Where applicable, confirmation that you meet customer requirements for facility access which may include proof of vaccination and/or attestation and testing, unless an accommodation has been approved.
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.
A 4-year degree in computer science, information technology, or a related field, or equivalent experience
5-7+ years of VMware systems administration experience
Experience installing vCenter Server Appliance/Platform Services Controller (PSC) including installation, configuration and updates
Knowledge of performance monitoring and tuning tools, problem determination and recovery, and security
Experience with IBM X-series and Flex System, Dell and HP server technology
Experience with VMware performance tuning and capacity planning
Experience with high availability architectures and concepts (possibly including, but not limited to HACMP)
Experience with Virtual IOS concepts and applications
Experience with enterprise backup/restore architectures
Experience with Windows Enterprise administration
Security Clearance Requirements:
Active DoD TS clearance based upon a SSBI completed within the last 6 years
Must be able to remain in a stationary position 50%.
Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
delivering presentations. Must be able to exchange accurate information in these situations.
May be asked to move Audio/Visual or Computer equipment.
Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
Often positions self to maintain computers in the lab, including under the desks and in the server closet.
Frequently communicates with co-workers, management and customers, which may involve
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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