Senior MuleSoft Platform Operations Engineer (L3)

Decskill; Lisboa; On-site; EUR 60,000 - 90,000; Full time

Job summary

Decskill is growing and seeks a Senior MuleSoft Platform Engineer in Lisbon to join our IT consulting team. You will focus on platform management and operations, ensuring reliability and scalability without doing API development.

You will work with Terraform, GitHub, OpenShift, Argo CI/CD, and cloud services (AWS/Azure). You’ll handle incidents, changes, and deployments, in a collaborative, multicultural environment across Europe.

Qualifications

• 5–7 years of MuleSoft platform management and operations experience.
• Strong expertise in Terraform, GitHub and OpenShift.
• Experience with Argo CI/CD.
• Knowledge of OAuth and OpenID Connect security mechanisms.
• Foundational knowledge of AWS and Azure.
• Knowledge of ITIL processes (incident, problem and change).
• Experience providing L3 support and handling escalations.
• Strong troubleshooting using logs, monitoring tools and diagnostics.
• Experience conducting root cause analysis and corrective actions.
• Automation scripting for operational tasks.
• Experience supporting deployments, releases and production changes.
• Ability to create and maintain operational documentation and SOPs.
• Strong stakeholder engagement and multicultural communication.
• Ability to work autonomously and with cross-functional teams.
• Degree in Computer Science or related field and English C1.
• Availability for on-call and occasional travel.

Responsibilities

• Manage and operate MuleSoft platforms with a focus on reliability and scalability.
• Ensure platform capacity, performance, availability and security.
• Develop and maintain automation scripts for operational tasks.
• Support deployments, releases and production changes.
• Create and maintain SOPs, knowledge articles and docs.
• Engage stakeholders and facilitate workshops in multicultural environments.
• Collaborate with cross-functional teams and external providers.

Skills

Stakeholder engagement

Communication

Autonomy

Cross-functional collaboration

Multicultural workshops

Education

Degree in Computer Science or related field

Tools

MuleSoft

Terraform

GitHub

OpenShift

Argo CI/CD

OAuth / OpenID Connect

AWS

Azure

ITIL processes

XML / XSD / WSDL

SOAPUI

Postman

Silva

Job description

We are growing. And we are looking for talented people.

At Decskill, we believe that technological excellence is driven by human talent.

We are an IT consulting company with more than 10 years of consolidated experience in the market, focused on building long-term relationships with both our clients and our people. Today, we are a community of over 800 professionals, working from Lisbon, Porto, and Madrid, contributing to impactful technology initiatives.

As part of the Astek Group, we combine a strong local culture with a global presence, being active in around 23 countries across 4 continents. This allows us to offer an international context, diverse challenges, and long-term career opportunities, while staying close to our teams.

Are you looking for an environment that values curiosity and commitment? Here, your contribution has real impact and individual growth is taken seriously.

Mandatory Requirements:

• 5-7 years of experience in MuleSoft platform management and operations, with a focus on platform support rather than API development.
• Strong expertise in Terraform, GitHub and OpenShift.
• Experience with Argo CI/CD.
• Knowledge of API security, authentication and authorisation mechanisms, including OAuth and OpenID Connect.
• Foundational knowledge of AWS and Azure.
• Knowledge of ITIL processes, including incident, problem and change management.
• Experience providing L3 support, handling escalations from L2 teams and resolving incidents within agreed SLAs.
• Strong troubleshooting skills using logs, monitoring tools and system diagnostics.
• Experience conducting root cause analysis and recommending corrective actions.
• Experience monitoring platform capacity, performance, availability and scalability.
• Ability to develop and maintain automation scripts for operational tasks.
• Experience supporting deployments, releases and production changes.
• Ability to create and maintain operational documentation, SOPs and knowledge articles.
• Strong stakeholder engagement and communication skills, including the ability to explain technical information and facilitate workshops in multicultural environments.
• Ability to work autonomously and collaborate with cross-functional teams and internal and external providers.
• Degree in Computer Science or a related field.
• English proficiency at C1 level.
• Availability for occasional on-call and out-of-hours support.
• Availability for occasional short-term international travel or temporary relocation.

Nice to Have:

• Knowledge of XML, XSD, WSDL, WS-*, Java and JSON.
• Experience with MuleSoft Omni Gateway / Flex Gateway.
• Understanding of networking fundamentals, including virtual IPs, firewalls and load balancers.
• Experience with certificate lifecycle management.
• Working knowledge of SOAPUI and Postman.
• Knowledge of Silva.

Find with us the right opportunity to grow!

What you can expect from us

• Long-term projects with national and international context
• Opportunities to grow technically and professionally
• A people-first culture, focused on transparency and trust
• Teams that value ownership, collaboration and stability