Senior System Engineer (IT Infrastructure)

Senior System Engineer (IT Infrastructure) – Mobitel (Pvt) Ltd

Job Overview

SLT-MOBITEL is seeking a highly skilled and experienced Senior Systems Engineer – IT Infrastructure to join its IT Infrastructure team. This role is ideal for professionals with extensive experience in enterprise IT infrastructure, Linux/Unix administration, virtualization, storage systems, and server technologies. The selected candidate will be responsible for maintaining enterprise IT systems, implementing infrastructure upgrades, supporting business-critical services, and ensuring high availability of IT operations while meeting organizational service level agreements (SLAs).

If you are passionate about enterprise infrastructure technologies and want to build your career with one of Sri Lanka’s leading telecommunications and ICT service providers, this is an excellent opportunity.

Position Details

Job Title: Senior Systems Engineer – IT Infrastructure

Company: SLT-MOBITEL (Pvt) Ltd

Job Category: IT & Software, Engineering & Technical, Private Jobs

Job Type: Full-Time

Workplace Type: On-Site

Job Location: Colombo District, Sri Lanka

Education Level: Bachelor’s Degree in Engineering, Information Technology, or Computer Science from a recognized university

Experience: Minimum 5 Years

Company Overview

SLT-MOBITEL (Pvt) Ltd is Sri Lanka’s national ICT and telecommunications service provider, delivering innovative digital solutions for individuals, businesses, and government organizations. The company offers a comprehensive portfolio of mobile, broadband, cloud, data center, cybersecurity, enterprise networking, and digital transformation services. With a strong commitment to technological innovation and customer excellence, SLT-MOBITEL continues to drive Sri Lanka’s digital future through reliable connectivity and advanced ICT infrastructure.

Qualifications & Experience

• Bachelor’s Degree in Engineering, Information Technology, Computer Science, or a related discipline from a recognized university approved by the University Grants Commission (UGC) or accredited by the Institution of Engineers, Sri Lanka (IESL).
• Minimum of 5 years of experience in IT Systems Infrastructure.
• Hands-on experience with Unix/Linux operating system administration.
• Practical experience with Enterprise Storage Systems.
• Experience managing Enterprise Server environments.
• Hands-on experience with virtualization platforms.
• Experience in backup operations and disaster recovery solutions.
• Knowledge of Data Center Networking and Information Security will be an added advantage.
• Strong analytical and troubleshooting skills.

Key Responsibilities

• Support and maintain enterprise IT systems infrastructure in line with industry standards and best practices.
• Perform firmware and operating system upgrades while applying security patches and vulnerability fixes.
• Install, configure, and maintain standard, customized, and open-source operating systems, software packages, and applications.
• Configure and maintain IT monitoring tools to monitor infrastructure and application performance.
• Lead technical support activities across enterprise-level IT systems.
• Provide operational support for internal and external stakeholders while ensuring agreed service level agreements (SLAs) are achieved.
• Maintain effective communication with users regarding support requests, integrations, and infrastructure services.
• Monitor system performance and recommend improvements to enhance reliability and availability.
• Ensure infrastructure security, stability, and business continuity.

Required Skills

• Linux and Unix system administration.
• Enterprise server management.
• Virtualization technologies.
• Enterprise storage systems.
• Backup and disaster recovery.
• Infrastructure monitoring tools.
• Data center operations.
• Information security fundamentals.
• Technical troubleshooting and problem-solving.
• Communication and stakeholder management.

Salary & Benefits

• Attractive and competitive remuneration package.
• Career advancement opportunities within Sri Lanka’s leading ICT organization.
• Exposure to enterprise-grade infrastructure and modern technologies.
• Professional training and certification opportunities.
• Opportunity to work on large-scale digital transformation projects.
• Supportive and collaborative working environment.

How to Apply

Interested candidates should submit their updated CV via email.

Email: careers@mobitel.lk

Important Notes

• This is a full-time on-site position based in Colombo.
• Applicants must possess a minimum of five years of relevant IT infrastructure experience.
• Experience with Linux/Unix administration, virtualization, enterprise storage, and server technologies is essential.
• Knowledge of data center networking and information security will be considered an added advantage.
• Only shortlisted candidates are likely to be contacted for the recruitment process.