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Job Opening. Systems Administrator – Linux


Ability to work within Indianapolis’s most young and aggressively growing company.

  • Winner of Techpoint’s 2017 Mira Award for Tech Company Culture of the Year

MOBI Wireless Management is currently seeking an energetic, enthusiastic, and experienced Linux Specialist- Systems Administrator to complement our growing Infrastructure Team.


Our Tech 

  • Linux Based Software
  • Ruby 2, Rails 4, Postgres 9.3, Redis, Resque, MySQL 5.6, Coldfusion 9 & 11, nginx-modsecurity, PHP-5.3
  • & 5.4, PHP-fpm, Python 2, Apache 2.2
  • 64 unicorns (which we refer to as a herd, or “miracle”, of unicorns) for our largest application
  • Load-balanced server architecture with redundant application, background job, DB and fileshare servers
  • A number of monitoring tools – Nagios, Splunk, Airbrake, NewRelic, etc
  • RHEL/CentOS-based server infrastructureAbility to work independently as well as in a team environment including multi-level staff and external partners.


  • Strong Microsoft Office, written and oral communication skills
  • Basic understanding of virtualization technology
  • Experience with web servers: nginx, Apache
  • Experience with the following languages: BASH, Python, Perl
  • Experience with an RDBMS such as MySQL or PostgreSQL
  • Experience in a large, highly available environment
  • Experience with monitoring applications such as Cacti & Nagios
  • Experience working with firewalls and IDS (iptables, fail2ban)
  • Knowledge of OSI model, TCP/IP model (aka Internet protocol suite)
  • Knowledge of Operating Systems and Common Application Layer protocols
  • Bonus Points: Experience with SELinux; A+, Network+, Linux+ or RHCSA certification



  • Build and maintain performant and highly available hosted infrastructure
  • Ensure availability of hosted applications conforms to established SLAs
  • Assist with daily and continuous monitoring of all servers located within MOBI’s public and private cloud
  • Monitor and advise on system capacity, resource consumption, network configuration, and data security issues
  • Partner with development team to maintain and improve performance of hosted applications
  • Partner with other departments or teams on projects, tasks or issues as necessary
  • Respond to and resolve IT Tickets in a timely fashion according to priority
  • Ensure hosted infrastructure complies with all MOBI security policies and 3rd party certifications
  • Identify and report any potential issues with package upgrades.
  • Communicate outages and/or customer impacting issues effectively and efficiently
  • Participate in a 24/7/365 on-call rotation
  • Provide timely response, communication and updates to system pages
  • Attend and perform preventative work during monthly maintenance window
  • Attend and perform emergency or security maintenance windows when necessary
  • Other duties as assigned


MOBI is a young and aggressively growing company headquartered on the northwest side of Indianapolis. We combine the power of service-minded people with user friendly technology to help our clients manage their mobility programs. We define our purpose to our customers as being their relentless ally in the world of mobility. We strive daily to be viewed as a trusted advisor to our clients, and seek to foster a relationship of open communication and collaboration.

Team MOBI is made up of 300+ full time employees, all from various departments including customer service/operations, account management, web development, accounting, expense management, logistics, marketing and sales. Our employees choose MOBI for a variety of reasons. These are a few:

  • Competitive pay and benefits
    Our employees enjoy a generous base salary plus a variety of benefits including health, dental and vision, insurance, plus 401k.
  • Team environment
    The MOBI team is built upon an informal and open culture. We actively encourage all members to bring and share their ideas
  • Corporate Culture
    Take a moment to check out our Facebook Page and you will see what we mean. We value smart, creative, hard working people. Together we create an awesome work environment
  • Career path
    Many companies say they promote from within, but at MOBI we live it. We are enjoying tremendous growth, and that has equated to great promotion opportunity within our company
  • Core values
    We strive every day to embody our core values: Pay Attention, Own It, Work Together, Expect Change and Respect People. Having common goals and values help us to stay focused on what is important.
  • MOBI is different!
    A quick virtual tour of our office shows that we take the balance between work and play very seriously. Whether your antidote to stress is a massage chair, ping-pong match, playing video games or sinking a putt on our indoor putting green, we have you covered!

Interested? We'd love to hear from you!

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