43 linux system administrator jobs at 29 companies in Townsend, DE

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
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.
Node.js, Python, Elasticsearch, Redis
4d
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System Administrator
Aberdeen Proving Ground, Maryland, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
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
4d
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System Administrator
Aberdeen Proving Ground, Maryland, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
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
3mo
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System Administrator
Philadelphia, Pennsylvania, United States
$65k-$102k/yr OnsiteFull Time
Noblis
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
1mo
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Principal Linux Systems Administrator - Polygraph
Morrisville or Baltimore
$99k-$148k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
3+ YOETop Secret/SCI with recent Polygraph required; Security+ CE (or IAT Level II); Linux server administration in classified environments; AWS experience; STIG implementation; 3+ years IT experience (varies by degree).
Linux, Windows, Solaris, macOS, UNIX, AWS, Terraform, Helm, Ansible, Docker, Kubernetes, HBSS, SolarWinds, Splunk, ServiceNow, JIRA, Python, C++
3mo
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Federal HPC Linux System Administrator, (Clearance required TS/SCI with Poly) On-Site, Maryland
Annapolis Junction, Maryland, United States
$82k-$188k/yr OnsiteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
3+ YOE3+ years HPC experience; Linux systems administration; Bachelor's degree or equivalent; TS/SCI with Poly clearance; US citizenship.
3mo
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Principal Linux Systems Administrator - Polygraph
Morrisville or Baltimore
$99k-$148k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEMaster's/ Bachelor's with IT experience; TS/SCI with polygraph eligibility; Linux server administration in classified environment; AWS; STIGs; Terraform/Ansible; Docker/Kubernetes; strong communication; ability to work on-site.
Linux Server, AWS, STIGs, Terraform, Ansible, Docker, Kubernetes, Python
5d
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OT System Administrator
Greenwood, Delaware, United States
$95k-$110k/yr OnsiteFull Time
Delaware Electric Cooperative
Delaware Electric Cooperative: Member-owned cooperative providing electricity distribution and energy services.
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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Systems Administrator - Machinery Control System (MCS)
Philadelphia, Pennsylvania, United States
OnsiteFull Time
ASR International
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
2mo
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Systems Administrator
Lexington Park, Maryland, United States
$90k-$135k/yr OnsiteFull Time
Saalex
Saalex: Provides engineering, IT, and mission support for defense agencies.
3+ YOE3+ years system administration; Security+; ACAS/SCAP/STIGs; Windows/Linux; network troubleshooting; ATO/eMASS; problem solving.
ACAS, SCAP, STIG, Windows, Linux, VMs, containers, eMASS, DoD cybersecurity tools, GitLab
3mo
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Systems Administrator
Annapolis Junction, Maryland, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
5+ YOESenior IT systems administrator with TS/SCI clearance; 5+ years SA experience; ServiceNow ITSM; UNIX/Linux/Windows administration; strong problem-solving and change management skills.
ServiceNow, ITSM, Unix, Linux, Windows, Change Management, Security Compliance
1mo
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Systems Administrator
Philadelphia, Pennsylvania, United States
OnsiteFull Time
EHS Technologies
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.
Linux, Windows, NAVLOG
5d
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Architect/System Engineer
Radnor, Pennsylvania, United States
OnsiteFull Time
Essent Group
Essent GroupNYSE: ESNT: Provides private mortgage insurance, reinsurance, and title insurance services.
Bachelor's in Computer Science or related field; knowledge of AWS, cloud-native design, multiple programming languages, Linux/Windows administration, systems analysis, strong troubleshooting and communication skills.
AWS, Java, Python, C, Rust, C#, Microsoft Windows, Linux
2mo
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IT Systems Administration (38031)
Camden, New Jersey, United States
$92k-$160k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
4+ YOETop-secret-capable systems administrator with 5+ years experience managing Windows/Linux servers, system hardening to RMF/CMMC/NIST, Active Directory, virtualization, and scripting in PowerShell/Bash/Python.
Red Hat Enterprise Linux (RHEL9), Red Hat Enterprise Linux (RHEL8), Red Hat Enterprise Linux (RHEL7), Active Directory, virtualization, Ansible, Ansible Automation Platform, AWX, Puppet, Chef, PowerShell, Bash, Python
1w
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Lab Systems Administrator
Towson, Maryland, United States
$66k/yr HybridFull Time
Towson University
Towson University: Public university providing undergraduate and graduate degree programs in Maryland.
Bachelor's degree and demonstrated proficiency with Windows and Linux; experience with system management, scripting, security, and supporting instructional/research lab environments.
Windows, Linux, VM, Docker, IDEs
1mo
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Database Administrator
Wayne, Pennsylvania, United States
HybridFull Time
Affiliated Distributors
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
1mo
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Master Data Management Administrator
Wilmington, Delaware, United States
$107k-$178k/yr HybridFull Time
M&T Bank
M&T BankNYSE: MTB: Provides retail, commercial, and wealth management banking services.
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
2d
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DevOps Support Engineer - Linux
Bala Cynwyd, Pennsylvania, United States
OnsiteContract
Susquehanna International Group
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.
Bash, Python, Unix, Linux
1w
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Specialist - System Operations (Weekend Support)
Philadelphia or Pennsylvania or Florida or New Jersey or Delaware
RemoteFull Time
Nasdaq
NasdaqNASDAQ: NDAQ: Operates global electronic marketplaces and provides financial technology services.
7+ YOE7+ years supporting enterprise server infrastructure; strong Linux and Windows administration; Python automation, ticketing, documentation, and effective communication skills.
HP OMi, RHEL, Rocky Linux, CentOS, Windows, Hyper-V, Python, Git, Confluence, iDRAC, iLO, Ansible, Shell, PowerShell, Microsoft Office, Splunk, Terraform, Tanium, Ansible Automation Platform, Foreman
1mo
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Senior HPC Systems Administrator, SAS Computing
Philadelphia, Pennsylvania, United States
$85k-$105k/yr HybridFull Time
University of Pennsylvania
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.
GPU, CPU, SLURM, conda, Infiniband, Linux, BASH, Python, Salt, Ansible, MAAS, git, AWS, Ubuntu, TCP
2mo
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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
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
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