At a Glance
- Tasks: Support and evolve database platforms, focusing on Oracle and MongoDB technologies.
- Company: Join a forward-thinking team at Companies House with a commitment to equality and inclusion.
- Benefits: Enjoy 30 days annual leave, a generous pension scheme, and flexible working options.
- Other info: Great career growth opportunities and a supportive work-life balance.
- Why this job: Make a real impact in a dynamic environment while enhancing your skills in modern database technologies.
- Qualifications: Experience in database administration and a passion for cloud-based solutions.
The predicted salary is between 40000 - 50000 £ per year.
We have an exciting opportunity for an experienced Senior Infrastructure Engineer (Database) to join our Infrastructure Engineering team. You'll play a key role in delivering, supporting, and evolving our database platforms, with a particular focus on Oracle and MongoDB technologies. Working across cloud-based and modern database environments, including Oracle on AWS, MongoDB Atlas, PostgreSQL, and automation tools, you'll help ensure our services remain secure, resilient, and highly available. You'll be involved in database administration, performance optimisation, security, backup and recovery, monitoring, and supporting major technology and business change initiatives.
Why join us? Here’s what you’ll enjoy:
- 30 days annual leave + 8 bank holidays + 1 privilege day
- Civil Service Pension with an average 28% employer contribution (worth £12,434 for this role!)
- Equality, diversity & inclusion at the heart of everything we do
- Flexible and mobile working for a great work-life balance
- Seasonal flu jabs
- Generous family leave – maternity, paternity, adoption & shared parental
- Cycle to Work scheme
This role closes on Monday 3rd August 2026 at 23.55pm.
Please note: Companies House cannot offer Visa sponsorship to candidates through this campaign. Security Clearance is an essential requirement for this campaign. You'll need to have been in the UK for at least 3 out of the last 5 years to be eligible to apply. You will be based at either our Cardiff or Edinburgh office where you will be expected to attend on a regular basis. On-call duties form part of this role and will be undertaken on a rota basis once you are fully trained and have met competency expectations.
If you have any questions about the role or process, please reach out to tarnold@companieshouse.gov.uk.
Senior Infrastructure Engineer (Database) in Cardiff employer: COMPANIES HOUSE
At Companies House, we pride ourselves on being an exceptional employer that prioritises employee wellbeing and a healthy work-life balance. With flexible working hours, generous leave policies, and a commitment to diversity and inclusion, we foster a collaborative and innovative culture where every team member can thrive. Our Cardiff and Edinburgh offices offer a supportive environment for professional growth, ensuring that you have the resources and opportunities to excel in your HR career.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Infrastructure Engineer (Database) in Cardiff
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at COMPANIES HOUSE or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to COMPANIES HOUSE.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like COMPANIES HOUSE.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like COMPANIES HOUSE that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Senior Infrastructure Engineer (Database) in Cardiff
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at COMPANIES HOUSE.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at COMPANIES HOUSE and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at COMPANIES HOUSE
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If COMPANIES HOUSE uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
