Demo

System Administrator III

Noblis and Careers
Chantilly, VA Full Time
POSTED ON 3/12/2026
AVAILABLE BEFORE 5/11/2026
Responsibilities:

As a Systems Administrator, you will be responsible for installing, configuring, and maintaining operating system workstations and servers, including web servers. You will support the multi-enclave environment (Unclassified, Secret, and Top Secret/SCI) that enables users to collaboratively perform their work using a variety of tools and applications.

Job Responsibilities

  • Install, configure, and maintain operating system workstations and servers.
  • Perform software installations and upgrades to operating systems and layered software packages.
  • Schedule installations and upgrades in accordance with established IT policies and procedures.
  • Monitor and tune systems to achieve optimum performance levels.
  • Ensure workstation/server data integrity by implementing appropriate software and hardware solutions.
  • Ensure data/media recoverability through system backups and database archive operations.
  • Develop and promote standard operating procedures.
  • Conduct routine hardware and software audits to ensure compliance with standards and configurations.
  • Develop and maintain comprehensive operating system hardware and software configuration databases.
  • Support analytical tool infrastructure.
  • Participate in Program Increments (PIs) and Agile Release Train (ART) activities.
  • Respond to and resolve critical incidents within designated resolution timelines.
Required Qualifications:
  • Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI) and ability to obtain a Counterintelligence (CI) Polygraph.
  • US Citizenship is required.
  • Experience with virtualization technologies.
  • Understanding of security requirements in government environment.
  • Bachelor's degree or master's degree with 8 years of experience of experience OR Associate degree with 11 years of experience OR High School/Diploma with 14 years of experience.
  • Minimum of 8 years of experience in systems administration.
  • Proficiency level with:
    • Complex multi-enclave environments
    • Advanced system security hardening
    • High-availability system configurations
    • Disaster recovery planning and implementation
    • Advanced troubleshooting and problem resolution
    • System automation and orchestration
    • Performance optimization techniques
    • Capacity planning and resource management

#FundedPosition

Desired Qualifications:
  • Active TS/SCI with CI Polygraph
  • Experience with:
    • Cloud platforms (AWS GovCloud, SC2S, C2S)
    • Containerization (Docker, Kubernetes)
    • Configuration management tools
    • LDAP/OpenLDAP, ADFS, Keycloak
    • Elasticsearch, Splunk, and other data platforms
    • DevSecOps practices and tools
    • SAFe Agile methodologies
Overview:
Noblis and our wholly owned subsidiaries, Noblis ESI, and Noblis MSD tackle the nation's toughest problems and apply advanced solutions to our clients' most critical missions. We bring the best of scientific thought, management, and engineering expertise together in an environment of independence and objectivity to deliver enduring impact on federal missions. Noblis works with a wide range of government clients in the defense, intelligence and federal civil sectors. Learn more at Noblis -About Us

Why work at a Noblis company?
Our employees find greater meaning in their work and balance the other things in life that matter to them. Our people are our greatest asset. They are exceptionally skilled, knowledgeable, team-oriented, and mission-driven individuals who want to do work that matters and benefits the public. Noblis has won numerous workplace awards. Noblis maintains a drug-free workplace.

  • Remote/hybrid status is subject to change based on Noblis and/or government requirements
Commitment to Non-Discrimination:
All qualified applicants will receive consideration for employment without regard to race, color, ethnicity, sex, age, national origin, religion, physical or mental disability, pregnancy/childbirth and related medical conditions, veteran or military status, or any other characteristics protected by applicable federal, state, or local law.

If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact us.
EEO is the Law | E-Verify | Right to Work


Total Rewards:
At Noblis we recognize and reward your contributions, provide you with growth opportunities, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work-life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category. We encourage you to learn more about our total benefits by visiting the Benefits page on our Careers site.

Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. The projected compensation range for this position is based on full time status. For part time or on-call staff, compensation is proportionately adjusted based on hours worked. While monetary compensation is important, it's just one component of Noblis’ total compensation package.


Posted Salary Range: USD $99,800.00 - USD $156,050.00 /Yr.

Salary : $99,800 - $156,050

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 System Administrator III?

Sign up to receive alerts about other jobs on the System Administrator III career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$104,896 - $133,785
Income Estimation: 
$128,195 - $161,806
Income Estimation: 
$128,195 - $161,806
Income Estimation: 
$149,354 - $186,884
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 Noblis and Careers

  • Noblis and Careers Reston, VA
  • Responsibilities: This opening is in support of a proposal effort (Anticipated Start: August 2026) and is contingent upon contract award Overview: We are b... more
  • 1 Day Ago

  • Noblis and Careers Arlington, VA
  • Responsibilities: Pipeline Requisition – Proposal (Anticipated Start: August 2026) Location: Pentagon, Washington, D.C. (subject to award) Contract Type: P... more
  • 1 Day Ago

  • Noblis and Careers Arlington, VA
  • Responsibilities: This is for an upcoming future opportunity. This will be an onsite position at the Pentagon. This position is part of a proposal effort a... more
  • 1 Day Ago

  • Noblis and Careers Philadelphia, PA
  • Responsibilities: Noblis MSD is seeking PLC Programmers in Philadelphia, PA. Noblis MSD’s mission is to support the Naval Sea Systems Command (NAVSEA) and,... more
  • 1 Day Ago


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

  • Capital Technology Information Services Rockville, MD
  • Supervise and manage the daily activities of configuration and operation of systems which may be mainframe, mini, or client/server based. Plan and monitor ... more
  • 12 Days Ago

  • System One Andrews, MD
  • Job Title: SYSTEM ADMINISTRATOR Location: JBA, Maryland The System Administrator will support the Air Force Review Boards Agency (AFRBA) Case Management Tr... more
  • 1 Month Ago

AI Assistant is available now!

Feel free to start your new journey!