Senior PKI / Platform Engineer – Lead

Queen Square Recruitment; Polska; A distancia; PLN 248.000 - 413.000; Jornada completa

Descripción de la vacante

Queen Square Recruitment Ltd seeks a Senior PKI / Platform Engineer – Lead to own the PKI platform and drive automation across certificate lifecycle, ACME-based workflows, and service identity on a large enterprise platform.

You will define architecture, implement automation, and mentor engineers while collaborating with security and infrastructure teams in a fully remote, 6-month contract based in Poland.

Formación

• 8+ years' experience in infrastructure engineering.
• Strong enterprise PKI experience.
• Hands-on experience with certificate lifecycle management.
• Experience with ACME protocols and certificate automation.
• Exposure to certificate providers such as Let’s Encrypt, Sectigo, HydrantID or DigiCert.
• Linux and Windows server administration.
• Experience designing certificate inventory and observability solutions.
• Strong PKI architecture and understanding of HSM concepts.
• Experience with service identity management and REST APIs.
• Strong Python and/or PowerShell automation skills.
• Experience with cloud platforms like Azure and AWS.
• Experience with multiple certificate authorities and automated workflows.

Responsabilidades

• Take overall technical ownership of the PKI and platform engineering workstream.
• Define and develop the target technical architecture.
• Design enterprise PKI and certificate lifecycle management solutions.
• Develop automation patterns for certificate issuance, renewal and management.
• Implement and integrate ACME-based certificate automation.
• Support DNS automation and integration with DNS providers.
• Develop certificate inventory and observability capabilities.
• Establish service identity management approaches.
• Provide technical guidance to contractors and engineers.
• Work with security, infrastructure and stakeholders to ensure compliance and security.
• Help transition solutions into operational environments.
• Mentor engineers and lead technical workstreams.

Conocimientos

Senior leadership

Python

PowerShell

REST APIs

Stakeholder management

Communication

Herramientas

ACME protocols

Let’s Encrypt

Sectigo

HydrantID

DigiCert

Azure

AWS

Linux

Windows Server

Descripción del empleo

Rate: Hourly rate, dependent on experience

Working arrangement: Fully remote

We are looking for an experienced Senior PKI / Platform Engineer – Lead to take overall technical ownership of an enterprise platform focused on PKI, certificate lifecycle management, automation and service identity.

This is a senior technical role requiring strong infrastructure engineering experience, with the ability to define target architecture, establish automation patterns and provide technical guidance across the wider engineering team.

Key Responsibilities

• Take overall technical ownership of the PKI and platform engineering workstream
• Define and develop the target technical architecture
• Design enterprise PKI and certificate lifecycle management solutions
• Develop automation patterns for certificate issuance, renewal and management
• Implement and integrate ACME-based certificate automation
• Support DNS automation and integration with DNS providers
• Develop certificate inventory and observability capabilities
• Establish service identity management approaches
• Provide technical guidance and support to other contractors and engineers
• Work closely with security, infrastructure and other technical stakeholders
• Ensure solutions meet security, compliance and operational requirements
• Support the transition of solutions into operational environments
• 8+ years' experience in infrastructure engineering
• Strong enterprise PKI experience
• Hands‑on experience with certificate lifecycle management
• Experience with ACME protocols and certificate automation
• Exposure to certificate providers such as Let’s Encrypt, Sectigo, HydrantID or DigiCert
• Linux and Windows server administration
• Experience designing certificate inventory and observability solutions
• Strong PKI architecture
• Understanding of HSM concepts
• Experience with service identity management
• Strong Python and/or PowerShell automation skills
• Experience working with REST APIs
• Good understanding of Azure and AWS
• Strong awareness of security and compliance controls
• Experience working in large enterprise environments
• Experience designing highly automated infrastructure platforms
• Experience with cloud-native security and identity solutions
• Experience working with multiple certificate authorities
• Experience leading technical workstreams or mentoring other engineers
• Strong stakeholder management and communication skills

What We Are Looking For

We are looking for someone who can operate at both technical leadership and hands‑on engineering level. You should be comfortable defining the architecture, challenging existing approaches, developing automation solutions and working directly with engineers and stakeholders to deliver the platform.

This is a fully remote 6-month contract opportunity for candidates based in Poland.