Network Engineer V - Infrastructure Engineer

Astreya Partners Inc. Under the name Astreya PHP, Philippine Branch; Taguig; Remote; PHP 1,200,000 - 1,800,000; Full time

Job summary

Astreya PHP, Philippine Branch, is seeking a highly technical Senior IT Infrastructure Engineer to join a remote global team. You will design, deploy, and document shared computing systems, manage VMware clusters, and administer Azure resources with a focus on security and automation.

You will own end-to-end lifecycle for SSL/TLS certificates, patch management, and SSO integration using Microsoft Entra ID, while coordinating with cross-functional teams on complex migrations and high-availability

Qualifications

• Bachelor’s degree in a four-year college or university and 8+ years of IT experience or equivalent.
• Certifications in Microsoft Azure, Windows Server, VMware, or Cisco are a strong plus.
• Advanced Windows Server administration with deep Active Directory expertise.
• Hands-on experience with virtualization and cloud infrastructure (VMware clusters, Azure VMs).
• Experience with Azure resource management, including load balancers and application registrations.
• Strong identity and access management, including SSO with Microsoft Entra ID.
• Deep PKI knowledge, SSL/TLS lifecycle management across enterprise environments.
• General network administration in Cisco-based environments; storage management basics.
• Proven experience planning and executing server migrations and automation to reduce manual work.

Responsibilities

• Provide Level III escalation support for complex technical issues.
• Document solutions and develop repeatable processes for L1/L2 engineers.
• Scope, design, and deploy new infra systems and migrations.
• Manage VMware clusters for resilient, high-performance virtualization.
• Administer Azure resources, configure load balancers, and manage app registrations.
• Configure and maintain SSO with Microsoft Entra ID.
• Oversee SSL/TLS certificate lifecycles across servers, load balancers, and cloud.
• Oversee patch management to ensure security and compliance (Ivanti a plus).
• Drive automation and scripting to improve operational efficiency.

Skills

Windows Server Administration

Active Directory

VMware

Azure VMs & resources

SSL/TLS certificate lifecycle

PKI management

Automation & scripting (PowerShell, Py

Education

Bachelor’s degree in a related field

Tools

Ivanti Patch Management

Load Balancers

Microsoft Entra ID

SSL/TLS tooling

Cisco networking basics

Job description

About the Role

We are seeking a highly technical individual to join one of our client's remote infrastructure teams. Working knowledge of a variety of computing technologies—including Windows Server, Azure VMs, VMware, storage systems, patch management, backup systems, and Active Directory—is strictly required. This role demands the ability to coordinate effectively with cross‑functional teams while possessing the drive to work independently on complex technical initiatives.

Scope of Work

Design and Implement: Architect, document, and deploy shared computing systems that support core organizational functions and guarantee high availability.

Documentation: Create, evaluate, and maintain comprehensive technical documentation for all infrastructure systems and standard operating procedures.

Strategic Planning: Gain organizational commitment for infrastructure systems and server deployment plans. Evaluate and select all shared computing technologies required to achieve organizational goals.

Key Roles and Responsibilities

• Provide Level III escalation support for complex technical issues and problems.
• Document technical solutions and build repeatable processes for Level I & II engineers to follow.
• Scope, design, and deploy new infrastructure systems, including executing complex server migrations.
• Manage and optimize VMware clusters to ensure resilient and high‑performing virtualization environments.
• Administer general Azure resources, specifically configuring load balancers and managing enterprise application registrations.
• Configure, deploy, and maintain Single Sign‑On (SSO) integrations utilizing Microsoft Entra ID.
• Own the end‑to‑end lifecycle for all SSL/TLS certificates, including provisioning, deployment, proactive renewal tracking, and troubleshooting across physical servers, load balancers, and cloud environments.
• Administer enterprise patch management routines to ensure system security and compliance (Ivanti experience is a strong plus).
• Drive continuous process improvement through heavy emphasis on automation and scripting.
• Other duties as required.

Required Qualifications & Skills

• Bachelor’s degree (B.S./B.A.) from a four‑year college or university and 8+ years of related IT experience; or an equivalent combination of education and training.
• Relevant industry certifications (e.g., Microsoft Azure, Windows Server, VMware, or Cisco) are a strong plus.
• Advanced Microsoft Windows Server administration skills, including deep expertise in Active Directory.
• Advanced hands‑on experience with virtualization and cloud infrastructure, specifically managing VMware clusters and Azure VMs.
• Proven experience with general Azure resource management, including deploying load balancers and handling application registrations.
• Strong proficiency in identity and access management, specifically configuring and troubleshooting SSO with Microsoft Entra ID.
• Deep understanding of Public Key Infrastructure (PKI) and extensive hands‑on experience managing, deploying, and auditing SSL/TLS certificate lifecycles across an enterprise footprint.
• General network administration experience within a Cisco‑based environment.
• Solid foundational knowledge of enterprise storage management.
• Proven track record of planning and executing seamless server migrations.
• Strong automation and scripting experience (e.g., PowerShell, Python) to reduce manual administrative overhead, particularly regarding certificate renewals and deployment.
• Experience working within structured ticketing systems and adhering to strict IT processes, including a strong discipline for change control management.
• Excellent written and verbal communication skills, with the ability to translate complex technical concepts to non‑technical stakeholders.

About Astreya

Astreya is a global IT managed services provider dedicated to creating technology solutions that are reliable and human‑centered. We partner with the world’s most innovative organizations to optimize modern IT environments across the digital workplace, cloud, data, AI, and enterprise platforms. Our people are our strength. Across regions and roles, Astreyans bring deep expertise, curiosity, and a commitment to excellence. We believe great technology starts with great humans, which is why we invest in learning, collaboration, and career growth. At Astreya, transparency, accountability, and trust guide how we work with each other and our customers. We foster an inclusive culture where diverse perspectives are valued and everyone has the opportunity to make an impact. Join us to build solutions that matter and shape the future of IT together. Onwards and upwards!