Senior Systems Administrator

Chicago, IL /
Engineering & Technology – Software Systems /
Full-Time
As an entrepreneurial U.S.-based company that’s competing on a global scale, JMA is growing at an incredible pace – and we’re just getting started. We’re a leading global innovator of mobile connectivity solutions. We design and build next-generation in-building and outdoor mobile wireless systems, delivering the industry’s most powerful technologies that enable LTE, 5G and CBRS services on mobile operator networks worldwide. Whether our teammates working on the manufacturing floor creating products or working side by side with our customers at an installation, we are never satisfied with the status quo.  We never settle, every person in every position has the power to make an impact.

Duties and Responsibilities:

    • Proactively maintain and develop all Linux internal infrastructure technology to maintain a 24x7x365 uptime service
    • Engineering of systems administration-related solutions for various project and operational needs
    • Maintain best practices on managing systems and services across all environments
    • Fault finding, analysis and of logging information for reporting of performance exceptions
    • Proactively monitoring system performance and capacity planning
    • Manage, coordinate, and implement software upgrades, patches, hot fixes on servers, workstations, and network hardware
    • Create and modify scripts or applications to perform monitoring tasks
    • Provide input on ways to improve the stability, security, efficiency, and scalability of the environment
    • Collaborate with other teams and team members to develop automation strategies and deployment processes
    • Help development team institute and understand best practices

Qualifications and Requirements:

    • 5+ years of previous working experience as a Linux Administrator
    • Bachelor's degree in Computer Science, Information Systems or similar relevant degree 
    • Deep knowledge of Linux: RedHat, CentOS, Debian, etc.
    • Hands on experience with Postgres/Influxdb/promethus/Grafana
    • Familiarity with SaltStack and Ansible a plus
    • Familiarity with KVM/VMWare/VirtualBox and SAN management and concepts
    • Familiarity with Docker and Kubernetes
    • Expert in Shell, Perl, and/or Python scripting
    • Solid knowledge of protocols such as DNS, HTTP, LDAP, SMTP and SNMP
    • Additional Linux certifications (RHCT, RHCE and LPIC) will be considered an advantage
    • Strong problem solving and communication skills


    • #LI-MP1
JMA offers a total rewards package designed to support your life, both in and outside of work.  When you join our team, you have immediate access to numerous benefits and perks that fit your specific needs. Whether you're looking for employee discounts, financial, legal and/or childcare resources and support, we have you covered! We believe in providing comprehensive health and wellness coverage along with monetary rewards towards health goals, in addition to numerous company-provided personal protection benefits at no additional cost to you. Investing in our employees is our #1 priority.  Are you in?

At JMA Wireless, we don’t just accept differences — we celebrate, support, and thrive on them for the benefit of our employees, our products, and our community. JMA Wireless is proud to be an equal opportunity workplace. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristic.