Cybersecurity Jobs in Irvine, CA

Lead new enterprise business development, self-source pipeline, run complex multi-threaded sales cycles, and close recurring managed and professional services deals. Engage C-level stakeholders, leverage cloud and partner ecosystems (VMware, AWS, Azure, Google), collaborate cross-functionally, and drive territory revenue and quota attainment.

Lead sell-side contract negotiations and contract risk management for managed services engagements. Develop and enforce contract compliance, internal controls, and governance; translate contract provisions into guidance; collaborate with stakeholders to assess and mitigate operational and performance risks. Coach teams, drive process improvements, and represent PwC in complex commercial negotiations.

Design, configure, and program PLCs and SCADA/HMI systems; participate in control system commissioning and startup; review control system architectures and P&IDs; assess ICS/OT networking and cybersecurity requirements; support client design reviews and mentor junior staff as needed.

Lead IT advisory engagements for middle-market clients, conducting IT assessments, providing fractional IT leadership, driving cloud and infrastructure transformation, executing strategy via OKRs, and leading generative AI briefings and adoption programs (Copilot, AI risk assessments, custom AI apps). Advocate change management and collaborate with internal teams to convert briefings into managed services revenue.

Lead sales and professional services engagements from prospecting through invoicing. Manage billable projects, design and deliver technical solutions, build client relationships, prepare proposals, mentor peers, contribute to knowledge management, and support sales activities to meet territory quotas and ensure customer satisfaction.

Senior sales consultant driving new business and managing complex, billable projects end-to-end. Design, implement, and test technical solutions; engage clients, prepare proposals and pricing, mentor colleagues, and support sales activities while ensuring timely delivery and customer satisfaction.

Lead the TAC managed services team to coordinate escalations and incident response, ensure SLA performance, drive root cause analysis and process improvements, mentor technical staff, and collaborate cross-functionally to deliver excellent customer service and operational outcomes.

Lead development and execution of enterprise AI strategy, governance, architecture, and adoption. Coordinate cross-functional teams to identify use cases, enable responsible AI, support implementations, measure business value, and drive enterprise-wide AI literacy and standards.

Territory-focused outside sales role acquiring new small and mid-sized business customers through prospecting, cold calling, door-knocking, and appointments. Manage full sales cycle, maintain CRM (Salesforce) activity, meet quota, and sell AT&T solutions across wireless, fiber, internet, voice, SDN, and cybersecurity. Field-based with collaboration from assigned office as needed.

Provide pre-sales consultation, technical enablement, training, and education to partners across cybersecurity, cloud, networking, infrastructure, hardware, and software. Build trusted partner and vendor relationships, demonstrate solutions, translate technical capabilities into business value, support sales opportunities, and deliver thought leadership and strategic guidance to grow partner practices.

The Cybersecurity Quality Engineer supports the integration of cybersecurity in product development, ensuring adherence to quality standards and regulatory requirements, while maintaining documentation and participating in cross-functional collaboration.

Lead cybersecurity for MedTech Electrophysiology and Neurovascular units across R&D, manufacturing, supply chain and commercial. Develop end-to-end security portfolio, perform IT/OT risk assessments, drive remediation and capability adoption, support SOC incident investigations, ensure regulatory compliance (NIST, NIS2, etc.), provide audit liaison, and build security awareness and analytics across global sites and vendors.

Lead MedTech cybersecurity for Electrophysiology and Neurovascular business units, embedding with R&D, Supply Chain and Commercial teams to assess IT/OT risk, drive remediation, adopt security capabilities, support SOC investigations, ensure regulatory compliance (NIST, NIS2, ISO, HITRUST), provide audit liaison, and build security posture analytics while managing and developing a small team.

Lead and build IT and cybersecurity functions, own the system security plan, prepare for CMMC Level 2 certification, integrate business systems, provide hands-on IT support, and scale security and IT teams in a hardware-plus-software startup.

The Principal Cybersecurity Architect leads secure architecture strategies, integrates cybersecurity into development processes, and mentors engineering teams to minimize risk and ensure compliance.