Senior DevOps Engineer in London

Novatus is a Series B scale-up RegTech SaaS provider and boutique advisory practice, enabling financial services firms to solve complex challenges and redefine what’s possible through expert-led technology and consulting. Our SaaS platform, En>ACT, is a market-leading solution for regulatory transaction reporting and reconciliation, providing real-time, independent oversight of transaction reporting across all global regulatory regimes. En>ACT is the only real-time assurance solution that tests 100% of transactions and 100% of fields, replacing sample-based reviews and static PDF reports delivered months after the event with live, actionable insights.

Job Overview: As a Senior DevOps Engineer, you will scope and deliver complex infrastructure projects end-to-end, building and maintaining scalable, secure, and performant systems. You'll contribute to our technology direction and drive initiatives that align with our business objectives, with an emphasis on automation, delivery pace, reliability, and cost efficiency. This role requires a strong technical background and a proven track record of building and scaling systems in complex environments.

Key Responsibilities:

• Design and implement AWS cloud infrastructure, writing clean and maintainable Infrastructure as Code for repeatable, auditable deployments across environments.
• Drive reliability, scalability, security, observability and cost efficiency of AWS infrastructure.
• Provide mentorship to other DevOps engineers, sharing expertise and raising engineering quality across the team.
• Develop and maintain robust and effective CI/CD pipelines.
• Troubleshoot and resolve complex infrastructure issues, ensuring minimal impact on business operations.
• Explore and evaluate new technologies, tools, and patterns that improve platform reliability and delivery pace.
• Partner with Data Engineering to support platform infrastructure (AWS, Databricks, Snowflake).

About You:

Requirements:

• Strong hands-on AWS infrastructure experience, including IAM, VPCs, compute, containers, load balancing, storage, security, resilience, and cost optimization.
• Hands-on experience deploying and operating applications on Kubernetes in production, including Helm/manifests, ingress, configuration/secrets, observability, and troubleshooting live workloads.
• Proficient with Infrastructure as Code, especially Terraform, with experience building maintainable, reusable modules and environment patterns.
• Solid production networking knowledge: TCP/IP, DNS, TLS, BGP, routing, subnets, NAT, firewalls/security groups, VPN/private connectivity, load balancers, and practical troubleshooting.
• Experience operating cloud infrastructure in regulated environments (e.g. GDPR, ISO 27001, SOC 2).
• Experience designing observability, monitoring, logging, and alerting solutions for distributed systems.
• Strong software engineering ability beyond basic scripting.
• Ideally someone who has contributed to larger software projects or built maintainable platform/backend tooling in a language such as Python, Go, Java, TypeScript, or similar.
• Comfortable using modern AI-assisted engineering workflows, including agentic coding tools and LLM-based automation.
• Familiarity with concepts such as MCP servers, tool-calling, RAG/vector search, embeddings, and AI-assisted platform operations.
• Working knowledge of databases and data platforms, including SQL databases such as PostgreSQL/MySQL and exposure to NoSQL or distributed data stores.
• Track record of independently scoping and delivering complex infrastructure projects end-to-end.
• Experience mentoring engineers and sharing technical expertise across a team.
• Excellent communication and stakeholder management skills.

Nice-to-haves:

• Relevant certifications (e.g., AWS Certified Solutions Architect, AWS Certified Security, or AWS Certified DevOps Engineer).
• Databricks and/or Snowflake infrastructure experience.
• Kafka operations or other event streaming platforms.
• Experience on infrastructure modernization or migration programs.
• FinTech, RegTech, or financial services background.

Why Join Us?

• Work Across Disciplines: You won't be confined to a single track- you will develop a broader skillset across our capabilities and offerings.
• Solve Problems that Matter: Work on complex challenges, where your thinking, analysis, and execution have real impact.
• Flat, Visible, Collaborative: We keep the structure flat, so you can collaborate directly with senior leaders and experienced specialists.
• A Place for Builders: This is a great place for people who enjoy driving results and taking ownership.

Perks & Benefits:

• Private Medical Insurance (via AXA): includes mental health, dental, vision, and private GP access.
• Life Insurance - 4× salary (via Unum).
• Salary sacrifice childcare and nursery scheme (via YellowNest).
• Employee Assistance Programme.
• Enhanced parental leave (maternity & paternity).
• Professional qualification sponsorship.
• Accelerated career progression based on readiness and performance, not tenure or time spent in role.
• Holiday entitlement increases with tenure.
• Flexible hours with core collaboration time.
• Paid volunteering leave.
• Gym & fitness discounts.
• Bi-annual socials.
• Office snacks and drinks.
• Interest-based working groups to collaborate and innovate.

Novatus is an Equal Opportunity Employer. All employment decisions are made based on business needs, role requirements, and individual qualifications, without regard to race, age, religion or belief, sex, sexual orientation, gender identity or expression, marital or civil partnership status, pregnancy or maternity, socioeconomic background, disability, or any other characteristic protected under the Equality Act 2010.