Linux System Administrator jobs in United States
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MANTECH · 2 days ago

Linux System Administrator

positionFort Meade, MD
timeFull-time
remoteOnsite
senioritySenior Level
date7+ years exp

ManTech is seeking an experienced and passionate Linux System Administrator to join their team. The role involves designing and implementing automated hardening scripts, monitoring system anomalies, and providing security insights to management.

Cyber SecurityInformation TechnologySecurityTelecommunications
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Growth OpportunitiesbadNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

Design, engineer, and implement automated hardening scripts for internal servers adding scalability while circumventing manual process for new operating system rollout
Configure host-based intrusion detection systems
Monitor and troubleshoot/examine detected anomalies
Developed automation script adding new servers to IPA replacing human error and manual process
Analyze system and security logs while responding to discovered real time events providing SOC status updates
Engineer ansible script automating creation of user accounts in IPA replacing manual process
Review audits confirming hardening script successfully executed while checking for other vulnerabilities and/or configuration errors
Host design and review meetings providing security insight, team updates, goals, projections to branch management

Qualification

Linux administrationAnsibleScripting languagesDevOps toolsComputer networking protocolsStress managementOperating systems competenceIntegrated processing environmentsTeam collaboration

Required

7 year's experience in systems administration of hardware and software in support of developing and testing of information technology systems
Experience with Linux administration
Experience using Ansible or comparable tools
Experience working with a team to introduce and integrate new technologies into existing production environments
Experience with integrated processing environments such as a Storage Area Network
Must have a current/active TS/SCI with Poly
Must be able to remain in a stationary position at least 50% of the time
Needs to occasionally move about inside the office to access file cabinets, office machinery, etc
Constantly operate a computer and other office productivity machinery, such as, the copy machine/fax machine/computer/printer

Preferred

Experience with DevOps tools such as Docker, Kubernetes, SALT, Puppet desirable
Experience with cross-domain solutions or NiFi desirable for some positions
Experience writing scripting languages (Bash, Shell, Python, Perl)
Proficiency in working with applicable network devices to include routers and switches, gateways and hubs
Experience with computer networking protocols including, but not limited to TCP, IP, UDP, HTTP, DHCP, and DNS
Ability to handle stress and work under pressure
Competence in computer operating systems

Company

MANTECH

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ManTech is a technology company that offers cyber, IT, and data analytics technologies and solutions for security programs.
dateFounded in 1968
location
Herndon, Virginia, USA
people-size5001-10000 employees
web-link
https://www.mantech.com

Funding

Current Stage
Public Company
Total Funding
unknown
2022-05-16Acquired
2002-02-07IPO

Leadership Team

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Matt Tait
Chief Executive Officer & President
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Gavin Greene
VP of Business Development
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Recent News

Washington Technology
ManTech acquires data science, predictive analytics specialist
2025-12-11
GlobeNewswire
MANTECH Acquires Data and AI Leader Elder Research
2025-12-10
MarketScreener
ManTech International Corporation acquired Elder Research, Inc.
2025-12-10
Company data provided by crunchbase