Posted 1 day ago
Top Secret/SCI
Mid Level Career (5+ yrs experience)
Unspecified
Full Scope Polygraph
IT - Support
Chantilly, VA (On-Site/Office)
Job Title: Systems Administrator
Location: On-site
Clearance Required: TS/SCI with Full Scope Polygraph
Company: Quantum Science Solutions (QSS)
Rate: Open
Position Overview
Quantum Science Solutions (QSS) is seeking an experienced Systems Administrator to provide
comprehensive administration, maintenance, and optimization of enterprise IT systems. The
selected candidate will manage both physical and virtual environments, implement security
measures, and provide operational support across cloud and on premises infrastructures.
This role requires expertise in system configuration, cloud service management, security
hardening, and technical troubleshooting, as well as the ability to coordinate with multiple
teams to ensure reliable, secure, and high-performing systems.
Key Responsibilities
• Manage cloud and on-premises environments, including system builds, maintenance,
and upgrades.
• Provide O&M services, system backups/restores, patching, and troubleshooting.
• Configure and administer Linux, Windows OS, Apache, Tomcat, Express servers, MySQL,
and MongoDB.
• Perform hardware and virtual server installations and configurations.
• Support integration and deployment of applications into production environments.
• Apply system hardening, firewall configuration, PKI certificate management, SSL, and
x509 security measures.
• Monitor system performance, alarms, and audit events, and take responsive actions.
• Ensure compliance with patching and version updates for OS, middleware, and
application components.
• Manage system access controls and security policies in accordance with Sponsor
requirements.
• Develop and implement security procedures for enterprise systems.
• Capture, validate, and manage system requirements, ensuring alignment with project
objectives.
• Administer COTS products, low-code/no-code platforms (SharePoint, ServiceNow,
Salesforce), and related application integrations.
• Automate provisioning and configuration of systems using Bash, Terraform, and AWS
CloudFormation.
• Coordinate with cloud service providers, engineering teams, and architecture
contractors for service delivery and optimization.
• Maintain documentation for system configurations, security controls, and operational
processes.
• Support PMR and monthly reporting requirements related to systems administration.
Mandatory Skills & Experience
• Proven experience administering enterprise-level Linux and Windows environments.
• Proficiency with cloud services, automation tools, and scripting.
• Experience in system hardening, firewall configuration, and PKI certificate management.
• Familiarity with Agile delivery, backlog management, and multi-team collaboration.
• Strong troubleshooting skills for both hardware and virtual environments.
• Proficiency with DevOps tools (Jenkins, GitHub) and modern deployment pipelines.
Education Requirement
• Bachelor’s degree in Computer Science, Information Technology, or related field.
• Equivalent work experience may be substituted on a year-for-year basis.
Preferred Skills
• Experience in cloud environment administration (AWS, Azure, or similar).
• Familiarity with COTS product lifecycle management.
• Strong documentation and configuration management skills.
Preferred Certifications
• AWS Certified SysOps Administrator – Associate.
• Microsoft Certified: Windows Server Hybrid Administrator Associate.
• Red Hat Certified System Administrator (RHCSA).
Why Join QSS?
At QSS, we ensure secure, optimized, and resilient systems that are critical to enterprise
operations. As a Systems Administrator, you will have the opportunity to manage high impact
infrastructures, implement security best practices, and support mission-focused technology
solutions.
Employee Benefits
• Competitive Compensation & Performance Bonuses
• Premium Medical, Dental & Vision Insurance
• Generous Paid Time Off (PTO) and Federal Holidays
• 401(k) with Company Matching
Location: On-site
Clearance Required: TS/SCI with Full Scope Polygraph
Company: Quantum Science Solutions (QSS)
Rate: Open
Position Overview
Quantum Science Solutions (QSS) is seeking an experienced Systems Administrator to provide
comprehensive administration, maintenance, and optimization of enterprise IT systems. The
selected candidate will manage both physical and virtual environments, implement security
measures, and provide operational support across cloud and on premises infrastructures.
This role requires expertise in system configuration, cloud service management, security
hardening, and technical troubleshooting, as well as the ability to coordinate with multiple
teams to ensure reliable, secure, and high-performing systems.
Key Responsibilities
• Manage cloud and on-premises environments, including system builds, maintenance,
and upgrades.
• Provide O&M services, system backups/restores, patching, and troubleshooting.
• Configure and administer Linux, Windows OS, Apache, Tomcat, Express servers, MySQL,
and MongoDB.
• Perform hardware and virtual server installations and configurations.
• Support integration and deployment of applications into production environments.
• Apply system hardening, firewall configuration, PKI certificate management, SSL, and
x509 security measures.
• Monitor system performance, alarms, and audit events, and take responsive actions.
• Ensure compliance with patching and version updates for OS, middleware, and
application components.
• Manage system access controls and security policies in accordance with Sponsor
requirements.
• Develop and implement security procedures for enterprise systems.
• Capture, validate, and manage system requirements, ensuring alignment with project
objectives.
• Administer COTS products, low-code/no-code platforms (SharePoint, ServiceNow,
Salesforce), and related application integrations.
• Automate provisioning and configuration of systems using Bash, Terraform, and AWS
CloudFormation.
• Coordinate with cloud service providers, engineering teams, and architecture
contractors for service delivery and optimization.
• Maintain documentation for system configurations, security controls, and operational
processes.
• Support PMR and monthly reporting requirements related to systems administration.
Mandatory Skills & Experience
• Proven experience administering enterprise-level Linux and Windows environments.
• Proficiency with cloud services, automation tools, and scripting.
• Experience in system hardening, firewall configuration, and PKI certificate management.
• Familiarity with Agile delivery, backlog management, and multi-team collaboration.
• Strong troubleshooting skills for both hardware and virtual environments.
• Proficiency with DevOps tools (Jenkins, GitHub) and modern deployment pipelines.
Education Requirement
• Bachelor’s degree in Computer Science, Information Technology, or related field.
• Equivalent work experience may be substituted on a year-for-year basis.
Preferred Skills
• Experience in cloud environment administration (AWS, Azure, or similar).
• Familiarity with COTS product lifecycle management.
• Strong documentation and configuration management skills.
Preferred Certifications
• AWS Certified SysOps Administrator – Associate.
• Microsoft Certified: Windows Server Hybrid Administrator Associate.
• Red Hat Certified System Administrator (RHCSA).
Why Join QSS?
At QSS, we ensure secure, optimized, and resilient systems that are critical to enterprise
operations. As a Systems Administrator, you will have the opportunity to manage high impact
infrastructures, implement security best practices, and support mission-focused technology
solutions.
Employee Benefits
• Competitive Compensation & Performance Bonuses
• Premium Medical, Dental & Vision Insurance
• Generous Paid Time Off (PTO) and Federal Holidays
• 401(k) with Company Matching
group id: 91142086
