ManTech
Linux System Administrator
ManTech, Columbia, Maryland, United States, 21046
Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking a motivated, career and customer-oriented
System Administrator
to join our team in the
Columbia and Hanover, MD
area.Responsibilities include but are not limited to:Setting up Linux servers and sharing data between them and other computers (often Windows-based).Assessing system vulnerabilities (SecScan, Nessus, etc.), hardening systems (manually and applying hardening scripts), and performing system/application-level regression testing.Implementing and administrating virus scanning applications.Shell scripting (Bash, etc.) to improve system administration, troubleshooting, and automation tasks.Windows sys admin functions (including OS loading, patching, Active Directory, Remote Desktop, virus scanning applications, Policy changes/implementation, etc.).Setting up Windows servers (Server 2019, Server 2022, etc.) and clients (e.g., Win7, Win8, Win10, Win11) and ensuring data can be shared between them and Linux servers.Basic Qualifications:Ten (10) years of experience as a System Administrator in programs and contracts of similar scope, type, and complexity is required.Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional System Administrator experience may be substituted for a bachelor’s degree.Preferred Qualifications:Meet IAT Level II – e.g., Security+ (Sec+) OR be able to secure Sec+ certification or higher.Basic understanding of the Risk Management Framework (RMF) requirements and processes.Basic router and switch configuration knowledge, necessary for configuration and/or system hardening and compliance scanning requirements.Elastic (ELK) Stack configuration and user experience.Experience using PowerShell scripting to improve system administration, troubleshooting, and automation tasks.Experience installing, integrating, and troubleshooting GOTS/COTS Software/Applications on Windows and Linux servers.Security Clearance Requirements:Current and active TS/SCI with Polygraph.
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System Administrator
to join our team in the
Columbia and Hanover, MD
area.Responsibilities include but are not limited to:Setting up Linux servers and sharing data between them and other computers (often Windows-based).Assessing system vulnerabilities (SecScan, Nessus, etc.), hardening systems (manually and applying hardening scripts), and performing system/application-level regression testing.Implementing and administrating virus scanning applications.Shell scripting (Bash, etc.) to improve system administration, troubleshooting, and automation tasks.Windows sys admin functions (including OS loading, patching, Active Directory, Remote Desktop, virus scanning applications, Policy changes/implementation, etc.).Setting up Windows servers (Server 2019, Server 2022, etc.) and clients (e.g., Win7, Win8, Win10, Win11) and ensuring data can be shared between them and Linux servers.Basic Qualifications:Ten (10) years of experience as a System Administrator in programs and contracts of similar scope, type, and complexity is required.Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional System Administrator experience may be substituted for a bachelor’s degree.Preferred Qualifications:Meet IAT Level II – e.g., Security+ (Sec+) OR be able to secure Sec+ certification or higher.Basic understanding of the Risk Management Framework (RMF) requirements and processes.Basic router and switch configuration knowledge, necessary for configuration and/or system hardening and compliance scanning requirements.Elastic (ELK) Stack configuration and user experience.Experience using PowerShell scripting to improve system administration, troubleshooting, and automation tasks.Experience installing, integrating, and troubleshooting GOTS/COTS Software/Applications on Windows and Linux servers.Security Clearance Requirements:Current and active TS/SCI with Polygraph.
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