About Us:GECO Asia Group of Companies, is a specialist IT Consulting Services company headquartered in Singapore, with two delivery centers in the Philippines.We're expanding our dynamic team and currently on the lookout for a highly skilled Senior Linux Administrator to help manage and scale our critical Linux infrastructure.Position: Senior Linux AdministratorAre you an expert in Linux systems, automation, and cloud infrastructure? Do you thrive in a fast-paced, enterprise-grade environment? If so, we want to hear from you!As a Senior Linux Administrator, you’ll play a key role in maintaining and optimizing our large-scale Linux environments, ensuring performance, security, and scalability across on-premise and cloud systems.Job Requirements & QualificationsMust-Have Technical Skills:Minimum RHCE certification or equivalent Linux administration expertiseDeep experience in Linux technologies and enterprise hardware (e.g., HPE MoonShot, ProLiant servers)Strong experience with Linux automation tools (Ansible, Terraform, AWS/Azure APIs)Experience managing Microsoft Azure cloud environmentsProficiency in at least one scripting language: Shell, Perl, or PythonFamiliarity with RPM/DPKG packaging, large-scale Linux deployments, and automated installation (e.g., Kickstart)Knowledge of Linux virtualization (QEMU/KVM) and monitoring tools (e.g., Zabbix, Prometheus, Nagios)Working knowledge of Active Directory, Azure AD, SAML SSO, VMware, and Windows Server/Desktop OSSolid grasp of TCP/IP networking, IT security concepts, and web architecture (SaaS, PaaS)Nice to Have:Exposure to FreeBSD, embedded Linux, or SIEM tools like SplunkExperience with Thin/Zero Client architectureBackground in SAP on UNIX/Linux, ITIL framework, or Linux Kernel internalsFamiliarity with other UNIX-like systemsBehavioral Skills:Minimum 5 years of senior-level Linux system administrationStrong English communication skills (written and verbal)Proactive and detail-oriented with excellent documentation skillsExperience working in international teamsTeam player with a customer-first mindsetComfortable with enterprise IT change management processesWhy Join Us?Be part of a collaborative and innovative team that values your expertiseEnjoy competitive compensation and career advancement opportunitiesWork in an environment that encourages continuous learning and growthExperience a company culture that supports work-life balanceHow to Apply:Click the "Apply for this job" button or send your updated resume to william.jiloca@geco.asia
