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About the Role

Optiver is building its Digital Assets trading capabilities and is looking for a Cloud Infrastructure Engineer to help build the foundations for a new trading tenancy on Optiver’s existing cloud platform. This role allows you to optimize the hybrid cloud infrastructure for the unique operational and performance needs of digital assets trading, focusing on extending the cloud platform to meet the performance demands of a latency-sensitive, always-on trading environment. You will be accountable for delivering a secure, performant, and robust infrastructure that directly supports trading outcomes - stability, latency, resilience, and safe change in the digital assets space.

Responsibilities

Design low-latency infrastructure using cloud primitives and optimized configurations.
Own and enhance cloud infrastructure performance setups.
Build and run high-throughput, resilient connectivity patterns for exchange integrations.
Drive security hygiene both on and off cloud with secrets management, network segmentation and traffic isolation.
Implement governance and best practices for shared cloud platform ensuring safe multi-tenant operation.
Deliver infrastructure as code using Terraform and Terragrunt, following Optiver standards and workflows.
Build and maintain CI/CD and automated testing for changes minimizing risk in always-on markets.
Implement and enhance observability using CloudWatch, Prometheus, Grafana, and similar tools.
Participate in operational ownership through incident response, post-incident improvement, and continuous hardening.

Requirements

Demonstrated expertise in owning production infrastructure as an engineer (Platform, SRE, or Infrastructure engineering background).
Deep cloud infrastructure knowledge, especially around VPC design, compute optimization, and performance networking features.
Proven ability to write and maintain Terraform modules and operate IaC safely through reviews, testing, and deployment pipelines.
Solid Linux fundamentals, including networking and systems performance tuning.
Ability to program in at least one language (e.g., Python or Go) for tooling, automation, and integration work.
Collaborative skills to work effectively with other team members and stakeholders.
Ability to communicate technical information to both technical & non-technical stakeholders.
Ability to gauge business problems and prioritize tasks accordingly.
Experience managing multi-cloud (AWS, GCP, AliCloud, etc) infrastructure.
Experience building & managing latency-sensitive systems in cloud (trading, real-time systems, market data, etc.).
Hands-on experience managing WebSocket infrastructure under burst load and unstable upstream conditions.
Solid understanding of exchange rate limits / quota models (including weight-based limits) and how to engineer systems to respect them without compromising trading performance.
Familiarity with high-performance networking concepts (e.g., SR-IOV, kernel/network tuning, exposure to RDMA/DPDK is a plus).

Skills

Cloud Infrastructure
VPC Design
Compute Optimization
Performance Networking
Terraform
Terragrunt
Infrastructure as Code (IaC)
Linux
Systems Performance Tuning
Python
Go
CI/CD
Automated Testing
CloudWatch
Prometheus
Grafana
Multi-cloud Management
Latency-sensitive Systems
WebSocket Infrastructure
High-performance Networking
SR-IOV
RDMA
DPDK

Location

Europe

Work Type

Full-time

Experience Level

Production Infrastructure Ownership
Cloud Infrastructure
Terraform Module Management
Linux Fundamentals
Programming
Multi-cloud Management
Latency-sensitive Systems Management
WebSocket Infrastructure Management
High-performance Networking Concepts

Benefits

Performance-based bonus structure
27 paid vacation days
All UK public holidays
Daily breakfast and lunch
Support on commuting expenses
Private medical insurance
Pension scheme
ClassPass fitness membership
Training and continuous learning opportunities
Access to conferences and tech events
International transfer opportunities

About the Company

At Optiver, our mission is to constantly improve the market by injecting liquidity, providing accurate pricing, increasing transparency and acting as a stabilizing force no matter the market conditions.
With a focus on continuous improvement, we participate in the safeguarding of healthy and efficient markets for everyone who participates.
As one of the largest market making institutions, we are a trusted partner of 70+ exchanges across the globe.

Equal Opportunity

Optiver is committed to diversity and inclusion.