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Inetum

Global IT services for digital transformation

Layer7 API Services Administrator / Engineer

Site Reliability EngineeringConfirmed live in the last 24 hours
Full-timeLisbon, PortugalNo salary listedHybrid

About the Job

Requirements

  • 5–10+ years of experience in API platform administration within production environments.
  • Strong background in Layer7 API Gateway (Broadcom/CA) administration, configuration, and support.
  • Solid knowledge of API technologies, including REST and SOAP, and authentication and authorization mechanisms.
  • Strong expertise in SSL/TLS, certificate management, and API security concepts.
  • Good understanding of Linux/Unix or Windows Server environments, operating-system-level troubleshooting, and middleware operations.
  • Knowledge of networking fundamentals, including TCP/IP, DNS, firewalls, load balancers, and proxies.
  • Experience with monitoring tools, incident management, and ITIL-aligned change processes.
  • Fluent English is required.
  • Ability to perform root-cause troubleshooting and manage priorities under pressure.
  • Ability to collaborate with cross-functional technical teams.
  • Ability to work autonomously and in demanding, service-level-agreement-driven environments.

Responsibilities

  • Design, configure, and evolve API services on the Layer7 platform, ensuring performance, availability, and compliance with organizational standards.
  • Perform advanced L3 administration, troubleshoot complex incidents, and lead root-cause analysis across API gateway, security, networking, and integration layers.
  • Manage API deployments and migrations across development, user acceptance testing, and production environments, ensuring safe, controlled, and auditable release processes.
  • Administer Layer7 API Gateway instances, portals, and related components, supporting onboarding, publication, and governance of API services.
  • Manage the lifecycle of digital certificates, including creation, renewal, installation, and validation, ensuring secure API communication.
  • Configure and maintain SSL/TLS, IP whitelisting, access-control policies, and other security mechanisms aligned with best practices.
  • Perform platform patching, upgrades, and preventive maintenance, ensuring stability and operational readiness.
  • Monitor platform health, including processes, memory, databases, and system components, proactively addressing performance or availability risks.
  • Investigate and resolve incidents, provide L2/L3 support, and coordinate with cross-functional technical teams when required.
  • Create and maintain operational procedures, runbooks, and technical documentation to support platform governance and continuous improvement.

Desired Qualifications

  • Experience working in multi-customer or service-center environments, such as managed service provider or outsourcing environments, is highly valued.
  • French or Dutch language proficiency is a plus.

About the Company

Inetum

Global IT services for digital transformation

Inetum provides IT services for digital transformation in 26 countries, serving enterprises, SMEs, and public sector clients. It offers cybersecurity, cloud computing, predictive maintenance, and augmented reality, delivered through consulting, managed services, and proprietary software. It differentiates itself through a broad service portfolio, strategic partnerships with Microsoft and Sage, and a focus on tailoring solutions to fit each client’s needs. Its goal is to help clients adapt to a changing digital landscape, improving business agility and creating economic, managerial, and social opportunities.

Company size
1,001-5,000
Company stage
IPO
Headquarters
Saint-Ouen, France
Founded
1995

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