Senior Linux Systems Administrator

Location: Cambridge, MA

Type: Full Time

Min. Experience: Experienced


Company Overview

Imagine if we could match patients with the treatments that prove the most effective for them . . .

GNS Healthcare applies causal machine learning and simulation technology to predict which treatments will work for which patients, improving individual patient outcomes and the health of populations, while reducing the total cost of care.

Headquartered in the biotechnology center of Cambridge, MA, our technology is based on its MeasureBase™ data integration architecture and patented REFS™ (Reverse Engineering and Forward Simulation) causal inference and simulation engine. Health plans, bio-pharmaceutical companies, healthcare providers, foundations, academic medical centers, and self-insured employers use GNS’ cloud-based solutions to solve pressing and costly problems including those surrounding metabolic syndrome, medication adherence, end-of-life care, preterm birth, personalized care pathways in specialty care, oncology, and diabetes, new drug target discovery, patient stratification in clinical trials, and more. GNS solutions focus on reducing adverse events, slowing disease progression, and improving therapeutic effectiveness through precision matching that maximizes impact on individual patient health outcomes while reducing wasteful spending and downstream medical costs.

Job Summary

This role will ensure the timely, efficient, secure implementation of enterprise infrastructure solutions to help power GNS’s products and services.  This position represents a tremendous opportunity to support enterprise-wide solutions for an individual capable of working in a fast-paced, customer-focused, and challenging environment.  We are looking for someone who is a strong problem solver and has the ability and willingness to constantly learn and update their skills as well as be able to establish themselves as a critical player within a team.

The position, reporting to the Director of IT, is responsible for supporting operations and scoping, planning, designing, delivering, and maintaining systems in a security–critical environment based on needs and requirements.  The Senior Linux Systems Administrator will play an active role within the organization on a continuing basis and must be able to adapt and learn quickly.  The Senior Linux Systems Administrator will play an active role within the organization on a continuing basis, working together with our Information Technology team, and must be able to adapt and learn quickly.  Attention to detail and completeness of work (documentation) will be expected.

This is an exciting opportunity to help a rapidly growing company.


  • Create and manage tools and processes, with a relentless focus on operational excellence, scalability, reliability, high availability, performance, security, and software maintainability
  • Continuously improve system monitoring infrastructure and situational awareness
  • Maintain network and security and proactively monitor on premise and cloud servers, storage, security, applications, and services
  • Analyze and resolve problems associated with on premise and cloud servers, hardware, applications, and software
  • Work with the product and cloud architects to implement test strategy and support the deployment platform of choice
  • Understand the importance of security in a healthcare environment and be a leader in making sure our policies and procedures are followed
  • Support scientists, engineers and developer’s IT needs
  • Provide best practices for utilization of hardware, storage, and cloud resources
  • Repair and upgrade hardware and software as necessary
  • Manage all wired and wireless networks
  • Help optimize software development and deployment
  • Prepare and implement backups and disaster recovery plans
  • Write system scripts for daily administration and document system infrastructure
  • Install new software releases, system upgrades, evaluate and install patches, and resolve software and hardware related problems.
  • Perform system backups and recovery
  • Support peer Systems and Cloud Administrators on other projects and tasks in addition to operational duties
  • Implement and support new applications and technologies entering the infrastructure
  • Provide prompt and courteous customer support to end users and troubleshooting activities
  • Record and respond to technical incidents and requests using the Service Desk ticketing system while adhering to performance metrics
  • Assisting with new technology investigations, coordinating implementations and support of new enterprise applications and technologies entering the infrastructure, writing and updating service and procedural documentation, proposing and implementing process improvements, and working collaboratively with peer Systems Administrators and support teams

Qualifications and Skills

  • 5+ years of IT experience with sysadmin, devops, and network management in a highly scalable production environment
  • Specific experience with:
    • Supporting scientific and statistical data systems
    • Advanced knowledge of Linux/Unix operating systems (Ubuntu Preferred)
    • Working in a virtualized Linux environment
    • Linux/Unix shell scripting (Python Preferred)
    • Linux software package installation, repository management, source compilation dependency, and library management
    • Networked applications and services in a Linux High-Performance Cluster environment
    • Domain knowledge in HPC and system software, such as cluster management/provisioning tools, job schedulers, etc. - including administration of MIT’s StarHPC/ StarCluster
    • IT automation software (e.g. Ansible, Puppet, Chef)
    • Cloud Virtualization platforms such as AWS
    • Performing systems and network administration tasks with a demonstrated technical breadth or depth in network switching and routing, network services (DNS, DHCP, SNMP), wireless networking, network and systems security, Microsoft Windows Server administration, Active Directory, Microsoft Exchange, VM and storage infrastructure, and VoIP telephone systems
    • Using group policies to secure the Active Directory environment to meet security compliance requirements.  Secure Windows servers and workstations using well known established guidelines such as NIST, HIPAA, and HITRUST
    • Hands-on management of a Windows Network using SCCM, WSUS, ESET Antivirus and Endpoint Protector encryption or similar technologies is strongly recommended.  Experience in securing a Windows network using group policies in a single forest, multiple domains, multiple sites Active Directory infrastructure. Experience integrating Active Directory with multiple OSes (e.g. Windows, Mac, Linux)
    • Healthcare privacy and security (e.g. HIPAA, HITRUST) experience a plus
  • Solid communication and collaboration skills
  • BA/BS in Computer Science, Computer Engineering, Information Science, or related discipline preferred

Company Culture

Our philosophy at GNS is simple:  we cannot transform healthcare with anything less than an all-star team. We are seeking smart, driven people who are experts in their field, have track record to success and a passion for creating change. We believe that strong teams supercharge the performance of individuals, create a fun and dynamic workplace and great results for our clients and the people they serve.

We are passionate about our work and believe in the ability of our technology to change the world. Our core values of integrity, collaboration, value, diversity, and game-changing guide our behaviors with each other and our clients.

GNS offers competitive salaries, stock options, unlimited vacation, health, dental and vision insurance, life insurance, long-term disability, 401(k), and much more.

Equal Employment Opportunity

GNS Healthcare provides equal employment opportunities to all employees and applicants for employment without regard to race, color, national origin, religion, sexual orientation, gender, gender identity or expression, age, veteran status, disability, or genetics. In addition to federal law requirements, GNS Healthcare complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities.

 No phone calls or Recruiters, please.

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