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5 results for Systems Administrator in Fallbrook, CA

IT Systems Administrator

Escondido, CA
onsite
Temporary / Contract
30 - 55 USD / Hourly
Our client is seeking an experienced IT Systems Administrator to support our network storage modernization, user account management, and IT security. This role will focus on configuring our Synology NAS device for secure and scalable multi-user access, implementing critical hardware upgrades, and enhancing security protocols. Key Responsibilities:<ul><li>Configure Synology NAS for multi-user access, enabling private user directories via the "User Home" feature.</li><li>Set up individual user credentials and ensure users have secure, mapped drives for personal file management.</li><li>Manage and audit user permissions to guarantee that data privacy and access controls are correctly enforced.</li><li>Upgrade NAS and workstation hardware, especially RAM, to optimize performance during concurrent file transfers and large file operations.</li><li>Establish decentralized user accounts on local devices for improved security and personalized settings.</li><li>Conduct permissions audits to validate access levels according to user roles.</li><li>Compile and securely maintain an emergency recovery ledger that includes BitLocker recovery keys and system passwords.</li><li>Provide ongoing system administration and troubleshooting support for network storage and workstation environments.</li><li>Recommend and implement best practices for IT security, backups, and network stability.</li></ul>
2026-04-17T00:00:00Z

Network Administrator

Chino, CA
onsite
Temporary / Contract
71.25 - 82.5 USD / Hourly
We are looking for a Network Administrator to support and maintain critical network infrastructure for a utilities and infrastructure environment in Chino, California. This Long-term Contract position focuses on ensuring secure, reliable connectivity across LAN and Cisco-based network environments while supporting day-to-day administration and troubleshooting. The ideal candidate will bring strong hands-on experience with firewall technologies, Cisco routers, Active Directory, and core networking operations in a fast-paced technical setting. Responsibilities: • Administer and support Cisco-based network infrastructure to maintain stable and secure connectivity across the organization. • Configure, monitor, and troubleshoot firewall platforms to protect network assets and enforce security policies. • Manage Cisco routers and related network components, resolving performance issues and maintaining optimal uptime. • Oversee local area network operations, including connectivity, performance monitoring, and issue resolution for end users and systems. • Support Active Directory-related network access and authentication needs in coordination with broader IT operations. • Investigate network incidents, identify root causes, and implement corrective actions to reduce recurring disruptions. • Maintain network documentation, diagrams, and configuration records to support operational consistency and compliance. • Collaborate with internal teams on infrastructure updates, enhancements, and any network-related transition activities as needed.
2026-04-24T00:00:00Z

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

Cloud Systems Analyst

Irvine, CA
onsite
Permanent / Full Time
130000 - 140000 USD / Yearly
We are looking for a skilled Cloud Systems Analyst to manage and optimize a complex SAP S/4HANA Cloud and SAP Analytics Cloud ecosystem in Irvine, California. This role demands technical expertise, a proactive approach, and the ability to independently resolve system issues within a dynamic production environment. The ideal candidate will play a pivotal role in ensuring system stability while supporting the Finance and Accounting operations. Responsibilities: • Administer and maintain the SAP S/4HANA production environment, focusing on Finance modules such as GL, AP, AR, and Fixed Assets. • Manage user roles, permissions, and troubleshoot system issues to ensure seamless performance. • Oversee SAP Analytics Cloud operations, including user provisioning, permissions, and development of reports and dashboards. • Monitor and support third-party integrations like AP automation, card management, and banking/payment platforms, ensuring data flow efficiency. • Collaborate with Finance and Accounting teams to understand workflows and address system-related challenges. • Provide hands-on training and responsive support to end-users to enhance their experience with the system. • Maintain detailed documentation of system processes, integrations, and architecture for reference and compliance purposes. • Identify opportunities for automation and system improvements to optimize performance. • Stay up-to-date on SAP technologies and recommend strategies for system enhancement and optimization. • Resolve complex technical issues independently to minimize reliance on external vendors.
2026-04-14T00:00:00Z

Solutions Architect (Oracle ERP)

La Jolla, CA
onsite
Temporary / Contract
75 - 95 USD / Hourly
We are seeking an experienced Solutions Architect, Oracle Enterprise Resource Planning (ERP) to join our Enterprise Applications team. Reporting to the Director of Oracle Applications, this role will provide architectural leadership, governance, and technical direction for the Oracle ERP platform, supporting key business domains including Finance, Supply Chain, Inventory and Warehouse, Manufacturing, and Production Planning. The Solutions Architect will define, govern, and drive end-to-end solutions, ensuring all enhancements, integrations, and transformation initiatives align with enterprise standards, business strategy, and regulatory requirements. This role is responsible for delivering solutions that optimize business processes, enable new capabilities, improve operational efficiency, reduce risk, and support business growth. Key Responsibilities<ul><li>Develop a comprehensive understanding of current-state business processes and system capabilities across Finance, Supply Chain, Inventory & Warehouse, Manufacturing, and Production Planning; identify strengths, gaps, risks, and opportunities for optimization.</li><li>Define and maintain the target-state architecture and strategic roadmap for Oracle ERP, including application, data, and integration layers; align future-state processes with business objectives and secure stakeholder buy-in.</li><li>Conduct gap analyses between current and target states and lead the development of actionable roadmaps to remediate gaps and mitigate risks to business initiatives.</li><li>Lead solution design and architecture governance, partnering with business SMEs and Enterprise Architects to ensure scalable, integrated, and standardized cross-functional solutions.</li><li>Provide architectural leadership for ERP implementations, enhancements, and modernization initiatives, including upgrades and potential cloud transformation efforts.</li><li>Define and govern integration architecture between Oracle ERP, PLM, and other enterprise systems, ensuring data integrity, consistency, and scalability across platforms.</li><li>Evaluate and recommend ERP-related tools and technologies such as data management, analytics, scheduling, and mobility solutions to optimize system performance, usability, and data utilization.</li><li>Establish and monitor KPIs and performance metrics to drive continuous improvement, operational excellence, and measurable business outcomes.</li><li>Guide cross-functional teams through the solution delivery lifecycle, including design, configuration, development, testing, deployment, and support, while ensuring adherence to architecture standards and best practices.</li><li>Translate business requirements into end-to-end solution designs and technical specifications, ensuring alignment between functional needs and system capabilities.</li><li>Lead effort estimation, resource planning, and cost modeling, including development of Total Cost of Ownership analyses for complex initiatives.</li><li>Contribute to and align with enterprise architecture standards, frameworks, and business process models to ensure consistency across domains.</li><li>Build and maintain strong relationships with senior business and IT stakeholders, acting as a trusted advisor and aligning technology solutions with business strategy.</li></ul>
2026-04-23T00:00:00Z