Demo

Senior IT Systems Administrator

Riverside Research Institute
Fairfax, VA Other
POSTED ON 11/23/2025
AVAILABLE BEFORE 11/18/2026

Riverside Overview

Riverside Research is an independent National Security Nonprofit dedicated to research and development in the national interest. We provide high-end technical services, research and development, and prototype solutions to some of the country’s most challenging technical problems.    All Riverside Research opportunities require U.S. Citizenship.  

Position Overview

Riverside Research seeks a personable and highly technical individual capable of providing information technology support to groups performing cutting-edge research supporting national security interests. In the role of Senior IT Systems Administrator, a successful candidate will leverage experience supporting Linux and Windows-based IT infrastructure as well as DevOps-oriented tools and processes to provide end-user support, operation, and maintenance of IT systems in several classified computing environments. As a part of a large, distributed team of IT professionals, this role affords a self-motivated candidate a high degree of flexibility and autonomy, permitting you the opportunity to learn and grow while making a direct impact on national security.  This is an on-site position located at our Fairfax office.

Responsibilities

  • Provide Tier 2 and Tier 3 operations and support of VMware based environment with Linux and Windows based operating systems across multiple national security information systems
  • Coordinate with Engineering and Helpdesk personnel to ensure seamless and reliable network operations
  • Employ creative solutions and cutting-edge technologies to ensure the security, integrity, and availability of multiple national security systems
  • Act as liaison and advocate between customer, IT management, Engineering, and Information Security staff
  • Maintain, execute, and improve established system operation processes and procedures
  • Assess system failures with all available tools and knowledge to enable the customer to meet contractual obligations
  • Coordinate all significant information technology changes with the appropriate parties such as management, infrastructure, and information security following management procedure
  • Other duties as assigned

Qualifications

 

  • Active Top-Secret clearance with SCI adjudication and a CI Poly
  • Bachelor's degree with a minimum of 8 years of IT experience or advanced degree with a minimum of 5 years of IT experience
  • Ability to manage time independently without direct supervision
  • Capability to troubleshoot complex information technology problems using all available resources
  • Experience upgrading, installing, and configuring application software and computer hardware
  • Knowledge of communication security processes and procedures including related hardware
  • DoD 8140 (451) Systems Admin - Intermediate Certification (Security or Equivalent)

Desired Qualifications:

  • 2 years of Linux experience 
  • Working knowledge of Platform One-aligned infrastructure technologies
  • Experience with traditional IT stack (Clients, Networking, Servers, Storage) 
  • Demonstrable experience installing, configuring, and supporting Linux-based operating systems
  • Implemented STIGS on Windows and/or Linux operating systems

Global Comp

$115,000- $175,000 This represents the typical compensation range for this position based on experience, location and other factors.

Closing Statement

  Riverside Research Institute is a not-for-profit, technology-oriented defense company, where service to our customers and support of our staff is our overall mission. Riverside is an affirmative action-equal opportunity employer and complies with all applicable federal, state, and local laws regarding recruitment and hiring.  Riverside offers comprehensive compensation and benefit packages to our employees. Riverside bases its employment decisions solely on technical experience, qualifications and other job-related criteria related to our organizational purpose as a not-for-profit company, and without regard to race, color, religion, age, sex marital status, sexual orientation, national origin, physical or mental disability, veteran’s status or any other status legally protected by applicable federal, state, and local law.

Salary : $115,000 - $175,000

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 Senior IT Systems Administrator?

Sign up to receive alerts about other jobs on the Senior IT Systems Administrator career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$118,976 - $146,289
Income Estimation: 
$115,719 - $153,093
Income Estimation: 
$137,343 - $165,639
Income Estimation: 
$135,811 - $184,429
Income Estimation: 
$120,390 - $162,969
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$128,195 - $161,806
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Riverside Research Institute

Riverside Research Institute
Hired Organization Address Lexington, MA Other
Riverside Overview Riverside Research is an independent National Security Nonprofit dedicated to research and developmen...
Riverside Research Institute
Hired Organization Address Lexington, MA Other
Riverside Overview Riverside Research is an independent National Security Nonprofit dedicated to research and developmen...
Riverside Research Institute
Hired Organization Address Beavercreek, OH Other
Riverside Overview Riverside Research is an independent National Security Nonprofit dedicated to research and developmen...

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

Systems Administrator - Senior

By Light Professional IT Services LLC, Mc Lean, VA

Systems Administrator - Senior

By Light Professional IT Services LLC, Mc Lean, VA

AI Assistant is available now!

Feel free to start your new journey!