16 Results for Systems Security Manager Jobs in Ontario, CA

Add your latest resume to match with open positions.

Systems Administrator

Los Angeles, CA
onsite
Permanent / Full Time
125000 - 145000 USD / Yearly
Systems Administrator OverviewA growing organization is seeking a Systems Administrator to support enterprise cloud platforms, end-user technologies, identity management, and core infrastructure services. This individual will play a key role in maintaining secure, scalable, and reliable technology operations while supporting ongoing modernization and automation initiatives. The ideal candidate combines strong systems administration experience with a proactive approach to process improvement, platform management, and end-user support. Responsibilities<ul><li>Administer and support enterprise productivity, collaboration, and cloud platforms</li><li>Manage identity, access, authentication, and user lifecycle processes</li><li>Support endpoint management, device administration, and security initiatives</li><li>Maintain backup, recovery, and business continuity processes</li><li>Assist with integration and administration of enterprise applications and SaaS platforms</li><li>Develop and maintain automation solutions to improve operational efficiency</li><li>Monitor platform health, system performance, and operational reliability</li><li>Troubleshoot and resolve complex infrastructure and application issues</li><li>Maintain technical documentation, standards, and operational procedures</li><li>Partner with internal stakeholders to support technology initiatives and business operations</li></ul>
2026-10-21T00:00:00Z

Systems Administrator

Beverly Hills, CA
onsite
Temporary / Contract
45.9135 - 53.163 USD / Hourly
We are seeking a Systems Administrator to support Microsoft 365, endpoint management, workstation deployments, and end-user support in a modern Microsoft cloud environment. This role will be responsible for managing Microsoft Entra ID, Intune, Windows devices, user access, security policies, and device lifecycle activities while delivering excellent customer service to end users. Responsibilities<ul><li>Administer and support Microsoft Entra ID, Microsoft Intune, and Microsoft 365 environments.</li><li>Manage user accounts, groups, permissions, licensing, devices, and access controls.</li><li>Deploy, configure, and support Windows 11 laptops and workstations.</li><li>Migrate devices to Entra ID Join and enroll endpoints into Intune.</li><li>Configure and maintain Intune policies, application deployments, device compliance, and endpoint security controls.</li><li>Support Windows Autopilot, Conditional Access, BitLocker, Windows Hello for Business, and Microsoft Defender for Endpoint.</li><li>Provide Tier II/Tier III support for workstation, authentication, Microsoft 365, hardware, software, and mobile device issues.</li><li>Support BYOD, MDM/MAM, and mobile device administration for iOS and Android devices.</li><li>Assist with Active Directory, file shares, printers, and general infrastructure administration.</li><li>Create and maintain technical documentation, deployment procedures, and support knowledge articles.</li><li>Participate in IT infrastructure, security, and cloud transformation projects.</li><li>Provide white-glove support to employees and leadership during device deployments and migrations.</li></ul>
2026-10-28T00:00:00Z

Systems Administrator

Los Angeles, CA
onsite
Permanent / Full Time
110000 - 140000 USD / Yearly
Systems Administrator OverviewEstablished organization is seeking a Systems Administrator to support critical operational technology environments. This position is responsible for maintaining automation platforms, supporting system integrations, and improving the reliability and performance of business-critical operational systems. Key Responsibilities<ul><li>Administer, maintain, and enhance industrial automation and operational technology platforms.</li><li>Support system integrations between field devices, applications, databases, and reporting tools.</li><li>Configure, troubleshoot, and optimize control systems, instrumentation, and monitoring environments.</li><li>Develop reports, dashboards, and data solutions to support operational decision-making.</li><li>Assist with implementation, testing, upgrades, and maintenance of automation and control system technologies.</li><li>Partner with business stakeholders, vendors, and technical teams to deliver technology initiatives.</li><li>Maintain documentation, technical procedures, system configurations, and support materials.</li><li>Participate in project planning, vendor coordination, and ongoing operational improvements.</li></ul>
2026-10-28T00:00:00Z

Security Architect

Los Angeles, CA
onsite
Permanent / Full Time
180000 - 230000 USD / Yearly
Security Architect Company OverviewA growing organization is seeking a Security Architect to support enterprise security initiatives across infrastructure, applications, cloud services, and business systems. This role offers an opportunity to work within a collaborative technology environment focused on modernizing security practices and enabling business growth through secure technology solutions. Role SummaryThe Security Architect will play a key role in shaping and advancing the organization's security program. This individual will work closely with technology and business stakeholders to establish security standards, provide architectural guidance, assess risk, and support the secure adoption of new technologies. The ideal candidate combines strategic thinking with hands-on technical expertise and enjoys solving complex security challenges across a diverse technology environment. Key Responsibilities<ul><li>Develop and maintain security architecture standards, guidelines, and best practices.</li><li>Partner with technology teams to integrate security considerations into projects and operational initiatives.</li><li>Evaluate systems, platforms, and technology solutions to identify and address security risks.</li><li>Provide architectural guidance for cloud, infrastructure, application, and data protection initiatives.</li><li>Support the development of security roadmaps aligned with business and technology objectives.</li><li>Conduct architecture reviews and recommend security improvements across enterprise environments.</li><li>Assist in establishing governance processes, security controls, and risk management practices.</li><li>Collaborate with stakeholders to improve cybersecurity maturity and operational effectiveness.</li><li>Support the evaluation and adoption of emerging technologies and security solutions.</li><li>Contribute to continuous improvement initiatives that strengthen the organization's overall security posture.</li></ul>
2026-10-23T00:00:00Z

Security Engineer

Los Angeles, CA
remote
Permanent / Full Time
130000 - 140000 USD / Yearly
Security Engineer OverviewA leading global professional services organization is seeking a Security Engineer with Third-Party Risk experience. The Security Engineer plays a critical role in safeguarding the organization’s ecosystem by evaluating the security posture of external vendors and partners. This role focuses on conducting technical risk assessments across SaaS platforms, cloud environments, and hosted services while ensuring compliance with industry standards and client expectations. Based remotely, this position partners closely with IT security leadership and cross-functional stakeholders to mitigate risk and strengthen third-party security practices. Key Responsibilities<ul><li>Conduct technical security assessments of third-party vendors across SaaS platforms, cloud infrastructure, and hosted services</li><li>Evaluate vendor security controls, including access management, encryption, and data protection practices</li><li>Review vendor documentation such as SOC 2 reports, ISO certifications, and security testing results</li><li>Assess cloud environments (AWS, Azure, GCP) for security configurations, segmentation, and identity controls</li><li>Analyze API security, including authentication methods, data transmission, and vulnerability risks</li><li>Evaluate DevSecOps maturity, including secure development practices and CI/CD pipeline security</li><li>Track and manage vendor risk findings, ensuring remediation efforts are completed in a timely manner</li><li>Support client-facing security activities, including questionnaires, audits, and compliance reviews</li><li>Collaborate with internal stakeholders to align vendor security with regulatory requirements (e.g., GDPR, CCPA)</li><li>Prepare risk reports and present key findings to leadership and cross-functional teams</li></ul>Additional Details<ul><li>Remote (must reside in proximity to a supported office region)</li><li>Core hours: 8:00 AM – 4:00 PM PT (7-hour workday)</li><li>Occasional travel may be required for vendor assessments</li><li>Collaborative environment with direct exposure to senior leadership and security stakeholders</li></ul>
2026-10-28T00:00:00Z

Systems Engineer

Newport Beach, CA
onsite
Permanent / Full Time
100000 - 120000 USD / Yearly
We are looking for a Systems Engineer to support and strengthen the technology environment for a dynamic school community in Newport Beach, California. This role focuses on keeping core infrastructure stable, secure, and well maintained while also delivering responsive technical support for users and classrooms. The ideal candidate brings strong hands-on networking experience, a service-oriented mindset, and the ability to manage both daily operations and longer-term improvement initiatives. Responsibilities: • Oversee the performance and upkeep of wired and wireless infrastructure by deploying, configuring, validating, and documenting network equipment in alignment with established technical designs. • Support daily network operations to promote dependable connectivity and minimize service interruptions across campus systems. • Review system activity, alerts, and performance data to identify issues early and maintain overall network health. • Administer access controls, security configurations, and user account setup across systems to protect resources and ensure appropriate permissions. • Use security and vulnerability management tools to evaluate risk, monitor exposure, and help maintain a secure technology environment. • Execute infrastructure and systems projects involving hardware installation, software deployment, testing, and integration while coordinating work to avoid disruption to existing services. • Maintain clear technical records covering system setups, network layouts, and troubleshooting procedures in collaboration with technology leadership. • Provide hands-on support to faculty, staff, and students for technology-related needs, including event support, help desk requests, and resolution of hardware or software issues. • Partner with the broader Technology Team on data stewardship, continuous improvements, and other assigned initiatives that enhance school operations. • Assist with desktop, printer, and mobile device support across Windows, Mac, iOS, and Android environments as needed.
2026-10-22T00:00:00Z

Systems Engineer

Los Angeles, CA
onsite
Permanent / Full Time
130000 - 150000 USD / Yearly
Systems Engineer OverviewAn organization is seeking a Systems Engineer to support enterprise cloud technologies, business applications, automation initiatives, and IT infrastructure operations. This individual will help improve system reliability, streamline operational processes, and support ongoing technology modernization efforts across the organization. Responsibilities<ul><li>Administer and support enterprise cloud and collaboration platforms</li><li>Develop and maintain automation solutions to improve operational efficiency</li><li>Support identity and access management initiatives</li><li>Manage endpoint technologies and related platform services</li><li>Assist with system integrations and application support efforts</li><li>Monitor platform performance, availability, and operational health</li><li>Troubleshoot infrastructure, cloud, and application-related issues</li><li>Create and maintain technical documentation and operational procedures</li><li>Collaborate with technical teams and business stakeholders on technology initiatives</li><li>Identify opportunities for process improvement, automation, and operational excellence</li></ul>
2026-10-16T00:00:00Z

Systems Engineer

Signal Hill, CA
onsite
Temporary / Contract
35.625 - 41.25 USD / Hourly
We are looking for a Systems Engineer to support and enhance core infrastructure operations for a restaurant and catering organization in Signal Hill, California. This Long-term Contract position focuses on maintaining reliable server, identity, messaging, and remote access environments while helping teams resolve complex technical issues. The role is well suited for someone who is comfortable working across Microsoft-based systems and delivering stable, secure platform support in a fast-paced business setting. Responsibilities: • Administer and support Active Directory and Azure Active Directory environments, including user access, group policies, and directory health. • Maintain Microsoft Windows Server infrastructure to ensure strong performance, availability, and security across business systems. • Provide ongoing support for Citrix technologies, resolving access issues and improving the end-user experience for remote and on-site teams. • Manage Microsoft Exchange operations, including mailbox administration, service reliability, and issue resolution. • Monitor system performance, troubleshoot infrastructure problems, and implement corrective actions to minimize downtime. • Partner with internal technology teams to apply updates, strengthen security controls, and maintain system documentation. • Assist with infrastructure-related projects and operational improvements as needed, including work tied to platform or environment changes. • Deliver technical support and root-cause analysis for escalated server, directory, and messaging incidents.
2026-10-28T00:00:00Z

Sr Cybersecurity Engineer

Long Beach, CA
onsite
Temporary / Contract
75 - 85 USD / Hourly
Our client is seeking a Senior Cybersecurity Engineer to lead security engineering, architecture, and operational security initiatives across enterprise systems, cloud platforms, and critical infrastructure environments. This role combines hands-on technical expertise with strategic security leadership. What You'll Be Doing<ul><li>Assess and improve the organization's overall cybersecurity posture</li><li>Lead vulnerability management, remediation efforts, and security risk assessments</li><li>Design and implement enterprise security architectures and controls</li><li>Manage and optimize security technologies including SIEM, SOAR, XDR, EDR, IAM, and DLP</li><li>Drive incident response, threat hunting, and security monitoring activities</li><li>Develop and maintain cybersecurity policies, standards, and governance frameworks</li><li>Secure cloud, network, server, endpoint, and hybrid environments</li><li>Partner with infrastructure, engineering, and business teams to embed security into projects</li><li>Conduct security reviews, penetration test coordination, and compliance assessments</li><li>Lead security modernization and remediation initiatives</li><li>Provide guidance to leadership on emerging threats and risk mitigation strategies</li><li>Mentor security engineers and serve as a cybersecurity subject matter expert</li></ul>
2026-10-24T00:00:00Z

Data Loss Prevention Security Administrator

Los Angeles, CA
remote
Permanent / Full Time
150000 - 165000 USD / Yearly
Job TitleData Loss Prevention (DLP) Engineer Company OverviewA globally recognized professional services organization based in Los Angeles, California, with offices across major U.S. cities, is committed to delivering high-impact services in a highly regulated, client-centric environment. The organization prioritizes data protection, security, and compliance, leveraging advanced technology to safeguard sensitive information across a complex, distributed enterprise. Their technology teams play a critical role in maintaining trust, confidentiality, and operational excellence. Role SummaryThe DLP Engineer will serve as the dedicated owner of the enterprise Data Loss Prevention program, supporting a distributed workforce anchored in Los Angeles, California. This role is responsible for designing, implementing, and optimizing DLP strategies to protect sensitive data across endpoint, network, email, and cloud environments. The position is highly collaborative, working closely with IT, security teams, and business stakeholders to ensure secure data handling and regulatory compliance. Key Responsibilities<ul><li>Design, implement, and manage enterprise DLP solutions across endpoint, network, email, and cloud platforms</li><li>Develop, tune, and maintain DLP policies, rules, and classifiers to detect and prevent data loss</li><li>Monitor DLP alerts, investigate potential data incidents, and support incident response processes</li><li>Partner with cross-functional teams to align DLP controls with business requirements and data protection policies</li><li>Integrate DLP systems with security tools such as SIEM and endpoint detection platforms</li><li>Support data classification initiatives and enforce secure data handling standards</li><li>Optimize DLP performance by reducing false positives and improving detection accuracy</li><li>Manage DLP coverage for collaboration and cloud tools including productivity and file-sharing platforms</li><li>Produce reports and metrics on DLP activity, risks, and program effectiveness</li><li>Collaborate with stakeholders on compliance requirements, audits, and data privacy initiatives</li></ul>Compensation & Benefits<ul><li>$150,000–$160,000 + discretionary bonus</li><li>Comprehensive medical, dental, and vision coverage</li><li>401(k) with employer contributions and profit-sharing plan</li><li>Paid vacation, sick time, and personal days</li><li>Competitive benefits package supporting overall well-being</li></ul>Additional Details<ul><li>Remote work environment aligned to core collaboration hours</li><li>Must be located near a major company office for occasional in-person needs: Atlanta, Austin, Boston, Chicago, Dallas, Houston, Los Angeles (HQ in DTLA), Miami, New York, Salt Lake City, San Francisco, Seattle, Silicon Valley, Washington D.C., Wilmington</li><li>Structured schedule aligned with standard business hours</li><li>High-impact role within a centralized information security team</li></ul>
2026-10-28T00:00:00Z

Security Analyst

Los Angeles, MA
remote
Permanent / Full Time
110000 - 120000 USD / Yearly
Security Analyst Company Overview A manufacturing organization is seeking a Security Analyst to help protect its technology environment and strengthen cybersecurity operations. This role offers broad exposure to security monitoring, incident response, risk reduction, and security improvement initiatives. Role Summary The Security Analyst will monitor and respond to security threats while helping maintain and improve enterprise security controls. The ideal candidate is hands-on, analytical, and comfortable working across security operations, vulnerability management, and incident response. Key Responsibilities<ul><li>Monitor and investigate security alerts and suspicious activity.</li><li>Support incident response, investigation, and remediation efforts.</li><li>Maintain and improve security monitoring and protection technologies.</li><li>Identify vulnerabilities and coordinate remediation activities.</li><li>Support data protection, identity, endpoint, and cloud security initiatives.</li><li>Analyze security trends and recommend improvements to controls and processes.</li><li>Collaborate with technology teams on security and risk-reduction initiatives.</li></ul>Additional Details<ul><li>Work model: Primarily remote</li><li>Occasional travel may be required</li><li>Full-time position</li></ul>
2026-10-28T00:00:00Z

Senior Cloud Security Engineer

Los Angeles, CA
onsite
Permanent / Full Time
155000 - 180000 USD / Yearly
Cloud Security Engineer Company OverviewA firm based in Los Angeles, California is seeking a Cloud Security Engineer to strengthen its cybersecurity program across cloud, data, endpoint, identity, and enterprise environments. This is an opportunity to join a collaborative technology organization where security, risk management, and operational excellence are critical to the business. Role SummaryThis role has a particular emphasis on Microsoft Azure security and will partner closely with data engineering and technology teams to secure modern cloud-based data environments. The ideal candidate combines strong cloud security architecture and engineering expertise with practical experience across security operations, incident response, vulnerability management, data protection, and risk management. Key Responsibilities<ul><li>Serve as a security engineering resource across cloud environments, identity and access management, network security, data protection, and overall security architecture.</li><li>Partner with technology teams to implement and maintain secure solutions for enterprise applications, data platforms, and infrastructure.</li><li>Review system and application security configurations, architecture, and integrations before production deployment.</li><li>Monitor, investigate, and respond to cybersecurity incidents across enterprise systems and platforms.</li><li>Lead vulnerability management activities, including risk identification, remediation coordination, patching, and ongoing security improvements.</li><li>Support identity and access management initiatives, including authentication, authorization, and privileged access controls.</li><li>Enhance security monitoring, detection, alerting, and incident response capabilities.</li><li>Help automate and standardize security controls and operational processes.</li><li>Conduct security assessments and collaborate with internal and external stakeholders to identify and reduce risk.</li><li>Support governance, risk, compliance, audit, resiliency, and business continuity initiatives.</li></ul>
2026-10-23T00:00:00Z

System Support Specialist

Signal Hill, CA
onsite
Temporary / Contract
47 - 60 USD / Hourly
We are supporting a hospitality organization supporting 26 restaurant locations across multiple brands. Our client is seeking a hands-on Store/Restaurant Systems Support Engineer to provide Level 2/3 technical support for restaurant technology, POS systems, payment devices, networking equipment, and store operations technology. This role is ideal for someone who enjoys troubleshooting complex issues, working directly with hardware, supporting multiple locations, and occasionally traveling onsite when hands-on support is needed. What You'll Do<ul><li>Provide Level 2/3 support for POS systems, payment terminals, kitchen display systems (KDS), printers, and restaurant technology</li><li>Troubleshoot networking issues involving routers, switches, wireless access points, and connectivity</li><li>Support restaurant managers and staff with escalated technical issues across multiple locations</li><li>Travel periodically to restaurant locations for installations, maintenance, upgrades, and repairs</li><li>Assist with new store openings, technology rollouts, and hardware deployments</li><li>Coordinate with third-party vendors for escalated support and warranty repairs</li><li>Maintain documentation, ticketing updates, and root cause analysis</li><li>Provide occasional desktop support for corporate users, including Windows, Microsoft 365, Google Workspace, hardware setup, and onboarding activities</li></ul>
2026-10-24T00:00:00Z

IT Manager

Los Angeles, CA
onsite
Permanent / Full Time
145000 - 150000 USD / Yearly
IT Manager OverviewGrowing organization is seeking an experienced IT Manager to lead infrastructure operations, security initiatives, and enterprise technology platforms. This is a hands-on leadership role responsible for maintaining secure and reliable IT systems while supporting business operations and technology modernization efforts. Key Responsibilities<ul><li>Lead day-to-day infrastructure, systems administration, and cybersecurity operations.</li><li>Manage Microsoft cloud services, identity platforms, collaboration tools, and hybrid environments.</li><li>Oversee network, server, storage, virtualization, backup, and disaster recovery solutions.</li><li>Support cybersecurity programs, risk management initiatives, audits, and regulatory compliance efforts.</li><li>Coordinate technology projects, system upgrades, and continuous improvement activities.</li><li>Provide technical leadership, mentorship, and escalation support for the IT team.</li><li>Maintain documentation, policies, procedures, and operational best practices.</li></ul>
2026-10-28T00:00:00Z

IT Manager

Laguna Hills, CA
onsite
Temporary / Contract
60 - 65 USD / Hourly
We are seeking an IT Manager who will serve as the primary technology leader and day-to-day administrator for the organization's IT systems. This individual will manage Microsoft cloud technologies, end-user support, cybersecurity, infrastructure, and vendor relationships while ensuring reliable technology services for office and field-based employees.This is a highly visible role that requires strong technical skills, excellent customer service, and the ability to thrive in a fast-paced environment supporting users with varying levels of technical proficiency. Key Responsibilities<ul><li>Administer and support Microsoft 365, including Exchange Online, Teams, SharePoint, and related services</li><li>Manage Microsoft Entra ID (Azure AD), identity management, authentication, and access controls</li><li>Support Windows endpoints, laptops, mobile devices, and company hardware</li><li>Provide responsive technical support to office and field personnel</li><li>Manage onboarding, offboarding, user provisioning, and permissions</li><li>Maintain cybersecurity controls, patch management, endpoint protection, and security best practices</li><li>Administer network infrastructure, wireless systems, and connectivity solutions</li><li>Manage IT vendors, service providers, and technology-related contracts</li><li>Track and maintain hardware, software licensing, and IT asset inventory</li><li>Lead initiatives to improve system reliability, security, and operational efficiency</li><li>Create and maintain IT documentation, standards, and procedures</li></ul>
2026-10-30T00:00:00Z

AV Systems Administrator

Los Angeles, CA
onsite
Permanent / Full Time
121000 - 145000 USD / Yearly
Systems Administrator Company OverviewA growing manufacturing organization is seeking a Systems Administrator with AV experience to support enterprise collaboration, live events, and IT operations. Role SummaryThis role combines systems administration, scripting, IT automation, and live AV production. The ideal candidate has experience running executive and company-wide events while also being comfortable troubleshooting complex IT issues, developing automation, and partnering with infrastructure and security teams. Key Responsibilities<ul><li>Support and maintain enterprise audiovisual, conferencing, and collaboration technologies.</li><li>Provide hands-on technical support for meetings, presentations, live events, and shared meeting spaces.</li><li>Configure, troubleshoot, and improve conference room and audiovisual systems.</li><li>Develop scripts, integrations, and automation to streamline IT operations and support processes.</li><li>Support IT service management workflows and resolve escalated technical issues.</li><li>Document solutions, identify recurring issues, and implement long-term improvements.</li><li>Collaborate with infrastructure, security, and other technology teams on projects and operational initiatives.</li></ul>Additional Details<ul><li>Work model: On-site, five days per week</li><li>Occasional travel required</li><li>Hands-on role supporting both AV and corporate IT environments</li><li>Candidates must meet applicable U.S. employment and regulatory requirements</li></ul>
2026-10-23T00:00:00Z

16 results for Systems Security Manager in Ontario, CA