Senior Systems Administrator (Linux) Mantech International Corporation
Laurel, MD

Job Description

Secure our Nation, Ignite your Future

Responsibilities include:

* OS (Linux) - (version 5 or higher). Linux Administration
* Patch and update Linux and VM systems.
* Infrastructure Management: Install and configures VMware Infrastructure Server.
* 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.
* 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.

Physical Requirements:

* Must be able to remain in a stationary position 50%
* Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
* The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations
* Working With Data
* Move about freely in a laboratory setting
* Repetitive Motions

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

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