What are the responsibilities and job description for the Linux System Administrator with Security Clearance position at ClearanceJobs?

Title: Linux System Administrator

Location: Dahlgren, Virginia (ON-SITE)

Clearance Required: Top Secret

Certification Required: Security or IAT Level II Cert Top Skills Required:

Minimum three - six years' experience in system administration of Linux-based servers and Linux-based workstations
Ideal Linux Admin will have Department of Defense experience with security guidelines and policies. (DISA STIGS) is a plus
Seeking specific experience with the following operating systems and services is required: Red Hat Enterprise Linux (RHEL 7.x)
RHEL, Command Line, Managing workstations/servers in Linux Nice to Have:
Have knowledge of corporate services including: DNS, SMTP, RHEV, Splunk, Apache
Demonstrated experience managing the installation and maintenance of IT infrastructure
Hardware experience with Dell systems is a plus
Experience working in an environment with rapidly changing job priorities
ServiceNow ITSM Ticket Management experience
Linux or Red Hat Certification preferred Job Description:

Essential responsibilities of the Senior Linux Administrator include, but are not limited to:

Utilize Red Hat Enterprise Linux system administration experience to provide technical problem solving and in-depth consulting relative to system operations
Automate installation methods and system imaging (e.g. Kickstart/Ansible)
Use cryptographic experience to set up public key infrastructure (PKI) to create, manage, distribute, use, store, and revoke digital certificates and manage public-key encryption
DISA STIG implementation and work within Configuration-Managed Environments
Analyze, design, and implement modifications to system software to improve and enhance system performance by correcting errors
Plan new hardware acquisitions, interact with vendors, educate customers, and collaborate with other projects within the organization
Work closely with engineers to help them use workstations and servers to solve their computationally intensive problems
Support application installation, license management, software tracking / distribution and backup/recovery of system configurations and user data files
Understand and use essential tools for handling files, directories, command-line environments, and documentation
Operate running systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services
Configure local storage using partitions and logical volumes
Create and configure file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems
Deploy, configure, and maintain systems, including software installation, update, and core services
Manage users and groups, including use of a centralized directory for authentication
Manage security, including basic firewall and SELinux configuration
Configure static routes, packet filtering, and network address translation
Set kernel runtime parameters
Produce and deliver reports on system utilization
Use shell scripting to automate system maintenance tasks
Configuring system logging, including remote logging
Configure a system to provide networking services, including HTTP/HTTPS, DNS, SMTP, SSH and NTP
This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret)
Because an active or interim DoD clearance is required, U.S. Citizenship is required o Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms.  If eligible, the benefits available for this temporary role may include the following:

 Medical, dental & vision

 Critical Illness, Accident, and Hospital

 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available

 Life Insurance (Voluntary Life & AD&D for the employee and dependents)

 Short and long-term disability

 Health Spending Account (HSA)

 Transportation benefits

 Employee Assistance Program

 Time Off/Leave (PTO, Vacation or Sick Leave)

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