Systems Administrator, Senior

9/28/17
ManTech (www.mantech.com)
Other

/yr

  Full Time   Employee   Contractor


Stafford
Virginia
United States

ManTech International Corporation provides innovative engineering and systems integration services that help our customers solve their toughest, most intractable problems. National defense and homeland security clients depend on our rapid, cost-effective development of adaptable, interoperable, integrated solutions that provide high performance in quick-response scenarios.

We are looking for subject matter expertise for the engineering, design, implementation, configuration, and maintenance of Windows and Linux server infrastructure and VMware vSphere environment, as well as recommend solutions to meet other existing and future requirements while remaining compliant with the required security accreditation standards.

*Requires a TS DoD Clearance


Responsibilities:


? Provision and maintain secure Linux (RHEL and CentOS) and Microsoft Windows 2012R2/2016 Servers
? Support physical and virtual servers of multi-tiered HA/Clustered applications and databases
? Manage virtual servers through VMware vCenter
? Implement clear and concise Group Policy Objects (GPO)
? Implement and maintain backup/disaster recovery solutions
? Perform task automation through the creation of scripts
? Collaborate with customer to identify support and technology advancements
? Produce clear and concise documents and diagrams capturing networking and operational procedures and LAN/WAN topology
? Provide technical support, troubleshooting, and complex problem resolution
? Remain abreast of technology advancements for future software and hardware implementations
? Install, configure, and maintain computer and network operating system and application software


Mandatory Skills and Experience:
? Bachelor?s Degree in Technology Management, Information Technology, e-Business or other related field (+4 years? experience), an Associate?s Degree in Technology Management, Information Technology, e-Business or other related field (+6 years? experience), or a High School Diploma and +10 years? experience
? 8570 IAT Level I certification
? Working experience in the following:
? -Configuring and deploying Microsoft Windows servers using Windows Deployment Services or VMware templates
? -Virtualized server administration (VMware)
? -Security administration (group policy and permissions; vulnerability scans, audits, and mitigations; patch management
? -Implementing and supporting enterprise system monitoring tools
? -Performing system hardening through STIG review, GPO, and scripts
? -Disaster recovery
? -Troubleshooting OS and applications
? -Windows scripting language (PowerSheel or VBScript)
? Active Top Secret clearance
EOE/M/F/D/V

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