Linux Systems Administrator - Fairfax, VA
Company: Msccn
Location: Fairfax
Posted on: April 2, 2026
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Job Description:
ATTENTION MILITARY AFFILIATED JOB SEEKERS - Our organization
works with partner companies to source qualified talent for their
open roles. The following position is available to Veterans,
Transitioning Military, National Guard and Reserve Members,
Military Spouses, Wounded Warriors, and their Caregivers . If you
have the required skill set, education requirements, and
experience, please click the submit button and follow the next
steps. All positions are onsite, unless otherwise stated. As a
member of a System Administrator team for a large Linux enterprise
system, the primary responsibility of the System Administrator will
be to maintain, upgrade and provide support for Linux operating
systems and infrastructure. The candidate needs to be able to
diagnose and resolve problems and respond to issues in a timely
manner. The individual should be able to easily communicate
technical concerns and solutions to people with varying degrees of
technical knowledge as well as working with said individuals to
resolve technical issues. Responsibilities also include but are not
limited to maintaining system infrastructure, supporting upgrades
and patches for Security and application support, testing patches
prior to pushing to the enterprise, and testing/building new and
existing servers. The ideal candidate would have experience in a
traditional bare metal and VM environment as well as Cloud
environments with a desire to gravitate more to the later.
RESPONSIBILITIES AND DUTIES: Proactively manage system
infrastructure including, databases, testing computer equipment,
and other software and hardware. Provide technical support for both
hardware and software issues that may arise. Perform system
monitoring and analysis verifying the integrity and availability of
all hardware, performance tuning and troubleshooting of servers,
software and hardware and respond to anomalies. Regularly upgrade
system software and firmware as required. Assist in integrating new
applications and technologies into the current system. Required: IA
certification (either Security or CISSP). CLEARANCE: Active TS/SCI
security clearance open to obtaining CI polygraph. QUALIFICATIONS
AND SKILLS: BS degree in Computer Science or similar field
preferred, relevant work experience may be substituted. 5 years of
experience as a System Administrator. In-depth knowledge and
experience with Linux operating system. Good knowledge of several
scripting languages. GITLAB and puppet experience desirable.
GPFS/IBM ESS experience desirable. Experience with Cloud
Environments and architectures under K8s orchestration desirable.
General understanding of IP networks, switching, subnets and VLANs.
General understanding of hardware to include Servers, Blade
Chassis, Fiber Channels, SANS. Ability to respond to support
requests after hours. Flexible and able to adapt to rapidly
changing environment. Knowledge of system security concerns and
vulnerabilities. Experience with RH Directory Server or FOSS
alternatives. Good problem-solving abilities. Positive,
self-motivated individual who can complete tasks independently. IA
certification (either Security or CISSP). CLEARANCE: Active TS/SCI
security clearance open to obtaining CI polygraph. TRAVEL:
Willingness to travel to customer sites preferred. Travel usually
not to exceed 25%.
Keywords: Msccn, Severn , Linux Systems Administrator - Fairfax, VA, IT / Software / Systems , Fairfax, Maryland
