Senior Windows Systems Administrator at ManTech

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 Senior Systems Administrator to join our team in Annapolis Junction, MD.

Responsibilities include, but are not limited to:

• Providing support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.

• Management of IT system infrastructure and any processes related to those systems

• Providing support to IT systems including day-to-day operations, monitoring, and problem resolution for client/server/storage/network devices

• Providing problem identification, diagnosis, and resolution of problems.

• Implementing operating systems enhancements improving reliability and performance.

• Providing detailed analysis and feedback to customers.

Basic Qualifications:

• Bachelor’s Degree in a technical discipline from an accredited college or university is required OR 5 years of additional Systems Administration experience may be substituted for a bachelor’s degree.

• Must have 15 years’ experience as a Systems Administrator or related experience in programs and contracts for similar scope, type and complexity is required.

Preferred Qualifications:

• At least (7) years’ experience deploying Microsoft Windows-based servers, including Active Directory and email OR at Least two (2) years’ experience deploying Microsoft Windows-based servers, including Active Directory and email with Microsoft Certified Systems Engineer (MCSE) certification

• At Least seven (7) years’ experience deploying Linux-based and Solaris-Based Servers

• At Least five (5) years’ experience PC hardware troubleshooting

• Shall have demonstrated experience in maintaining lab system infrastructure, including desktop workstations, the lab computer network, server computers, backup systems, power and cooling systems, IT asset management systems, printers, scanner and other peripherals.

Security Requirements:

• An active TS/SCI with polygraph clearance is required

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

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

. 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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