Secure our Nation, Ignite your Future

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first.  At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

Currently, ManTech is seeking a motivated, career and customer-oriented Senior Systems Administrator to join our team in the Patuxent River, MD. 

Responsibilities include, but are not limited to:

• Act as a system administrator working with team members to ensure all requirements are delivered in an efficient, highly productive manner.

• Apply best practices where possible or engineer new best practices using innovative approaches as appropriate.

• Analyze new and existing software; install, maintain, and customize vendor software.

• Consult with internal and external users to identify and document user objectives.

• Monitor system and application performance to detect errors; apply testing procedures/methodologies (e.g., diagnostic software) and provide interpretation of data.

• Provide root-cause analysis for recurring or critical problems.

• VMware Administrator provides guidance to ensure all team requirements are successful and workload is efficiently balanced. 

• Troubleshoot and configure VMware servers to include protocols and switching, best-practice configurations, connectivity, and networking concepts.

• Apply a specific knowledge of VMware systems administration concepts, practices and procedures and is required to be available for on-call mission support. 

• Work on complex assignments and perform a wide range of VMware system administration activities with little to no direct supervision. 

Basic Qualifications:

• A Bachelors in computer science, information technology, or a related field, or equivalent experience

• A minimum of five (5) years of professional experience.

• 5 or more years of VMware systems administration experience.

Clearance Requirement:

• Active DoD TS clearance based upon a SSBI completed within the last 6 years.

Preferred Qualifications:

• Must have experience with IBM X-series and Flex System, Dell, and HP server technology.

• Must have experience with VMware performance tuning and capacity planning.

• Must have experience with high availability architectures and concepts (possibly including, but not limited to HACMP).

• Must have experience with Virtual IOS concepts and applications.

• Must have experience with enterprise backup/restore architectures.

• Must have experience with Windows Enterprise administration.

• Must have experience installing Center Server Appliance/Platform Services Controller (PSC) including installation, configuration, and updates.

• Must have knowledge of performance monitoring and tuning tools, problem determination and recovery, and security

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

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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