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powertofly approved What CLS Has to Offer:

SpecialtiesForeign Exchange Settlement, Risk Mitigation, FX, Cross currency swaps, Processing, Same day settlement, Finance, Aggregation, CLSMarketData, Data, Post-trade , OTC Derivatives, CLSSameday, FX volume data, CLSMarketData, CLSTradeMonitor, CLSSettlement, Forex, FinTech, Settlement, CLSNow, CLSReporting, FX Volume, FX Pricing, FX Forecast, FX Order Flow, CLSSameday, Banks, FX Global Code, Financial services, and FXalternativedata

Job Details

About CLS:

CLS is the trusted party at the centre of the global FX ecosystem.  Utilized by thousands of counterparties, CLS makes FX safer, smoother and more cost effective.  Trillions of dollars’ worth of currency flows through our systems each day. 

Created by the market for the market, our unrivalled global settlement infrastructure reduces systemic risk and provides standardization for participants in many of the world’s most actively traded currencies.  We deliver huge efficiencies and savings for our clients: in fact, our approach to multilateral netting shrinks funding requirements by over 96% on average, so clients can put their capital and resources to better use.

CLS products are designed to enable clients to manage risk most effectively across the full FX lifecycle – whether through more efficient processing tools or market intelligence derived from the largest single source of FX executed data available to the market.

Our ambition to make a positive difference starts with our people.  Our values – Protect, Improve, Grow – underpin everything that we do at CLS and define and shape a supportive and inclusive working environment in which everyone is encouraged to be open and forward-thinking.

Title: Senior Cloud Architect - AWS

Job Overview:

The AWS Architect is responsible for designing, implementing, and managing scalable, secure, and highly available AWS cloud environments. This role involves collaborating with cross-functional teams to understand business requirements, providing technical leadership, and ensuring the successful deployment of AWS solutions.

Key Responsibilities:

  • Ability to author High Level Solution Design
  • Design and architect AWS cloud solutions based on business requirements.
  • Develop and document architecture blueprints and best practices.
  • Infrastructure as Code (IaC)
  • Implement Infrastructure as Code (IaC) using tools such as AWS CloudFormation or Terraform.
  • Automate deployment and configuration processes
  • Plan and execute the migration of on-premises applications to AWS.
  • Optimize existing AWS infrastructure for performance, cost, and security.
  • Cloud Security and Continous  Compliance:
  • Implement and maintain security measures to safeguard AWS environments.
  • Ensure compliance with industry standards and regulations.
  • Performance Optimization:
  • Monitor and optimize the performance of AWS resources.
  • Troubleshoot and resolve issues related to AWS infrastructure.
  • Work closely with development, operations, and security teams to align cloud solutions with business goals.
  • Provide technical guidance to team members and stakeholders.
  • Optimize AWS costs through effective resource utilization and budget management.
  • Recommend cost-saving strategies and identify opportunities for efficiency.
  • Stay updated on AWS services, features, and best practices.
  • Share knowledge with the team and contribute to the organization's learning culture.



  • Bachelor's degree in computer science, information technology, or a related field.
  • Proven experience designing and implementing AWS solutions.
  • AWS certifications such as AWS Certified Solutions Architect or AWS Certified DevOps Engineer are highly desirable.
  • Strong understanding of cloud computing concepts, principles, and best practices.
  • Proficiency in scripting and programming languages (e.g., Python, Shell).
  • Experience with containerization technologies (e.g., Docker, Kubernetes).
  • Knowledge of networking concepts and security principles.
  • Excellent communication and interpersonal skills.
  • Preferred Skills:
  • Experience with serverless computing (e.g., AWS Lambda).
  • Familiarity with DevOps practices and tools.
  • Knowledge of hybrid cloud architectures.
  • Experience with AWS monitoring and logging tools.
  • Ability to assess and recommend third-party tools and services to complement AWS offerings.
  • Knowledge of 3rd party storage and firewall desired.
  • Knowledge of organizational structure within AWS, landing zone and control tower is required.
  • Stakeholder management.
  • Knowledge of cloud security.

Our commitment to employees:

At CLS, we celebrate diversity and consider this to be one of our strongest assets. We are committed to fostering an environment in which everyone feels comfortable to be who they are, and inclusion is valued. All employees have access to our inclusive benefits, including:

  • Holiday - UK/Asia: 25 holiday days and 3 ‘life days’ (in addition to bank holidays). US: 23 holiday days.
  • 2 paid volunteer days so that you can actively support causes within your community that are important to you.
  • Generous parental leave policies to ensure you can enjoy valuable time with your family.
  • Parental transition coaching programmes and support services.
  • Wellbeing and mental health support resources to ensure you are looking after yourself, and able to support others.
  • Affinity Groups (including our Women’s Forum, Black Employee Network and Pride Network) in support of our organisational commitment to embrace and always be learning more about DE&I.
  • Hybrid working to promote a healthy work/life balance, enabling employees to work collaboratively in the office when needed and work from home when they don’t.
  • Active support of flexible working for all employees where possible.
  • Monthly ‘Heads Down Days’ with no meetings across the whole company.
  • Generous non-contributory pension provision for UK/Asia employees, and 401K match from CLS for US employees.
  • Private medical insurance and dental coverage.
  • Social events that give you opportunities to meet new people and broaden your network across the organisation.
  • Annual flu vaccinations.
  • Discounts and savings and cashback across a wide range of categories including health and retail for UK employees.
  • Discounted Gym membership – Complete Body Gym Discount/Sweat equity program for US employees.
  • All employees have access to Discover – our comprehensive learning platform with 1000+ courses from LinkedIn Learning.
  • Access to frequent development sessions on a number of topics to help you be successful and develop your career at CLS.
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Senior Cloud Architect - AWS
I'm Interested