Mark Holtz Email & Phone Number

San Francisco, California, US

• Developed corporate information security requirements and evaluated corporate and engineering processes for adherence. Worked with stakeholders to resolve any shortfalls as well as to evaluate potential new scenarios..
• Designed and deployed a Kubernetes infrastructure as production infrastructure for a Java-based microservice blockchain/ FinTech application. Evaluated runtime, scaling, and security concerns, and worked with.
• Deployed corporate information infrastructure, including centralized auth/access via SAML, using on-premise and SaaS tools. Evaluated products for security, auditability, and compliance requirements.
• Designed and deployed a DevOps ecosystem, including CI/CD, Hypervisor-based dev servers, VPN access, and access partitioning for different groups. Supported Java microservice and ReactJS UI dev ecosystems..
• Developed container-based encapsulations and Kubernetes deployment tooling for all app components.
• Designed and implemented physical network infrastructure, including data center footprint, nailed IPSec mesh, and allmonitoring & security apparatus.

Osaka, JP

• Designed and developed a container-based microservice infrastructure based on Docker, Weave and Consul and targeting PHP, Python, node.js and custom game-related services. Addressed horizontal scalability.
• Implemented gameplay metrics back-end for Street Fighter V. Designed and implemented REST-based interface, including Swagger-based descriptor and dynamic data mocking capability. Addressed scalability and primary game.
• Worked with internal, external and 1st party teams on integration and development projects. Validated specifications and developed requirements to minimize integration and deployment issues, and implemented production.
• Designed and deployed full Production Operations suite including revision control, continuous integration, automated testing, bug tracking, code review and development and automated production documentation.
• Designed and managed full Developer Operations tool suite including full Atlassian and JetBrains tool suites providing workgroup services and developer tools.
• Architected and implemented a core OO library for PHP providing common structures and algorithms. Wrote PHP PECL extensions for static class initializers, cooperative timesharing, and function call interception.

US

• Managed system/network administration staff and provided day-to-day technical leadership for Customer Service and Operations QA team. Directed several contractors in both development and infrastructure support roles.
• Created multiple parallel network infrastructures supporting a phased testing & release process. Utilized carrier-grade ATCA 3.0-compliant hardware platform with full n+1 redundancy. Built production infrastructure.
• Developed procedures for Operations acceptance/QA, deployment and lifecycle maintenance of all production software. Frequently utilized application source to debug and correct issues to meet deadlines. Collaborated.
• Maintained Java-based mobile services in a redundant, clustered configuration using JBOSS and Tomcat 5.5. Utilized mongrel clustering to provide a fault-tolerant and scalable environment for Ruby/Rails applications..
• Administered and tuned multiple MySQL 5.0 DBMS instances and resolved issues with Spring/Hibernate and Rails support.
• Instituted security and monitoring policies and architecture. Integrated with SNMP, IPMI and JMX telemetry to monitor hardware and software health and collect business metrics. Wrote escalation procedures and provided.

Designed, built and maintained company-wide network infrastructure. Implemented and maintained scalable back-end services for support of network-enabled mobile entertainment and productivity applications for a fast-growing startup company. Met or exceeded 99.97% uptime per annum.Implemented and maintained company-wide corporate IT/networking.

Responsible for architecture and design of a portable, network-enabled consumer electronics music playback device. Requirements included secure content rights management, realtime purchasing and delivery of content, embedded hardware selection and prototyping, simple user interface design, ability to operate in a variety of consumer and broadband.

San Francisco, California, US

Designed and developed tool suite and foundation code for first gaming title on the WebTV platform. Created various low-level mechanisms from scratch to work with WebTV proprietary hardware, including a alpha-masking blitter, sound playback and mixing, and controller input. Also contributed to game state engine and AI development.Responsible for.

Led team of 14 engineers in design and development of cross-platform (Unix, Win32, Mac OS) GUI Client for the Remedy Action Request System, a helpdesk/issue tracking system.Brought two major releases of flagship product to completion ahead of schedule, and with significant improvements in stability and feature parity across platforms.Primary Client team.

Led production specification, marketing/pubs/management coordination, and testing & release requirements for 3DO multimedia production tools.Designed and delivered media creation tools with real-time user interaction with 3DO custom hardware (Opera and M2), data processing to proprietary formats,editing of data attributes,scripting/batch processing..

Operated a group specializing in network and custom application systems design/implementation, media production and graphic design.Engineering projects ranged from an FDA-validated Pharmaceutical Production system with inventory and process data tracking, to a wide area information distribution systems over TCP/IP. Worked with clients from initial planning.

Co-founded a company specializing in knowledge-base AI tools for financial analysis. Designed and implemented project UI, and co-designed underlying object database design. Researched porting issues for NeXT and other UNIX platforms

Designed a Macintosh-based host interface for the Proteus 2000 distributed fermentation process control system, top-down from UI to low-level network communications protocols. Designed data recording systems and localization for Japanese markets. Improved host/target communications and specialized control algorithms for the later firmware releases.

Bs, Communications (Broadcast Media Emphasis), Computer Science Minor

High School Diploma