Sys Admin & Application Production Support Specialist

Decskill; Lisboa; On-site; EUR 40,000 - 60,000; Full time

Job summary

Decskill, an IT consulting company with over 10 years of experience, is seeking a Sys Admin & Application Production Support Specialist in Portugal. You will provide production support across Windows, Linux and Oracle SQL environments, troubleshoot incidents, and work with DevOps practices to enhance platform reliability.

The role requires strong scripting, networking, and English communication, with weekend/holiday support as part of rotation.

Qualifications

• Proficiency in scripting languages and networking across Windows and Linux environments.
• Oracle SQL expertise is required for production support workflows.
• Unix familiarity is a plus for cross-platform tasks.
• Experience with Ansible and DevOps practices is beneficial.
• Understanding ITIL principles supports service management in production operations.

Responsibilities

• Provide IT production support to business teams and ensure service continuity during shifts.
• Investigate, troubleshoot and resolve application and production issues with root-cause analysis.
• Document incidents, solutions and procedures for knowledge sharing.
• Collaborate with technical and business teams to improve platform coverage and reliability.
• Participate in weekend and holiday support according to rotations.

Skills

Scripting languages

Networking

Windows

Linux

English communication

Teamwork

Autonomy

Tools

Oracle SQL

Ansible

Unix

DevOps

ITIL

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.

We are looking for an Sys Admin & Application Production Support Specialist!

Responsibilities:

• Provide IT production support to business teams, understanding business workflows, operational needs and business scenarios.
• Ensure appropriate support coverage during assigned shifts, maintaining service continuity and operational stability.
• Proactively manage tasks and requests received through email, ticketing systems or direct communication.
• Keep business stakeholders, team members and project teams informed about incidents, tasks and ongoing activities.
• Investigate, troubleshoot and resolve application and production issues, identifying underlying causes and potential systemic problems.
• Understand the relationship between incidents, software patches, fixes and releases to support effective problem resolution.
• Document incidents, solutions, procedures and operational activities to ensure effective follow-up and knowledge sharing.
• Train and support team members, sharing technical knowledge and contributing to team development.
• Collaborate with colleagues to improve platform coverage and strengthen operational support capabilities.
• Identify opportunities to improve daily operations by developing scripts and automating repetitive, procedure-based tasks.
• Contribute to continuous improvement initiatives to enhance service quality, efficiency and reliability.
• Collaborate with technical teams and business stakeholders to ensure timely incident resolution and effective communication.
• Participate in weekend, public holiday and bank holiday support according to predefined business needs and team rotation schedules.

Requirements:

• Strong knowledge of scripting languages, networking and Windows and Linux environments.
• Mandatory knowledge of Oracle SQL.
• Familiarity with Unix environments is a plus.
• Knowledge of Ansible and DevOps practices.
• Understanding of ITIL principles and IT service management practices is a plus.
• Experience in Application Production Support, IT Operations or a similar technical support role is valued.
• Ability to troubleshoot technical issues, investigate root causes and identify recurring problems.
• Strong communication and interpersonal skills.
• Accuracy, responsiveness, proactivity and autonomy in managing daily tasks.
• Curiosity and willingness to learn business processes and understand the client's operational needs.
• Strong team spirit and ability to collaborate effectively with colleagues and stakeholders.
• Client-oriented mindset, with a focus on results, service quality and continuous improvement.
• Critical-thinking and problem-solving skills.
• Expert-level English proficiency, both written and spoken, is mandatory.
• Availability to work weekends, public holidays and bank holidays according to a predefined rotation.

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

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.

Decskill is committed to equality and non-discrimination with all our talents. We recruit and promote talent based on diversity and inclusion, regardless of age, gender, ethnicity, race, nationality or any other form of discrimination incompatible with the dignity of the human being.