Senior Systems Administrator - Linux

Location: Ann Arbor, MI

Type: Full Time

Min. Experience: Experienced

A2 Hosting, Inc. is a premier high performance Linux hosting company with clients around the world. We are currently seeking an experienced Senior Systems Administrator who can help us further develop our platforms and products as we continue to grow!

The Senior Systems Administrator is an integral part of the company. This position works closely with the Systems Team to continually improve upon our existing infrastructure and to keep us up-to-date with new and innovative products & technologies. This position will also diagnose and fix complex hardware, software and network issues along with a heavy focus on R&D.

Employment Type: Full-time, Exempt.  Telecommuting is possible for the right candidate!


  • Design system architecture including hardware, software, network, new products
  • Be the last line of defense for problems with complex systems and network-wide issues
  • Automate systems and processes for increased efficiency
  • Build extensive tools for yourself, your colleagues and support staff to make their lives easier, and our clients happier
  • Develop and manage internal systems for everything ranging from inventory tracking to user authentication
  • Research and development of new technologies for new products and helpful tools
  • Contribute to policy and infrastructure decisions

Must have:

  • 5+ years of Linux System Administration experience, CentOS/RHEL preferred
  • Advanced proficiency scripting automation and tools (python, bash, perl, and/or ruby)
  • Advanced experience managing network services (HTTP (Apache), Mail (exim) , DNS (bind/PowerDNS), MySQL)
  • Experience coding for larger scale projects beyond simple scripting (a working knowledge of OO PHP would be great, but as long as you've got something you can make work!)
  • A strong passion for automation
  • Familiarity with configuration management systems such as SaltStack/Puppet/Chef/cfEngine
  • Ability to work on your own or in a team
  • Great written communication skills

Nice to have:

  • Experience with cPanel/WHM
  • Experience with network management using Cisco products
  • Experience with LDAP
  • Experience working in a Scrum/Agile environment

We have the following to offer:

  • Subsidized health insurance, dental and vision coverage also available.
  • Paid parental leave.
  • Company-matching 401k, traditional or Roth.
  • Short-term and long-term disability coverage.
  • Company provided life insurance.
  • Paid vacations, holidays and sick time.
  • Regular company events such as summer BBQs and holiday parties.
Forward this Position
Recipient email address (one)
Your name
Your email address
Enter a message (optional)
Human Check*
Apply for this Position
* Required fields
First name*
Last name*
Email address*
Location *
Phone number*

Attach resume as .pdf, .doc, or .docx (limit 2MB) or paste resume

Paste your resume here or attach resume file

Cover Letter
Who referred you to this position?
What’s your citizenship / employment eligibility?*
Are you 18 years of age or older?*
LinkedInLinkedIn profile URL:
Website, blog or portfolio:
What languages do you speak fluently?*
Desired salary*
Have you ever been convicted of a felony?*
In 150 characters or fewer, tell us what makes you unique. Try to be creative and say something that will catch our eye!*
References: Please enter names and contact information:
You have 60 seconds to diagnose a server problem. Explain what you do and why.*
What are your thoughts on systemd?*
How do you determine if something is a hardware or a software problem?*