Systems Administrator

We are looking to hire a Systems Administrator to work with a team of server administrators to configure new RedHat Enterprise Linux (RHEL) 8 servers to run in a production environment; migrate applications and data from exiting RHEL 6 servers to new RHEL 8 servers, and configure Apache to run PHP applications and .net 5 applications as a reverse proxy in a load-balanced environment.

Basic Experience:

Experience working with and administering RedHat Enterprise Linux (RHEL)

Expertise installing and configuring Kerberos on Linux

Strong Linux shell scripting skills

Experience working with F5 load balancers

Expertise installing, configuring, and securing Apache on Linux, including but not limited to configuring:

  • SSL
  • Reverse proxies
  • mod-rewrite
  • Kerberos integration
  • Load balancing

Experience configuring Apache to run PHP applications

Ability to quickly troubleshoot and resolve issues related to web applications and their server configuration

Experience configuring web servers to connect to MS SQL Server and Oracle Databases using application pool accounts and Kerberos Delegation of multiple connections.

Preferred Experience:

Experience configuring, securing, and administering .Net Core or .Net 5 to run on a Linus server using Kestrel and Apache as a reverse proxy server

Experience configuring, securing, and administering .NET applications to run on Windows Server / IIS


The Coleman Group, Inc. is an equal opportunity employer and will not discriminate against any applicant for employment based on race, color, religion, national origin, gender, gender identity or expression, sexual orientation, disability or veteran status, political affiliation, or on any other basis prohibited by law.

Reasonable accommodations are available to persons with disabilities during application and/or interview processes per the Americans with Disabilities Act. For accommodation requests or assistance with this form, contact The Coleman Group HR at 301-794-4914 orĀ