19 senior it systems engineer jobs at 15 companies in Oak Park, CA

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Senior IT Systems Engineer
Los Angeles, California, United States
$125k-$155k/yr OnsiteFull Time
K2 Space
K2 Space: Building high-power, mass-produced satellite platforms.
7+ YOERequires 7+ years in IT systems or infrastructure, Windows Server and Linux administration, virtualization, cloud platforms, scripting, networking, identity management, ITSM, and clear technical communication.
Windows Server, Linux, Active Directory, DNS, DHCP, VMware, Hyper-V, AWS, Microsoft Azure, Google Cloud Platform (GCP), PowerShell, Bash, Python, TCP/IP, VLANs, BGP, OSPF, Jira Service Management, Terraform, OpenTofu, Ansible, LDAP, SSO, MFA
1mo
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Senior IT Systems Engineer-Studio IT
Los Angeles, California, United States
$156k-$234k/yr HybridFull Time
Sony Interactive Entertainment
Sony Interactive Entertainment: Global leader in interactive entertainment, hardware, and digital network services.
5+ YOEBachelor’s degree or equivalent; 5+ years of enterprise IT experience; strong Linux, Windows, server hardware, storage, virtualization, scripting, monitoring, and infrastructure engineering skills.
Linux, Windows, Ceph, NFS, SAN, Python, PowerShell, Active Directory, DNS, DHCP, Infoblox, Grafana, RAID
1d
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Senior Systems Engineer (IT Projects)
Los Angeles or Burbank
$90k-$110k/yr FieldFull Time
Frontline, LLC
Frontline, LLC: Private Southern California managed IT services provider serving small and midsize businesses with support, cybersecurity, cloud, and consulting.
5+ YOERequires 5+ years in systems or network engineering, including 2+ years at an MSP, project leadership, Windows Server, Active Directory, virtualization, Microsoft 365, networking, client communication, and a California driver's license.
Windows Server, Active Directory, Hyper-V, VMware, Microsoft 365, Exchange Online, Microsoft SharePoint, Microsoft Intune, Autopilot, Conditional Access, Entra ID, macOS, Fortinet, Meraki, Ubiquiti, SonicWall, VLANs, VPNs, Datto RMM, Datto BCDR, Autotask, IT Glue, Kaseya, PRTG, RingCentral, VoIP, Microsoft Azure, FileMaker, QuickBooks, Sage, Business Central, ESXi, Synology, FortiSwitch, Juniper, Starlink, Veeam, Augmentt, Datto EDR
1mo
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IT Systems Engineer-Identity & Automation
Ventura, California, United States
$78k-$142k/yr OnsiteFull Time
The Trade Desk
The Trade DeskNASDAQ: TTD: Global independent platform for programmatic digital advertising.
6+ YOE6-8+ years IT systems engineering experience; strong Entra ID/Azure, automation (Tines), REST API, PowerShell/Python/JavaScript, SAML/OIDC/OAuth/SCIM, Infoblox and Portnox experience preferred.
Entra ID, Tines, Azure, Azure App Services, Infoblox, Portnox, Intune, Jamf, NinjaOne, C1, Copilot, Claude, PowerShell, Python, JavaScript, SAML, OAuth, OIDC, SCIM, REST APIs
2mo
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IT Systems Engineer (Endpoint)
Bastrop or Hawthorne
OnsiteFull Time
SpaceX
SpaceXNasdaq: SPCX: Designing, manufacturing, and launching advanced rockets and spacecraft.
5+ YOEDesign, implement, and operate enterprise endpoint management (Jamf, Fleet, Microsoft Intune, Entra Conditional Access) across macOS/iOS and Windows; advanced scripting (PowerShell, Bash, AppleScript), Splunk integration, AI workflow experience, CIS and ITAR/EAR compliance. Bachelor's in CS/IT +5 years or 7+ years experience.
Jamf, Fleet, Microsoft Intune, Entra Conditional Access, Splunk, PowerShell, Bash, AppleScript, Microsoft Graph API, GitOps, CI-CD, Windows 11, Windows Server, macOS, iOS, large language models
2mo
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IT Systems Engineer (Endpoint)
Hawthorne or Bastrop
$135k-$170k/yr OnsiteFull Time
SpaceX
SpaceXNasdaq: SPCX: Designing, manufacturing, and launching advanced rockets and spacecraft.
5+ YOE5+ years managing Jamf, Fleet, Intune, and Entra Conditional Access (or 7+ years without a degree). Strong scripting (PowerShell, Bash, AppleScript), Splunk integration, endpoint security/compliance experience, and ability to work in ITAR-regulated environments.
Jamf, Fleet, Microsoft Intune, Entra Conditional Access, Splunk, PowerShell, Bash, AppleScript, Microsoft Graph API, Windows 11, Windows Server, macOS, iOS, GitOps, CIS benchmarks
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IT Systems Engineer IV (EA)
Lynnwood or Burbank or Elyria or Fort Walton Beach
$153k-$177k/yr OnsiteFull Time
Crane Aerospace & Electronics
Crane Aerospace & Electronics: Supplying engineered sensing, power, braking, fluid-management, microwave, and cabin systems to aviation, defense, and space customers.
10+ YOE10-12+ years in Teamcenter administration/implementation; PLM solution design; ITAR/DFARS compliance knowledge; Java/C++ proficiency; strong leadership and cross-functional collaboration.
Teamcenter, BMIDE, Java, C++, Azure DevOps, SQL, REST, SOA, PLM
2w
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Senior IT Support Engineer
Los Angeles, California, United States
$130k-$145k/yr OnsiteFull Time
JM Eagle
JM Eagle: Private American plastic pipe manufacturer serving utility, water, plumbing, irrigation, electrical, gas, drainage, and sewage customers.
5+ YOERequires 5+ years in IT support, endpoint management, or systems administration; 2+ years in a senior or escalation role; Microsoft Entra ID, Intune, PowerShell, Power Automate, ITSM, remote support, and multi-site experience.
Microsoft Entra ID, Intune, Microsoft 365, PowerShell, Power Automate, Microsoft Copilot, Power BI, SharePoint, OneDrive, Teams, Microsoft Remote Assist, Quick Assist, RDP, TeamViewer, Power Apps, Zapier, Make, n8n, Claude, Gemini, Confluence, Microsoft Windows
2w
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Senior IT Support Engineer
Los Angeles, California, United States
$130k-$145k/yr OnsiteFull Time
JM Eagle
JM Eagle: Private American plastic pipe manufacturer serving utility, water, plumbing, irrigation, electrical, gas, drainage, and sewage customers.
5+ YOERequires 5+ years in IT support, endpoint management, or systems administration; 2+ years in a senior or escalation role; Microsoft Entra ID, Intune, Microsoft 365, PowerShell, Power Automate, ITSM, and multi-site support experience.
Microsoft Entra ID, Intune, Microsoft 365, PowerShell, Power Automate, Microsoft Copilot, Power BI, ITIL, Microsoft Remote Assist, Quick Assist, RDP, TeamViewer, Power Apps, Zapier, Make, n8n, Claude, Gemini, SharePoint, OneDrive, Teams, Confluence, Microsoft Windows, Azure AD
1w
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IT Engineer
Los Angeles or Los Angeles
$104k-$130k/yr OnsiteFull Time
Apex
Apex: Private American satellite manufacturer building configurable satellite buses at scale for commercial and government customers.
5+ YOEBachelor's degree in a technical field, 5–7 years of hands-on IT engineering experience, strong systems and networking expertise, cloud and cybersecurity experience, scripting proficiency, and US citizenship required.
Microsoft Windows, macOS, iOS, Android, Linux, LAN, WAN, VLAN, Wi-Fi, VPN, Microsoft 365, Microsoft SharePoint, Microsoft Entra ID, Microsoft Intune, Jira, Confluence, Slack, Microsoft Azure, AWS, AWS GovCloud, PowerShell, Bash, Python
4d
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Sr IT Systems Administrator
Long Beach, California, United States
$63k-$74k/yr OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Global professional services providing technology and consulting services.
7+ YOEBachelor's degree in IT, computer science, engineering, or related field; 7+ years in systems administration or infrastructure support. Advanced Windows, Microsoft 365, virtualization, networking, and troubleshooting expertise required.
Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Intune, SCCM, VMware, Hyper-V, TCP/IP, ServiceNow, ITSM, CAB
4d
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Sr IT Systems Administrator
Long Beach, California, United States
$63k-$74k/yr OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Global professional services providing technology and consulting services.
7+ YOEBachelor's degree in IT, computer science, engineering, or related field; 7+ years of systems administration or infrastructure support experience. Preferred Azure, Microsoft 365, ITIL, VMware, Server+, or Network+ certifications.
Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Intune, SCCM, VMware, Hyper-V, ServiceNow, ITSM
3mo
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Senior, IT GXP Systems Specialist
El Segundo, California, United States
$55-$61/hr OnsiteFull Time
ImmunityBio
ImmunityBioNasdaq Global Select Market: IBRX: Public biotechnology developing and commercializing immunotherapies and vaccines for patients with cancer and infectious diseases.
4+ YOE4+ years in IT systems administration; 1+ year in a GxP environment; bachelor's in IT/CS/engineering or 8+ years with HS.; knowledge of 21 CFR Part 11 and CSV.
Windows, TCP/IP, DNS, DHCP, VLANs, Active Directory, 21 CFR Part 11, GxP, CSV
2mo
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IT Systems Analyst, Corporate Systems (WMS)
Commerce, California, United States
$120k-$130k/yr OnsiteFull Time
Smart & Final
Smart & Final: Grocery and food service warehouse stores for communities.
10+ YOEBS in Computer Science/Engineering, 5+ years Retail/CPG and 10+ years enterprise technology with WMS. Experience with WMS (GOLD Stock/Symphony), Oracle 19x/SQL, AIX/Linux shell scripting, version control, job schedulers (Control-M/Redwood), release/change management, and 24/7 production support.
WMS, GOLD Stock (Symphony), Oracle 19x, SQL, AIX, Linux, Shell Scripting, Version Control Tools, Control-M, Redwood (RMJ), Job Scheduling tools, Vo-Collect Devices, RF Devices, YMS, LMS, WLM, AI Tools, Application Managed Services (AMS), SDLC, SaaS, IaaS
2mo
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IT Developer, Advisor
Rosemead, California, United States
$129k-$194k/yr HybridFull Time
Southern California Edison
Southern California Edison: Electric utility serving Southern, Central, and Coastal California.
7+ YOESeven+ years IT development experience with SDLC; strong knowledge of Agile/DevOps; experience with analytics and automation tools; programming in Python, SQL, or Visual Basic; system implementations and troubleshooting.
Microsoft Power BI, SQL, Power Apps, Power Automate, Microsoft SharePoint, Python, Visual Basic
2mo
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Senior IT Software Engineer
San Francisco or Los Angeles
$104k-$139k/yr HybridFull Time
State Bar of California
State Bar of California: Judicial-branch regulatory agency that licenses and disciplines California attorneys while protecting the public.
3+ YOE3+ years IT experience; bachelor’s degree or equivalent; strong Microsoft-stack development (C#, .NET, ASP.NET MVC), SQL Server, modern JavaScript (Angular/React), Azure integrations, GitHub Actions/CI-CD, and experience modernizing legacy systems.
C#, .NET (Core and Framework), ASP.NET MVC, Web APIs, SQL Server, Angular, React, Azure Functions, Logic Apps, Event Grid, REST APIs, GitHub Actions, Tyler Odyssey
4d
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IT Manager
Los Angeles or New York City
$85k-$100k/yr OnsiteFull Time
Ghost
Ghost: Private B2B inventory distribution platform helping brands sell surplus goods to vetted retailers and buyers.
5+ YOERequires 5+ years in IT support, systems administration, or network engineering; expertise in Windows, macOS, Google Workspace, Active Directory, Group Policy, Office 365, networking, cloud platforms, ITSM, budgets, and vendors.
Windows, macOS, Google Workspace, Active Directory, Group Policy, Office 365, TCP/IP, DNS, DHCP, VLANs, VPNs, AWS, Azure, Google Cloud, ServiceNow, Jira, Zendesk, PowerShell, Python
5d
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Director, IT Infrastructure
Long Beach or Auckland
$175k-$233k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: End-to-end space delivering launch services and spacecraft.
12+ YOERequires 12+ years in IT infrastructure, global IT leadership, high-tech, engineering, or manufacturing experience, and a bachelor's degree in computer science, information systems, or a related field. US citizenship required for US roles.
O365, DevOps, Cloud, AWS, Azure, Windows, Linux, VMware, iSeries, Networking, SAN, Switches, Firewall, WiFi, Access Points
2mo
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A/V Design, Quality Assurance, and Support Lead
Costa Mesa or Los Angeles or Atlanta or North America or Europe or Asia
$73k-$132k/yr HybridFull Time
Acuity Brands
Acuity BrandsNYSE: AYI: Industrial technology providing lighting, controls, and building systems.
5+ YOEBA/BS in technical/engineering field or equivalent experience; 5+ years in facilities or contracting; 3+ years with building management systems; 1+ year installing AV; familiarity with Distech Controls, Niagara, EC-Net 4, Q-SYS, AutoCAD, CMMS, Microsoft Office; strong verbal and writing skills.
Distech Controls, Niagara Framework, EC-Net 4, Q-SYS, AutoCAD, CMMS, Microsoft Office