Linux System Administrator
Company: ManTech
Location: Columbia
Posted on: October 7, 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 testing
Basic 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, Wheaton-Glenmont , Linux System Administrator, IT / Software / Systems , Columbia, Maryland
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