managing and supporting enterprise-grade Linux systems in an on-premises environment. The successful candidate will be responsible for ensuring the stability, performance, and security of Linux-based infrastructure across production, DR, Dev Ops and stagging environments.
This role involves close collaboration with infrastructure and application teams to maintain a reliable and secure IT infrastructure foundation.
Key Responsibilities
Install, configure, and maintain
Linux servers
(RHEL, CentOS, Ubuntu, or SUSE) across
production, DR, Dev Ops and Stagging
environments.
Perform
system administration tasks
, including patching, performance tuning, log management, and troubleshooting.
Manage
VMware or physical server environments
, ensuring system availability and capacity planning.
Participate in
infrastructure lifecycle management
, including system upgrades, migrations, and hardware refreshes.
Support
backup, restore, and disaster recovery (DR)
operations and periodic DR exercises.
Implement
OS hardening, security compliance, and access control
based on corporate policies.
Maintain
monitoring, alerting, and reporting
for system performance and uptime using enterprise tools (e.g., Grafana, Solarwinds).
Create and maintain
technical documentation
, system inventories, and change records.
Collaborate with
Infrastructure teams
to ensure seamless integration and optimal infrastructure performance.
Provide
support during scheduled maintenance windows
and participate in
standby support
for critical infrastructure incidents.
Requirements
Diploma or Bachelor's degree in
Information Technology, Computer Science, or related discipline
.
3-5 years of solid experience
in Linux infrastructure administration in enterprise environments.
Hands-on experience with
RHEL/CentOS
and
VMware virtualization
.
Strong understanding of
infrastructure components
-- networking, DNS, NTP, storage, and backup.
Familiarity with
hardware platforms
(Dell, HP, IBM) and
firmware management
.
Experience with
system patching and configuration management tools
(YUM, DNF, Ansible, Puppet).
Good understanding of
monitoring and alerting systems
.
Knowledge of
shell scripting
or
automation
(Bash, Python).
Familiarity with
change management
and ITIL-based operational procedures.
Good to Have
Experience with
DR site operations and failover planning
.
Knowledge of
containerization (Podman)
.
Exposure to
backup and restore tools
(Veeam, NetBackup, CommVault etc).
Relevant certifications such as
RHCSA/RHCE
,
Linux+
, or
VMware VCP
.
Soft Skills
Strong analytical and troubleshooting skills.
Responsible, disciplined, and able to work independently under minimal supervision.
Good communication and teamwork, able to coordinate with cross-functional teams.
Proactive in identifying and implementing infrastructure improvements.
5 day week @ East area
Maestro HR
damien lee tian hong
R1106726
16C8462
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