Senior Systems Administrator

Ft. Belvoir, VA 



 

Tier 5 investigation and a Top Secret clearance.
DoD 8570/8140 baseline certification: IAT II or IAT III.
Computing environment : Server Admin M and Domain Admin Z for a cloud or Microsoft operating system, in accordance with the DLA-approved computing-environment requirement.

Position Summary

Key Responsibilities

• Hands-on Windows Server engineering and administration, Active Directory, server builds, monitoring, file services, migrations, patching, Group Policy, hardening, PKI, automation, and security incident response.
• Plan, install, configure, maintain, support, and optimize enterprise server platforms, network software, applications, and communication links.
• Organize and direct the configuration, operation, administration, and sustainment of information-management systems.
• Provide local and remote maintenance support for operational systems deployed at multiple locations, including general maintenance, upgrades, new server installations, and application deployments.
• Analyze and resolve end-user software, system-performance, access, application, and network-connectivity issues.
• Conduct capacity, availability, and performance analyses and recommend system configuration changes, upgrades, resource adjustments, and technology refresh actions.
• Automate recurring system-administration activities through approved tools and scripts to improve administrator efficiency, consistency, and accuracy.
• Develop, maintain, and enforce system-administration procedures, operating guides, configuration documentation, and troubleshooting runbooks.
• Conduct system-administrator training, skills assessments, knowledge transfer, and end-user training.
• Direct and coordinate the work of other system administrators responsible for daily operations, system and resource optimization, user assistance, maintenance, and issue resolution.
• Apply advanced technical knowledge of application networking, load balancing, high availability, redundancy, and fault tolerance.
• Perform vulnerability management, including vulnerability identification, assessment, prioritization, remediation, validation, and reporting.
• Monitor system health, security, utilization, and reliability; investigate incidents; conduct root-cause analysis; and implement corrective actions.
• Recommend technology direction, system architecture, modernization priorities, and infrastructure improvements that support business and mission objectives.

Required Qualifications

• Ten years of specialized experience in information processing involving multiple hardware and software disciplines and a broad range of enterprise technology solutions.
• At least four years of concentrated, hands-on experience installing, configuring, maintaining, supporting, and resolving issues with enterprise software and related systems.
• Bachelor of Science or Bachelor of Arts degree in a technical discipline.
• Relevant certification from a nationally recognized technical authority.
• Tier 5 investigation and Secret clearance.
• DoD-approved 8570/8140 baseline certification at IAT II or IAT III.
• Applicable DLA-approved computing-environment qualifications for Server Admin M and Domain Admin Z in a cloud or Microsoft operating-system environment. Microsoft Administrator Associate preferred.
• Demonstrated experience administering enterprise servers, applications, network services, user accounts, system resources, and security configurations.
• Experience conducting capacity and performance analysis, system optimization, configuration changes, software upgrades, and new installations.
• Experience leading or directing other system administrators and coordinating operational priorities across multiple systems or locations.
• Demonstrated knowledge of vulnerability management, secure configuration, patching, remediation validation, and system-security practices.
• Excellent interpersonal, customer-service, technical-writing, training, troubleshooting, and problem-solving skills.

Preferred Qualifications

• Experience automating system-administration and compliance activities with scripts and enterprise-management tools.
• Experience supporting distributed operational systems through both local and remote administration.
• Advanced experience with application networking, load balancing, high availability, redundancy, fault tolerance, and disaster-recovery support.
• Experience developing administrator procedures, delivering technical training, and assessing workforce skills.

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