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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.

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 [email protected] and provide your name and contact information.