Linux Systems Administrator (Red Hat)

Overview

LINUX ADMINISTRATOR (RED HAT) (RDTE)

Bowhead seeks a Linux Administrator (Red Hat) to join our team in Dahlgren, VA. The Linux Administrator (Red Hat) is responsible for system administration and customer support of servers and workstations in a Research, Development, and Testing and Evaluation (RDT&E) environment.

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' (3-6) experience in system administration of Linux-based servers and Linux-based workstations
• Ideal Linux Admin will have troubleshooting skills in RHEL 7 / 8 / 9 OS and basic knowledge of Networking fundamentals, specifically TCP / IP protocol suite and IP configuration
• In addition, working knowledge of security guidelines and polices (DISA STIGs) and tools (Evaluate-STIG, STIG-Manager)
• Knowledge of / experience with Tenable suite of products (Security Center, Nessus Scanner, Nessus Agent) is a plus
• Seeking specific experience with the following operating systems and services is required : Red Hat Enterprise Linux (RHEL 8.

x with RHEL 7.x and / or RHEL9.x a plus)

• 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, Splunk, Centralized patching solutions such as Red Hat Satellite, Automation solutions such as Ansible Tower / AWX
• Knowledge of / experience with : Single Sign on solutions such as RHSSO; Virtualization platform management systems such as VMWare / VSphere / Vcenter is a plus
• Demonstrated experience managing the installation and maintenance of IT infrastructure
• Experience working in an environment with rapidly changing job priorities
• Experience with Service Now or similar Ticket Management system
• Linux+ or Red Hat Certification preferred

Physical Demands :

• Must be able to lift up to 10-15 pounds
• Must be able to stand and walk for prolonged amounts of time
• Must be able to twist, bend and squat periodically
30+ days ago