40 linux systems administrator jobs at 27 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
1d
Save
Mark Applied
Hide
Linux Administrator
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Principal/Sr. Principal Virtualization Systems Administrator
Linthicum or Baltimore
$99k-$148k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
6+ YOEActive U.S. Secret clearance, ability to obtain SAP/SAR, Security+ CE/CISSP/CASP (or obtain within 6 months), extensive Windows/Linux and Active Directory experience, virtualization (VMware), and systems administration experience.
VMware, Microsoft Active Directory, Windows Server, Linux, Cisco, SAN, HBSS, SolarWinds, Splunk
3mo
Save
Mark Applied
Hide
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.
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Lead, IT Systems Administration (37395)
Camden, New Jersey, United States
$111k-$205k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
5+ YOEActive TS/SCI clearance, 5+ years systems or network administration, Windows/Linux and Active Directory expertise, virtualization, Security+ or equivalent, scripting in PowerShell/Bash/Python, bachelor’s degree or equivalent experience.
Active Directory, PowerShell, Bash, Python
1w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
IT Systems & Network Administrator
Baltimore or United States
HybridFull Time
Hudson Global Scholars
Hudson Global Scholars: Provides accredited online U.S. education to international K-12 students.
1+ YOE1-3 years IT support; SQL Server/MariaDB; AWS familiarity; PowerShell; VPN/firewall; Windows imaging; strong English; independent work style; pfSense/OpenVPN/Unix/Azure AD a plus.
Windows, SQL Server, MariaDB, AWS, PowerShell, OpenVPN, pfSense, Unix, Azure AD
1mo
Save
Mark Applied
Hide
MD-Systems Administrator 3- TS/SCI w/ Polygraph
Annapolis Junction, Maryland, United States
$105k-$175k/yr OnsiteFull Time
Sunayu
Sunayu: Engineering technology and DevSecOps solutions for defense and intelligence missions.
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
1w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1d
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
System Administrator
Philadelphia, Pennsylvania, United States
$65k-$102k/yr OnsiteFull Time
Noblis
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
1w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
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

Explore Jobs

Expand Your Job Search