Tier 2 Support Engineer (Public Key Infrastructure)

Penbrothers International; Mandaluyong; Hybrid; PHP 600,000 - 900,000; Full time

Job summary

Penbrothers International is building a talent pool for Tier 2 Support Engineers to support enterprise PKI projects, certificate lifecycles, and secure integrations across cloud, on-prem, and containerized environments.

The role focuses on PKI design and operations, TLS/SSL, troubleshooting, and working with Azure, Docker, and Kubernetes in Linux and Windows Server ecosystems; onsite 3x/week in Mandaluyong.

Qualifications

• Bachelor’s degree in Computer Science, IT, Cybersecurity, or related field (or equivalent experience)
• 3+ years of experience in infrastructure, system administration, or cloud support roles
• Strong analytical and troubleshooting skills
• Strong hands‑on experience with: Linux (administration and troubleshooting); Windows Server environments; Microsoft Azure
• Solid understanding of PKI concepts
• Public/private key fundamentals
• Certificate lifecycle awareness
• Ability to troubleshoot system and application-level issues
• Familiarity with Microsoft ecosystem tools and services
• Amenable to working onsite 3x/week at Rockwell Business Center, Sheridan St., Mandaluyong City

Responsibilities

• Design, implement, and support Public Key Infrastructure (PKI) solutions.
• Manage the certificate lifecycle (issuance, renewal, expiration, revocation, error handling).
• Troubleshoot certificate-related issues including missing, expired, or misconfigured certificates.
• Work with CRLs and OCSP for certificate revocation and distribution.
• Perform log analysis to diagnose cryptographic, TLS, and certificate-related issues.
• Support TLS protocols, ciphers, token formats, and key generation algorithms.
• Integrate PKI services using protocols such as ACME, CMP, EST, SCEP, and REST APIs.
• Deploy and support PKI in Azure cloud environments.
• Support containerized workloads using Docker and Kubernetes (K8s).
• Troubleshoot issues involving proxies, load balancers, and network layers.
• Work across Linux and Windows Server environments.
• Collaborate with security, platform, and infrastructure teams to ensure secure system design.

Skills

PKI concepts

Linux

Windows Server

Microsoft Azure

Docker

Kubernetes

Education

Bachelor’s degree in Computer Science, IT, Cybersecurity, or related field

Job description

About Penbrothers

Penbrothers is an HR & remote talent management partner and one of the fastest-growing companies in the Philippines. We provide talented Filipinos with global opportunities in high-growth startups and dynamic companies, from the comfort of their own homes.

About the Client

Our client is a global leader in digital trust, PKI, and machine identity management, helping organizations manage and secure keys, certificates, and identities across cloud, containers, and enterprise environments. As digital ecosystems grow, we enable secure, scalable, and automated cryptographic operations.

About the Role

We are building a talent pool for Tier 2 Support Engineers to support enterprise scale certificate and key management initiatives. This role focuses on Public Key Infrastructure (PKI), certificate lifecycle management, cryptographic systems, and secure integrations across cloud, containerized, and on-prem environments.

What You'll Do

• Design, implement, and support Public Key Infrastructure (PKI) solutions.
• Manage the certificate lifecycle (issuance, renewal, expiration, revocation, error handling).
• Troubleshoot certificate-related issues including missing, expired, or misconfigured certificates.
• Work with CRLs and OCSP for certificate revocation and distribution.
• Perform log analysis to diagnose cryptographic, TLS, and certificate-related issues.
• Support TLS protocols, ciphers, token formats, and key generation algorithms.
• Integrate PKI services using protocols such as ACME, CMP, EST, SCEP, and REST APIs.
• Deploy and support PKI in Azure cloud environments.
• Support containerized workloads using Docker and Kubernetes (K8s).
• Troubleshoot issues involving proxies, load balancers, and network layers.
• Work across Linux and Windows Server environments.
• Collaborate with security, platform, and infrastructure teams to ensure secure system design.

What You Bring

• Bachelor’s degree in Computer Science, IT, Cybersecurity, or related field (or equivalent experience)
• 3+ years of experience in infrastructure, system administration, or cloud support roles
• Strong analytical and troubleshooting skills
• Strong hands‑on experience with:
  • Linux (administration and troubleshooting)
  • Windows Server environments
  • Microsoft Azure
• Solid understanding of PKI concepts
  • Public/private key fundamentals
  • Certificate lifecycle awareness
• Ability to troubleshoot system and application-level issues
• Familiarity with Microsoft ecosystem tools and services
• Amenable to working onsite 3x/week at Rockwell Business Center, Sheridan St., Mandaluyong City

Our Hiring Process & AI Disclaimer

We use AI tools to streamline our application process—including an initial conversation with an AI Interviewer. All hiring decisions are made entirely by humans: our Talent Acquisition team guides your full candidate journey and makes all evaluation decisions.

You are welcome to use AI for CV refinement and research, but real-time AI assistance during interviews or skill assessments is strictly prohibited to ensure an authentic evaluation.

Read our full AI Disclaimer to learn more.

What You’ll Get

At Penbrothers, we are obsessed with creating positive employee experiences. Here you’ll find an environment that nurtures learning and provides opportunities for growth. You’ll have the opportunity to make an impact on fast-growing startups and dynamic companies.

• Meaningful work & Growth: We take every opportunity to stretch ourselves and deliver an excellent client experience.
• Employee as our biggest asset: We are genuinely invested in our people’s career and welfare.
• Global reach & local impact: Get to work with high-growth startups and dynamic companies from the comfort of your own home.
• Powering global startups: We’ve created 1,400 Filipino jobs that empower global start-ups to focus on growth.