Senior Platform Engineer

We're looking for a Senior Platform Engineer to join our Cloud Platform team and help shape the future of our cloud platform. In this role, you'll design, build, and evolve platform capabilities that power scalable, secure, and highly reliable cloud solutions. You'll apply strong platform engineering principles to create automated, reusable, and self-service solutions that improve developer experience and enable teams to deliver faster and more consistently.

As a Senior Platform Engineer, you'll bring deep technical expertise and a strategic mindset to:

• Drive high-quality platform design and engineering standards
• Enable automation, reliability, and cost optimisation at scale
• Embed best practices that simplify and standardise how we build and run services

In addition, this role will play a key part in mentoring and supporting engineers, influencing technical direction, and collaborating across teams to deliver high-quality, cloud-native solutions aligned with HL goals.

• Extensive experience with public cloud services and cloud-native architectures, including networking, security, and governance.
• Proficiency in Infrastructure as Code (e.g., Terraform, CloudFormation) and scripting languages (e.g., Python, Bash) for complex automation workflows.
• Strong experience with CI/CD pipelines, containerisation (Docker), and orchestration platforms (e.g., Kubernetes)
• Deep understanding of cloud security frameworks, identity management, and compliance standards (e.g., ISO, SOC, GDPR).
• Proven ability to design scalable, resilient, and cost-efficient cloud solutions in enterprise environments.
• Strong analytical skills to resolve complex technical challenges and make strategic decisions.
• Effective communication skills, with the ability to explain technical concepts to a range of stakeholders
• Experience mentoring or supporting the development of other engineers clearly.

We're based in the stunning Paddington Central offices at 4 Kingdom Street, a modern workspace designed to energise your day and elevate collaboration.

What Makes It Special?

• ??Landscaped rooftop gardens - perfect for a breath of fresh air or informal catch-ups.
• ??London's highest rooftop basketball court - yes, really!
• ?On-site café and bar with sweeping views across West London.
• ????Wellness amenities including showers, lockers, hairdryers, and fresh towels.
• ??Cyclist-friendly with secure bike storage and drying rooms.
• ???Stylish lounge areas, booths, and breakout spaces for focused work or relaxed chats.
• ??Canalside location near Little Venice, with floating restaurants, coffee shops, and a seasonal pop-up garden bar.
• ??Unbeatable transport links - just steps from Paddington Station and the Elizabeth Line, with Heathrow only 30 minutes away.

We embrace a Hybrid working model that gives you the best of both worlds:

• 2-3 days a week in the office to connect, collaborate, and enjoy everything the space has to offer.
• Remote flexibility for deep focus, work-life balance, and personal productivity.

This is a full-time role, working 37.5 hours per week, Monday to Friday., * Discretionary annual bonus* and annual pay review

• 25 days* holiday plus bank holidays and 1-day additional Christmas closure

• Option to purchase an additional 5 days holiday**

• Flexible working options available, including hybrid working

• Enhanced parental leave

• Pension scheme up to 11% employer contribution

• Income Protection and Life insurance (4 x salary core level of cover)

• Private medical insurance*

• Health care cash plans - including optical, dental, and outpatient care

• Health screening programme

• Help@hand - confidential support including mental health counselling and remote GP

• Wellhub - unlimited access to fitness providers and wellness coach sessions

• Variety of travel to work schemes with bike storage and shower facilities

• Inhouse barista and deli serving subsidised coffee and sandwiches

• Two paid volunteering days per year

• dependant on role level

** only available to select during our annual benefits window, in November each year

Please note, we are unable to provide employment sponsorship to candidates.

Here at HL, we're the UK's number 1 investment platform for private investors, based in Bristol. For more than 40 years we've helped investors save time, tax and money on their investments. To achieve our mission, we believe we have a workplace like no other, with constant learning, dynamic teams, and a great ethos. We're steered by core values that promote service, quality, innovation, and opportunity in everything we do.