Site Reliability Engineer in London

Reapit is the original, end-to-end business technology provider for estate agencies of all sizes. We’ve been helping sales and lettings agents to build relationships and grow their businesses for more than 25 years. Our technology connects property professionals in Europe, the Middle East, Australia, and New Zealand with buyers, sellers, tenants and landlords to power the relationships that change lives. In the United Kingdom and Ireland, Reapit’s market-leading technology product suite provides estate and lettings agents with powerful tools covering sales, lettings, property management, block management, client accounts and analytics, underpinned by a robust, security infrastructure.

What you’ll be doing:

• Deploy, and maintain robust, scalable AWS infrastructure utilizing Infrastructure as Code (IaC) principles (e.g., CloudFormation, Terraform).
• Implement, and maintain comprehensive monitoring, logging, and alerting solutions to ensure system health and performance.
• Respond promptly and effectively to critical system alerts and incidents, performing root cause analysis (RCA) and implementing preventative measures.
• Manage and execute scheduled maintenance windows, coordinating necessary system updates, patching, and upgrades with minimal downtime.
• Provide out-of-hours on‑call support for major incidents and escalations to restore critical service functionality quickly and efficiently.
• Automate repetitive operational tasks (“toil”) to increase system efficiency, reduce manual effort, and free up engineering time.
• Drive continuous improvement in system reliability, performance, and recoverability (Disaster Recovery/Business Continuity Planning).
• Collaborate closely with development teams (DevOps) to improve the entire software lifecycle, focusing on service stability and release engineering.
• Establish and refine Service Level Indicators (SLIs), Service Level Objectives (SLOs), and Service Level Agreements (SLAs) for critical services.
• Conduct capacity planning and performance testing to ensure the AWS environment can handle current and future load requirements.

Who we’re looking for:

• 5 years + experience in DevOps
• Core technical skills in:
• Scripting: bash, PowerShell, CDK, Python
• Infrastructure: AWS, Azure (nice to have)
• IaC: Terraform, CDK
• We value the following attributes:
• Technically excellent engineer – deep hands‑on expertise with cloud infrastructure, automation, and the entire DevOps toolchain.
• Genuine team player – belief that the team’s success is yours, collaborating across disciplines.
• Exceptional communicator – articulates technical concepts clearly to engineers and non‑technical stakeholders, documents thoroughly.
• Passionate about the craft – loves building reliable systems, takes pride in clean infrastructure code.
• Ownership‑driven professional – takes full accountability, follows through on commitments.
• Collaborative problem‑solver – seeks input, builds consensus, approaches disagreements with curiosity.
• Continuous learner who shares knowledge – stays current, mentors, pairs, and documents.
• Calm and decisive under pressure – remains composed during incidents, makes sound decisions, keeps focus.

What your impact and success looks like:

• Within 1 month: Complete onboarding with demonstrated understanding of key systems, infrastructure architecture, deployment processes, and on‑call procedures. Respond to and resolve production incidents independently for at least three core services, creating or updating runbooks. Become the go‑to person for our main UK system.
• Within 3 months: Own incident response end‑to‑end, lead post‑mortems, drive remediation to completion. Deliver at least two substantial automation or tooling improvements that reduce operational overhead, improve deployment speed, or enhance reliability. Implement monitoring and alerting enhancements for critical services that improve observability, reduce alert fatigue, or decrease mean time to detection.
• Within 6 months: Deliver a major operations project to production (e.g., new product/system, infrastructure migration, disaster recovery implementation). Demonstrate quantifiable improvements in reliability metrics under your ownership. Establish yourself as an expert, help teammates, influence operational decisions, and contribute to technical improvements.

What’s in it for you?

• We operate a Flexible Working Policy; you’ll work from London or Solihull office two days a month.
• The role offers a highly competitive salary and benefits:
• 5.5% employer pension contribution
• 20 days annual leave (plus a day for your birthday), increasing by a day for every year worked
• Closed over Christmas, giving you time back with friends and family
• In‑house training and access to Go1 (world’s largest online learning library)
• Regular local and company‑wide social events, including Tucker Thursday – mouth‑watering cuisine delivered straight to the office once a month
• Retail benefits and savings via our Benefits partner, Zest

Equal Employment Opportunity: We care about our industry and want it to become a more inclusive and diverse place to work. We are committed to Equal Employment Opportunity through attracting and retaining a complementary team of employees and building an inclusive environment for all. We welcome new ideas, thinking, and approaches, while listening to all employees.