Senior Systems Administrator

5 - 7 years experience  • 

Salary depends on experience
Posted on 02/23/18
5 - 7 years experience
Salary depends on experience
Posted on 02/23/18

Job Duties and Responsibilities     

Become an integral part of a diverse team that leads the world in Mission, Cyber, and Intelligence Solutions. At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement.
 
Responsibilities include:

• Analyze system logs and identifying potential issues with computer systems.
• Introduce and integrate new technologies into existing data center environments.
• Performing routine audit of systems and software.
• Applying operating system updates, patches, and configuration changes.
• Installing and configuring new hardware and software.
• Adding, removing, or updating user account information, resetting passwords, etc.
• Answer technical queries and assist developers and end users.
• Responsible for security of the system.
• Responsible for documenting the configuration of the system.
• Troubleshoot any reported problems.
• System performance tuning.
• Configuring, adding, and deleting file systems
• Build new development, test and production environments utilizing Dell Blade servers and VMware.
• Install and configure VMware ESX server on Dell Blades.
• Install and configures VMware Infrastructure Server.
• Build Active Directory Domain Servers.
• Install and configure infrastructure related software such as DNS, McAfee EPO Servers, CENTRIFY, LDAP and Linux repositories for patching and updates.
• Performed daily task of all virtual environments to include building new virtual machines, updating DNS and troubleshooting system problems.
• OS (Linux)
• Create documentation for builds and upgrades.
• Install and configure infrastructure applications and support integration with critical application environment.
• Patch and update Linux and VM systems.
• Support Certification and Accreditation of Systems.
• Tier III support


Qualifications   

 Requires Bachelor’s degree (in Computer Science or related field) or equivalent, and five to seven years of related experience.
Degrees   

Equivalent Experience/Education
Bachelor's Degree


Years of Experience   

 11-13 years w/High School Diploma
05-07 years w/Bachelors Degree
02-04 years w/Masters Degree

96458BR

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