66 linux administrator jobs at 35 companies in Bear, DE
2w
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Linux Administrator
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
5+ YOEBachelor's or equivalent experience, 5+ years Linux/system administration experience, DoD 8570 certification (Security+), OS certification (Linux+/RedHat), ability to obtain Top Secret clearance, scripting and automation experience.
Ansible, Puppet, Python, Apache, Zabbix, Red Hat Satellite, Red Hat Identity Manager, BIND, OpenID, LDAP, Kerberos
3w
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System Administrator
Aberdeen Proving Ground, Maryland, United States
$78k-$176k/yr OnsiteFull Time
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
3w
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System Administrator
Aberdeen Proving Ground, Maryland, United States
$78k-$176k/yr OnsiteFull Time
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
5d
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System Administrator
Philadelphia, Pennsylvania, United States
$65k-$102k/yr OnsiteFull Time
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
1mo
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Network Administrator
Mount Laurel, New Jersey, United States
$95k-$115k/yr HybridFull Time
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
1mo
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Systems Administrator
Philadelphia, Pennsylvania, United States
OnsiteFull Time
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.
Linux, Windows, NAVLOG
2mo
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Database Administrator
Wayne, Pennsylvania, United States
HybridFull Time
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
1mo
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Master Data Management Administrator
Wilmington, Delaware, United States
$107k-$178k/yr HybridFull Time
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.
Informatica IDMC, Informatica MDM, IDMC Secure Agent, Azure, Azure VM, Azure Kubernetes Service, Blob Storage, Private DNS, Private Endpoints, Private Link, Terraform, Ansible, Git, Linux
2w
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System Administrator - GAINS
Aberdeen, Maryland, United States
$90k-$98k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
3+ YOEAdminister, secure, and optimize enterprise Linux systems; support C4ISR/C5ISR services; perform patching, backups, vulnerability assessments; 3+ years Linux system admin experience and DoW Secret clearance.
CentOS, Kubernetes, Symantec Ghost, MECM, VMware vCenter, SAN
3d
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Database Administrator, Specialist
Wayne or Charlotte
HybridFull Time
5+ YOEFive years of database administration experience with Oracle, SQL Server, or AWS; related undergraduate degree or equivalent experience; strong troubleshooting, automation, communication, and organizational skills.
Oracle, Microsoft SQL Server, AWS, Postgres, DynamoDB, Microsoft Windows, Linux, Red Hat, VMware, Software-Defined Networking (SDN), DNS, Ethernet, Firewalls, Load Balancers, Wide Area Network (WAN), WiFi, Microsoft Active Directory, LDAP, Control-M, ITIL, ServiceNow, PowerShell, Shell Scripting, PL/SQL, T-SQL, Oracle RAC, Oracle Data Guard, RMAN, Oracle Enterprise Manager, Bash, KornShell, Toad, SQL Developer, Microsoft SQL Server Management Studio, Microsoft System Center Operations Manager, Extended Events, SQL Profiler, Query Store, Brent Ozar procedures, AWS CloudWatch
1w
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Systems & Application Administrator
Exton, Pennsylvania, United States
OnsiteFull Time
4+ YOE4+ years administering Windows/Linux servers, virtualization, Microsoft 365, scripting (PowerShell/Bash/Python), networking, storage, backup, cybersecurity, and supporting business-critical applications.
Windows Server, Linux, VMware, Microsoft 365, PowerShell, Bash, Python, Active Directory, Azure, AWS
4d
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Senior Databricks Administrator / Python Developer
Toronto or Mount Laurel
$82k-$115k/yr HybridFull Time
5+ YOEBachelor’s degree plus 5+ years of Databricks administration and Python development experience. Requires cloud analytics, Linux, software engineering, data engineering, and enterprise platform support expertise.
Databricks, Python, Linux, SAS 9.4, Git, PySpark, Oracle, Spark SQL, Delta Lake, REST API, Unity Catalog, CI/CD
3w
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DevOps Support Engineer - Linux
Bala Cynwyd, Pennsylvania, United States
OnsiteContract
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.
Bash, Python, Unix, Linux
3w
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OT System Administrator
Greenwood, Delaware, United States
$95k-$110k/yr OnsiteFull Time
10+ YOE10+ years experience with computer systems or electrical power/SCADA; associate degree in computer-related field (bachelor's preferred); working knowledge of Windows, LINUX, Microsoft Office; ability to manage SCADA, load management, and LAN/WAN.
Windows, LINUX, Microsoft Office, SCADA, LAN/WAN
3w
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Windows System Administrator - JobID-0249
Mount Laurel, New Jersey, United States
$90k-$184k/yr OnsiteFull Time
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
1mo
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Senior Oracle Database Administrator
Wayne or Pennsylvania or United States
HybridFull Time
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.
Exadata, ExaCC, Oracle RAC, ASM, Data Guard, AWR, ADDM, ASH, Statspack, SQL Tuning Advisor, Oracle RMAN, Data Pump (expdp/impdp), Bash, Python, PL/SQL, Azure DevOps, GitHub Actions, Confluence, ExaCLI, OEDA, CellCLI, Exadata Health Monitor, Oracle Enterprise Manager (OEM), Grafana, Datadog, RHEL, OEL, Linux
4d
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Senior Systems Administrator & CI/CD Lead
Aberdeen, Maryland, United States
$130k-$200k/yr HybridFull Time
6+ YOEActive Secret clearance (TS/SCI eligible), 6+ years managing Linux/Windows enterprise infrastructure, DevSecOps/CI/CD, DoD 8570/8140 IAT II/III certifications, CI/CD tooling, scripting (Bash/Python), and support for CUI lab environments.
Linux, RHEL, Ubuntu, Windows Server, Docker, Kubernetes, Jenkins, Git, Ansible, Terraform, STIG, Bash, Python, Jira, Confluence
3mo
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Database Administrator - I
Ambler, Pennsylvania, United States
$80k-$90k/yr OnsiteFull Time
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.
postgresql, mongodb, mysql, redis, elasticsearch, bash, shell scripting, python, linux, aws, azure
2mo
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Senior HPC Systems Administrator, SAS Computing
Philadelphia, Pennsylvania, United States
$85k-$105k/yr HybridFull Time
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.
GPU, CPU, SLURM, conda, Infiniband, Linux, BASH, Python, Salt, Ansible, MAAS, git, AWS, Ubuntu, TCP
2mo
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MD-Systems Administrator 3- TS/SCI w/ Polygraph
Annapolis Junction, Maryland, United States
$105k-$175k/yr OnsiteFull Time
15+ YOETS/SCI clearance with polygraph; 15 years SA experience; bachelor's degree in a technical field; 5 years if degree substituted.
Cisco routers and switches, UNIX, Windows, Networking
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