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Linux System Administrator, Advisor Security Clearance

Job in Jessup, Howard County, Maryland, 20794, USA
Listing for: Peraton
Full Time position
Listed on 2026-01-01
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity
Salary/Wage Range or Industry Benchmark: 146000 - 234000 USD Yearly USD 146000.00 234000.00 YEAR
Job Description & How to Apply Below
Position: Linux System Administrator, Advisor with Security Clearance
About Peraton Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace.

The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit  to learn how we're keeping people around the world safe and secure. Program Overview Applies advanced computer science methods to create scalable solutions that address customer challenges, offering full life-cycle services from research to sustainment.

Provides cyber defense through automated analytics for unique boundary protection using behavior and heuristic techniques. About

The Role Peraton is seeking a Linux System Administrator capable of working with multiple teams of engineer and software development personnel to assemble, reassemble, integrate, and install operant systems and application software to build mission systems. Candidate will enable and support the integration, testing, and production of new mission systems. They will generate robust system baselines that are suitable for easy deployment to lab and filed suit installations and produce installation and configuration manuals to support deployments.

They will exercise development software on newly deployed systems for formal software testing. Duties may include but are not limited to:

* Support the implementations, troubleshooting and maintenance of Information Technology systems.
* Provide system administration services for Linux / UNIX infrastructure and development systems (scripting and loading machines using Kick Start system configuration)
* Support the build and software integration of new mission systems and supporting architecture under development (client/server/storage/network devices, etc.)
* Ensure systems are kept in required configuration profile, including patch maintenance, changes are required by evolvement of production environments, updating software and software configurations. Configure and manage UNIX and Windows Operating systems and install/loads operating system software, troubleshoot, maintains integrity, and configures network components along with the implementation operating systems enhancements to improve reliability and performance.
Qualifications
* 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, totaling 15 years of SA experience.

* Current TS/SCI clearance with polygraph is required.

* Minimum of 10 years' experience as a Linux System Administrator working with RH Enterprise Linux, CENTOS and with DNS and SSH configurations.
* Demonstrated experience performing applications testing involving/requiring:
Red Hat Linux or advanced general Linux knowledge; trouble shooting of standard daemons and tools (NFS, NTP, BIND, APACHE, SYSLOG, logrotate, chkconfig, init scripts, curl general networking, etc.).

* Proficient in the following areas:
* Provide system administration service for Linux infrastructure and development systems (practical experience with Red Hat Yellow Dog Updater (U+YUM) and RHCTA or higher) certification is highly desired.

* Familiarization with shell scripting languages such as Rubym KSH, BASH execution and analysis

* Maintain scripts for loading machines using Kick Start and Puppet manifests and perform/verify system configurations

* Apply experience to automate system installations using tools such as Kick Start

* Assemble, reassemble and provision operation systems for development, testing and production environments.
* Apply hands-on experience configuring and troubleshooting Blade Centers and Dell servers

* Knowledge of virtualization software to include ESXi (VMWARE) and KVM (CENTOS), and High Availability Configuration

* Apply Networking Skills and knowledge of TCP/IP networking

Peraton offers enhanced benefits to employees working on our critical National Security programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. SCA / Union / Intern Rate or Range Details Target Salary Range: $146,000 - $234,000.

This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location…
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