Senior Linux Systems Engineer
HeartFlow - Redwood City, CA

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HeartFlow is an exciting new revolutionary, VC-backed, medical device software start-up in Redwood City that has received international recognition for reaching exceptional strides in healthcare innovation. We are dedicated to changing cardiovascular healthcare through improvement in the accuracy of non-invasive diagnostic imaging. HeartFlow operates a service business that processes Computed Tomographic (CT) imaging to generate 3D models of patients’ coronary arteries for physicians’ use.

Job Responsibilities :
Lead the evaluation, selection and deployment of new technologies and tools

Provide expertise and consultation regarding system configuration and quality

Install, configure, maintain and administer a stable Linux environment and third party application components

Work with team to optimize system performance – working with applications, network, storage, database and server technology

Performs complex Linux administration activities

Solves unusual or highly technical problems

Perform troubleshooting and repair work at a hardware and software level

Able to diagnose, isolate, troubleshoot, and fix technical issues under pressure

Provide assistance with automation of software installation processes

Create, update, maintain and test Linux shell scripts

Participate in capacity planning

Define best practices for the setup of development and production environments

Design and review architecture of secure web systems for scalable deployment in modern cloud environment

Design and lead implementation of the company’s security architecture

Collaborate with the Software Architect to lead the architecture of the future application development environment

Define technology standards to minimize complexity and maximize reuse of technology and processes

Design and lead implementation for monitoring and logging across all technology systems

Design and lead implementation for the business continuity and disaster recovery plan

Skills Needed :
Detailed knowledge of Linux operating systems

Knowledge about architecting high availability and disaster recovery solutions

Strong network skills

Strong knowledge of data structures, algorithms, enterprise systems, and asynchronous architectures

Python programming

Understanding of web services software architectural issues

Strong knowledge of security principles and technologies

Desired Skills :
Knowledge of Amazon AWS products including EC2, S3, EBS, RDS, VPC, IAM, etc.

A familiarity with many of the following technologies: Saltstack , HAProxy, Mercurial, Git, Tomcat, Apache, RPM, YUM, MySQL, Nginx, ucarp, cacti, Kickstart, LDAP, Mail/Postfix, DNS, DHCP, KVM/QEMU, iPXE, TFTP, VPN, Palo Alto Networks, Force10, Aruba Wireless.

Healthcare industry knowledge

Educational Requirements & Work Experience :
B.Eng, B.S. or M.S in Computer Science

10+ years of experience designing, building and administrating complex Linux platforms

Experience with service oriented architecture

Experience with large distributed highly available services

Experience configuring, deploying and maintaining a distributed parallel fault-tolerant file system such as Lustre, GlusterFs, Panasas etc…

Experience with logging, monitoring and alerting

Experience with automatic configuration management

Experience with agile methodologies

Experience designing and building data centers

Proven track record on delivering results on time and on budget

HeartFlow, Inc. is an Equal Opportunity Employer. This company does not and will not discriminate in employment and personnel practices on the basis of race, sex, age, handicap, religion, national origin or any other basis prohibited by applicable law. Hiring, transferring and promotion practices are performed without regard to the above listed items.