Tier 2 Support Engineer (Public Key Infrastructure)

 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 PKI 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

Primary Requirement

• PKI key generation & algorithms

• Understands public & private keys, generation and algorithms 

• 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

• Knowledge of cryptographic concepts (ciphers, token types, TLS protocols, algorithms, key generation)

• Experience with PKI tools such as:

  • OpenSSL

  • Keystore Explorer

  • EJBCA (ejbca.sh)

  • ClientToolbox or similar tools

• Experience with Azure Cloud

• Familiarity with Docker and Kubernetes

• Solid background in Networking fundamentals

• Experience working with SQL databases and SQL scripting

• Proficiency in Linux OS and Windows Server environments

• Understanding of OAuth and modern authentication flows

• Experience supporting enterprise-scale security or infrastructure systems

 

What You Bring

• Bachelor’s degree in Computer Science, IT, Cybersecurity, or equivalent experience

• 1-3 years of experience in PKI, cybersecurity, infrastructure, or cryptography-related roles

• Amenable to working onsite 3 times per week at Sheridan Business Center, Mandaluyong City

• Strong understanding of Public and Private Keys and cryptographic fundamentals

• Hands-on experience with PKI concepts and certificate chains

 

Hiring Process

We utilize AI tools to enhance hiring efficiency and ensure a fair evaluation. Consequently, candidates will engage with an AI Interviewer, supervised by Human Talent Acquisition Experts who will support your entire application journey.

Our AI Expectations: While we encourage you to use AI for CV refinement and research, we require that all interviews and assessments be completed through your own authentic effort. The use of real-time AI assistance during interviews or to complete skills tests is strictly prohibited to ensure a fair and genuine evaluation of your capabilities.

 

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.