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6 results for Network Security Engineer in Los Angeles, CA

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

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

Cybersecurity Project Manager

Los Angeles, CA
onsite
Temporary / Contract
55 - 64 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**** My client, a Los Angeles Higher Education based firm is looking for a Cybersecurity Project Manager to join their IT team. The position is mostly remote with some on-site days per month in Los Angeles, CA. The ideal candidate should have at 5 years of experience in Cybersecurity and project management. The tasks for the position includes managing security testing plans, communicating with stakeholders to review project updates, and managing the budgets of the cybersecurity projects. This is a great opportunity for a Cybersecurity Project Manager to engage on a challenge project on cybersecurity and work for a well known higher education institution.
2026-04-30T00:00:00Z

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

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

Senior Software Engineer

Burbank, CA
onsite
Temporary / Contract
69 - 83.87 USD / Hourly
Job / Position DescriptionPrototyping & Innovation<ul><li>Develop rapid prototypes, demos, and proof‑of‑concepts using in‑market generative AI models and tools</li><li>Support business decision‑making, project scoping, and adoption of emerging AI technology</li><li>Primary focus on AI tools for visual storytelling, including imagery and video</li></ul>Testing & Evaluation<ul><li>Build tooling and methodologies to evaluate emerging AI models, APIs, and platforms</li><li>Assess prototype quality, controllability, performance, and production readiness</li><li>Debug, refine, and iterate on prototypes with minimal technical supervision</li></ul>Optimization & Adaptation<ul><li>Optimize and adapt existing state‑of‑the‑art AI models for quality, efficiency, and usability</li><li>Perform model fine‑tuning (e.g., LoRA training) where appropriate</li><li>The role does not require training models from scratch</li></ul>Cross‑Functional Collaboration<ul><li>Partner closely with creative, production, and technical teams</li><li>Iterate solutions based on stakeholder feedback and evolving creative needs</li><li>Provide technical requirements and direction to vendors or external partners when applicable</li></ul>Documentation & Communication<ul><li>Document technical learnings, workflows, and best practices</li><li>Communicate complex technical concepts clearly to non‑technical stakeholders</li><li>Present work and outcomes to senior leadership when required</li></ul>WCore Expectations<ul><li>Hands‑on technical role (not a project manager or business analyst position)</li><li>Ability to:</li><li>Work deeply with generative AI video models</li><li>Use tools such as Comfy UI</li><li>Write and modify code</li><li>Perform model fine‑tuning (e.g., LoRA)</li><li>Strong communication skills are critical, including executive‑level presentations</li></ul>
2026-04-20T00:00:00Z