Hybrid System Administrator (Cloud and On-Prem environments)

Indra Philippines, Inc.; Metro Manila; On-site; PHP 1,500,000 - 2,300,000; Full time

Job summary

Indra Philippines, Inc. is seeking an experienced AWS Engineer to administer cloud and on‑prem infrastructure across regional deployments. You will manage VPCs, EC2, IAM, and monitoring while ensuring secure connectivity to MuleSoft CloudHub and data centers.

Responsibilities include cost optimization, automation with Terraform/Ansible, and implementing security hardening. Collaboration with network teams will be essential for DMZ and LAN segments.

Qualifications

• Experience administering AWS infrastructure including VPCs, subnets, route tables, and gateways.
• Experience managing EC2 instances, EBS volumes, security groups, and IAM roles and policies.
• Experience with monitoring tools such as CloudWatch, Prometheus, Grafana, or equivalent.
• Experience with automation tools such as Terraform, CloudFormation, Ansible, or shell/Python scripting.
• Knowledge of on-premises infrastructure administration including servers and storage.
• Knowledge of network segments including DMZ and Corporate LAN.
• Knowledge of load balancers and traffic distribution.
• Knowledge of backup, restore, and disaster recovery procedures.
• Knowledge of security hardening standards and least-privilege access principles.

Responsibilities

• Administer AWS infrastructure in the region, including VPCs, subnets, route tables, NAT/Internet/VPN/Transit Gateways, and multi-AZ deployments.
• Manage EC2 instances, EBS volumes, security groups, and IAM roles and policies across various environments.
• Monitor cloud resource utilization, optimize costs, and right-size workloads.
• Maintain secure connectivity between AWS, on-premises data centers, and MuleSoft CloudHub via Transit Gateway and VPN.
• Administer servers, storage, and supporting systems across data centers.
• Coordinate with network teams on WAF, firewalls, core/distribution/TOR switches for DMZ and corporate LAN.
• Manage load balancers and ensure proper traffic distribution across nodes.
• Monitor system health with CloudWatch/Prometheus/Grafana and respond to alerts within SLA.
• Automate provisioning and operations using Terraform, CloudFormation, Ansible, or scripting.
• Implement and maintain hardening standards across servers, network segments, and cloud resources.

Skills

VPC/Subnet mgmt

EC2 management

Cloud monitoring

Automation tooling

On-prem administration

Network fundamentals

Security hardening

Load balancers

Tools

Terraform

CloudFormation

Ansible

Python scripting

Job description

About the role

Administer AWS infrastructure in the other region/s, including VPCs, subnets, route tables, NAT/Internet/VPN/Transit Gateways, and multi-AZ deployments. Manage on-premises servers, storage, and supporting systems across data centers. Monitor system health, perform patching and upgrades, and maintain secure connectivity between AWS, on-premises data centers, and MuleSoft CloudHub.

Key responsibilities

• Administer AWS infrastructure in the other region/s, including VPCs, subnets, route tables, NAT/Internet/VPN/Transit Gateways, and multi-AZ deployments
• Manage EC2 instances, EBS volumes, security groups, and IAM roles and policies across Production and Non-Production VPCs (Staging/Pre-prod, UAT, Test, Development)
• Monitor cloud resource utilization, optimize costs, and right-size workloads
• Maintain secure connectivity between AWS, on-premises data centers, and MuleSoft CloudHub via Transit Gateway and VPN
• Administer servers, storage, and supporting systems across data centers
• Support DMZ and Corporate LAN segments, including coordination with network teams on WAF, firewalls (DMZ and Corporate), core switches, distribution switches, and TOR switches
• Manage load balancers (external and internal) and ensure proper traffic distribution across nodes
• Monitor system health using tools such as CloudWatch, Prometheus, Grafana, or equivalent; respond to alerts and resolve incidents within SLA
• Automate provisioning, configuration, and routine operations using tools such as Terraform, CloudFormation, Ansible, or shell/Python scripting
• Implement and maintain hardening standards across servers, network segments, and cloud resources

About you

• Experience administering AWS infrastructure including VPCs, subnets, route tables, and gateways
• Experience managing EC2 instances, EBS volumes, security groups, and IAM roles and policies
• Experience with monitoring tools such as CloudWatch, Prometheus, Grafana, or equivalent
• Experience with automation tools such as Terraform, CloudFormation, Ansible, or shell/Python scripting
• Knowledge of on-premises infrastructure administration including servers and storage
• Knowledge of network segments including DMZ and Corporate LAN
• Knowledge of load balancers and traffic distribution
• Knowledge of backup, restore, and disaster recovery procedures
• Knowledge of security hardening standards and least-privilege access principles