Oracle DBA Engineer
First seen by Alion on Nov 10, 2026.
We’re looking for the special, unique and amazing YOU!
@ KCS IT, we look for the ones that stands out, for those that always wants to be better and fight for it, and for those who has the same values that we do: dedication, energy, integrity, transparency, flexibility, trust, honesty, hard work, proactivity, team work.
At KCS we stand for equality and value diversity. We create a safe, diverse environment where opportunities are equal for everyone! We do not discriminate based on age, ethnicity, sexual orientation, gender, disability or any factor other than merit. All applications with skills for the position are welcome!
We are looking for an Amazing: Oracle DBA Engineer
Seniority: Senior (5+ years)
Type of position: Hybrid in Lisbon. The candidate has to be already in Portugal!
The amazing you, will have:
- 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 valued.
- Oracle Database architecture and administration.
- Oracle RAC, Grid Infrastructure, and ASM.
- RMAN, Data Guard, and Data Guard Broker.
- 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.
- SQL Profiles, SQL Plan Baselines, bind variables, and cardinality analysis.
- Backup, recovery, patching, and database upgrade operations.
- Experience designing and operating HA/DR solutions.
- Knowledge of clustering, replication, and planned/unplanned failover procedures.
- Experience ensuring database resilience and business continuity.
- 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.
- Solid knowledge of native Oracle backup and recovery mechanisms.
- Experience with enterprise backup solutions.
- Experience handling complex recovery scenarios, including point-in-time recovery, database corruption, and partial data loss.
- Experience with Oracle database environments running on AIX and Red Hat Enterprise Linux (RHEL).
- 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.
- Knowledge 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.
- Oracle WebLogic Server.
- Oracle Service Bus (OSB).
- Oracle APEX.
- Oracle REST Data Services (ORDS).
- Oracle Forms.
- Understanding of how these technologies interact with Oracle databases, particularly regarding application architecture, dependencies, deployment, and troubleshooting.
- Fluent in Portuguese and English
- 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, psychology, 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.
At KCS IT we defend equality and value diversity. We create a safe, diverse environment where opportunities are equal for all employees!
We do not discriminate based on age, ethnicity, sexual orientation, gender, disability or any factor other than merit.
All applications with skills for the role are welcome!
Apply here