Currently, ManTech is seeking a motivated, career and customer-oriented System Administrator to join our team in Annapolis Junction, MD. The successful candidate will provide technical support being an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first in an environment with opportunities for advancement. The successful candidate will be responsible for supporting the design, installation, inspection, and documentation of structured networked services. Provides engineering and design knowledge to meet client and technical specifications. What separates you from other candidates is a strong background in systems administration; knowledge of Splunk, Nutanix and DNA Center technology, networks experience; installation, provisioning, maintenance, operation, and testing new technologies; and hands-on experience with managing Windows and Linux systems; and a willingness to learn new technologies. The responsibilities include but are not limited to the following. The selected candidate will be able to provide hands-on experience with the. **Responsibilities include but are not limited to:** + Provide support for implementation, troubleshooting and maintenance of networked and disconnected computer systems, with the ability to brief outcomes to various audiences. + Manage the daily activities of upgrading, installing, and configuring software and computer hardware systems to support multiple system configurations. + Provides Tier III engineering support to a globally distributed services team using multiple HW end points with VDI, Windows, Unix, and Cloud environments. + Design and document system configurations and changes, while occasionally working flexible hours to support SLAs and other deliverables. + vide support to computer systems and component level Trade-Off Analysis & Analysis of Alternatives and contribute to draft presentations with results and recommendations. + Apply concepts and define and implement hardware and software configuration management processes and procedures, such as creating product build scripts and procedures, and integrate those scripts with the hardware and software build process. + Performing regular security monitoring, testing, and mitigate findings. + Experience with ticketing systems . **Minimum Qualifications:** + 3+ years of related experience or a bachelor’s degree in a STEM area. + Possess an IAT level II baseline certification as defined by DoD 8570.01-M such as Security + or higher. **Preferred Qualifications:** + Bachelor’s degree in a STEM area with 5+ years of relevant experience and a RED Hat Certification. + In lieu of a bachelor's degree, an associate degree in a technical discipline and 7+ years' experience may be substituted for a bachelor’s degree. + Able to support 20% travel. **Clearance Requirements:** + Must have an active/current TS/SCI w/Polygraph.