Linux Engineer / Linux System Engineer

Singapore 13 days agoContractor External
Negotiable
Avensys is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation and managed services. Given our decade of success, we have evolved to become one of the top trusted providers in Singapore and service a client base across banking and financial services, insurance, information technology, healthcare, retail and supply chain. Job Summary: We are seeking a skilled Linux System Engineer to design, implement, and maintain robust Linux-based infrastructure in support of business-critical applications. The ideal candidate will be responsible for ensuring system reliability, scalability, and security across on-premise and cloud environments. Key Responsibilities: • Install, configure, and maintain Linux servers (e.g., RHEL, CentOS, Ubuntu, SUSE) in production and development environments. • Perform system monitoring, tuning, and troubleshooting to ensure high availability and performance. • Manage user accounts, file systems, and security policies. • Implement and manage backup and disaster recovery strategies. • Automate administrative tasks using shell scripting or tools such as Ansible, Puppet, or Chef. • Support network services (DNS, DHCP, NTP, LDAP, SSH, SMTP, etc.) and troubleshoot related issues. • Collaborate with application and network teams to deploy and support mission-critical systems. • Manage and monitor system patching, kernel upgrades, and security hardening. • Participate in on-call support rotation and provide incident response and root cause analysis. • Maintain comprehensive documentation for system configurations, procedures, and changes. Required Qualifications: • Diploma or Bachelor’s degree in Computer Science, Information Technology, or related field. • 3–5 years of hands-on experience managing Linux-based systems in enterprise environments. • Strong understanding of Linux OS internals, system administration, and troubleshooting. • Experience with shell scripting (Bash, Python, Perl, etc.) for automation. • Familiarity with virtualization and containerization technologies (VMware, Docker, Kubernetes). • Solid knowledge of networking protocols and services (TCP/IP, SSH, NFS, firewalls). • Experience with system monitoring tools (Nagios, Zabbix, Prometheus, Grafana). • Excellent communication and problem-solving skills. Preferred Qualifications (Nice to Have): • Red Hat Certified Engineer (RHCE), Linux Foundation Certified Engineer (LFCE), or similar certifications. • Experience with cloud platforms (AWS, Azure, or Google Cloud). • Familiarity with CI/CD pipelines and DevOps practices. • Knowledge of security compliance frameworks (e.g., ISO 27001, MAS TRM). Who can apply for this job: • Candidate must be in Singapore • Must be available for the face-to-face interview in Singapore. • Singapore Local Candidates. You will be remunerated with an excellent base salary and entitled to attractive company benefits. Additionally, you will get the opportunity to enjoy a fun and collaborative work environment, alongside a strong career progression. To submit your application, please apply online or email your UPDATED CV to ashwak@aven-sys.com or +65 6761 9833 . Your interest will be treated with strict confidentiality. CONSULTANT DETAILS: Consultant Name : Ashwak Ahmed S Avensys Consulting Pte Ltd EA Licence 12C5759 Privacy Statement: Data collected will be used for recruitment purposes only. Personal data provided will be used strictly in accordance with the relevant data protection law and Avensys' privacy policy.