Principal Systems Administrator with Security Clearance

ManTech seeks a motivated, career and customer-oriented Principal Systems Administrator to join our team in Pentagon, VA. The position is onsite. Responsibilities include but are not limited to: Provide specialized support and troubleshooting for VIP users, including hardware, software, network, and application issues
Manage and maintain computer systems, servers, and other IT infrastructure, ensuring optimal performance and security
Manage VIP user accounts, permissions, and security access within the organization's IT environment
Identify, diagnose, and resolve technical issues related to VIP user's IT needs
Maintain accurate and up-to-date documentation of IT systems, procedures, and user support information
Collaborate with other IT staff and stakeholders to ensure smooth IT operations and address VIP user needs
Strong technical skills in areas such as Windows and Linux operating systems, network administration, virtualization, and security
Excellent problem-solving and troubleshooting skills to quickly identify and resolve issues
Strong communication and interpersonal skills to interact with VIP users and IT staff
Experience in managing and supporting complex IT environments, especially for VIP users
Managing desktop computers, servers, and other hardware devices for VIP users
Installing, configuring, and updating software applications used by VIP users
Troubleshooting and resolving technical issues related to VIP users' hardware, software, and network access
Creating, modifying, and managing VIP user accounts and permissions
Supporting and maintaining specialized software and hardware used by VIP users
Providing training and support to VIP users on new software and hardware
Managing Active Directory and other infrastructure core services
Providing support for thin clients and virtual desktop environments
Supporting and maintaining COTS and custom software
Collaborating with other teams to ensure technology needs are met for events Minimum Qualifications: Bachelor's degree in a technical field and 7+ years of experience in the Information Technology; an additional 4 years of Systems Administration experience can be substituted in lieu of a degree
Understanding of operating systems (Windows, Linux, macOS), servers, and networking
Knowledge of network protocols (TCP/IP), switch configurations, and firewalls is essential
Experience with scripting languages (e.g., Python, PowerShell) for automating tasks and improving efficiency
Microsoft Visio, Word, Excel experience
CASP+ Certification or ability to obtain within 6 months of hire
DoD 8570 Computing Environment Certification or ability to obtain within 6 months of hire
Knowledge of Microsoft Windows Systems, HP SANs, VMware products
Experience using a Service Desk ticketing system, such as Remedy or ServiceNow Preferred Qualifications : One of the following certifications is desired: MCSE - Microsoft Certified System Engineer, MCSE - Microsoft Certified Solutions Expert, MCSA - Microsoft Certified Solutions Associate, MCITP - Microsoft Certified Information Technology Professional, VMware VCP - VMware Certified Professional, CCNA - Cisco Certified Network Administrator
ITIL Foundations or later certification
General Dynamics Encryptor experience
SolarWinds experience and knowledge
Cisco Prime Infrastructure experience and knowledge Security Clearance Requirements: US Citizenship required and active TS/SCI clearance adjudicated within the last 6 years.
Candidate must be open to Poly if selected by the customer. Physical Requirements: Must be able to remain in a stationary position 50%.
Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
Must be able to exchange accurate information in these situations.