Job Description
Job Summary
The Senior IT Infrastructure Engineer is responsible for the setup, configuration, support, and maintenance of a hybrid IT infrastructure environment, encompassing on-premises and cloud-based servers, storage, and network systems. The role ensures optimal performance, security, and availability of IT services while supporting continuous improvement through upgrades, patching, and technical documentation.
Key Responsibilities
- Deploy, configure, and maintain Windows and Linux servers on-premises and in Microsoft Azure.
- Manage HP Synergy blade servers and associated storage technologies.
- Administer Hyper-V clusters and failover configurations for MS SQL Server.
- Perform patching, firmware updates, and server upgrades.
- Monitor system performance and proactively resolve issues to ensure high availability.
- Configure and maintain HP/Aruba network switches and LAN/WAN/VPN connectivity.
- Support network segmentation and perimeter security.
- Manage Azure Virtual Networks (VNets) and Network Security Groups (NSGs).
- Troubleshoot and optimize hybrid network routing and connectivity.
- Integrate on-prem infrastructure with cloud via VPN and ExpressRoute.
- Administer IP telephony and VoIP systems; integrate with Microsoft Teams.
- Provide hardware/software support and maintain telephony documentation.
- Support Azure services, including Azure AD, DNS, Microsoft 365, SharePoint Online, and Remote Desktop Services.
- Assist in cloud migration and optimization initiatives.
- Implement and manage VEEAM backup and disaster recovery solutions.
- Conduct regular backup validation and lead disaster recovery testing.
- Provide 2nd and 3rd level support for infrastructure incidents.
- Participate in standby and after-hours support.
- Document root cause analyses and contribute to continuous service improvement.
- Maintain SOPs, topology diagrams, and configuration logs.
- Report system health, capacity, and risk posture to management.
- Work with IT Infrastructure Manager and engineers to align with IT strategy.
- Mentor junior engineers and support knowledge sharing.
Requirements
- Diploma/Degree in Information Technology or related fields
- Minimum 5 years experience in IT infrastructure engineering.
- Strong knowledge of Windows/Linux server administration, virtualization, and networking.
- Experience with HP Servers, Switches, Hyper-V, Microsoft SQL Server, and Azure technologies.
- Familiarity with ITSM practices (Incident, Problem, Change Management).
- Proficiency in technical documentation and system architecture.
- Networking fundamentals and Administration.
- Documentation/Technical Authoring
- Knowledge of Systems Architecture.
- ITIL certification advantageous.
- HP Networking Certifications
- Network Professional (ACNP)) will be advantageous.
- Microsoft Certifications (e.g., AZ-104, AZ-305) will be advantageous.
- Linux Certifications (e.g., LPIC-1, RHCSA) will be advantageous.
- Cisco CCNA or CCNP (as complementary networking knowledge) will be advantageous.
Required Technical Skills
- Windows and Linux server administration
- HP Synergy / Blade Servers
- Hyper-V and Hyper-V Clusters
- MS SQL Server Failover Clusters
- LAN/WAN/VPN administration
- Azure AD, DNS, Microsoft 365, Remote Desktop Services
- IP Telephony and VoIP-has experience
- VEEAM Backup and Recovery-not listed
- TCP/IP and hybrid networking
- ITSM (Incident, Problem, Change Management)
- Technical documentation and systems architecture
Preferred Certifications
- ITIL Foundation
- HP Networking Certifications
- Microsoft Azure Certifications (AZ-104, AZ-305)
- Linux Certifications (LPIC-1, RHCSA)
- Cisco Certifications (CCNA, CCNP)
Key Competencies
- Project and infrastructure planning
- Risk management and disaster recovery
- Communication and collaboration
- Mentoring and knowledge sharing
- Continuous improvement mindset
- Problem-solving and troubleshooting
How to Apply
Click the green “Go Apply” button below to apply directly online with the employer.
About Other IT/Computer Jobs in Gauteng
The IT and computer industry is one of the most dynamic and growing sectors in Gauteng, with a thriving job market that offers a wide range of opportunities for career advancement.
In terms of salary ranges, IT professionals in Gauteng can expect to earn anywhere from R800 000 per annum for junior positions to over R2 million for senior executives. The average salary for software engineers is around R1.5 million, while data analysts can earn between R900 000 and R1.2 million. With experience and skills, IT professionals in Gauteng can expect significant salary increases, with some roles offering bonuses and benefits that can increase their overall remuneration.
To succeed in the IT industry in Gauteng, candidates need to possess a range of key skills, including programming languages such as Java, Python, and C++, as well as experience with databases, cloud computing, and cybersecurity. Strong problem-solving skills, attention to detail, and excellent communication skills are also essential for success in this field. Additionally, knowledge of ITIL (Information Technology Infrastructure Library) and Agile methodologies can be highly valued by employers.
Several major companies and industries in Gauteng are currently hiring IT professionals, including technology firms such as Microsoft, IBM, and Oracle, as well as banks and financial institutions like Standard Bank and Nedbank. The finance industry is also a significant employer of IT staff, with roles ranging from software development to data analytics and cybersecurity.
Career growth opportunities are abundant in the IT industry in Gauteng, with many companies investing heavily in employee training and development programs. With experience and skills, IT professionals can move into senior leadership positions or start their own businesses, while also pursuing further education and certifications. The Johannesburg Stock Exchange (JSE) is also a significant employer of IT staff, with roles ranging from software development to data analytics and cybersecurity.
Overall, the IT industry in Gauteng offers a wide range of exciting career opportunities for job seekers with the right skills and experience. With salaries that are competitive with those offered by major companies globally, there has never been a better time to pursue a career in this dynamic and rapidly evolving field.
This information provides general career guidance. Actual salaries and requirements vary by employer.
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