Signature Science, LLC
  • - TX-Austin
  • Austin, TX, USA
  • Full Time

Position Purpose:   

The Systems Administrator serves to assist and support planning, design, installation, implementation, and maintenance of all IT infrastructure services.


Essential Duties and Responsibilities:

  • Configure, operate, and maintain server and network systems to satisfy requirements defined in RMF ICD-703, NISPOM, NIST SP 800-171, and the DHS 4300 Sensitive Systems Handbook.
  • Maintain Exchange email systems, to include the analysis of message flow, internal Client Support Team service escalation requests, third party connections, servers, and site design.
  • Maintain Active Directory Domain Services, DNS, RADIUS, and DHCP services.
  • Configure and maintain Windows Hyper-V host and virtual servers.
  • Anticipate, mitigate, and communicate any potential impact of changes to ensure the availability of corporate IT services.
  • Develop test plans and procudures for any new IT infrastructure or systems implementations.
  • Document all changes and solutions to problems in a centralized knowledge base.
  • Support the Cybersecurity and Client Support Teams as a subject matter expert in modern Microsoft Windows Platforms (Windows 10 and Windows Server 2012+).


Required Knowledge, Skills & Abilities:

  • Experience configuring and maintaining IT systems required to meet RMF ICD-703, NIST SP 800-53, NIST SP 800-171, DHS 4300 Sensitive Systems Handbook, and NISPOM requirements
  • In-depth knowledge of Windows Core Services (e.g., DNS, DHCP, AD DS, Kerberos, AD RMS/IRM, Hyper-V, PKI/Certificates, FTP, IIS, etc.)
  • Experience managing and maintaining Exchange 2013/2016/Online.
  • Proficiency in written and oral communication to allow for efficient and effective exchanges with users and to produce quality written products
  • High level of attention to detail
  • Ability to manage multiple tasks simultaneously



  • Bachelors Degree in Information Technology, Computer Science, or a related field is required. Four year's professional experience working in an IT-related role may be substituted in lieu of a degree.
  • A minimum of six years' experience working in an IT related role. If professional experience is utilized to satisfy the education requirement, a total of at least ten years' experience is required.


Certificates and Licenses:

A certification identified in DoD 8570.01-M Appendix 3 at the IAT Level II or higher is preferred.


For a list of approved certifications, visit



This position requires that the candidate be willing and able to complete a successful background screening for a security clearance. Candidates with an active security clearance will receive preference.


Supervisory Responsibilities:



Working Conditions/ Equipment:

Office environment; must be flexible to work nights and weekends to meet corporate deadlines; must be able to lift/carry IT equipment on a daily/weekly basis; occasional contact with lab materials; ability to sit for long durations in front of a computer.



The above job description is not intended to be an all-inclusive list of duties and standards of the position.  Incumbents will follow any other instructions, and perform any other related duties, as assigned by their supervisor.







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