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4 results for Systems Administrator in Corona, CA

System Implementation Accountant

Cerritos, CA
onsite
Permanent / Full Time
70000 - 95000 USD / Yearly
We are looking for an experienced Sr. Project Accountant to join a growing team in California. This role is ideal for a finance specialist who combines strong technical accounting knowledge with the ability to lead projects that improve accuracy, efficiency, and reporting quality. The position will play a key part in strengthening financial operations, supporting compliance, and partnering across departments to deliver well-managed accounting initiatives. Responsibilities: • Oversee project-based accounting activities from initial planning through completion, ensuring deadlines, deliverables, and cross-functional coordination stay on track. • Prepare and review journal entries, maintain general ledger accuracy, and complete detailed account reconciliations to support reliable financial reporting. • Lead efforts to enhance accounting workflows by introducing process improvements, automation opportunities, and clearly documented standard operating procedures. • Support financial systems administration and related initiatives, including platform integrations, implementation support, and data validation or cleanup efforts. • Manage treasury-related tasks such as cash forecasting, bank reconciliations, fund transfers between accounts, and wire transaction processing. • Contribute to internal control compliance by assisting with audit readiness, required documentation, and regulatory obligations such as escheatment and insurance-related support. • Develop and maintain advanced Excel-based reports, analyze financial trends, and identify opportunities to improve cost efficiency and reporting visibility. • Partner with vendors and internal stakeholders to coordinate third-party tools, maintain provider records, and assess service effectiveness. • Collaborate with accounting and business teams to protect financial data integrity and ensure consistent execution across multiple concurrent projects.
2026-05-14T00:00:00Z

Information System Security Officer (ISSO)

Costa Mesa, CA
onsite
Temporary / Contract
50 - 70 USD / Hourly
We are seeking a cleared Information System Security Officer (ISSO) to support classified systems operating within the DoD Risk Management Framework (RMF) and JSIG environments. This role is highly documentation‑focused and centered on ATO support, continuous monitoring, audit readiness, and compliance across multiple classified networks. The ISSO will primarily support the ISSM and may assume ownership of smaller ATO efforts based on workload and system scope. This role will be a 3–6-month contract to hire opportunity! Key Responsibilities<ul><li>Serve as the ISSO for multiple classified systems, supporting RMF lifecycle activities under ISSM direction</li><li>Create, update, and submit security authorization artifacts for:</li><li>New hardware and software extensions</li><li>RMF updates and control changes</li><li>Support and maintain ATO packages, including initial authorizations, renewals, and extensions</li><li>Monitor and assess 3–5 classified networks, averaging ~1 hour per network for compliance and security reviews</li><li>Execute and document continuous monitoring activities using approved security tools</li><li>Participate in and support routine audits, inspections, and DoD compliance submissions</li><li>Partner with IT and engineering teams to ensure controls, scans, and audit activities are executed correctly</li><li>Conduct vulnerability scanning on a recurring schedule (not a primary time driver)</li><li>Support systems currently partially complete within the NIST RMF lifecycle</li><li>Participate in regular stakeholder syncs with ISSM, IT, security teams, and government representatives</li><li>Operate within a classified, air-gapped environment supporting a mixed operating system infrastructure</li></ul>
2026-04-27T00:00:00Z

Payroll Administrator

Pasadena, CA
onsite
Temporary / Contract
25 - 26 USD / Hourly
Ongoing opportunities for ambitious Payroll Administrators. As a Payroll Administrator, you will be responsible for data entry, reconciliation of timecards, paycheck distribution and providing statements to various departments. This temporary assignment with a well known company offers great career growth. Please apply today for immediate consideration.Payroll Processing:· Calculate and process employee salaries, wages, bonuses, and deductions.· Ensure accuracy in time and attendance records and apply relevant payroll policies.Data Entry and Record Keeping:· Enter and maintain employee data in the payroll system.· Keep accurate records of employee information, tax withholdings, and other payroll-related details.Tax Compliance:· Ensure compliance with tax regulations and statutory requirements.· Calculate and withhold income taxes, Social Security contributions, and other deductions as required.Benefits Administration:· Administer employee benefits programs, such as health insurance and retirement plans.· Deduct and remit employee contributions to benefit plans.Payroll Reporting:· Prepare and distribute payroll reports to management and relevant departments.· Generate reports for tax purposes, including year-end reports and W-2 forms.
2026-05-06T00:00:00Z

Payroll Administrator

Torrance, CA
onsite
Temporary / Contract
25 - 29 USD / Hourly
We are looking for a detail-oriented Payroll Administrator to support a short-term Contract assignment in Torrance, California. This position will manage payroll processing for a small employee group assigned to a government project, with a strong emphasis on accuracy, compliance, and timely completion. The ideal candidate brings hands-on QuickBooks expertise and a solid background in certified payroll within regulated work environments. Responsibilities: • Process end-to-end payroll for approximately 5 to 10 employees with accuracy and on schedule using QuickBooks. • Prepare and maintain certified payroll records for government-related work in accordance with applicable reporting standards. • Review employee pay details, hours, deductions, and earnings to ensure each payroll cycle is complete and accurate. • Generate payroll documentation and supporting reports required for contract and compliance purposes. • Resolve payroll discrepancies promptly by researching records and coordinating with appropriate stakeholders. • Maintain organized payroll files and ensure sensitive employee information is handled confidentially. • Support regular weekly payroll activities during standard business hours throughout the assignment.
2026-05-14T00:00:00Z