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Linux Systems Administrator - Dahlgren, United States - RTL Networks
Description
Position Title:
Linux Systems Administrator
Location:
Dahlgren, VA
Status:
Full-time / On-site
Clearance:
Top-Secret
Required Certification(s):
IAT II (Security+)
About Us:
RTL Networks, Inc.
is a rapidly growing company primarily focused on providing information technology (IT) support services and personnel to various commercial and government customers for extended-term contracts.
By providing a wide array of professional services and products, we help our customers leverage technology and operate confidently in their technology environments to ensure resource predictability, security, and reliability to meet business objectives.
Summary:
RTL Networks has an exciting opportunity for a Linux Systems Administrator.
We seek qualified professionals to support our team's Research, Development, Test, and Evaluation Program at the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), in Dahlgren, VA.
The Linux Systems Administrator is responsible for system administration and customer support of servers and workstations in a Research, Development, and Testing and Evaluation (RDT&E) environment.
Primary Responsibilities:
Essential responsibilities of the Linux Systems 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.
Provide support Dahlgren Information Repository for Cybersecurity (DIRCS) development and other automation/data consolidation to provide value added cyber compliance reporting from existing toolset in use and display those on a per asset/package/department basis and would be capable of providing views useful to both management and more detailed reporting for technical POCs.
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.
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 trouble shooting 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 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 currently hold a security clearance at the Top-Secret level. US Citizenship is a requirement for clearance at this location.
NOTE:
The applicant selected for this position must have and be able to maintain an Active Security Clearance.
U.S. Citizenship required.
Applicants must have a valid driver's license for this position and will be subject to verification.
Chosen applicants must pass pre-employment drug screening, credit review, and a criminal background check.
We are an Equal Opportunity Employer, Females/Minority/Veterans/Disabled/Sexual Orientation/Gender Identity/Religion/National Origin
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