IT Ops Engineer
HQLAx is a financial technology company providing a DLT-enabled platform for collateral mobility in securities finance and repo markets. It serves banks and asset managers by enabling precise, real-time transfers of securities ownership without cross-custody asset movement.
About HQLAx
HQLAx is a Luxembourg-based, CSSF-regulated financial technology firm that uses distributed ledger technology to improve collateral mobility for the global securities finance and repo industry. Its proprietary platform integrates with existing triparty and custody infrastructure, allowing banks and asset managers to transfer ownership of securities in real time while assets remain with custodians. Its solutions support delivery-versus-delivery securities lending, margin management, and delivery-versus-payment repo, aiming to reduce intraday liquidity usage, settlement risk, and operational complexity.
Skills
About the Role
You will operate and improve the production platform: monitor systems, manage security and incidents, maintain CI/CD pipelines, and coordinate releases across nodes. You will write and maintain system documentation, run tests and recovery exercises, engage with technology partners, and provide on‑call production support when needed.
Requirements
- Master's degree in computer science, Information Technology, Engineering or related field
- Up-to-date knowledge in networking, relational databases and security
- Solid grasp of modern DevSecOps practices including version control, continuous integration/delivery, GitOps and acceptance testing
- Significant hands-on experience in software development and operations
- Hands-on multiyear experience with Unix/Linux administration
- Experience with containerization including building, optimizing, managing and securing container images
- Experience with container orchestration and tooling such as Helm and Kubernetes; OpenShift and ArgoCD a plus
- Networking knowledge: TCP/IP, firewalls, load balancers, NAT, DNS and proxy configuration
- Security knowledge: certificate and key management, HSMs, PKI, TLS, VPNs, OIDC, vulnerability management and penetration testing
- PostgreSQL database administration experience including backup/restore and HA setups
- Automated management of environments using Ansible and Terraform; Azure experience a plus
- Testing experience: creating test plans and executing acceptance, performance, load and security tests
- Experience configuring and operating message brokers and streaming platforms (RabbitMQ, ActiveMQ, Kafka, RedPanda)
- Monitoring experience with stacks such as Prometheus/Grafana or Datadog
- Scripting skills in Python and shell
- Experience with JVM-based application stacks: building, packaging, deploying, tuning and monitoring
- Experience with git and incident management and incident response
Responsibilities
- Participate in daily IT operations such as monitoring, security management, change management and incident management
- Design and maintain a highly reliable and secure production environment including logging, monitoring and analytics
- Write and maintain documentation for the platform and supporting systems
- Maintain and enhance the Continuous Integration environment
- Coordinate rollout of new releases across all nodes of the Corda Business Network
- Develop and fix key components of the collateral exchange platform
- Investigate and resolve incidents
- Engage and collaborate with technology partners to improve the technology architecture
- Participate in threat modelling, audits, due diligence and vendor risk assessments
- Coordinate and participate in penetration tests and disaster recovery exercises
- Cover part of an on-call rota to provide production support
Benefits
- An attractive and competitive benefits package
- Flexible work-from-home arrangements
