Senior Systems Administrator [2022-149]


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.

We are seeking a Senior Systems Administrator to join our dynamic Infinity Systems Engineering team.

This Senior Systems Administrator will manage system user accounts, anti-virus updates and scans, and provide system integration, testing and cybersecurity support.

Summary of Responsibilities:

The work will also include use of a lab environment to test software (S/W) patches prior to deployment on the system. This position will additionally require working closely with Cybersecurity professionals to implement appropriate Security Technical Implementation Guides (STIGs) and Security Requirements Guides (SRGs) to close system vulnerabilities and meet Program of Objectives and Milestones (POA&M) requirements. This Systems Administrator will also provide Risk Management Framework (RMF) artifacts in support of Authority to Test (ATT) or Authority to Operate (ATO) declarations.


- Linux and Windows operating systems

- Preparing RMF packages

- Preparing Configuration Control Board (CCB) packages to support hardware and software changes to the system

- Preparing system reports through careful analysis of system data, performance, and trending

DOD 8570.01M IAT 2 certification is required

Secret Clearance required

Bachelor’s Degree in an IT related field.

At least 5-7 years of relevant experience (see Required Skills)

Colorado Springs, CO

Secret Clearance


$110K - $120K This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location.

U.S. Citizenship is required.
EOE including disability/vet

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

UNITED STATES – COVID-19 continues to significantly impact our communities, families and employees. In accordance with Executive Order 14042, effective January 18, 2022, we will require all newly hired employees in the United States to be fully vaccinated prior to their start date.