Today
Top Secret/SCI
Mid Level Career (5+ yrs experience)
Full Scope Polygraph
IT - Support
Chantilly, VA (On-Site/Office)
Job Title: Systems Administrator
Location: Chantilly, VA
Clearance: TS/SCI with Full Scope Polygraph (Required)
Company: Quantum Science Solutions (QSS)
Compensation: Open Rate
Position Overview
Quantum Science Solutions (QSS) is seeking an experienced Systems Administrator to
join a highly visible federal cybersecurity contract in Chantilly, VA. This role will play a
mission-critical part in the sustainment and modernization of legacy cybersecurity
systems, as well as the design and deployment of new enterprise security services.
You will be at the intersection of system administration, enterprise networking, and
cloud services, ensuring the stability and modernization of critical environments. The role
combines hands-on administration of Windows and Linux/CentOS servers, management
of Cisco-based enterprise solutions, and integration of AWS cloud architectures to deliver
secure, scalable, and resilient systems.
Key Responsibilities
• Provide Operations & Maintenance support across Tier 1–3 environments.
• Administer and secure Windows & Linux/CentOS servers.
• Support and maintain Cisco ISE, Umbrella, and DNAC solutions.
• Configure and manage AWS cloud services including EC2, RDS, S3, Elastic Load
Balancer, and Route 53.
• Support Apple iOS integration and management.
• plan, develop, and implement system upgrades to improve mission performance.
Identify technical risks and apply risk mitigation strategies.
• Create, update, and maintain Standard Operating Procedures (SOPs) and system
documentation.
• Deliver strong customer relationship management and end-user support.
Required Qualifications
• Demonstrated experience with Windows & Linux/CentOS server administration.
• Hands-on experience with Cisco ISE, Umbrella, and DNAC.
• Familiarity with Apple iOS enterprise integration.
• Professional experience configuring and monitoring AWS services (EC2, RDS, S3,
Elastic Load Balancer, Route 53).
• Proven track record of executing system upgrades and modernization initiatives.
• Experience in risk identification and mitigation within enterprise environments.
• Demonstrated ability to provide Tier 1–3 support operations.
• Strong customer service and stakeholder management skills.
• Experience authoring and updating SOPs and technical documentation.
Preferred Skills
• Experience with Agile methodologies (Kanban, Scrum).
• Hands-on experience with wireless networking solutions.
• Familiarity with Cisco Duo, Splunk, and Meraki.
• Exposure to DevSecOps practices (CI/CD pipelines, CloudFormation).
• Proficiency with command-line interfaces across Windows, Linux, AWS, and Cisco
environments.
• Understanding of the A&A process and compliance monitoring.
• Experience preparing compliance evidence such as POA&Ms.
• Familiarity with Moodle Learning Management System installation and
configuration.
• Knowledge of database engineering, development, and administration.
Education Requirements
• Bachelor’s degree in Computer Science, IT, or related field preferred.
• Equivalent experience may be substituted on a year-for-year basis.
Why QSS?
At QSS, you’re not just filling a role, you’re shaping mission-critical solutions that keep our
nation secure. We invest in your growth, foster innovation, and reward technical
excellence.
Benefits include:
• Competitive compensation with annual performance bonuses
• Premium Medical, Dental & Vision coverage
• Generous PTO plus Federal Holidays
• 401(k) with company match
• Opportunities for continuous learning and skill development
Location: Chantilly, VA
Clearance: TS/SCI with Full Scope Polygraph (Required)
Company: Quantum Science Solutions (QSS)
Compensation: Open Rate
Position Overview
Quantum Science Solutions (QSS) is seeking an experienced Systems Administrator to
join a highly visible federal cybersecurity contract in Chantilly, VA. This role will play a
mission-critical part in the sustainment and modernization of legacy cybersecurity
systems, as well as the design and deployment of new enterprise security services.
You will be at the intersection of system administration, enterprise networking, and
cloud services, ensuring the stability and modernization of critical environments. The role
combines hands-on administration of Windows and Linux/CentOS servers, management
of Cisco-based enterprise solutions, and integration of AWS cloud architectures to deliver
secure, scalable, and resilient systems.
Key Responsibilities
• Provide Operations & Maintenance support across Tier 1–3 environments.
• Administer and secure Windows & Linux/CentOS servers.
• Support and maintain Cisco ISE, Umbrella, and DNAC solutions.
• Configure and manage AWS cloud services including EC2, RDS, S3, Elastic Load
Balancer, and Route 53.
• Support Apple iOS integration and management.
• plan, develop, and implement system upgrades to improve mission performance.
Identify technical risks and apply risk mitigation strategies.
• Create, update, and maintain Standard Operating Procedures (SOPs) and system
documentation.
• Deliver strong customer relationship management and end-user support.
Required Qualifications
• Demonstrated experience with Windows & Linux/CentOS server administration.
• Hands-on experience with Cisco ISE, Umbrella, and DNAC.
• Familiarity with Apple iOS enterprise integration.
• Professional experience configuring and monitoring AWS services (EC2, RDS, S3,
Elastic Load Balancer, Route 53).
• Proven track record of executing system upgrades and modernization initiatives.
• Experience in risk identification and mitigation within enterprise environments.
• Demonstrated ability to provide Tier 1–3 support operations.
• Strong customer service and stakeholder management skills.
• Experience authoring and updating SOPs and technical documentation.
Preferred Skills
• Experience with Agile methodologies (Kanban, Scrum).
• Hands-on experience with wireless networking solutions.
• Familiarity with Cisco Duo, Splunk, and Meraki.
• Exposure to DevSecOps practices (CI/CD pipelines, CloudFormation).
• Proficiency with command-line interfaces across Windows, Linux, AWS, and Cisco
environments.
• Understanding of the A&A process and compliance monitoring.
• Experience preparing compliance evidence such as POA&Ms.
• Familiarity with Moodle Learning Management System installation and
configuration.
• Knowledge of database engineering, development, and administration.
Education Requirements
• Bachelor’s degree in Computer Science, IT, or related field preferred.
• Equivalent experience may be substituted on a year-for-year basis.
Why QSS?
At QSS, you’re not just filling a role, you’re shaping mission-critical solutions that keep our
nation secure. We invest in your growth, foster innovation, and reward technical
excellence.
Benefits include:
• Competitive compensation with annual performance bonuses
• Premium Medical, Dental & Vision coverage
• Generous PTO plus Federal Holidays
• 401(k) with company match
• Opportunities for continuous learning and skill development
group id: 91142086
