Mid-Level, Senior
AWS System Administrator
AWS System Administrator
Location: Philippines, 00, PH
Profile: IT Infrastructures
Required experience:
Working mode:
Responsibilities:
Cloud Infrastructure
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Administer AWS infrastructure in the Singapore region, including VPCs, subnets, route tables, NAT/Internet/VPN/Transit Gateways, and multi-AZ deployments.
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Manage EC2 instances, EBS volumes, security groups, and IAM roles and policies across Production and Non-Production VPCs (Staging/Pre-prod, UAT, Test, Development).
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Monitor cloud resource utilization, optimize costs, and right-size workloads.
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Maintain secure connectivity between AWS, on-prem data centers, and MuleSoft CloudHub via Transit Gateway and VPN.
On-Premises Infrastructure
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Administer servers, storage, and supporting systems across data centers.
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Support DMZ and Corporate LAN segments, including coordination with network teams on WAF, firewalls (DMZ and Corporate), core switches, distribution switches, and TOR switches.
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Manage load balancers (external and internal) and ensure proper traffic distribution across nodes.
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Maintain MPLS connectivity, failover readiness, and DR procedures between data centers.
Operations & Reliability
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Monitor system health using tools such as CloudWatch, Prometheus, Grafana, or equivalent; respond to alerts and resolve incidents within SLA.
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Perform patching, upgrades, and capacity planning across hybrid environments with minimal downtime.
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Design and execute backup, restore, and disaster recovery procedures; participate in DR drills.
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Maintain on-call rotation for production support.
Automation & Documentation
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Automate provisioning, configuration, and routine operations using tools such as Terraform, CloudFormation, Ansible, or shell/Python scripting.
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Maintain accurate documentation of architecture, runbooks, change records, and standard operating procedures.
Security & Compliance
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Implement and maintain hardening standards across servers, network segments, and cloud resources.
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Manage secrets, certificates, and access controls following least-privilege principles.
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