ManTech seeks a motivated, career- and customer-oriented Linux Systems Administrator to join our team in Hanover, MD .
This role supports a global workforce executing mission-critical operations in defense of our Nation. As part of the Enterprise Infrastructure Services (EIS) organization, you will help manage core infrastructure and support the delivery of Enterprise Information Technology (EIT), the foundational platform for all MPO users. You will work closely with customers, Integrated Product Teams (IPTs), and vendors within Data Center & Compute Services to ensure system functionality, security, and availability.
Responsibilities include, but are not limited to:
Provide Systems Administration support for CNOS labs in a Help Desk capacity and collaborate with lab teams across locations
Maintain and manage Linux and Windows user accounts, profiles, and ticket queues, ensuring prompt support for developer requests
Assist other lab managers within the domain architecture and perform racking, stacking, loading, and configuration of workstations and servers
Build, configure, and maintain secure server and system environments, including system analysis, design, architecture, and hardware/network management
Perform installation, refresh, and modernization of servers and system components—both remotely and on-site
Document system configurations including computers, networking devices, and peripheral hardware
Minimum Qualifications:
Bachelor’s degree from an accredited college or university in a technical discipline
Fifteen (15) years of experience as a System Administrator in programs and contracts of similar scope, type, and complexity
Preferred Qualifications:
Experience deploying, upgrading, or maintaining servers and systems
Knowledge of Linux operating systems supporting Tacacs+ and Syslog
Experience with Active Directory, DHCP, DNS, and LDAP networking concepts
Hands-on experience with cabling, racking, and stacking IT equipment
Familiarity with the Jira ticketing system
Understanding of core networking components
Clearance Requirements:
Must have a current/active TS/SCI with Polygraph
Physical Requirements:
Bending, carrying, kneeling, lifting, light work up to 20 lbs., reaching, repetitive motions, sedentary work, walking, working with data
Ability to handle stress and work under pressure
Ability to use MS Office and a PC
Strong analytical or critical thinking, interpersonal skills, leadership, listening, multi-tasking, oral/written communication, and organizational skills
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