploma from this programme who meet DC Global College's academic benchmarks are eligible for direct university progression with our full application and visa support at no additional charge.
IT, Networking, Computer Science, and Cybersecurity degrees in the United Kingdom, Canada, the United States, Australia, and New Zealand
More Than a Qualification
The following services are included in every DC Global College programme as standard. Nothing on this list carries an additional fee.
Student Visa Support
VITEM IV visa documentation issued within 48 hours of deposit. Full consulate guidance and DHL courier dispatch included at your request.
Accommodation Assistance
Furnished student rooms from USD 380 per month walking distance from campus. Carta de Alojamento issued for your visa application.
Career Services
CV, LinkedIn profile, interview preparation, and employer introductions — all included as standard across every programme.
Personal Tutor
A dedicated personal tutor monitors your progress, provides individual sessions, and guides your development throughout the programme.
Begin Your IT Technical Support Journey
Submit your application today. Our admissions team responds within 24 to 72 hours with your personalised offer and visa document timeline. Scholarship places are available for early applicants. Intakes: January, June, and November.