Application Support Engineer

Fyld; Lisboa, Porto; On-site; EUR 42,000 - 54,000; Full time

Job summary

Fyld is seeking an experienced Application Support Engineer to keep business-critical applications reliable, stable, and available. You will diagnose incidents, perform root-cause analysis, and collaborate with development to resolve defects.

Strong SQL, REST API experience, and ITIL/ITSM familiarity are essential. Ideal candidates have 3+ years in application support, with Linux/Windows proficiency and experience with ServiceNow or Jira.

Qualifications

• Degree in Computer Science, IT, or Software Engineering.
• Minimum 3 years in Application/Production Support or similar.
• Experience supporting business-critical applications in production.
• Strong incident management, troubleshooting and root cause analysis.

Skills

Incident management

Troubleshooting

Root cause analysis

SQL

REST APIs

ITSM

ServiceNow

Jira

Linux/Windows

Git

Agile/ITIL

English fluency

Education

Degree in Computer Science

Information Technology

Software Engineering

Tools

ServiceNow

Jira

Git

SQL clients

Job description

Fyld is hiring: Application Support Engineer

At Fyld, we believe the future is built with people, technology, and strong values.
We are a Portuguese consulting company that operates with transparency, respect, and a focus on everyone’s growth.

Here, every project is an opportunity to build real, scalable, and high-quality technology solutions.

Our philosophy? Code for Big Solutions — because we don’t just build software to make things work, we build solutions that create real impact.

We’re looking for an experienced Application Support Engineer with strong troubleshooting skills and a passion for keeping business-critical applications reliable, stable and available.

By joining Fyld, you’ll be part of a team where every member is challenged to innovate, collaborate and grow.

Your Profile:

• Degree in Computer Science, Information Technology, Software Engineering, or a related field


• Minimum of 3 years of professional experience in Application Support, Production Support, Application Operations or a similar role


• Professional experience supporting business-critical applications in production environments


• Strong experience in incident management, troubleshooting and root cause analysis


• Good knowledge of SQL and experience querying relational databases


• Experience analysing application logs, errors and system behaviour


• Experience working with REST APIs and integrations


• Familiarity with ITSM processes, including incident, problem and change management


• Experience with ticketing and service management tools such as ServiceNow, Jira or similar


• Ability to investigate technical issues across application, database and infrastructure layers


• Experience with application monitoring and alerting tools


• Good understanding of software releases, deployments and production environments


• Experience working with development teams to identify and resolve application defects


• Ability to document incidents, solutions, known errors and operational procedures


• Good understanding of Linux and/or Windows environments


• Good knowledge of Git and version control practices


• Strong analytical and problem-solving skills


• Ability to work under pressure and manage incidents according to defined priorities and SLAs


• Ability to work effectively in Agile and/or ITIL-based environments


• Fluency in English

Nice to Have:

• Experience with Python, PowerShell or Bash scripting


• Familiarity with Docker and containerised applications


• Experience with cloud platforms such as AWS, Azure or GCP


• Knowledge of CI/CD pipelines and deployment automation


• Experience with monitoring and observability tools such as Grafana, Prometheus, ELK or similar


• ITIL certification


• Experience with high-availability or 24/7 production environments

Our Values:

• Critical thinking and autonomy


• Focus on meaningful solutions and real results


• Respect, transparency, and continuous growth

What you’ll find at Fyld:

• A collaborative team that values individual progress


• Access to continuous training and certifications


• A culture of proximity, respect, and recognition


• Challenging, purpose-driven projects where your expertise as an Application Support Engineer has real impact

Fyld. Code for what really matters.