Oracle Database Administrator

We’re looking for the special, unique and amazing YOU!

🚀 We’re looking for the special, unique, and amazing YOU! ✨

💡 @ KCS IT, we seek those who stand out 🌟, those who always strive to be better 💪 and fight for it 🏆. We value individuals who share our core principles:

🔥 Dedication

⚡ Energy

🤝 Integrity & Transparency

🔄 Flexibility

🛡️ Trust & Honesty

💼 Hard Work & Proactivity

👥 Teamwork

At KCS IT, we champion equality and embrace diversity 🌍🌈. We foster a safe, inclusive environment where opportunities are equal for all!

❌ We do not discriminate based on age, ethnicity, sexual orientation, gender, disability, or any factor other than merit.

📩 All applications with relevant skills are welcome! 🚀

We are looking for an Amazing: Oracle data base engineer

Seniority: Senior

Type of position: Hybrid (2 per week).

The amazing you, will have:

Professional Experience

• 5–10+ years of experience in Database Administration, particularly in production environments.
• Significant experience in database architecture, high availability, migrations, and large-scale database projects.
• Experience working in multi-customer environments, such as MSPs, outsourcing companies, hosting providers, or IT operators, is highly appreciated.

Oracle Database – Core Expertise

Advanced expertise in Oracle Database administration, including:

• Oracle Database architecture and administration.
• RMAN, Data Guard, and Data Guard Broker.
• Oracle RAC, Grid Infrastructure, and ASM.
• Oracle Enterprise Manager (OEM / Cloud Control).
• Database diagnostics and performance analysis using AWR, ASH, ADDM, SQL Monitor, SQL Trace, and TKPROF.
• Partitioning, optimizer statistics, and SQL Plan Management.
• SQL performance tuning, indexing, and execution plan analysis.
• Backup, recovery, patching, and database upgrade operations.
• SQL Profiles, SQL Plan Baselines, bind variables, and cardinality analysis.

Oracle Ecosystem – Nice to Have

Knowledge of complementary Oracle technologies is considered a strong advantage:

• Oracle WebLogic Server.
• Oracle Service Bus (OSB).
• Oracle APEX.
• Oracle REST Data Services (ORDS).
• Oracle Forms.

Understanding how these technologies interact with Oracle databases, particularly regarding application architecture, dependencies, deployment, and troubleshooting, is highly valued.

High Availability & Disaster Recovery

• Experience designing and operating HA/DR solutions.
• Knowledge of clustering, replication, and planned/unplanned failover procedures.
• Experience ensuring database resilience and business continuity.

Performance & Optimization

• Strong expertise in execution plan analysis and query optimization.
• Advanced knowledge of indexing strategies and statistics management.
• Experience with Oracle wait-event analysis and instance-level tuning.
• Ability to identify and resolve performance bottlenecks across database, OS, storage, and network layers.

Backup & Recovery

• Solid knowledge of native Oracle backup mechanisms and/or enterprise backup solutions.
• Experience handling complex recovery scenarios, including point-in-time recovery, database corruption, and partial data loss.

Systems & Infrastructure

• Experience with Oracle database environments running on AIX and Red Hat Enterprise Linux (RHEL) is highly encouraged.
• Knowledge of OS-level troubleshooting, including filesystems, processes, memory, I/O, networking, and shell scripting.
• Familiarity with HP Serviceguard, BULL ARF (Application Rollover Facility), or similar clustering and high-availability technologies.
• Understanding of Linux Pacemaker and Corosync is a plus.
• Experience with VMware and storage architectures such as SAN and NAS.
• Exposure to managed database platforms and PaaS database services is appreciated.

Why should you become part of our family?

• You can develop a career that fits you: your career development is personalized, taking in consideration your needs and goals from a short to long term
• Interesting Challenges Ahead: you can work for several clients from different sectors of activity
• Free training programs: Our training and certification programs in languages, tech, behavior and business will help you to reach your full potential faster
• International projects in Benelux: you can gain international experience in Benelux and balance a new way of living with work
• Type of projects (depending on the project you might find one of this types of projects):
• In hybrid Systems: Is important to balance work with socialization, that´s why a hybrid system works for us and for you
• Full Remote projects: If you want to work while you enjoy the comfort of your home
• Full Onsite projects: if you prefere the company of your colleagues!
• Take care of your well-being: Enjoy our free nutrition, psicologist, general medicine appointments and our yoga and personal training days… all remote!

Who are we?

Founded in 2008 and based in Lisbon, KCS IT is a consulting company in the field of Information Technology and Services, focused on creating value for our clients through three main areas: Consulting, Outsourcing, Inovation and Training. Our commitment to talent development is unmistakable in the recent opening of the Porto, Leiria and Azores hubs, which aims to develop technology for the national and international market. Since 2018 we have been elected one of the 10 major companies in the “Index of Excellence”, an initiative that aims to reward organizations that invest most in the development and satisfaction of their employees.