Principal Systems Administrator

Principal Systems Administrator

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts nowprotect and innovate with MANTECH!

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 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
• Experience with 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 an active TS/SCI clearance adjudicated within the last 6 years.

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 considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at and provide your name and contact information.