Demo

Systems Administrator

Signature Science, LLC
Charlottesville, VA Full Time
POSTED ON 3/4/2026 CLOSED ON 4/2/2026

What are the responsibilities and job description for the Systems Administrator position at Signature Science, LLC?

Position Purpose:


The Systems Administrator assists with and supports the planning, design, installation, implementation, and maintenance of servers, endpoint devices, and services operated exclusively on behalf of external clients.

 

Essential Duties & Responsibilities:

 

  • Configure, harden (STIG), operate, and maintain servers, desktops, and network systems to meet requirements defined in RMF ICD-703, NISPOM, NIST SP 800-171, NIST SP 800-53, and the DHS 4300 Sensitive Systems Handbook in support of assigned project(s).
  •  Maintain Active Directory Domain Services, DNS, DHCP and WSUS services for assigned project(s).
  •  Configure and maintain Windows Hyper-V and VMWare vSphere hosts, clusters, and virtual servers for assigned project(s).
  • Configure and maintain Microsoft SQL Server Always On Availability Cluster.
  • Maintain enterprise backup solutions to ensure reliable backup and restoration of project servers.
  • Update all firmware and software of all project systems in an offline environment.
  • Anticipate, mitigate, and communicate any potential impacts of changes to ensure service availability.
  • Design, quote, build and develop test plan procedures for new IT infrastructure or systems implementations for assigned project(s).
  • Document all changes and solutions to problems in a centralized knowledge base.
  • Maintain system and user documentation per Authority to Operate (ATO) requirements.
  • Serve as a Subject Matter Expert to explain technical issues to customers and users.
  • Conduct NESSUS scans, create checklists, and apply vulnerability remediations.
  •  Mange several custom applications, including patching and fixing with developer assistance if issues arise.

 

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.).
  • Strong written and verbal communication skills to enable efficient and effective exchanges with users and customers, producing clear and accurate documentation.
  • High attention to detail.
  • Ability to manage multiple tasks simultaneously.

Preferred:

  • Experience administering IT systems in classified environments and supporting systems with both classified and unclassified designations. Familiarity with VMware NSX or other network virtualization technologies.
  • Experience with automation scripting (PowerShell, Python, etc.) for system administration tasks.
  • Knowledge of Zero Trust Architecture principles and implementation.
  • Experience with patch management and vulnerability scanning in offline or air-gapped environments.
  • Familiarity with cloud environments such as Azure Government or AWS GovCloud.
  • Prior work supporting DoD, DHS, or Intelligence Community programs.

 

Education/Experience:

  • Bachelor’s Degree in Information Technology, Computer Science, or a related field required. Four years of professional IT experience may be substituted in lieu of a degree.
  • Minimum of six years of experience working in an IT-related role. If professional experience is substituted for education, a total of at least ten years of experience is required.

Certificates/Licenses:

  •     Required to possess (or obtain within 90 days of hire) a current and valid SecurityX (formerly CASP ) certification to comply with DoD 8140 requirements for the Systems Administrator (Advanced) Work Role. The following certifications will also meet the requirement: CCNP Security, CCSP, FITSP-O, or GFACT.
  •     Preference will be given to candidates with an active and valid certification.

Clearance:

  • Must be willing and able to successfully complete a background investigation for a security clearance and counterintelligence (CI) polygraph examination.
  •     Active TS/SCI security clearance preferred.

Working Conditions/Equipment:

  • Primary work performed in an office environment; must be flexible to work nights and weekends as needed to meet deadlines.
  • Must be able to safely lift and carry up to 50 lbs of IT equipment, including servers and rack-mounted hardware, as required.
  • May occasionally be required to perform work in laboratory environments in accordance with established safety protocols.
  • Ability to remain seated at a computer workstation for extended periods.

 

 

  • 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.

Salary : $80,000 - $100,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Systems Administrator?

Sign up to receive alerts about other jobs on the Systems Administrator career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$83,502 - $107,152
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$123,198 - $153,566
Income Estimation: 
$101,597 - $131,824
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$123,198 - $153,566
Income Estimation: 
$71,693 - $93,985
Income Estimation: 
$85,059 - $120,527
Income Estimation: 
$90,936 - $120,778
Income Estimation: 
$83,502 - $107,152
Income Estimation: 
$101,597 - $131,824
Income Estimation: 
$128,195 - $161,806
Income Estimation: 
$149,354 - $186,884
Income Estimation: 
$123,198 - $153,566
Income Estimation: 
$128,195 - $161,806
This job has expired.
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Signature Science, LLC

  • Signature Science, LLC Egg Harbor, NJ
  • Position Purpose: We are seeking a highly qualified Air Cargo Test Engineer with subject matter expertise in air cargo screening technologies who will lead... more
  • 9 Days Ago

  • Signature Science, LLC Austin, TX
  • Position Purpose: The incumbent is responsible for performing DNA testing for forensic casework while complying with client and company requirements. Will ... more
  • 9 Days Ago

  • Signature Science, LLC Egg Harbor, NJ
  • Position Purpose: We are seeking a skilled Chemical Engineer to lead the scale-up of energetic material synthesis from laboratory to production scale. This... more
  • 10 Days Ago

  • Signature Science, LLC Egg Harbor, NJ
  • Position Purpose: We are seeking an experienced RF Engineer to join our team and lead advanced radio frequency testing, measurement, and analysis initiativ... more
  • 14 Days Ago


Not the job you're looking for? Here are some other Systems Administrator jobs in the Charlottesville, VA area that may be a better fit.

  • Shine Management Inc. & Shine Systems Charlottesville, VA
  • Company Description Improving Your Mission through Meaningful Innovation Creating a vision of how your organization works is the first step. Building the s... more
  • 29 Days Ago

  • Apex Systems Charlottesville, VA
  • Job#: 3028687 Job Description: Senior Workday Security Administrator Location: Remote. Client in Charlottesville, VA Employment type: Direct hire with a 2 ... more
  • 10 Days Ago

AI Assistant is available now!

Feel free to start your new journey!