Senior Infrastructure Engineer – Real-Time Medical Streaming (WebRTC)

Circle Strategies, Inc.•Cambridge, MA

1d•Remote

About The Position

The Senior Infrastructure Engineer – Real-Time Streaming is responsible for designing, operating, and scaling PreciPoint’s infrastructure supporting WebRTC-based real-time medical streaming systems across cloud, hybrid, and on-premise environments. This role focuses on low-latency, high-availability communications infrastructure used in clinical environments, where reliability, security, and regulatory compliance are critical. This is a hands-on senior engineering role responsible for infrastructure architecture, deployment, monitoring, and operational reliability, while also supporting customer deployments and hospital IT integrations. The role operates at the intersection of: • real-time communications infrastructure • cloud and hybrid infrastructure engineering • networking and Linux systems administration • healthcare-grade system reliability and security The engineer will collaborate closely with engineering, product, and customer teams and will regularly work with customer IT departments during system deployment and integration.

Requirements

Strong hands-on experience operating WebRTC-based real-time streaming infrastructure
Familiarity with WebRTC technologies including:
STUN / TURN
RTP
ICE negotiation
DTLS-SRTP
Advanced experience with Infrastructure-as-Code tools such as Terraform and Ansible
Deep expertise in Linux system administration
Strong experience deploying and managing Docker-based services
Solid understanding of networking fundamentals including:
TCP / UDP
NAT traversal
VPNs
firewalls
Experience operating STUN/TURN infrastructure
Experience with identity and access management systems such as:
SSO
SAML
OAuth2
Experience supporting mission-critical production systems
Ability to work directly with customer IT teams during deployments
Excellent written and verbal communication skills
Strong technical documentation practices
Ability to explain complex infrastructure topics to non-technical stakeholders
Comfortable working independently in a remote, international team environment
Strong problem-solving ability and ownership mindset
Fluency in English (written and spoken)

Nice To Haves

Experience working in MedTech, HealthTech, or other regulated industries
Familiarity with HIPAA, GDPR, or healthcare security frameworks
Experience supporting hospital or clinical IT environments
Exposure to Kubernetes or container orchestration platforms
Experience working with low-latency real-time communication systems

Responsibilities

Operate, optimize, and troubleshoot WebRTC-based real-time streaming systems
Ensure low latency, high availability, and stable connections across diverse hospital and enterprise networks
Configure and maintain STUN/TURN servers and streaming services
Diagnose and resolve connectivity issues across NAT, firewall, and enterprise network environments
Support architecture decisions for scalable real-time communications infrastructure
Lead technical onboarding and infrastructure integration for new customer deployments, working directly with hospital IT teams to implement systems within clinical network environments.
Serve as the technical liaison between customers, engineering, and partners, providing deployment support and resolving infrastructure or connectivity issues (1st and 2nd level).
Design, deploy, and maintain cloud, hybrid, and on-premise infrastructure environments
Build and maintain infrastructure using Infrastructure-as-Code tools such as Terraform and Ansible
Automate provisioning, configuration, and lifecycle management of infrastructure environments
Ensure scalability, reliability, and availability across global deployments
Support infrastructure planning for new product capabilities and customer deployments
Design and maintain network architectures supporting real-time communications systems
Configure and manage firewalls, VPNs, NAT traversal, secure tunneling, and routing
Support customer IT and security teams during deployment validation, security reviews, and infrastructure audits
Ensure secure data transmission aligned with healthcare data security standards
Administer and maintain Linux-based systems
Configure and manage NGINX for reverse proxying, load balancing, and secure access
Maintain high system uptime through proactive monitoring and maintenance
Support rapid response to operational incidents
Build and maintain Docker-based infrastructure and services
Deploy containerized workloads across cloud and on-premise environments
Ensure infrastructure is reproducible, scalable, and maintainable
Configure and maintain identity and access management solutions including:
Integrate systems with hospital identity providers and enterprise authentication platforms
Build and maintain monitoring, logging, and metrics pipelines
Detect and resolve system performance issues proactively
Participate in incident response, root cause analysis, and operational improvements
Ensure operational visibility across all deployed environments
Design and implement backup, restore, and disaster recovery strategies
Validate recovery processes and ensure data integrity
Ensure availability and protection of sensitive medical and operational data