Overview LINUX SYSTEMS ADMINISTRATOR (RED HAT): Bowhead seeks a Linux Systems Administrator (Red Hat) to join our growing team in Dahlgren, VA. The Linux Administrator will work as part of a team, administer and manage servers, end-user workstations in both unclassified and classified network environments on a Research, Development, Test and Evaluation (RDT&E) Program. Responsibilities * 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 Qualifications * 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 , 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 ). * 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
* Linux or Red Hat Certification preferred
Physical Demands: * Must be able to lift up to 5 pounds * Must be able to stand and walk for prolonged amounts of time * Must be able to twist, bend and squat periodically
SECURITY CLEARANCE REQUIRED: Must currently hold an active security clearance at the Top Secret level. US Citizenship is a requirement for Top Secret clearance at this location. In accordance with Executive Order 14042: Ensuring Adequate COVID Safety Protocols for Federal Contractors, candidates should be aware that they may be required to have received or be willing to receive the COVID-19 vaccine. #LI-JR1