Linux Systems Administrator (Unix)

LINUX SYSTEM ADMINISTRATOR (UNIX) (RDTE)

Bowhead is looking for a Linux Systems Administrator (UNIX) in Dahlgren, VA. The Linux Systems Administrator will be responsible for system administration and customer support of servers and workstations in a Research, Development, and Testing, and Engineering (RDT&E) environment.

• Red Hat Enterprise Linux system administration and will be expected to provide technical problem solving and in-depth consulting for problems involving system operations.
• Automated installation methods and system imaging (e.g. Kickstart/Anaconda).
• Usage of cryptographic log on methods (e.g. PKI).
• DISA STIG implementation and working within Configuration-Managed Environments.
• Working as part of a team responsible for administration and management of servers, end-user workstations in both unclassified and classified network environments.
• Analysis, design, and implementation of modifications to the system software in order to improve system performance by correcting errors.
• Participation in planning new hardware acquisitions, interacting with vendors, educating customers, and communicating and collaborating with other projects within the organization.
• Working closely with engineers to help them use workstations and servers to solve their computationally intensive problems.
• Supporting individual user workstations and associated software support.
• Support for application installation, licenses management, software tracking/distribution and backup/recovery of system configurations and user data files. TIER III (Sr. Linux Systems Administrator)
• 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
• Configuring static routes, packet filtering, and network address translation
• Setting kernel runtime parameters
• Producing and delivering reports on system utilization
• Using shell scripting to automate system maintenance tasks
• Configuring system logging, including remote logging
• Configuring a system to provide networking services, including HTTP/HTTPS, DNS, SMTP, SSH and NTP.

• Demonstrated experience in system administration of Linux-based servers and Linux-based workstations is required.
• Experience with Department of Defense security guidelines and policies (DISA STIGS).
• Well-developed Linux system management skills are required.
• Must meet DoD 8570 Cyber Security Workforce (CSWF) criteria of Information Assurance Technical (IAT) Level III certification within 4 months of hire. 
• Experience with the following operating systems and services is required: Red Hat Enterprise Linux (RHEL 7.x).
• A minimum of three (3) years of professional experience.
• Demonstrates strong troubleshooting skills along with strong analytical and problem solving skills.
• Must have the ability to multi-task and assist others to resolve IT related issues is essential.
• Must have knowledge in the installation, maintenance, and administration of computer systems in a LAN/WAN environment.
• Requires a strong understanding of current Microsoft supported Windows operating systems.
• An understanding of Linux operating systems is desirable; but not required.
• Requires a high level of competency in both written and oral communications skills is strongly desired with ability to work in a team environment.
• DoD Directive 8570.1 Information Assurance Technical Level II certification required (i.e., Security+ CE, GSEC, SSCP, or CCNA-Security).
• Familiarity with the Department of Defense (DOD) networking and security accreditation processes and procedures is required.

Physical Demands:

• Must be able to lift up to 10-20 pounds
• Must be able to stand and walk for prolonged amounts of time
• Must be able to twist, bend and squat periodically

SECURITY CLEARANCE REQUIREMENTS: Must be able to obtain an maintain a security clearance at the Top Secret level. US Citizenship is a requirement for Top Secret clearance at this location.

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