41 infrastructure administrator jobs at 32 companies in Stonegate, CA
6d
Save
Mark Applied
Hide
Infrastructure & Systems Administrator
El Segundo, California, United States
$80k-$100k/yr OnsiteFull Time
3+ YOERequires 3–7 years supporting IT infrastructure or enterprise systems; Windows Server, Linux, Microsoft 365, networking, virtualization, backups, scripting, and cybersecurity experience. Degree optional with substantial experience.
Windows Server, Linux, Ubuntu, Rocky Linux, Proxmox, Microsoft 365, Microsoft Entra ID, Microsoft Intune, Microsoft Exchange Online, Microsoft SharePoint, PowerShell, Bash, Docker, Kubernetes, Python, Ansible, TCP/IP, VLANs, VPNs, CMMC
1mo
Save
Mark Applied
Hide
Infrastructure Deployment Administrator
Costa Mesa, California, United States
$129k-$171k/yr FieldFull Time
3+ YOE3+ years implementing and supporting IP networks (BGP/OSPF); hands-on experience with Cisco/Arista and Palo Alto; familiarity with Linux/Windows/VMware/cloud; scripting/automation experience; able to travel ~40%, lift 40 lbs, and obtain Secret clearance.
Lattice OS, BGP, OSPF, VRFs, VLANs, VXLAN, STP, EtherChannel, IOS XE, NXOS, EOS, Palo Alto, Panorama, NGFW, Red Hat Enterprise Linux, Windows Server (2022, 2025), VMware (vSphere), VMware ESXi, Azure, AWS, GCP, Linux KVM, Hyper-V, Docker, Python, Nornir, Jinja, Ansible, Terraform
1w
Save
Mark Applied
Hide
Network & Infrastructure Administrator
Rancho Dominguez, California, United States
OnsiteFull Time
Installs and maintains operating systems, servers, virtualisation, network devices and backup systems; troubleshoots issues, follows change management and documents activities; supports governance and security standards.
3d
Save
Mark Applied
Hide
Systems Administrator- Engineering & Infrastructure
Santa Fe Springs or Los Angeles
$90k-$120k/yr OnsiteFull Time
3+ YOEBachelor's degree or equivalent experience; 3+ years writing SQL queries and stored procedures; reporting tools experience; systems administration expertise; U.S. person status and ability to obtain a security clearance.
FlexLM, Microsoft GCC High, Entra, Microsoft Intune, Mobile Device Management (MDM), CATIA, NX, Windchill, Teamcenter, AWS GovCloud, SQL, Tableau, Microsoft Power BI, SQL Server Reporting Services (SSRS), Epicor ERP, NIST 800-171, CMMC, ITAR
1mo
Save
Mark Applied
Hide
Infrastructure Engineer
Costa Mesa, California, United States
$109k-$120k/yr HybridFull Time
3+ YOEBachelor's in CS/related and 3+ years infrastructure administration; strong AWS and SQL skills; VMware, networking, AD/M365, endpoint management, scripting (PowerShell/Python/Bash), and colo/cloud migration experience.
AWS, EC2, Lambda, Aurora, RDS, DynamoDB, VPC, Transit Gateway, S3, IAM, Cost Explorer, CloudFormation, Terraform, Bedrock, VMware vSphere, VMware vCenter, NSX, Cohesity, Meraki, Palo Alto, Prisma, Active Directory, Microsoft Azure AD, Microsoft Entra ID, OneLogin, Microsoft Office 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft Intune, Mimecast, Ivanti, Atera, SolarWinds HCO, PowerShell, Python, Bash, SQL, CI/CD
2mo
Save
Mark Applied
Hide
Project Administrator
Los Angeles, California, United States
$35-$45/hr OnsiteFull Time
3+ YOEThree+ years in project administration, document control, or supporting construction management in rail or infrastructure.
MS Office, Procore, Bluebeam
5d
Save
Mark Applied
Hide
Network Infrastructure Engineer
El Segundo, California, United States
$125k-$180k/yr OnsiteFull Time
Oceanus Maritime Technologies: Building the operating platform for the modern maritime world.
3+ YOERequires 3+ years designing, implementing, and securing production networks, hands-on Linux administration, hardware provisioning, industrial deployments, physical-layer expertise, and complex infrastructure troubleshooting.
Linux, Starlink, VSAT, UniFi Network, MikroTik RouterOS, ZEDEDA, LTE, SOC 2, ISO 27001, 401(k)
1w
Save
Mark Applied
Hide
System Administrator
Los Angeles, California, United States
$60-$70/hr HybridContract
5+ YOE5+ years infrastructure/system administration experience (media/VFX preferred). Expert Windows/Mac/Linux administration, system imaging, scripting (PowerShell/Bash/Python), render farm and storage management, AWS and monitoring tools.
Windows, Mac, Linux, WDS, WSUS, SCCM, ECM, PDQ Deploy, PowerShell, Bash, Python, HP Anyware, Parsec, Splashtop, Jump Desktop, Nuke, Resolve, Cinema 4D, Houdini, Thinkbox Deadline, AWS Deadline Cloud, RenderMan, LogicMonitor, Grafana, S3, EC2, VPC, Intune, Apple Business, JAMF Pro, Cisco Prime, Arista CloudVision, Aruba Central, Ruckus SmartZone
2mo
Save
Mark Applied
Hide
IS System Administrator
Temecula, California, United States
$123k-$135k/yr OnsiteFull Time
IT systems administration; AD governance; Azure; VDI; enterprise infrastructure experience.
Active Directory, Azure, VMware Horizon, VDI, Enterprise Cloud Identity, Hypervisor
3w
Save
Mark Applied
Hide
IT Systems Administrator / AWS Infrastructure Specialist
Rancho Santa Margarita, California, United States
$45-$65/hr HybridFull Time
Experience administering AWS, Linux (Ubuntu), Windows, Kubernetes and Docker; familiarity with EC2, ALB, EKS and Alibaba Cloud; participation in SOC2/ISO 27001/FedRAMP compliance; OSCAL/documentation automation; on-call support availability.
AWS, EC2, ALB, EKS, Alibaba Cloud, Kubernetes, Docker, Ubuntu, Linux, Windows, OSCAL (Open Security Controls Assessment Language), hypervisors
1w
Save
Mark Applied
Hide
Capital Infrastructure Projects Professional
Irvine, California, United States
$137k-$150k/yr FieldFull Time
2+ YOEMaster's in Civil Engineering or related (or Bachelor's + additional experience), 2+ years relevant experience, knowledge of traffic/transportation infrastructure, construction contract administration, and project documentation.
Microsoft Excel, VBA, Microsoft Office, Procore, Bluebeam, ArcGIS, Caltrans CEM forms, Primavera P6
3mo
Save
Mark Applied
Hide
IT System Administrator
Commerce, California, United States
$55k-$59k/yr OnsiteFull Time
3+ YOE3+ years Windows server administration; associate degree or equivalent experience; strong AD, EHR, and IT infrastructure skills.
Windows Server, Active Directory, Office 365, NextGen EHR, EDR, Care Sentry, Welligent, Casewatch, antivirus, backup, monitoring
3w
Save
Mark Applied
Hide
IT System Administrator
Irvine, California, United States
$97k-$119k/hr OnsiteFull Time
7+ YOE7+ years systems administration and infrastructure experience supporting Windows Server, virtualization, cloud, networking and OT (PLCs/SCADA); Bachelor\u0002s or equivalent experience; preferred networking and security certifications.
Windows Server, Active Directory, DNS, DHCP, VMware, Hyper-V, Azure, Microsoft M365, PLCs, SCADA, HMI, TCP/IP, VLANs, Firewall, VPN
3w
Save
Mark Applied
Hide
IT System Administrator
Los Angeles or El Segundo or Hawthorne
$80k-$100k/yr OnsiteFull Time
1+ YOE1+ years system administration experience with on-prem infrastructure, Windows/Linux administration, Active Directory/Azure AD, endpoint management (Intune,GPO), networking, AV support, lifting ability, and security-first mindset.
Kubernetes (k8s), Ansible, PowerShell DSC, AWS, Azure, GCP, Grafana, Prometheus, Python, Bash, PowerShell, Siemens Teamcenter, MATLAB, Visual Studio, Active Directory, Azure AD / Entra ID, Microsoft Intune, Group Policy (GPOs), SAN
5d
Save
Mark Applied
Hide
IT Database Administrator Sr.
Irvine, California, United States
$104k-$174k/yr HybridFull Time
5+ YOERequires a related bachelor's degree and/or Microsoft SQL certifications, 5+ years of Microsoft SQL Server administration and enterprise distributed computing experience, and strong PowerShell, T-SQL, Azure, VMware, and database infrastructure skills.
Microsoft SQL Server, SQL Server 2019, Azure SQL, PowerShell, T-SQL, VMware, Microsoft Windows Server, IaaS, PaaS
2mo
Save
Mark Applied
Hide
Network Infrastructure Engineer (23587)
Rancho Cucamonga, California, United States
$118k-$170k/yr HybridFull Time
6+ YOE5-7 years in network administration/engineering; BS in CS/IT or related field or equivalent experience; TCP/IP, routing, switching, VLANs; routers/switches/firewalls; VPNs and ACLs; Python for automation; AWS/Azure; Linux; occasional overnight travel.
Palo Alto firewalls, VPN, Cisco Meraki, Cisco switching, AWS, Azure, Linux, Python
2d
Save
Mark Applied
Hide
Senior Network Administrator
Tustin or Sacramento
$42-$64/hr HybridFull Time
3+ YOEHigh school diploma or GED, bachelor's degree or equivalent experience, and 3–5 years of network infrastructure experience. CCNA Routing and Switching required; on-call, travel, and network expertise required.
Cisco, SD-WAN, ITSM, Python, Ansible, Live Action, Thousand Eyes, SolarWinds, Aruba, SNMP, TCP/IP, VLAN, NAT, QoS, DHCP, DNS, IPsec, EIGRP, OSPF, BGP, HSRP, MPLS
2mo
Save
Mark Applied
Hide
Senior System Administrator - Information Technology
Gardena, California, United States
$83k-$123k/yr OnsiteFull Time
7+ YOE7+ years IT systems experience and 5+ years healthcare experience. Strong background in routing, switching, firewall infrastructure, SD-WAN, hybrid cloud, virtualization, centralized storage, LAN administration, datacenter integration, security, and HIPAA compliance. Leadership/mentoring experience.
SD-WAN, hybrid cloud, AIDET
2w
Save
Mark Applied
Hide
IT Infrastructure Systems Architect
El Segundo, California, United States
$117k-$176k/yr OnsiteFull Time
8+ YOEBachelor's in a technology field,8+ years in IT systems administration/architecture, expertise with Windows/Linux, patch management, security-informed architecture and ability to obtain DoD Secret clearance.
Windows, Linux, VMware, Hyper-V, Xen, KVM, CNCF Kubernetes, Red Hat OpenShift, SUSE Rancher, AWS, Microsoft Azure, GCP, ITIL, Raspberry Pi
3w
Save
Mark Applied
Hide
IT Services Administrator
Brea, California, United States
$71k-$80k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent, 5+ years systems/IT infrastructure experience, experience with enterprise/ERP systems (SAP preferred), familiarity with AI productivity tools, strong security and troubleshooting skills.
SAP S/4HANA, SAP Joule, Microsoft Copilot, ChatGPT
Explore Jobs