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 underpin everything that we do at CLS and define our working environment:
- Pivotal purpose
- Trusted guardian
- Targeted innovation
- Facilitate connections
- Delivering excellence
- Inclusive culture
- Functional title - Vice President, Senior Red Hat Systems Engineer
- Department - Infrastructure Management
- Corporate level - Vice President
- Report to - Carlos Sevillano
- Location - New Jersey - Metropark
- Base pay / salary (New York) - $150,000 - $170,000
Senior Red Hat Systems Engineer / Linux Engineering Lead
What you will be doing:
Seasoned Senior Red Hat Systems Engineer with over 10 years of deep expertise in Red Hat Enterprise Linux (RHEL), specializing in large-scale infrastructure design, automation, performance optimization, and enterprise platform engineering across on-prem (VMware) and cloud (AWS) environments.
Recognized for combining advanced Linux engineering skills with strong leadership, driving operational excellence, mentoring teams, and delivering resilient, secure, and highly automated infrastructure solutions aligned with business and regulatory requirements.
Professional Summary
Expert in end-to-end Linux lifecycle management, including patching, OS upgrades, image creation, and large-scale deployments. Extensive experience with Red Hat Satellite, Ansible Automation Platform, and enterprise tooling to automate infrastructure, reduce operational overhead, and improve system reliability.
Strong background in performance engineering, vulnerability management, disaster recovery, and business continuity, with hands-on expertise in VMware and AWS architecture, including networking, storage, and compute optimization.
Proven ability to lead initiatives, troubleshoot complex cross-domain issues (OS, network, virtualization, cloud), and collaborate effectively with DevOps, Security, and Application teams.
What we’re looking for:
Linux / Red Hat Engineering
- 10+ years of hands-on experience with Red Hat Enterprise Linux (RHEL)
- Deep knowledge of Linux internals, kernel behavior, system performance, and OS-level troubleshooting
- Enterprise patching and lifecycle management (OS + third-party software)
- OS upgrades, golden image creation, and large-scale deployments
- Creation and management of VMware-based appliance images
- Strong expertise with Red Hat Satellite for provisioning, patching, and compliance
- Red Hat licensing across VMware and AWS environments
- Hands-on experience with Veritas Cluster (on VMware and AWS)
Automation & DevOps
- Advanced expertise in Ansible Automation Platform (AAP) including:
- Playbook development and optimization
- Workflow automation and orchestration
- Infrastructure-as-Code practices
- Strong scripting skills in Bash and Python
- Experience integrating automation into CI/CD pipelines
Cloud & Virtualization
VMware
- CPU, memory, storage, and performance tuning
- VLANs, networking, and virtual infrastructure design
- Experience deploying and managing enterprise workloads on VMware
- Familiarity with SRDF (Symmetrix Remote Data Facility) integrations (plus)
AWS
- VPCs, routing, and traffic flows
- Network security and inspection firewalls
- Performance tuning and cost-aware infrastructure design in AWS
- Knowledge of fsx for netapp on AWS.
High Availability, Backup & Disaster Recovery
- Hands-on experience with Veritas Cluster (on VMware and AWS)
- Understanding of Veritas licensing models
- High Availability (HA) architecture
- Disaster Recovery (DR) strategies
- Business Continuity Planning (BCP)
- Backup and recovery expertise using Rubrik
- Replication and recovery strategies across environments
- Veritas SF (Storage Foundation), VVR with Veritas Cluster (VCS).
Proficiency with AI Linux Drivers, and Container Orchestration Solutions:
- Proficiency with CUDA and Nvidia drivers.
Monitoring, Security & Compliance
- Monitoring and observability using Dynatrace
- Strong expertise in Vulnerability Management and remediation
- OS hardening, patch compliance, and security best practices
- Working knowledge of penetration testing concepts and remediation workflows
- Network troubleshooting directly from Linux systems (TCP/IP, DNS, NFS, DHCP)
Networking
- TCP/IP stack and network performance tuning
- DNS, DHCP, NFS, and enterprise networking services
- Ability to diagnose and resolve complex network issues from the OS level
Leadership & Professional Skills
- Proven leadership in driving infrastructure initiatives and modernization efforts
- Strong team ethics with a collaborative and accountable mindset
- Mentorship of junior engineers and knowledge-sharing across teams
- Excellent documentation skills (runbooks, SOPs, architecture diagrams)
- Clear and effective communication with both technical and non-technical stakeholders
- Ability to lead incident response and perform detailed root cause analysis (RCA)
- Follows proper Escalation procedure and Governance.
Key Responsibilities
- Infrastructure Design & Management: Architect, deploy, and manage scalable Linux environments across VMware and AWS
- Automation & Scripting: Build and maintain automation frameworks using Ansible, Bash, and Python
- Performance Tuning: Optimize system and application performance across OS, virtualization, and cloud layers
- System Security: Implement security controls, manage vulnerabilities, and enforce compliance standards
- Troubleshooting: Resolve complex system, network, and platform issues with deep root cause analysis
- Collaboration: Partner with DevOps, Security, and Engineering teams for platform integration and improvements
- Mentorship: Guide to junior engineers and maintain high-quality technical documentation
- License Management skills. Working with quotes, vendor proposals, RFPs, and working with Vendor Management team to license procure and audit license use. Quarterly and yearly license assessments.
Professional qualifications / certifications
- Red Hat Certified Engineer (RHCE)
- AWS Certified Solutions Architect / SysOps Administrator
- Additional certifications in virtualization, security, or automation (preferred)
Our commitment to employees:
At CLS, we celebrate inclusion 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.
- Employee Networks (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 inclusivity.
- 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.
