**ManTech** is seeking a motivated, mission-oriented **Systems Administrator** , in **Chantilly, VA** area, with strong Customer relationships. At ManTech, you will help protect our national security while working on innovative projects that offer opportunities for advancement. The Systems Administrator is responsible for providing a full range of IT support services to customer activities including AWS services. You will demonstrate a strong understanding of cloud environments hosting Windows Server 2016 and SQL Server environments including Active Directory, DNS, GPO’s, PKI and Auditing. **Responsibilities include but not limited to:** + Administer Systems, Servers, and Domain Controllers in AWS Environments + Manage storage, back-ups and contingency plans + Configuration, migration, and O&M of Windows applications + Familiar with system tools, including ACAS, WSUS and Splunk for patching and auditing + Monitor systems, troubleshoot and perform audit related tasks + Setup/configuration of network devices. + Documentation of processes, Standard Operating Procedures (SOPs) **Basic Qualifications:** + Requires Bachelor’s degree (in Computer Science or related field) or equivalent, and 7 or more years of systems administration experience. + Security+CE certification + Working knowledge of the security hardening process as it relates to ICD 503 and DCID 6/3 for server and client operating systems compliance as it relates to building client images for deployment + Experience with AWS + Experience with Windows Servers + Experience with Storage and Backups + Ability to use MS Office **Preferred Qualifications:** + Previous experience supporting the NRO is highly desired. + Ability to handle stress and work well under pressure + Analytical and Critical Thinking Skills + Interpersonal and People Skills **Security Clearance Requirements:** + Must possess an active TS/SCI with Polygraph **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 + Constantly positions self to maintain computers in the lab, including under the desks and in the server closet + Frequently moves Audio/Visual or Computer equipment weighing up to 50 pounds across and/or around a business campus or large facility 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. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.