46 linux systems administrator jobs at 24 companies in Radnor, PA
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Systems Administrator
Philadelphia, Pennsylvania, United States
OnsiteFull Time
EHS Technologies: Provides engineering, IT, and environmental services to defense agencies.
3+ YOE3+ years systems administration experience managing Linux and Windows environments; current Secret clearance; IAT-1 or IAT-2 (e.g., CompTIA Sec+, CySA+, CCNA); experience with on-premises and cloud infrastructure, scripting, troubleshooting, and documentation.
Institute for Defense Analyses: Operates federally funded research centers for national security analysis.
3+ YOEBachelor's in CS or equivalent; 3+ years IT (2+ systems admin); advanced Linux/Windows skills; experience with HPC, Lustre, Slurm, HTCondor, MPI, CUDA, InfiniBand/GigE; ability to obtain Top Secret/SCI and DOD 8570 IAT II.
Minerals TechnologiesNYSE: MTX: Produces performance-enhancing minerals and mineral-based products.
5+ YOEBachelor's degree in a relevant technology field and 5+ years of systems, database, or network administration experience. Requires Microsoft systems knowledge, virtualization, backup, networking, analytical, and communication skills.
Microsoft Windows, Microsoft Server, Windows Server, Microsoft SharePoint, SQL Server, IIS, DFS, VMware, Veeam, SAN, Oracle RDMS, Linux, Microsoft Office, Microsoft Office 365, Microsoft Azure, Networking, Switches, Firewalls, IP phone systems, Microsoft Windows Server certification, Microsoft Azure certification
IT Systems & Endpoint Administrator (NJ, Princeton)
Princeton, New Jersey, United States
OnsiteFull Time
NEC Laboratories America: Conducts advanced research in AI, data science, and networking.
Hands-on experience deploying and managing Windows, macOS, and Linux endpoints; Microsoft 365 administration (Active Directory/Entra ID, Intune, Teams, Defender); user support, onboarding/offboarding, and scripting with PowerShell/Python/Bash.
Windows, macOS, Linux, Microsoft 365, Microsoft Active Directory, Microsoft Entra ID, Microsoft Intune, Microsoft Teams, Microsoft Defender, Microsoft PowerShell, Python, Bash
University of Pennsylvania: Research university offering higher education and healthcare services.
3+ YOEBachelor of Science and 3+ years experience; expert Linux and HPC skills, BASH/Python scripting, SLURM, Infiniband/TCP networking, storage and backup management, Salt/Ansible/MAAS, git, and experience with CPU/GPU nodes.
PEAC Solutions: Provides equipment financing and capital solutions for businesses.
3+ YOE3+ years systems or network administration experience; hands-on with Windows Server, Linux, Active Directory, Microsoft 365, networking (TCP/IP, DNS, DHCP, VPN), virtualization; Azure/AWS knowledge and vendor certifications preferred.
Windows Server, Linux, Active Directory, Microsoft 365, Azure, AWS, TCP/IP, DNS, DHCP, VPN
Noblis: Nonprofit science, technology, and strategy firm supporting government missions.
6+ YOEU.S. citizen with DoD Secret or ability to obtain, bachelor’s in IT or equivalent (6+ yrs), deep Windows/Linux administration, virtualization (VMware vSphere, Microsoft Hyper-V), networking, AD/LDAP, security tools and practices.
Windows, Linux, VMware vSphere, Microsoft Hyper-V, Active Directory, LDAP, IDS/IPS
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
5+ YOEBachelor’s degree plus 6 years, graduate degree plus 4 years, or 10 years equivalent experience; 5+ years systems/network administration; active Secret clearance; Windows/Linux, Active Directory, virtualization, networking, and scripting expertise.
Windows, Linux, Active Directory, PowerShell, Bash, Python, RHEL9, RHEL8, RHEL7, Ansible, Ansible Automation Platform, AWX, Puppet, Chef
Princeton University: Private research university providing undergraduate and graduate education.
10+ YOE10+ years managing research computing systems, strong Linux administration, scripting (bash/Python/Perl), SLURM experience, networking for HPC, and ability to lead technical projects.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
2+ YOEBachelor's degree in a STEM field, ~2 years' experience, Windows/Linux administration, virtualization, system hardening and cybersecurity, top secret with SCI clearance required.
Affiliated Distributors: Buying and marketing group for independent wholesale distributors.
3+ YOE3+ years Oracle experience, Bachelor's in CS/Information Systems or equivalent, 3+ years with data platforms, strong SQL, Snowflake and AWS (S3, Lambda, Glue, Redshift) experience, Drupal familiarity, Windows/Linux experience.
Lawson, Oracle, Snowflake, AWS, S3, Lambda, Glue, Redshift, Drupal (Acquia), SQL, Microsoft SQL Server, MySQL, Qlik, Microsoft Power BI, Tableau, Windows, Linux
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
Requires virtualization, Linux and Windows administration, Bash or Ansible scripting, security hardening, Trellix administration, Security+ or CISSP, and active Top Secret clearance with SCI eligibility.
Linux, Windows, Bash, Ansible, Trellix, VMware, ESXi, vSphere, NetApp, Active Directory, Group Policy, Python, STIGs
1+ YOEAssociate's degree or 1 year admin experience, 1+ year system engineering/IT support, hands-on Atlassian suite experience, Jira administration, JQL/REST/Groovy, SDLC/agile knowledge, troubleshooting and security awareness.
Jira, Confluence, JQL, REST, Groovy, Oracle, Linux
6+ YOEProvide administration for Informatica IDMC and on-prem MDM, Azure and Linux support, IaC (Terraform/Ansible), Git, 6 years combined education/work experience in systems design or architecture; bachelor's preferred.
RELXLondon Stock Exchange: REL: Provides professional data analytics, scientific publishing, and trade exhibitions.
6+ YOEUS citizen with Public Trust eligibility; Bachelor's in IT/CS/Engineering or equivalent; 6+ years enterprise systems engineering; Windows and Linux administration; virtualization, cloud (Azure/AWS), PowerShell, backup/DR, monitoring experience.
Windows Server 2016\u00132025, Microsoft Azure, AWS, Hyper-V, Microsoft Entra ID, Microsoft Intune, Azure Monitor, Datadog, PowerShell, JCL
LexisNexisNYSE: RELX: Global provider of legal, regulatory, and business information analytics.
6+ YOEUS citizen with Public Trust clearance; Bachelor's in IT or equivalent; 6+ years systems engineering experience; Windows and Linux administration; PowerShell/Bash/Python and automation tools; Azure/AWS and virtualization experience.
Windows Server, Microsoft Azure, Hyper-V, Microsoft Entra ID, Microsoft Intune, PowerShell, Bash, Python, Ansible, Terraform, Qualys, Tanium, Microsoft Defender, Azure Monitor, Datadog, Active Directory, DNS, DHCP, Group Policy
LexisNexisNYSE: RELX: Provides legal research and business analytics software solutions.
6+ YOEUS citizen required with Public Trust clearance; 6+ years systems engineering experience; Windows and Linux administration; Active Directory, DNS, DHCP, virtualization, storage, backup, cloud (Azure/AWS); PowerShell and automation experience.
Windows Server 2016–2025, Microsoft Azure, Hyper-V, Microsoft Entra ID, Microsoft Intune, Azure Monitor, Datadog, PowerShell, Bash, Python, Ansible, Terraform, Qualys, Tanium, Microsoft Defender
Systems Support Consultant III, IT Governance & Client Success
Newark, Delaware, United States
OnsiteFull Time
University of Delaware: Provides undergraduate and graduate education and conducts academic research.
3+ YOEBachelor's or equivalent with 3+ years related experience; Windows domain and Active Directory experience; endpoint management (SCCM, Kace, Jamf, Intune); server/Unix administration, scripting (PowerShell, Python, Bash), cloud (GCP, AWS, Azure), and strong communication and problem-solving skills.
Microsoft Active Directory, Microsoft Group Policy, Microsoft Windows Server, Unix, Microsoft SCCM, Kace, Jamf, Microsoft Intune, Microsoft PowerShell, Python, Bash, GCP, AWS, Azure
Richmond or Chicago or Kansas City or New York City or Atlanta or Dallas or Charlotte or Boston or Philadelphia or Cleveland or St. Louis or Minneapolis or San Francisco
$104k-$123k/yrOnsiteFull Time
Federal Reserve System: The central bank of the United States.
5+ YOERequires 5+ years administering IBM Sterling Connect:Direct, 3+ years with Sterling Secure File Gateway, Linux/Unix and shell scripting expertise, automation experience, and a bachelor's degree or equivalent experience.
IBM Sterling Connect:Direct, IBM Sterling Secure File Gateway, IBM Sterling Secure Proxy, Axway Secure Transfer, SecureTransport, CFT, FTP, SFTP, FTPS, HTTP, HTTPS, AS2, PeSIT, Linux, Unix, RHEL, CentOS, Bash, KSH, Ansible, Git, IBM Sterling Control Center, Docker, Kubernetes, AWS, Azure, GCP, Nagios, Splunk, ELK Stack, Oracle, DB2, PostgreSQL, TCP/IP, DNS, SSL/TLS, PKI, Python, Perl, Ruby