Senior Platform Engineer

Hybrid / Flexible Working

Salary:
Up £65,000 depending on experience + up to 20% annual bonus + benefits Stability, flexibility and the opportunity to work on greenfield projects within one of Europe’s leading financial experts, does that sound interesting to you?

Senior Platform Engineer

Cardiff

As a Senior Platform Engineer at LDMS, you will be responsible for the cloud infrastructure that underpins our SaaS products and internal tooling. You will also be expected to help meet business requirements when needed across other technology streams such as Oracle Database & Middleware Administration and End User Computing.

• Accomplishes tasks independently by planning possible solutions, implementing them and testing their correctness
• Takes time to analyse existing infrastructure and propose improvements
• Shares their knowledge and explains work to others by writing documentation
• Provides guidance and mentoring to Junior Engineers in matters of technology, architecture and best practices
• Explores new technologies by building proof‑of‑concept solutions
• Understands that constant learning underpins good engineering

• Ability to design, build, and operate cloud infrastructure that supports production services, with an understanding of how platforms evolve to meet changing technical and business needs
• Strong hands‑on knowledge of core AWS services such as EC2, VPC, ECS, RDS, and IAM, alongside a practical understanding of cloud security, networking, and scalability
• Proven use of Infrastructure‑as‑Code tools (for example, Terraform or similar) to deliver repeatable, version‑controlled, and well‑governed infrastructure
• Familiarity with building and improving CI/CD pipelines that enable automated, reliable delivery of infrastructure and platform changes
• Working knowledge of observability practices and tooling, including metrics, logging, and alerting, with an understanding of how observability supports reliable operations and incident response
• Acts as a senior technical contributor, offering guidance, design input, and constructive review to other engineers, and helping shape shared engineering standards and approaches

• Ability to automate tasks and workflows using a high‑level language such as Shell or Python
• Working knowledge of Microsoft 365 services such as Entra , Intune, Defender, and Conditional Access, particularly in security‑conscious environments
• Exposure to relational database platforms such as Postgre
  
  SQL or Oracle, including general administration and collaboration with application teams
• Familiarity with networking concepts - VPCs, subnets, routes, gateways, firewall rules, NAT etc
• OS Administration of Linux and Windows machines - including directly through command line and Ansible configuration management

• Discretionary Bonus (Up-to 20%)
• 25 days annual leave (plus bank holidays)
• 1 day Birthday leave
• 1 day Charity leave
• Private Health Insurance
• EAP
• Pension (3% / 5% contribution)
• Salary sacrifice – Bike & Electric Vehicle Scheme