Red Hat Linux System Administrator [2021-142]


Infinity is a small business with extensive experience supporting aerospace and defense systems. Make a positive impact and join our Infinity Systems Engineering team who thrive on innovative ideas and meeting challenges for success.

Infinity, an exceptional and growing small business, is looking for experienced (5+ years), certified, and cleared full-time Systems Administrators in the Colorado Springs area for MILSATCOM system development and sustainment support at Peterson AFB.

Summary of Responsibilities:

The sustainment team needs your experience and skills maintaining and sustaining this vital satellite communications mission and the ground systems that support it. You will perform all of the typical duties and tasks involved with the administration of IT systems, such as installs, patching, configuring, performing backups, user management, and security compliance.

• The System Administrator’s primary responsibilities are participating in the implementation, maintenance, and support of information technologies, to include Red Hat Enterprise Linux, Oracle Solaris, and Microsoft Windows systems and components.

• The Administrator develops, schedules, and performs installations and upgrades to OS/COTS, software, and database packages in accordance with established IT policies and procedures.

• In addition, this position will coordinate the overall integration on new development systems as they transition to sustainment.

• This position is also responsible for managing appropriate software solutions to ensure server data integrity, monitoring and tuning the system to achieve optimum performance level, monitoring security alerts and application systems, and working with other staff to ensure that all appropriate patches are applied in an automated and timely fashion.


• Significant Red Hat Enterprise Linux administration experience – Solaris and Windows experience highly desired

• Administering complex IT systems, workstations and servers, & networking

• Having and maintaining current DoD 8570 certification, Security+ level or better

• Agile and/or DevSecOps background desired

• Understanding and implementing RMF (Risk Management Framework) desired

• Test and integration experience desired

Working Knowledge of: Clearcase, ClearQuest, GitLab, VersionOne desired

• Experience with DoD Secret systems and environments desired

• Understanding the military’s satellite communications missions and operations desired

Bachelors or equivalent experience


Peterson AFB, Colorado Springs, CO


September 2021

$85K to $110K

U.S. Citizenship is required.
EOE race/color/sex/sexual orientation/gender identity/disability/vet

To learn more about our benefits, please visit: Infinity Careers