Senior Technical Application Engineer

Keylane is a leading European supplier of modern SaaS platforms for the insurance and pension industry. We enable our clients to innovate, remain competitive and deliver excellent services to their customers by running their core processes on our cloud platforms. 

As part of our SaaS organization, we operate multiple business-critical Life & Pension platforms, including LeanApps and Lifetime, delivered from our secure, ISO-certified private cloud. These platforms support some of the largest insurers and pension providers in the Netherlands and beyond. 

Key about your role 

As a Senior Technical Application Engineer, you are one of the key technical experts responsible for the stability, security, performance, and continuous improvement of our Life & Pension application landscape. 

The role has a strong focus on the LeanApps technology stack (Linux, Oracle, WebLogic, Java) while also supporting selected Lifetime platform components (Windows Server, IIS, Tomcat, SQL Server). 

In this senior role you: 

• Take ownership of complex incidents, problems, and technical escalations across multiple customer environments. 

• Guard and improve application availability, resilience, and performance by implementing structural improvements and preventive measures. 

• Design, plan, and execute patching and upgrade cycles for the underlying technology stack, including: 

• Oracle WebLogic 

• Oracle Database 

• Red Hat Enterprise Linux 

• Java 

• Windows Server 

• Tomcat 

• SQL Server 

• Manage the full lifecycle of client and server certificates, ensuring secure deployment and timely renewals. 

• Support application and integration provisioning, including deployments, whitelisting, network and security configurations, and end-to-end validation. 

• Drive capacity management and monitoring across application, middleware, database, and infrastructure layers. 

• Play a leading role in disaster recovery testing, failover exercises, penetration tests, and external audits. 

• Automate operational activities through scripting, tooling, and configuration management. 

• Contribute to the standardization of operational processes, runbooks, and technical documentation. 

• Collaborate closely with Product Development, SaaS Platform teams, Database Administrators, Security teams, and customer stakeholders. 

• Mentor junior engineers and actively contribute to knowledge sharing within the team. 

You are comfortable making decisions in complex situations, balancing customer expectations, operational risk, security requirements, and business priorities. 

Key about your team 

You will be part of Keylane’s Technical Application Management (TAM) organization. 

Our teams: 

• Deliver best-in-class SaaS services from a secure, ISO-certified private cloud. 

• Support business-critical applications used by leading insurers and pension providers. 

• Consist of highly skilled specialists in Linux, Windows, databases, middleware, automation, security, and cloud operations. 

• Work with standardized processes for implementations, migrations, releases, patching, and operational support. 

• Continuously improve operational excellence through automation, standardization, and knowledge sharing. 

• Value ownership, collaboration, innovation, and continuous learning. 

You recognize yourself in the following profile:

• You have at least a completed HBO Beta or academic degree in Information Technology or a related field.
• You have 5+ years of experience in technical application management, infrastructure engineering, middleware engineering or a similar role supporting business-critical applications.
• You have experience working in regulated or highly available enterprise environments.
• You have strong hands-on experience with Oracle WebLogic, Oracle Database administration and troubleshooting, and Red Hat Enterprise Linux (RHEL 8/9).
• You are familiar with Java-based application environments and understand how application, middleware and infrastructure components work together.
• You have practical experience with security hardening, patching and vulnerability management.
• You have a solid understanding of certificates (PKI), networking, firewalls, proxies and load balancers.
• You have experience with Windows Server, Tomcat, IIS and SQL Server.
• You are comfortable with scripting and automation using Bash, PowerShell or Python, and have experience with monitoring, deployment and configuration management tools such as Ansible or Puppet.
• Experience with SaaS operations, cloud-hosted enterprise applications and ITIL-based operational processes is a plus.
• Experience in the insurance, pension or financial services domain is a strong plus.
• You are analytical, structured and pragmatic, able to quickly assess complex situations and determine the right priorities.
• You are a communicative team player with a proactive, ownership-driven mindset and can translate technical issues into business impact.
• You are willing to participate in the standby/on-call rota and occasionally work outside regular office hours.

A Certificate of Conduct (VOG) and reference check are part of the application process. All employees follow information security training and have basic information security responsibilities. 

• A monthly gross salary between € 4.250 and € 5.000 based on 40 hours per week.

• 8% holiday allowance of your total gross salary.
• A profit share.
• A pension scheme, with the option to save extra.
• Travel reimbursement: Receive a mileage allowance of €0.23 per km or an NS Business Card, which can also be used for personal travel
• 24 holiday days (with the option to buy extra) and 7 inclusion days, which can be exchanged with fixed Dutch national holidays, allowing you to take them when you like.
• Flexibility in working environment. As part of a hybrid working team, you will work partly from home and partly from the office. If you work in the office, a free lunch is waiting for you every day. If you work from home, you will receive a working from home allowance (€ 4 net per day) and internet allowance (€ 35 net per month).
• The possibility of working remotely from abroad for up to 2 months per year.
• The possibility to lease a bike through our bike leasing program.
• A one-year contract that, subject to satisfactory performance, will be converted into a permanent contract.
• The opportunity to develop yourself at our Academy through courses and training, both professionally and personally. · A comprehensive vitality offers to help you stay healthy. Read more here