7 results for Sr Systems Administrator in Aliso Viejo, CA

Systems Administrator

Corona, CA
onsite
Temporary
49.4 - 57.2 USD / Hourly
We are looking for an experienced Systems Administrator to join our team on a long-term contract basis in Corona, California. In this role, you will oversee the maintenance and optimization of both Windows and Linux server environments, ensuring seamless operations and compliance with service-level agreements. This position requires a proactive and collaborative individual who can manage complex systems while driving efficiency and reliability. *** For faster responses, please send updated resumes to julio.enriquez@roberthalf(.com) *** Responsibilities:• Provide operational support for a large-scale server infrastructure, including 600 Windows Servers (Windows Server 2016 and newer) and 120 SUSE Linux Servers.• Perform regular patching, monitor server performance, and ensure service availability in alignment with established service-level agreements.• Manage and upgrade VCenter 7 and newer versions, maintaining 40+ ESXi hosts.• Administer virtual desktop infrastructure (VDI) pools and remote desktop services using Citrix technologies.• Troubleshoot and resolve advanced incidents and service requests escalated from lower support tiers.• Utilize or develop technical tools for tasks such as backups, restoration, failover processes, log analysis, and performance monitoring.• Create and maintain standard operating procedures to ensure security and operational efficiency in systems administration.• Upgrade and manage Dell Technologies storage arrays to meet organizational needs.• Collaborate with application development, security, and project management teams to implement new systems and services.• Develop automation tools and processes to enhance scalability and streamline operations.
2026-02-24T00:00:00Z

Sr. Administrative Assistant

Los Angeles, CA
onsite
Contract / Temporary to Hire
24.7 - 27 USD / Hourly
We are seeking a highly organized and proactive Senior Administrative Assistant with a background in the construction industry to support our executive team and daily operations. This role will directly assist the CEO while also serving as a key support resource across departments, including front desk coverage and logistics coordination. The ideal candidate is detail-oriented, adaptable, and thrives in a fast-paced, team-driven environment. Key Responsibilities:Provide high-level administrative support to the CEO, including calendar management, meeting coordination, travel arrangements, and confidential correspondenceAct as backup receptionist, managing incoming calls, greeting visitors, and handling front office operations as neededSupport the logistics department with scheduling, tracking shipments, coordinating deliveries, and maintaining accurate recordsPrepare reports, presentations, and internal communicationsAssist with project coordination, including tracking timelines, documentation, and vendor communicationMaintain organized filing systems (electronic and physical) for contracts, permits, and project documentationCoordinate meetings, take notes, and follow up on action itemsHandle general administrative tasks such as ordering office supplies, managing mail, and supporting cross-functional teamsAssist with special projects and additional duties as assigned
2026-03-18T00:00:00Z

Sr. Administrative Assistant

Covina, CA
onsite
Contract / Temporary to Hire
24.7 - 28.6 USD / Hourly
We are looking for a highly organized and detail-oriented Sr. Administrative Assistant to join our team in Covina, California. This Contract to permanent position requires an individual who can support executive operations in a fast-paced environment, ensuring seamless coordination and communication. The ideal candidate will thrive in managing multiple priorities while maintaining accuracy and confidentiality. Responsibilities: • Provide comprehensive administrative support to management and executive teams, including scheduling and calendar management. • Prepare agendas, meeting minutes, and track action items to ensure timely follow-up on tasks. • Coordinate timely filings and mailings by collaborating with account executives and department managers. • Assist in updating and distributing key documents, such as enrollment materials, forms, and benefit summaries. • Attend operational meetings to document notes and support follow-up activities. • Create presentations, including PowerPoint decks and proposals, tailored for executive meetings. • Arrange travel accommodations, including flights and hotels, while keeping account executives informed. • Ensure accuracy and confidentiality in all administrative tasks and maintain flexibility to meet deadlines. • Monitor and organize daily, weekly, and monthly tasks to meet operational goals efficiently. • Support communication efforts by drafting correspondence and notifications with impeccable grammar and spelling.
2026-03-20T00:00:00Z

NetSuite Administrator

Long Beach, CA
onsite
Contract / Temporary to Hire
38 - 44 USD / Hourly
We are looking for a skilled NetSuite Administrator with a strong background in accounting and finance to join our team in Long Beach, California. In this Contract to permanent position, you will oversee financial operations, optimize system functionality, and ensure compliance with regulatory standards. This role involves close collaboration with the accounting team to streamline processes, improve reporting capabilities, and enhance overall efficiency. Responsibilities: • Manage financial operations within NetSuite, including accounts receivable, accounts payable, general ledger, and fixed assets. • Facilitate month-end and year-end close activities by performing reconciliations, journal entries, and financial reviews. • Oversee subscription billing processes to ensure accuracy and timely execution. • Support budgeting and forecasting efforts using NetSuite planning tools. • Prepare and coordinate documentation for audits, ensuring compliance with relevant standards. • Configure and maintain NetSuite modules to align with organizational workflows and financial needs. • Develop and refine financial dashboards, reports, and KPIs for leadership review. • Identify and implement process improvements to enhance system accuracy and operational efficiency. • Optimize NetSuite and Salesforce integration to streamline billing and customer issue resolution. • Provide training and support to finance and accounting staff on NetSuite functionalities.
2026-03-09T00:00:00Z

Sr. Grant Accountant

Los Angeles, CA
onsite
Permanent
90000 - 110000 USD / Yearly
We are seeking a Sr. Grant Accountant to join our team in the Non Profit industry, based in Los Angeles, California. In this role, you will be responsible for a range of tasks including account reconciliation, balance sheet reconciliation, bank reconciliations as well as other general ledger tasks. Responsibilities include: • Handling account reconciliation with attention to detail and accuracy.• Conducting balance sheet reconciliation to ensure financial accuracy.• Processing bank reconciliations to maintain accurate financial records.• Managing general ledger activities and updating as necessary.• Preparing journal entries and maintaining the accuracy of financial data.• Utilizing Microsoft Excel for various financial tasks and reports.• Overseeing the month-end close process, ensuring all financial data is accurate and up to date.• Gaining proficiency in NetSuite for various accounting tasks.• Working with Oracle and SAP for various financial management tasks. For confidential consideration, please email your Robert Half recruiter. If you're not currently working with anyone at Robert Half, please click "Apply" or call 562-800-3963 and ask for David Bizub. Please reference job order number00460-0013075990. email resume to [email protected]
2026-02-27T00:00:00Z

Sr. Property Accountant

Long Beach, CA
onsite
Permanent
100000 - 110000 USD / Yearly
Senior Property Accountant – Growing Commercial Real Estate FirmLocation: Long Beach, CADepartment: Accounting & FinanceReports to: CEO & Executive Vice PresidentAbout the CompanyA stable and expanding commercial property management firm in Long Beach is entering a major growth phase and seeking a skilled Senior Property Accountant to support its expanding portfolio. The company manages a diverse mix of assets and is strengthening its internal processes to support long‑term stability and strategic expansion.Position OverviewThe Senior Property Accountant will oversee property‑level and corporate accounting, including financial reporting, budgeting, cash management, internal controls, and process improvements. The role requires strong commercial real estate experience, excellent accuracy, and the ability to thrive in a fast‑paced environment.Key ResponsibilitiesProperty & Corporate AccountingManage accounting operations for multiple commercial properties and corporate entities. Prepare monthly, quarterly, and annual financial statements. Lead month‑end and year‑end close. Analyze financial performance and provide insights to leadership. Maintain GL activity, journal entries, and reconciliations. Oversee AP, AR, tenant billing, and cash processes. Review CAM reconciliations and lease abstracts.Budgeting, Forecasting & ComplianceCoordinate annual budgets and forecasts. Manage cash flow, banking relationships, and capital expenditures. Support audits, tax filings, and work with external CPAs. Ensure GAAP compliance and strengthen internal controls and procedures.Systems & Process ImprovementEnhance accounting systems and workflows. Lead system upgrades or implementations. Identify automation opportunities to increase efficiency.Qualifications<ul><li>Bachelor’s degree in Accounting or Finance. </li><li>3+ years of accounting experience, including 3+ years in commercial real estate. </li><li>Strong GAAP and property management accounting knowledge. </li><li>Experience with Property Blvd, Yardi, MRI, AppFolio, or similar software. </li><li>Advanced Excel skills. </li><li>Strong analytical, organizational, and communication abilities. </li><li>Ability to manage multiple priorities and deadlines.</li></ul>CompetenciesStrong analytical and problem‑solving skills. High accuracy and attention to detail. Clear written and verbal communication. Strategic thinker with hands‑on execution ability. Adaptable, organized, and effective in a growing environment. For confidential consideration, please email your Robert Half recruiter. If you're not currently working with anyone at Robert Half, please click "Apply" or call (562) 800-3913 and ask for Preston Doran. Please reference job order number 00460-0013401101 email resume to [email protected]
2026-03-20T00:00:00Z

Senior Security Engineer

Playa Vista, CA
remote
Permanent
160000 - 180000 USD / Yearly
For Immediate response please email of message Valerie Nielsen on LinkedIn Senior Security Engineer Location: Fully Remote (U.S. Only) Compensation: $170,000 Base Salary + Benefits Work Authorization: Must be a U.S. Citizen or Green Card Holder About the CompanyThis role will play a key part in architecting and implementing enterprise security programs within an Azure-based cloud environment, working closely with infrastructure, DevOps, and engineering teams. Role OverviewWe are seeking a Senior Security Engineer to design, implement, and continuously improve security controls across a cloud-native environment. This role will focus heavily on Azure security architecture, threat detection, and vulnerability risk management, while helping mature the organization’s security program aligned with ISO 27001 and NIST 800-171 frameworks.The ideal candidate brings a strong blend of security architecture, cloud security engineering, and hands-on incident response experience. Key Responsibilities<ul><li>Architect and implement security programs aligned with ISO 27001 and NIST 800-171 frameworks</li><li>Analyze and define threat and vulnerability risks, including impact and likelihood of exploitation</li><li>Deploy, configure, and optimize modern security stacks including SIEM, EDR/XDR, and IDS/IPS solutions</li><li>Design and implement security controls across a Microsoft Azure cloud environment</li><li>Leverage Infrastructure as Code (IaC) tools to deploy and manage secure cloud infrastructure</li><li>Lead and participate in threat hunting initiatives, incident response, and security investigations</li><li>Monitor and enhance detection capabilities across enterprise environments</li><li>Partner with DevOps, infrastructure, and engineering teams to embed security into the cloud development lifecycle</li><li>Assist with vulnerability management, remediation strategies, and risk mitigation planning</li></ul>
2026-03-13T00:00:00Z