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