47 linux systems administrator jobs at 25 companies in Middletown, 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
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
2w
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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
1w
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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
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
3mo
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Virtualization Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Washington or Colorado Springs or MacDill AFB or Springfield
$147k-$199k/yr OnsiteFull Time
8+ YOE8+ years IT experience; TS/SCI with poly; virtualization on VMware/Hyper-V; Windows & Linux admin; patching; DoD 8140 certs; US citizenship
VMware, Hyper-V, Windows Server, Linux Server, STIG, Patching tools
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
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
4w
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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
1w
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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
9h
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IT Systems Administration (42605)
Camden, New Jersey, United States
$92k-$171k/yr OnsiteFull Time
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
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
4w
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Systems Engineer - IT (TS/SCI)
King of Prussia, Pennsylvania, United States
$70k-$140k/yr OnsiteFull Time
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.
Windows, Linux, Hypervisor, PowerShell, Ansible, ACAS, Nessus, Trelix, VMWare, AWS, OpenStack, OpenShift, KVM, Active Directory, Containers
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
4w
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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
2mo
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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
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
2mo
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INFRASTRUCTURE & HPC SYSTEMS ENGINEER
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOEBachelor's in CS/engineering/math or equivalent and 5+ years HPC administration/systems engineering experience. Expertise with Linux/Windows, HPC clusters, Slurm, scripting (Python, Bash), containers (Docker), storage (Ceph/GPFS/Lustre/BeeGFS), and automation (Terraform).
Windows, Linux, Red Hat, CentOS, Slurm, Docker, Python, Bash, Ceph, GPFS, Lustre, BeeGFS, MPI, OpenMP, Terraform
1mo
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Systems Engineer (Hybrid - Baltimore)
Baltimore, Maryland, United States
$80k-$100k/yr HybridFull Time
3+ YOE3+ years systems engineering/administration experience with Windows Server, Active Directory, virtualization (VMware/Hyper-V), Azure and Microsoft 365; strong troubleshooting, documentation, and time-management skills.
Windows Server, Linux, Active Directory, Group Policy, DNS, DHCP, VMware, Hyper-V, Azure, Microsoft 365
1mo
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Systems Engineer III** Hybrid in Horsham, PA
Horsham or New Jersey or Philadelphia
$72k-$119k/yr HybridFull Time
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
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