Network & Cloud Infrastructure Security Engineer
Full-service digital-asset trading and technology firm providing liquidity solutions, institutional OTC trading, tokenized-market infrastructure, and strategic digital-asset investment.
Funding history
Projects
About Flowdesk
Flowdesk operates institutional digital-asset market infrastructure and trading services, combining proprietary execution algorithms, risk management, global venue connectivity, liquidity provision, OTC spot/derivatives/credit trading, and tokenized-asset liquidity. Its clients include institutions, token issuers, exchanges, and professional market participants. The website is operated by Flowdesk SAS, headquartered in Paris, France.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will own cloud and network security design and day-to-day infrastructure controls. You will design and operate firewalls, network segmentation, SASE, zero-trust access, and network-device security. You will review new architectures, implement controls through infrastructure as code, support incident investigations, and provide audit evidence.
Requirements
- Several years of network or cloud security engineering experience with hands-on production experience
- Knowledge of cloud and on-premises networks, including private networks, routing, peering, DNS, load balancing, egress control, switching, and wireless
- Experience managing network devices securely
- Experience with cloud and next-generation firewalls and SASE or ZTNA platforms
- Understanding of Terraform and infrastructure as code
- Scripting skills
- Security knowledge including mTLS, IPsec, WireGuard, SSL inspection, IDPS, and network monitoring and detection
- Experience reviewing architectures and explaining risk to technical and non-technical stakeholders
- Willingness to work across adjacent security areas
- Experience in a regulated environment such as financial services or crypto
- Container and Kubernetes network-policy and service-mesh experience
- Relevant security or cloud-networking certifications
Responsibilities
- Design, operate, and tune cloud-native, virtual, and on-premises firewalls
- Run security architecture reviews and document prioritised fixes
- Plan network segmentation across cloud and office environments
- Review cloud infrastructure architecture and support secure cloud design
- Own the SASE and zero-trust access approach
- Manage network-device security, including baselines, patching, access, lifecycle, and routing protocols
- Build and change network security controls through Terraform and infrastructure as code
- Work with security and engineering teams on network changes
- Monitor network telemetry and help investigate and contain incidents
- Produce audit and regulatory evidence and close pentest and cloud-posture findings
- Set and maintain network-control standards and reference architectures
- Cover adjacent security areas during absences, incidents, and workload peaks
Benefits
- 100% health coverage
- Team events and offsites
- Company Pension scheme
- Learning and Development budget