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4 results for It Security Consultant in Irvine, CA

IT Consultant

Irvine, CA
onsite
Temporary / Contract
37.33 - 37.33 USD / Hourly
We are hiring for an IT Consultant to own high‑visibility Infrastructure and End User Computing (EUC) escalations and serve as the primary liaison between delivery partners, executives, and business stakeholders. This role provides decision‑ready clarity to leadership, enforces vendor accountability, and ensures risks are clearly understood and actively managed. This is not a hands‑on delivery role, but a strategic leadership and escalation ownership position. Key Responsibilities:· Own and manage high‑impact, executive‑visible escalations across Infrastructure and EUC domains.· Hold strategic vendors, including Capgemini, accountable for delivery outcomes, commitments, and risk mitigation actions.· Act as the primary onshore liaison for executives and business leaders, ensuring clear alignment and communication.· Translate complex technical issues into business impact, risk posture, and actionable decision options.· Deliver concise, leadership‑ready escalation updates, recommendations, and executive communication.· Executive engagement and leadership‑level communications.· Direct ownership of critical delivery risks and escalations.
2026-04-17T00:00:00Z

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

Info Sec Architect

Los Angeles, CA
onsite
Temporary / Contract
65 - 70 USD / Hourly
**** For Faster response on the position, please send a message to Jimmy Escobar on LinkedIn or send an email to Jimmy.Escobar@roberthalf(.com) with your resume. You can also call my office number at 424-270-9193**** We are looking for an experienced Info Sec Architect to join our team on a long-term contract basis in Los Angeles, California. This role involves safeguarding critical systems and networks while implementing robust security protocols to minimize risks. The ideal candidate will have a strong background in cloud technologies, firewall management, and cybersecurity strategies. Responsibilities:• Design, implement, and maintain advanced firewall solutions, including Checkpoint and Cisco ASA, to protect network integrity.• Evaluate and enhance cloud-based security frameworks to ensure the secure deployment and operation of services.• Conduct regular security audits and vulnerability assessments to identify and mitigate risks.• Configure, monitor, and troubleshoot Cisco technologies to optimize system performance and security.• Develop and execute cybersecurity strategies to address potential threats and ensure compliance with industry standards.• Collaborate with cross-functional teams to implement configuration management processes that streamline security operations.• Perform AB testing to analyze the effectiveness of security measures and recommend improvements.• Manage AWS technologies to strengthen cloud security and scalability.• Provide expertise in cyber threat analysis and response to safeguard sensitive data.• Document and maintain security protocols, procedures, and configurations for future reference.
2026-04-08T00:00:00Z

IT Engineer

Santa Fe Springs, CA
onsite
Temporary to Hire
57 - 66 USD / Hourly
We are looking for an IT Engineer to support and evaluate the technology environment in California. This contract-to-permanent opportunity is ideal for a hands-on, detail-oriented individual who can investigate current systems, identify improvement areas, and help strengthen day-to-day infrastructure performance. The role combines desktop support, technical assessment, and practical problem-solving across user systems, directories, and network-connected assets. Responsibilities: • Review the existing IT environment to identify operational gaps, technical risks, and opportunities for improvement. • Perform asset tracking and verification activities to help maintain accurate inventory records for hardware and related equipment. • Conduct testing across workstations, systems, and network components to confirm functionality and uncover issues affecting performance. • Provide desktop and help desk support by resolving user-reported incidents, troubleshooting Windows-based devices, and managing service requests. • Administer and support Active Directory and Azure Active Directory user access, account maintenance, and related system tasks. • Document findings and develop practical remediation recommendations to improve system stability, support processes, and overall IT operations. • Assist with network-related troubleshooting by evaluating connectivity issues and reviewing topology information to support efficient resolution. • Contribute to technical planning efforts related to transitioning away from the current organizational structure or environment as needed.
2026-04-30T00:00:00Z