Senior Advanced System Admin Specialist

General Dynamics Mission Systems, Inc•Pittsburgh, PA

1d•Onsite

About The Position

At General Dynamics Mission Systems, we create the technologies, products and services that help our service members, intelligence analysts and first responders keep our nation safe. The work we do is so advanced our teams often redefine what’s possible for the world. This role offers an opportunity to be a leader with a company that delivers smart solutions for national challenges, applying advanced technologies such as Artificial Intelligence, Blockchain, AR/VR, Cloud Native and Quantum Physics to solve customer missions in cyber, RF, undersea, interstellar and everything in between. As a seasoned leader, you will be involved with client decision-making, serving as a front-line interface to users with technical issues and conducting systems analysis and development to keep systems current with changing technologies. Duties include installing new software, troubleshooting, granting permissions to applications, and training users. You will also be responsible for the day-to-day support of server services by performing server administration for physical and virtual server operating systems, configuring, maintaining, and troubleshooting physical and virtual hardware and network related interfaces on servers. The role involves performing, maintaining, troubleshooting, and conducting a complete analysis of alerts; creating scripts to automate repetitive processes; and working with customers to identify, isolate, and resolve problems with servers affecting other services. The Sys-Admin role provides information system solutions and technical support to GDMS and its clients, including personal computer and client server support, systems administration of Linux based physical or virtual servers, applications support, storage support, and system security.

Requirements

U.S. citizenship is required
Bachelor’s degree in Computer Science, a related field or equivalent experience plus a minimum of 8 years of relevant experience; or Master's degree plus 6 years of relevant experience
Advanced understanding of server based operating systems
Subject matter expert (SME) with the ability to mentor others on administrating the server environment
Enhanced troubleshooting skills within the server OS as well as both networking and storage technologies
Hands-on experience developing, deploying and supporting large-scale enterprise server solutions
Team player who thrives in collaborative environments and revels in team success
Broad understanding of the interrelationships within the IT environment with focus on server and services
Senior level knowledge of physical and virtual server support
Senior level knowledge of access, permissions and security that gives the clients the access to the data they need to perform their daily activities
Identifies opportunities to apply AI for continuous improvement and innovation
Demonstrated expertise configuring, managing, and troubleshooting variations of DNS, DHCP, TCP/IP, Networking
Expertise with data center level backup systems & software, data storage solutions and legacy data center hardware/software solutions
Strong troubleshooting skills within the Linux OS as well as network and storage
Work individually or collaboratively as part of a high-performance work team
Strong interpersonal and communications skills
Skilled at clear and concise written and verbal communication
Solid understanding of how to configure, maintain and validate the Linux environment so that it is fully compliant to pass cyber security audits
Candidates must demonstrate passion for innovation, a sophisticated understanding of technological systems and programming, and the ability to further advance General Dynamics Mission Systems technology

Nice To Haves

Experience working with or familiarity with AI/ML models
Azure Cloud experience, confirmed with AZ104 class or other Azure certification
Ansible (good to have for scripting)
Knowledge and experience in the ITIL service framework
Experience with Agile tools and methodology
Red Hat or similar level of certifications
Familiarity in these areas: Splunk
Familiarity in these areas: AWS Cloud support
Familiarity in these areas: ClearCase
Familiarity in these areas: Centrify/Delinea
Familiarity in these areas: Python
Familiarity in these areas: Linux kernel understanding to analyze CPU and memory performance

Responsibilities

Serve as a front-line interface to users with technical issues
Conduct systems analysis and development to keep systems current with changing technologies
Install new software
Troubleshoot software issues
Grant permissions to applications
Train users
Perform day-to-day support of server services
Perform server administration for physical and virtual server operating systems
Configure, maintain and troubleshoot physical and virtual hardware and network related interfaces on servers
Perform, maintain, troubleshoot and conduct a complete analysis of alerts
Create scripts to automate repetitive processes
Work with customers to identify, isolate, and resolve problems with servers that are affecting other services
Provide personal computer and client server support
Perform systems administration of Linux based physical or virtual servers
Provide applications support
Provide storage support
Provide system security
Perform administration of Red Hat Enterprise Linux (RHEL) and Oracle Linux, versions 7/8/9
Configure, maintain, and troubleshoot physical hardware including Dell and Nutanix servers, both rack mounted and blade
Administer virtualized Linux servers via Nutanix Acropolis web client
Troubleshoot problems with Linux based systems
Script in a Linux shell to automate repetitive processes
Assist users to identify, isolate, and resolve problems with Linux servers
Perform analysis and logging of Host Intrusion Detection Systems tools like Splunk alerts
Monitor system and vendor management performance using Splunk ITSI
Perform periodic security patching of servers based on recommended patch sets using RHEL Satellite tools
Use security compliance tools on Linux OS and support security remediation
Configure, manage, and troubleshoot variations of DNS, DHCP, TCP/IP, Networking