Maintains operation of multi-user computer systems, including coordination of infrastructure and cloud responsibilities.
Develops and designs core operating system builds.
Responsible for coding, virtualization, and automation of systems.
Sets up administrator and service account, maintains an active directory of users and system documentation, tunes system performance, installs system-wide software, and allocates mass storage space.
Assesses and resolves user access problems related to security controls to minimize business impact and risk exposure.
Identifies and evaluates vendor products and establishes vendor monitoring and tracking processes.
Performs capacity planning and monitors/tunes systems.
Recommends appropriate platforms for purchase, coordinates installation, and provides backup recovery.
Serves as a point of escalation for major incidents that are unresolved at the helpdesk level.
Develops and monitors policies and standards for allocation related to the use of computing resources.
May draft general IT communications to end-users including notifications of outages/downtimes.
May serve as the primary liaison for mergers, acquisitions, and divesture activities as it relates to user access, network, security, and support.
Background/Need
The Enterprise Technology and Tools (ETT) Team provides resources to assist with compliance execution, reporting, and vulnerability-remediation activities.
These services are offered across the Laboratory through the ISD Embedded System Administrator (ESA) Group.
In addition, the ETT Team is responsible for the overall operation of monitoring tools.
Such tools include SolarWinds, the Laboratory’s IT service management (ITSM) tool (Footprints), and the Laboratory’s central visibility tool—BigFix.
Other Information Relevant To The Job Requirement
The Linux Systems Administrator will demonstrate a strong understanding of Linux operating systems including both workstation and server varieties while supporting the Laboratory’s enterprise classified computing infrastructure.
The ideal candidate will have a solid background with Linux to include the underlying systems and services that support them.
These systems and services would include but are not limited to file sharing, Satellite, Ansible Automation Platform, multi-factor authentication, disk encryption and patching.
This candidate will also possess some background with DevSecOps concepts (artifact repository, container registries, scanning and platforms, etc.) and tools (Sonatype Nexus, JFrog Artifactory, Prisma Twistlock, RHEL OpenShift, etc.)
Required Minimum
Utilizing Satellite to support Linux systems
Package development and deployment (rpm, yum, dnf)
Supporting RHEL 7/8 workstation and server
Experience with bash/shell, Python and perl scripting
Understanding of Linux troubleshooting to include the boot process, Kickstart building, systems, monitoring of system resources, kernel tuning, system performance troubleshooting, system calls and tracing
Experience configuring storage for Linux systems (LVM, file systems, RAID, storage encryption, SAN, NAS and NFS)
Strong overall network skills (package captures, NIC latency tuning, route tables and tracing, subnetting, firewall/iptable, TCP/UDP/IP protocols)
Ability to work independently toward delivery of goals as well as collaborate in team efforts
Excellent customer service skills
Excellent presentation, verbal and written communication skills
Demonstrate the ability to learn new technologies and disciplines quickly
Security+ certification or the ability to obtain within 6 months of employment
Bachelors of Computer Science or relevant technical field of study
Preferred
Experience utilizing Ansible Automation Platform to support Linux systems
Experience supporting DevSecOps environments.
Experience supporting software deployment on Linux
Experience supporting cloud infrastructure. Preferably in classified environments but public domain experience is also beneficial
Experience with the Command Cyber Readiness Inspection (CCRI) process and maintaining an inspection ready environment.
As an equal opportunity employer, ICONMA provides an employment environment that supports and encourages the abilities of all persons without regard to race, color, religion, gender, sexual orientation, gender identity or express, ethnicity, national origin, age, disability status, political affiliation, genetics, marital status, protected veteran status, or any other characteristic protected by federal, state, or local laws.
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