System Administrator VMware - Military veterans preferred

ManTech (


  full-time   employee

Annapolis Junction
United States

All ManTech employees will need to meet the requirements set forth in Executive Order 14042 and the Safer Federal Workforce Task Force Guidance requiring all covered contractor personnel to be fully vaccinated against COVID-19.

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 System Administrator VMware to join our team in Annapolis Junction, MD.

Responsibilities include, but are not limited to:

  • Strong understanding of troubleshooting and configuration of VMware servers to include protocols and switching, best-practice configurations, connectivity, and networking concepts.
  • Applies a specific knowledge of VMware systems administration concepts, practices and procedures and is required to be available for on-call mission support.
  • Possesses familiarity with varied concepts, standard best business practices, and procedures. 
  • Plan and execute tasks based on experience, judgment, and independent research. 
  • 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

Required Qualifications:

  • A Bachelor’s degree in computer science, information technology, or a related field, or equivalent experience
  • 7+ years of VMware systems administration experience
  • VMWare Certified Associate (VCA)
  • VMWare Certified Professional (VCP)
  • 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
  • This position supports an IT operations environment.  Required to be on-call 24X7X365 rotation and respond in a timely manner.

Preferred Qualifications:

  • Experience with IBM X-series and Flex System, Dell, and HP server technology
  • 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, enterprise backup/restore architectures, Windows Enterprise administration

Security Clearance Requirements:

  • Active DOD Secret clearance and ability to obtain agency suitability clearance

Physical Requirements:

  • Must be able to be in a stationary position more than 50% of the time
  • Must be able to communicate, converse, and exchange information with peers and senior personnel
  • Constantly operates a computer and other office productivity machinery, such as a computer
  • The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations
  • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

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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