Linux System Administrator with Security Clearance

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Job description

Job Description: Linux System Administrator Clearance: Top Secret
Location: Onsite- Dahlgren, VA
Mon-Fri: Core hours Salary: Negotiable based off experience Position Description: We are seeking a Linux Administrator who will be responsible for system administration and customer support of servers and workstations in a Research, Development, and Testing, and Engineering (RDT&E) environment. Working as part of a team, administer and manage servers, end-user workstations in both unclassified and classified network environments. 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/Anaconda)
• 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 Requirements: • 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)
• Must meet DoD 8570 Information Assurance Workforce (IAWF) criteria or Information Assurance Technical (IAT) Level II certification at time of hire (i.e., Security+).
• Will need to have experience and understanding of Solaris. Desired Skills: • 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 • Remedy ITSM Ticket Management experience

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