Description Role Summary The Principal Engineer is the senior technical authority responsible for setting the engineering direction, ensuring platform reliability, and driving innovation across a critical enterprise technology domain.
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This role provides deep technical leadership, shapes long term strategy, and ensures that engineering teams deliver secure, scalable, and resilient services that underpin the organisations digital ecosystem.
The Principal Engineer acts as the highest level hands on expert, partnering with architects, product owners, and engineering squads to define standards, modernise platforms, and embed automation and DevOps practices across all services.
Technical Leadership Serve as the domains foremost technical expert, accountable for engineering excellence and long term platform strategy.
Define and maintain technical standards, patterns, and best practices across the domain.
Lead complex design decisions, ensuring solutions are secure, scalable, and aligned with enterprise architecture.
Drive adoption of automation, DevOps tooling, and platform as a product principles across all engineering teams.
Platform Ownership Oversee the health, performance, and lifecycle of core platforms within the domain.
Ensure capacity planning, resilience, backup, recovery, and disaster readiness are embedded into all services.
Champion observability, monitoring, and proactive incident prevention.
Innovation & Modernisation Identify opportunities to modernise legacy platforms, reduce technical debt, and introduce new technologies.
Evaluate emerging tools, frameworks, and architectures relevant to the domain.
Lead proof of concepts and guide engineering teams through adoption.
Collaboration & Influence Partner with cross domain Principal Engineers to ensure cohesive enterprise wide engineering standards.
Work closely with product, security, architecture, and operations teams to deliver integrated solutions.
Mentor senior engineers and uplift engineering capability across the organisation.
Governance & Risk Management Ensure compliance with security, regulatory, and operational standards.
Provide technical oversight for major changes, upgrades, and transformation initiatives.
Act as an escalation point for critical incidents and complex technical challenges.
Job Description: Database Engineering (Oracle, ExaCC, PostgreSQL, MongoDB) Role Summary Were looking for a Principle Database Engineer with deep expertise across enterprise grade and open source database platforms, including Oracle, Exadata (ExaCC), PostgreSQL, and MongoDB.
Youll design, operate, and optimise mission critical data services that support high volume, high availability applications.
This role blends hands on engineering with architectural thinking, ensuring our data platforms are secure, scalable, and performant.
Key Responsibilities Oracle & ExaCC Engineering Administer and optimise Oracle databases running on Exadata and Exadata platforms.
Perform capacity planning, performance tuning, and storage optimisation for ExaCC environments.
Manage Oracle RAC, Data Guard, RMAN, and advanced Oracle features for high availability and disaster recovery.
Support patching, upgrades, and lifecycle management across Oracle estates.
PostgreSQL Administration Deploy, configure, and maintain PostgreSQL clusters in production environments.
Implement replication, backup strategies, and failover mechanisms.
Optimise query performance, indexing strategies, and storage utilisation.
Develop automation for provisioning, monitoring, and patching PostgreSQL instances.
MongoDB Operations Manage MongoDB clusters, including sharding, replication, and scaling strategies.
Monitor and tune performance for document based workloads.
Implement backup, restore, and disaster recovery processes for MongoDB environments.
Ensure data integrity, schema design best practices, and operational resilience.
Cross Platform Database Engineering Build automation for database provisioning, configuration, and compliance using IaC and scripting.
Implement robust monitoring and observability for all database platforms.
Collaborate with application teams to design schemas, optimise queries, and troubleshoot performance issues.
Ensure security hardening, auditing, and adherence to data governance standards.
Participate in on call rotations supporting critical database services.
Skills & Experience Essential Strong hands on experience with Oracle Database and Exadata/ExaCC platforms.
Solid PostgreSQL administration skills in production environments.
Practical experience managing MongoDB clusters at scale.
Proficiency in SQL, PL/SQL, and scripting languages (Python, Bash, PowerShell).
Understanding of replication, clustering, high availability, and disaster recovery patterns.
Familiarity with database performance tuning and query optimisation.
Experience with automation tools (Terraform, Ansible, Liquibase, Flyway, etc.).
Skills oracle exadata mongodb Job Title: Principle Engineer
- Databases Location: Manchester, UK Rate/Salary: 500.00
- 600.00 GBP Daily Job Type: Contract Trading as TEKsystems.
Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom.
No.
2876353.
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