Sam Liggett Email & Phone Number

San Jose, Ca, Us

Lead, mentor and coach teams of product security engineers and security architects that provide expertise to solidify the security posture of Cisco Umbrella and Cisco Duo products and services. • Drive security reviews of software features, components, services and architecture to provide security assessments and recommended remediations.• Partner with engineering teams to build best security practices in to front end of development lifecycle.

San Jose, Ca, Us

Led team of engineers developing full stack tools and automations to improve operational efficiency and effectiveness in security operations.• Partnered with internal customers to develop strategic security tools roadmap aligned across business units.• Delivered against roadmap by driving full lifecycle software development programs from requirements definition through to operation on production cloud native services.• Developed inventory and vulnerability management application that provides continuous monitoring for FedRAMP compliance activities.• Successfully launched tooling for centralized management of application explicit allow on endpoints.• Operationalized CRXcavator, an automated Chrome browser extension security assessment utility.

San Jose, Ca, Us

Led development team of 10 engineers using agile methodologies to develop software for the Firepower Management Center (FMC) that provides centralized, integrated management for network security solutions.• Develop componentized vertical software features that enable scalability of software upgrades on firewalls in tandem with simplified usability, resulting in greatly increased operational efficiency for the customer.• Enhance and maintain core software infrastructure frameworks that provide services to FMC applications.• Drive strategic technology initiatives to promote innovation that can be translated in to productized features.• Improve engineering efficiency through automation and continuous process improvement to increase team output.• Partner with key customers to address technical needs and to roadmap FMC features for their security platform.• Managed development, integration and qualification of platform software for successive FMC hardware variants.

San Diego, Ca, Us

Led test team of 10 engineers and architects developing, automating and executing software test suites for Cymer’s EUV Light Source product. Drove initiatives for increasing breadth and depth of test coverage, and for developing test platforms for mechatronic systems. Championed metrics-based process improvements to improve software quality while reducing cycle time. Interfaced with cross-functional project teams to resolve issues on installed product base.• Provided vision, direction, planning and collaboration to deliver software test strategy, architecture, automation and execution.• Managed development, evolution and deployment of test tools and test environment.• Facilitated development of quality control metrics to determine improvement areas and strategies in the overall software development life cycle.• Developed quarterly department budget and manage to approved budget, including 3rd party vendor contracts.• Led Software Design for Testability competency to drive software quality improvements in a cost effective way.

Chicago, Illinois, Us

Led development and integration team of 10 engineers delivering software for Android based mobile devices using agile methodologies. Owned software project planning, execution and management, feature development, defect tracking and resolution, software stability, factory support, certifications, and customer approvals. Technical interface to customers; presented detailed status updates to core team and senior leadership. • Coached 3 entry-level engineers through to principal staff creating strong pipeline of promotable talent based on development of both technical and soft skills. Interviewed and screened for technical skills and cultural fit.

Chicago, Illinois, Us

Managed program of 3 interrelated projects and high performing, multi-site team (USA, India, China) of 30 engineers. Designed and developed Multimedia, Messaging and Middleware Audio Manager software components for mobile devices. Led technical management, vertical feature development, project planning and execution, and managed key 3rd-party vendor contracts.• Progressively improved user experience by driving technology and feature road-mapping. Developed multimedia applications, framework, and device drivers for imaging and music use cases. Managed bring-up and qualification of imager parts to ensure best-in-class picture and video quality.

Chicago, Illinois, Us

As an individual contributor, led innovation and realization of cutting-edge mobile device features.• Defined and developed VPN and Mobile IP (MIP) requirements (in conjunction with Sprint) that enabled secure, location independent routing of data services to multi-mode (CDMA / WiFi) devices. Procured 3rd-party solutions for handset side implementation, meeting aggressive project timelines.• Delivered breakthrough technology to customer by providing technical leadership for requirements, architecture, design, and implementation of Motorola’s first WiFi capable, multi-mode product.

Chicago, Illinois, Us

Developed DSP software components for audio and multimedia services in mobile devices.• Contributed significantly to development of an embedded DSP implementation of Microsoft Windows Media Video (WMV) decoder component, thereby enabling WMV playback on mobile device. Defined component APIs, ported / optimized reference C source code, executed unit tests and bit exact tests.

Marlborough, Ma, Us

Developed embedded systems and Texas Instruments TMS320C54x DSP software for Remote Access Server modem pool applications.• Implemented algorithms for the V.29 facsimile standard in assembly language software.

Flower Mound, Texas, Us

Successfully developed DSP algorithms for the AMPS functionality of an IS-136 chip set utilized in cellular phones.

Ca

Specified, designed and developed Texas Instruments TMS320C5x DSP assembly language software for a single frequency signaling system used on analog PSTN and PBX trunk lines. Promoted through roles of Development Engineer to Senior roles after joining organization as Graduate Engineer.

Bachelor Of Engineering (Beng), Electrical & Electronic Engineering

Master Of Science (Msc), Electronics & Signal Processing

Executive Presence & Influence: Persuasive Leadership Development