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, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

ManTech is seeking a Senior Systems Administrator for Warrenton, VA.

Duties, Tasks & Responsibilities

• CST Phone Support

• Data Transfer Officer

• Addressing trouble tickets in a timely fashion

• Creating request for support (ESMT) from internal/external service providers

• Workstation builds and labeling

• Support assess management tracking of inventory

• Account authorization process

• Account renames and username changes

• Account creation

• Unlocking users accounts

• Account disablement

• Delivery of IC PKI Certification users

• IC PKI Certification creation problems

• Documenting problems and troubleshooting efforts in ticket processing database

• Provide Close Support problem identification, diagnosis and resolution, or escalate to Tier II onsite troubleshooting, customer problem investigation, and technical assistance to computer system users.

• Answer questions or resolve computer problems for clients via telephone or using tools to gain remote access for issues the Helpdesk is unable to resolve.

• Provide assistance concerning the use of computer hardware, software, printers, installation, word-processing, electronic mail, and operating systems.

• Provide support for implementation, troubleshooting, and maintenance of IT systems.

• Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client problems.

• Coordinate and implement security measures to safeguard computer databases.

• Responsible for delivering and setting up site hardware.

• Responsible for troubleshooting logon problems, printers. Outlook/Exchange email problems, Web browsing/internet Explorer issue, Network and workstation connectivity, SharePoint, Lotus Notes and Microsoft Office products.

• Creation of system documentation, standard operating procedures, and system guides.

• Working knowledge of Active Directory, Microsoft Office, Microsoft Outlook, SharePoint, and Windows 10.

• Familiarity with Microsoft Windows desktop operating system build processes and tools.

• Troubleshoot workstations, office applications, printers, and digital senders

• Effective verbal and written communications

• Troubleshooting skills

Required Experience, Skills, & Technologies

• 11+ years of experience in related Systems Administration/Systems Engineering

• Experience providing close support problem identification, diagnosis and resolution, troubleshooting, and more.

• High School Diploma or GED

Desired Experience, Skills & Technologies

• Extensive experience or training related to a particular skill, language, system, or technology.

• Capable of not only delivering a capability tied to that skill, but passing their knowledge on to others.​

Security Clearance Required

An Active TS/SCI with Polygraph Clearance

Physical Requirements:

• Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

• The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

• Must be able to remain in a stationary position 50% of the time

• Constantly positions self to maintain computers in the lab, including under the desks and in the server closet

#LI-AA1 , #joinmantechcblt #joinmantechaa

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.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click careers@mantech.com and provide your name and contact information.