110 system administrator jobs at 76 companies in Schertz, TX
2w
Save
Mark Applied
Hide
2w
System Administrator
San Antonio, Texas, United States
OnsiteFull Time
RealmOne: Provides advanced technology services for national security agencies.
5+ YOE5+ years systems administration experience preferred, bachelor\u0002s in a technical discipline, active security clearance with polygraph, ability to manage UNIX/Windows systems, Tier 1/2 support and troubleshooting.
The 20: Provides enterprise-class managed IT services and business technology support.
4+ YOERequires an associate or bachelor's degree or equivalent experience, 4–6 years of IT administration experience, systems and networking expertise, virtualization knowledge, and scripting and automation experience.
Microsoft Windows Server, Active Directory, Azure AD, Microsoft 365, Microsoft Exchange, Microsoft SharePoint, Microsoft OneDrive, Microsoft Teams, Intune, VMware, Hyper-V, IT Glue, Kaseya BMS, Kaseya VSA
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
4+ YOEBachelor's (or equivalent) and 4+ years system administration experience; Windows/Linux server management, monitoring, patching, backups, automation with PowerShell/Bash/Python; active Secret clearance and US citizenship required.
Set of X: Provides specialized engineering services for U.S. national security missions.
10+ YOE10+ years system administration experience, Linux administration, enterprise infrastructure support, strong troubleshooting and communication, ability to work independently in mission-focused environments, TS/SCI with polygraph required.
University Health: Provides comprehensive public healthcare and specialized hospital services.
6+ YOEBachelor’s degree in a relevant field or equivalent experience, six years of programming and systems analysis experience, and proficiency in a computer system language and data management methodology.
ERP, PeopleSoft, Premier, UKG Dimensions, 3m, Hyland OnBase Document Management, API, Dell Boomi, Tableau, SQL, Microsoft SharePoint, Adobe Products, Microsoft Office, HIM, TCP/IP, FTP/SFTP, Globalscape, ASP, Web Development, Business Objects, Visual Basic, C++, Microsoft SQL Server, Oracle, Cache, Windows, UNIX
SRC: Develops advanced radar and electronic warfare systems.
4+ YOEBachelor's in computer-related field and 4+ years' experience; active TS/SCI clearance required; experience with Linux/RHEL, Kubernetes/Open Shift, SAN/NAS, Windows Server, HPC; CompTIA Security+ CE and RHCSA certifications preferred; able to support on-call/shift work and TDY.
Linux/RHEL, Kubernetes, Open Shift, NAS/SAN, Windows Server, Active Directory, DNS, application servers, database server, mail servers, High-performance computing (HPC)
Semper Valens Solutions: Provides systems engineering, software development, and technical support services.
10+ YOE10+ years IT systems administration on Windows and Linux; AWS maintenance; Kubernetes; Docker; Terraform; Helm; Ansible; CI/CD; GitLab; Kustomize; IAT Level II; Security+; CISSP; TS/SCI eligibility
G6 Cyber Solutions: A technology solutions provider focused on national security and military operations.
Windows and Linux system administration; hardware/software management; patching and security; accreditation docs OV1-OV3; vulnerability scanning; CLI proficiency.
Red Hat Linux, Windows Server, STIG, SCAP, SIEM, HIDS, NIDS
ASP Web Solutions: Delivers IT engineering and database services for defense agencies.
4+ YOERequires 4+ years of LogiCole system administration experience, DMLSS support skills, a bachelor's degree preferred, and Secret clearance eligibility.
LogiCole, Defense Medical Logistics Standard Support (DMLSS)
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
3+ YOEMaster's+3yrs or Bachelor's+5yrs experience; Oracle DBA (19c+) skills, SQL/PLSQL, Red Hat Linux administration, ability to obtain security clearance and IAT Level II certification, strong troubleshooting and communication.
Oracle 19c, Oracle GoldenGate, Oracle Label Security, SQL, PL/SQL, Red Hat Linux, ESXi
Rush EnterprisesNASDAQ: RUSHA: Operates an integrated network of commercial vehicle dealerships.
5+ YOERequires 5–8 years of systems administration experience, advanced Active Directory, Azure AD/Entra ID, IAM, and Microsoft 365 expertise, plus a bachelor's degree or equivalent experience. Certifications preferred.
Active Directory, Group Policy Objects (GPO), Azure AD/Entra ID, Microsoft 365, PowerShell
XPELNASDAQ: XPEL: Provides protective films and coatings for automotive and architectural surfaces
5+ YOEBachelor's in information systems, computer science, or equivalent experience; 5+ years of business systems administration experience with configuration, security, cross-functional support, troubleshooting, and change management.
Empower AI: Providing AI-enabled technology solutions for federal government agencies.
5+ YOEBachelor's degree in IT or related field, 5+ years of experience, Secret security clearance, and preferred CompTIA Security+ and ITIL 4 Foundation certifications. Must lift up to 40 pounds and travel up to 10%.
Active Directory (AD), System Center Configuration Manager, Post Administration Tool, Travel Document Issuance System, Passport Records Imaging System Management, Automated Cash Register System, vSphere Installation Bundles (VIBs), Oracle, SQL, ServiceNow
NikSoft: Delivering IT solutions and cybersecurity services to federal agencies.
5+ YOERequires 5+ years of Windows systems administration, DISA STIG hardening, VMware and SAN familiarity, a related bachelor's degree, Microsoft certification, and U.S. citizenship for government investigation.
Microsoft Windows, DISA STIGs, VMware, SAN, Active Directory, Group Policy, Red Hat Linux, Scrum, Lean Startup, XP, Microsoft MCSE, Microsoft MCSA, LAN, WAN
Gonzaba Medical Group: Provides primary and specialty medical care services for patients.
3+ YOE3+ years PACS/RIS administration experience preferred; strong knowledge of DICOM, HL7, imaging workflows; experience with PACS/RIS systems; HIPAA compliance; ability to troubleshoot and support clinical staff.
GE PACS, MedQ, PowerScribe, Athena, DICOM, HL7, EMR
Viant: Designs and manufactures complex medical devices for global OEMs.
4+ YOEAssociate degree in computer science or technical field, 4–6 years of system administration experience, bilingual English/Spanish fluency, and experience with Windows, networks, Microsoft 365, Active Directory, and IT hardware.
Microsoft Teams, Microsoft OneDrive, Microsoft Exchange, Microsoft SharePoint, Entra Admin, Active Directory, Intune, Microsoft 365, Windows, MSP360, Wasabi, AWS, 3CX, TCP/IP, DNS, DHCP, VPN, VLAN, VMware, Cisco Meraki, UNIFI, Endpoint Central
Annapolis Junction or San Antonio or Aurora or Cary
$99k-$155k/yrOnsiteFull Time
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEActive TS/SCI with polygraph, HS+10yrs or Bachelor's+5yrs, experience implementing/troubleshooting/maintaining IT systems, Tier1/2 support, UNIX and Windows administration, system monitoring and capacity planning.
Pape-Dawson Engineers: Provides civil engineering, surveying, and environmental consulting services.
5+ YOE5+ years application administration, bachelor's in IT/CS or equivalent, strong Power Automate and SharePoint experience, Python familiarity, enterprise application integration and system design skills, ability to mentor junior staff.
Apriva: Secure mobile payment and classified communication technology provider.
2+ YOEExperience with Windows and Linux server operations, sustainment, and management; DoD SECRET clearance; 2 years related experience; Bachelor or Master degree with related experience.
Windows Server, Linux (Red Hat Enterprise Linux), VPN, Active Directory, SCCM, SQL, MySQL, SELinux, DNS, VMware, ESXi, vCenter, vSphere, Networking devices, Firewall