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15 results for Senior Systems Administrator in Oxnard, CA

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We are looking for an experienced Systems Administrator to join our team in West Hollywood, California. This role is ideal for someone who thrives in dynamic environments and enjoys solving complex technical challenges. You will work across diverse systems and platforms, ensuring seamless functionality and delivering exceptional IT solutions to clients.

Responsibilities:

• Configure, maintain, and troubleshoot Mac OS and Windows systems to ensure optimal performance.

• Manage Active Directory environments, including user accounts, permissions, and group policies.

• Implement and maintain LAN infrastructure, ensuring reliable connectivity and data flow.

• Configure and monitor Cisco routers and firewalls, including Palo Alto Firewall systems.

• Oversee firewall configurations to safeguard network security and prevent unauthorized access.

• Provide technical support for Microsoft Office 365, addressing user issues and system updates.

• Monitor and resolve network and system-related issues promptly to minimize downtime.

• Collaborate with clients and team members to deliver tailored IT solutions that meet specific needs.

For immediate consideration, direct message Reid Gormly on LinkedIN and Apply Now!

• Minimum of 3 years of experience working as a Systems Administrator or in a similar role.

• Proficiency in Mac OS and Microsoft Windows operating systems.

• Hands-on experience with Active Directory management and LAN configurations.

• Working knowledge of Cisco routers, firewalls, and related technologies.

• Familiarity with Palo Alto Firewall systems and advanced firewall configurations.

• Expertise in Microsoft Office 365 administration and support.

Technology Doesn't Change the World, People Do.® Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more. Robert Half will consider for employment qualified applicants with arrest or conviction records in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use.

15 results for Senior Systems Administrator in Oxnard, CA

Systems Administrator We are looking for an experienced Systems Administrator to join our team in West Hollywood, California. This role is ideal for someone who thrives in dynamic environments and enjoys solving complex technical challenges. You will work across diverse systems and platforms, ensuring seamless functionality and delivering exceptional IT solutions to clients. Responsibilities:• Configure, maintain, and troubleshoot Mac OS and Windows systems to ensure optimal performance.• Manage Active Directory environments, including user accounts, permissions, and group policies.• Implement and maintain LAN infrastructure, ensuring reliable connectivity and data flow.• Configure and monitor Cisco routers and firewalls, including Palo Alto Firewall systems.• Oversee firewall configurations to safeguard network security and prevent unauthorized access.• Provide technical support for Microsoft Office 365, addressing user issues and system updates.• Monitor and resolve network and system-related issues promptly to minimize downtime.• Collaborate with clients and team members to deliver tailored IT solutions that meet specific needs. For immediate consideration, direct message Reid Gormly on LinkedIN and Apply Now!

Systems Administrator We are offering a long term contract employment opportunity for a Systems Administrator in Beverly Hills, California. As a Systems Administrator, you will be instrumental in utilizing a variety of technologies including Cisco, Citrix, Cloud, Dell, and Firewall technologies. Your main responsibility will be to build and oversee automation processes from the ground up, while also maintaining a strong familiarity with Microsoft Power Automate. Responsibilities: • Develop and manage automation processes from scratch • Utilize Microsoft Power Automate for various tasks and procedures • Leverage Cisco, Citrix, Cloud and Dell technologies in everyday tasks • Handle Firewall technologies to maintain and secure our systems • Use AB Testing and Cluster Analysis to improve system performance • Manage Active Directory services • Maintain and troubleshoot computer hardware as necessary • Implement and maintain Backup Technologies • Develop and manage automation scripts, solutions, and workflows • Oversee the automation management of our systems.

Systems Administrator We are offering a long term contract employment opportunity for a Systems Administrator in Beverly Hills, California. As a Systems Administrator, your key role will be to develop, manage, and ensure optimal function of our computing systems infrastructure, including Cisco Technologies, Citrix Technologies, Cloud Technologies, Dell Technologies, and Firewall Technologies. Responsibilities: • Develop and implement solutions for automation management using Microsoft Power Automate. • Manage and maintain the company’s computer systems, including the Active Directory and Backup Technologies. • Build automation workflows from scratch to optimize processes. • Monitor and maintain network and system security, including Firewall Technologies. • Manage the setup and configuration of systems using Cisco Technologies and Dell Technologies. • Ensure optimal application performance through regular system tests and updates, including AB Testing and Cluster Analysis. • Manage cloud-based resources and services, optimizing the use of Cloud Technologies. • Provide technical support and guidance on issues related to system management and configuration. • Ensure accurate documentation of all relevant system processes and procedures. • Stay up-to-date with the latest hardware and software technologies, including Computer Hardware and Automation Scripts.

Network / Systems Administrator *Email and message Valerie Nielsen on LinkedIn for immediate response* Network/System AdministratorLocation: Onsite – Carson, CA Compensation: $80,000 – $100,000 base (some flexibility depending on experience) Experience: 5+ years in IT (networking and systems) We’re looking for an experienced Network/System Administrator to join our team onsite in Carson. This hybrid role is approximately 70% networking / 30% systems, ideal for someone who thrives in a hands-on IT environment and enjoys both infrastructure and systems support. Key Responsibilities:<ul><li>Manage, monitor, and maintain network infrastructure (switches, routers, firewalls)</li><li>Administer and support systems such as Office 365, Active Directory, DNS, and DHCP</li><li>Maintain and troubleshoot virtualization environments (Hyper-V) and backups (Veeam)</li><li>Provide escalated technical support and proactively resolve issues</li><li>Ensure network and system reliability, performance, and security</li></ul>

Systems Engineer Location: Hybrid - Glendale, CA (Onsite 2 days or less per week)Pay Range: $87-$93 per hour with benefits Position OverviewWe are offering an exciting contract opportunity for a Senior Systems Engineer based in Glendale, CA, who will contribute to the development of innovative systems and platforms that support extraordinary experiences at our theme parks and resorts. In this role, you’ll be instrumental in automating, building, and monitoring vital systems at scale while ensuring the delivery of reliable and efficient software solutions.This position is suited for an experienced and motivated engineer with expertise in Linux systems, software development, CI/CD workflows, cloud hosting, and DevOps culture. If you thrive in a fast-paced, collaborative environment focused on operational excellence and cutting-edge digital experiences, we encourage you to apply.Key Responsibilities:Design (30%)<ul><li>Lead project and architectural planning efforts.</li><li>Collaborate with cross-functional teams to generate innovative systems solutions.</li><li>Document and integrate system architecture.</li></ul>Build (30%)<ul><li>Implement and integrate scalable systems and tools.</li><li>Configure platforms and ensure infrastructure stability, scalability, and resilience.</li></ul>Run (30%)<ul><li>Provide Level 2 application and systems support.</li><li>Manage incident resolution, maintain service standards, and enhance operational reliability.</li></ul>

Systems Engineer Robert Half is seeking an IT System Engineer for a client located in Torrance, CA. You will be working with Global IT Infrastructure Network and Hosting engineers and will be responsible for deploying, configuring, managing, and monitoring of IT on-premises and cloud infrastructure including disaster recovery planning and security compliance. Assist in escalated incidents, problems, request management and project implementation

Senior Project Manager IT We are looking for an experienced Senior IT Project Manager to lead and oversee complex projects. This position requires a strong ability to manage cross-functional teams, coordinate resources, and ensure project milestones are achieved within scope, budget, and timeline. Long term contract role. The candidate must be available to work onsite for at least four days a week. Responsibilities:• Develop comprehensive project plans, assign tasks to team members, and monitor daily progress to ensure alignment with objectives.• Track and evaluate key project milestones, adjusting plans and resources as necessary to meet deadlines.• Facilitate clear communication across enterprise teams, managing scope, budget, risks, and resources effectively.• Lead one or more cross-functional projects of high complexity using Agile or Waterfall methodologies.• Gain a high-level understanding of business domains to align project deliverables with organizational goals.• Oversee medium to large-scale projects, ensuring proper cost analysis, issue resolution, and schedule management.• Conduct risk assessments, develop mitigation strategies, and implement plans to address potential challenges.• Provide regular status reports to stakeholders, highlighting progress, key decisions, and any concerns.• Collaborate with technical and architectural teams to ensure project solutions are effective and scalable.• Ensure high-quality outcomes by performing thorough reviews and addressing any deviations promptly.

Administrator We are seeking a highly organized and detail-oriented Administrative Coordinator to support daily operations at our South Gate, CA office. This fully on-site role is essential in keeping projects on track, managing internal documentation, coordinating team communication, and supporting key operational initiatives. If you’re a proactive problem-solver who enjoys staying ahead of the details, we’d love to hear from yo Job Title: Administrative Coordinator Location: South Gate, CA Employment Type: Full-Time | On-Site Key Responsibilities:<ul><li>Provide administrative support through document preparation, data entry, and recordkeeping</li><li>Coordinate internal requests and assist with gathering and organizing information</li><li>Maintain and update internal databases, logs, and department files</li><li>Prepare and distribute reports, presentations, and routine communications</li><li>Participate in meetings, take notes, and track project milestones and action items</li><li>Support cross-functional collaboration and help implement workflow improvements</li><li>Generate summaries and reports to support tracking and accountability across departments</li></ul>

HR Manager Robert Half is currently working with one of our clients local to the Woodland Hills, CA area seeking an experienced and result-driven HR Manager. The ideal candidate will have proven experience in the HR field, and will align our HR initiatives and functions with our business objectives and needs. The HR Manager will be responsible for developing HR strategies and providing sound advice to senior management on all related subjects. You must be an experienced professional with deep knowledge of all matters concerning HR departments. For more information on how to apply, please call our local office at 818-703-8818. Responsibilities:· Develop corporate plans for a variety of HR matters such as compensation, benefits, health and safety, etc. · Act as the point of contact for employment relations and communicate with labor unions. · Monitor adherence to internal policies and legal standards. · Deal with grievances and violations invoking disciplinary action when required. · Anticipate and resolve litigation risks. 6) Report to senior management by analyzing data and using HR metrics.

Controller **Westside Media company seeking a Controller** Please email resume to Eric Herndon for confidential consideration We are in search of a Controller to join our team in the digital media and production industry, located in Los Angeles, California. In this role, you will be expected to handle a variety of tasks, including the management of accounts receivable and payable, the preparation of financial statements, and the development of financial strategies to support business growth. Responsibilities: • Oversee the accounts receivable and payable, ensuring all invoices are sent, followed up on, and paid in a timely manner.• Handle the company's cash flow, including transferring money between bank accounts and making necessary payments.• Take responsibility for all bookkeeping tasks, closing the books each month, and preparing and presenting financial statements to senior management.• Contribute to the management of the company's budget, working with various departments to prepare annual budgets and revenue goals, and updating these throughout the year to accurately reflect revenue and profit.• Assist in the development of corporate strategy by preparing information packets and making informed recommendations.• Collaborate with the Chief Operating Officer to prepare financial models for the company and its clients.• Oversee payroll and benefits administration, and assist with other administrative and human resource matters.• Coordinate with external accountants to ensure timely payment of taxes and submission of returns.• Conduct strategic reviews of the company's Profit & Loss statement to inform business decisions about staffing, resource management, and expenses.

IT Director Key Responsibilities:• Lead and manage a team of 6 IT professionals, supporting over 1400 employees and 400+ mobile devices across multiple offices.• Manage day-to-day IT operations, ensuring smooth and efficient system performance.• Oversee the implementation, maintenance, and support of key systems including Azure Entra AD, O365 suite, CommVault for backup and disaster recovery, and Azure Cloud infrastructure.• Coordinate and manage vendor relationships, leveraging Managed Service Providers (MSPs) for server monitoring and support.• Travel 50% of the time (domestic, with occasional overnight stays) to various office locations for on-site support and project management. Qualifications:• 7+ years of hands-on management experience in IT operations.• Strong experience in project management and vendor management.• Expertise in Azure Entra AD, O365, CommVault, and Azure Cloud.• Strong leadership skills with the ability to manage and develop teams.• Willingness to travel as needed for business requirements.

VP of Finance We are looking for an experienced VP of Finance to join our team in South Gate, California. As a VP of Finance, you will play a crucial role in managing our banking relationships and structure, overseeing our human resources department, and handling all corporate and legal matters. You will also be responsible for insurance planning, contract administration, and ensuring compliance with corporate safety measures. Responsibilities: • Manage and maintain banking relationships and structure, including the investment of idle funds, financing line availability, and planning for acquisitions and startups. • Oversee the corporate tax planning and annual financial statement reviews conducted by an external CPA. • Handle the administration of large equipment purchases and contracts. • Oversee the Human Resources Department and manage company employee policies and procedures, including health and safety measures. • Monitor and manage any compliance issues in coordination with the corporate safety manager and the corporate transportation manager. • Handle all insurance loss and liability claim reporting, follow up, and settlement. • Conduct financial analysis and reporting, using tools like Microsoft Excel and Enterprise Resource Planning systems. • Manage the selection process for group health plans and business needs insurance planning. • Apply knowledge of US GAAP, Treasury, Corporate Treasury, Cost Accounting, Cost Analysis, Manufacturing Cost Accounting, and Standard Cost Accounting in carrying out duties. • Oversee the annual financial reporting and interim releases of financial information for lending, credit, or insurance purposes. • Supervise direct reports including an accounting assistant and three individuals in the HR department.

RCSA Associate We are looking for a detail-oriented and proactive RCSA Associate to join our banking client’s First Line Risk Management team. This role plays a key part in identifying, assessing, and mitigating operational risks through the effective execution of Risk and Control Self-Assessments (RCSAs). The ideal candidate will bring strong risk management experience, collaborate confidently with stakeholders, and contribute to a culture of compliance and continuous improvement.Key ResponsibilitiesRCSA Execution<ul><li>Lead or support the development, execution, and ongoing maintenance of RCSAs in line with internal frameworks and regulatory standards.</li><li>Identify and assess operational risks inherent in first-line business processes and controls.</li></ul>Control Validation & Gap Management<ul><li>Work with business units to document and validate manual and automated controls.</li><li>Recommend and track remediation plans for control deficiencies.</li></ul>Risk Monitoring & Reporting<ul><li>Monitor key risk indicators (KRIs), flag exceptions, and escalate as needed.</li><li>Prepare detailed risk reports for senior leadership and governance committees.</li></ul>Stakeholder Engagement<ul><li>Train and guide first-line leaders on RCSA methodology and regulatory expectations.</li><li>Foster a strong risk culture across the organization.</li></ul>Process & Tool Enhancement<ul><li>Support the enhancement of RCSA tools, dashboards, and reporting mechanisms.</li><li>Stay current on industry best practices and evolving regulatory guidelines.</li></ul>Qualifications<ul><li>Bachelor’s degree in Risk Management, Business, Finance, or a related field (preferred).</li><li>Minimum 3–5 years of experience in first-line risk, operational risk, compliance, or internal audit within banking or financial services.</li><li>Strong understanding of risk and control principles, RCSA frameworks, and operational risk tools.</li><li>Proficient in risk management systems and Excel (advanced skills preferred).</li><li>Excellent communication skills with the ability to convey complex information clearly.</li></ul>Preferred Certifications & Experience<ul><li>Professional certifications such as CRCM, FRM, or CIA are a plus.</li><li>Experience supporting regulatory reviews, audits, or internal inspections is highly desirable.</li></ul>

Controller We are in search of a Controller to join our team located in Glendale, California. The primary role will be to oversee the daily accounting functions, lead financial reporting and planning, manage cash flows, and provide strategic financial insights. The Controller will also be responsible for a range of human resources tasks including recruitment, employee relations, compliance, and training and development. Responsibilities: • Oversee the daily operations of accounting, including accounts payable and receivable, payroll, general ledger maintenance, and financial reporting • Lead the preparation of monthly, quarterly, and year-end financial statements, ensuring compliance with GAAP standards and regulatory requirements • Analyze financial data for forecasting, budgeting, and variance analysis • Develop and enforce internal controls to maintain the security and integrity of financial systems • Coordinate with external auditors to ensure compliance and risk mitigation during audits • Monitor company cash flows and working capital, reporting KPIs to senior leadership • Collaborate with executive leadership to provide financial insight on growth initiatives, acquisitions, or investments • Manage hiring processes, including job postings, interviews, and onboarding of new employees • Develop strategies to engage and retain employees through mentoring, detail oriented certification programs, and contract talent utilization • Act as a key liaison for employee concerns and conflict resolution • Oversee performance evaluation processes, ensuring goals align with corporate objectives • Ensure HR compliance with labor laws, OSHA regulations, and benefit plan requirements • Update and implement company policies to reflect changes in legislation or organizational needs • Manage payroll processes aligned with financial goals and administer employee benefits programs effectively • Create programs to upskill and reskill employees, fostering continuous learning and career growth • Lead initiatives for detail oriented certifications and HR analytics tools such as Workday or SHRM-CP certification.

Sr. Manager IT Portfolio and Strategy *Email brendan.steele@rht(.com) for consideration* Robert Half (Technology Solutions) is searching for a Sr. Manager of IT Portfolio & Strategy with a background in Project/Portfolio Management, Infrastructure Strategy, Cloud Modernization (Azure), Jira/Confluence, Change Management, Agile/Waterfall, and other applicable skills. If this sounds like your background, then this Sr. Manager of IT Portfolio & Strategy role is for you. For this opportunity, you will work hybrid remote in the Woodland Hills, CA area. Position: Sr. Manager, IT Portfolio & StrategyHours/Duration: 40 hrs/wk; M-F; Standard Shift; CTH/FTETop Skills: Project/Portfolio Management, Infrastructure Strategy, Cloud Modernization (Azure), Jira/Confluence, Change Management, Agile/WaterfallOnsite/Remote: Hybrid RemoteCompany: World Class Travel Company We are looking to present candidates immediately and this Sr. Manager of IT Portfolio & Strategy position will not be open long. You can apply for this position today by sending your resume to Brendan.Steele@rht(.com) or texting me at (310) 905-6878 (email text-line). You can also connect with me on LinkedIn at (linkedin/in/brendan-steele-177770101/). Responsibilities: • Operate as an intermediary between the infrastructure team and engineering team, especially in the context of cloud environments• Manage various IT projects, ensuring efficient execution and timely completion• Communicate effectively with executive team members, providing status updates, project roadmaps, and other relevant information• Utilize Agile methodologies in managing projects, with a balanced approach that incorporates Waterfall elements• Maintain proficiency in tools such as Jira and Confluence for project tracking and documentation• Hold project teams accountable, ensuring they meet their regular cadence and project milestones• Collaborate with the data team, business solutions team, and service desk team on various projects• Lead the cloud migration projects, including transitioning legacy systems to Azure• Develop executive-friendly plans and effectively manage ongoing Azure migration projects.