Linux System Administrator
Company: ManTech
Location: Columbia
Posted on: October 8, 2024
Job Description:
Secure our Nation, Ignite your FutureBecome 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 not
limited to:
- Linux sys admin functions (including OS loading, patching,
LDAP, DNS, DHCP, Samba, SSH, VNC, user/group management, etc.)
- Setting up Linux servers and be able to share data between them
and other computers often times 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, other) to help make system
administration, troubleshooting and automation tasks more
efficient
- 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 ensure data can be
shared between them and Linux servers
- Assessing system vulnerabilities (DirtScan, dirty word
searches, Nessus, etc.), hardening systems (manually and applying
hardening scripts), and performing system/application-level
regression testingBasic Qualifications:
- Ten (10) years experience as a SA 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 SA
experience may be substituted for a bachelor's degree. - -
-Preferred Qualifications:
- Meet IAT Level II - ex. 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 and switch configuration knowledge,
necessary for configuration and/or system hardening and compliance
scanning requirement.
- Elastic (ELK) Stack configuration and user experience
- Experience using Power shell scripting experience to help make
system administration, troubleshooting and automation tasks more
efficient
- Experience installing, integrating, and troubleshooting
GOTS/COTS Software/Applications on Windows and Linux servers (e.g.,
ability to take provided applications, install, and troubleshoot
installation/running on the server)Security Clearance Requirements:
- Current and active TS/SCI with PolygraphFor all positions
requiring access to technology/software source code that is subject
to export control laws, employment with the company is contingent
on either verifying U.S.-person status or obtaining any necessary
license. -The applicant will be required to answer certain
questions for export control purposes, and that information will be
reviewed by compliance personnel to ensure compliance with federal
law. ManTech may choose not to apply for a license for such
individuals whose access to export-controlled technology or
software source code may require authorization and may decline to
proceed with an applicant on that basis alone.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 because of race,
color, sex, religion, age, sexual orientation, gender identity and
expression, national origin, marital status, physical or mental
disability, status as a Disabled Veteran, Recently Separated
Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed
Forces Services Medal, or any other characteristic protected by
law.If you require a reasonable accommodation to apply for a
position with ManTech through its online applicant system, please
contact ManTech's Corporate EEO Department at (703) 218-6000.
ManTech is an affirmative action/equal opportunity employer -
minorities, females, disabled and protected veterans are urged to
apply. ManTech's utilization of any external recruitment or job
placement agency is predicated upon its full compliance with our
equal opportunity/affirmative action policies. ManTech does not
accept resumes from unsolicited recruiting firms. We pay no fees
for unsolicited services.If you are a qualified individual with a
disability or a disabled veteran, you have the right to request an
accommodation if you are unable or limited in your ability to use
or access http://www.mantech.com/careers/Pages/careers.aspx as a
result of your disability. To request an accommodation please click
careers@mantech.com and provide your name and contact
information.
Keywords: ManTech, Aspen Hill , Linux System Administrator, IT / Software / Systems , Columbia, Maryland
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