69 linux administrator jobs at 37 companies in Elsmere, DE
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Tech MahindraNational Stock Exchange of India: TECHM: Global provider of information technology and business consulting services.
5+ YOE5+ years Linux administration; OpenStack and Kubernetes; TCP/IP networking; scripting (bash, Python); cloud and data center experience; strong security and troubleshooting skills; AWS familiarity preferred.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOE5+ years systems administration (Windows/Linux), Windows Server and Linux experience, network and virtual server experience, desktop support, inventory and configuration management, Top Secret clearance required.
Windows Server, Linux, Redhat, Ubuntu, VMWare, Hyper-V, Kubernetes, SCAP, STIGs
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years Windows and Linux systems administration; Red Hat/Ubuntu; 3+ years network administration; 1+ year virtualization (VMWare/Hyper-V/Kubernetes); desktop support; inventory and patch management; DoD 8140; Top Secret clearance; HS diploma or GED.
Windows Server, Linux, Redhat, Ubuntu, VMWare, Hyper-V, Kubernetes, SCAP, STIGs
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
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.
Noblis: Provides science and technology solutions for government missions.
6+ YOEBachelor's in IT/CS or related field or 6+ years of relevant experience; US Citizenship with active DoD Secret clearance or ability to obtain one; strong cybersecurity emphasis and system hardening; Windows and Linux administration; security technologies; VMware/Hyper-V; AD/LDAP knowledge; certifications such as Security+ or CISSP.
Windows Server, Linux, VMware vSphere, Microsoft Hyper-V, Firewalls, IDS/IPS, Endpoint Protection, Active Directory, LDAP, Group Policy
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
Noblis: Nonprofit science, technology, and strategy firm supporting government missions.
Bachelor’s degree in IT/CS or related field or 6+ years experience; US Citizenship with DoD Secret clearance or ability to obtain; strong cybersecurity focus; Windows/Linux admin; security tech; certifications (Security+, CISSP); virtualization; AD/LDAP; networking.
VMware, Microsoft Hyper-V, Active Directory, LDAP, Group Policy, LAN/WAN networking, VLANs, IP subnetting, 802.1Q trunking, firewalls, IDS/IPS, endpoint protection, Windows, Linux
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.
Susquehanna International Group: Global quantitative trading firm providing proprietary financial market liquidity.
Experience in application support/operations/DevOps or systems administration; scripting (Bash, Python); Unix/Linux command line; troubleshooting during outages; ability to integrate AI tools; BS in a technical discipline preferred.
The Kendall Group: Wholesale distributor of industrial and electrical products.
2+ YOE2+ years security administration experience, strong information security and networking knowledge, degree or equivalent experience, proficiency with modern security platforms, familiarity with ISO 27001/NIST/NERC-CIP.
ISO 27001, NIST, NERC-CIP, VMware, RedHat Linux, Cisco, MS O365
Systems Administrator - Machinery Control System (MCS)
Philadelphia, Pennsylvania, United States
OnsiteFull Time
ASR International: Provides technical and management support services to government agencies.
3+ YOEBachelor's in Engineering or Computer Science; 3 years in IT/Systems role; VMware/VDI experience; cybersecurity focus; Windows and Linux admin; AD/LDAP; networking basics.
VMware, Hyper-V, Windows Server, Linux, Active Directory, Group Policy, VLANs, Firewall, IDS/IPS
Innovative Defense Technologies: A defense-focused technology delivering automated software, data analysis, and cybersecurity solutions for mission-critical systems.
3+ YOEActive Secret clearance, 3+ years systems administration, Windows/Linux/VMware expertise, Security+ CE (or equivalent IAT/IAM), Bachelor’s or equivalent, scripting and STIG/SCAP/ACAS/Nessus experience.
Windows 11, Server 2022, Server 2025, ESXi, VMware vSphere, vCenter Server, Red Hat, PowerShell, Bash, Python, PowerCLI, Ansible Playbook, PDQ Deploy, ACAS, Nessus, STIG, SCAP
AssetWorks: Develops software for managing physical assets, fleets, and infrastructure.
7+ YOE7+ years Oracle DBA experience in enterprise hosting/managed services with Exadata and Linux SE environments; expertise in performance tuning, patching, RMAN backups, RAC/ASM/Data Guard, scripting (Bash/PL/SQL/Python), and strong communication.
DecisivEdge: Provides technology consulting and digital transformation business solutions.
5+ YOEBachelor's degree and 5+ years Oracle middleware/database administration; experience with OCI/Azure, WebLogic, Oracle DB 19c/23c, Linux, SQL/PLSQL, shell scripting, REST/SOAP, SSL/TLS, production support and on-call rotation.
Azure, Oracle Cloud Infrastructure (OCI), Oracle Database 19c, Oracle Database 23c, Oracle WebLogic Server 12c, Oracle WebLogic Server 14c, Oracle Enterprise Linux 7.x, Oracle Enterprise Linux 8.x, Oracle Fusion Middleware, ADF, RCU, Oracle JDK 1.8, JDK 21, SQL, PL/SQL, Shell scripting, REST, SOAP, JDBC, SSL, TLS, Oracle RAC, Data Guard, Oracle HTTP Server (OHS), Apache Tomcat, IBM MQ, JMS, Splunk, AppDynamics, Dynatrace, Jenkins, Bitbucket, Oracle Analytics Publisher
Phenom: AI-powered talent experience platform for hiring and retaining talent.
Bachelor’s degree in CS or related field; basic SQL/database concepts; familiarity with PostgreSQL, MongoDB, or MySQL; willingness to learn and perform maintenance, backup, and performance troubleshooting; strong communication and teamwork.
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.
Classified IT System Administrator, Sr / Onsite: PA, CO, CA, AL or FL
King of Prussia or Huntsville or Littleton or Sunnyvale or Titusville
$86k-$170k/yrOnsiteFull Time
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOEUS citizen able/willing to obtain Top Secret clearance, 3+ years system administration experience (Linux/Windows/network/storage), system integration and troubleshooting, patching/configuration management, networking knowledge, strong communication.
MillerKnollNASDAQ: MLKN: Designs and manufactures modern furniture for workplaces and residential environments.
4+ YOEAdminister and improve engineering software (PTC Creo, Windchill), maintain PLM/data integrity, support workstations and integrations, train users; 4+ years Creo/Windchill experience and technical degree or equivalent.