Raymond Castro Email & Phone Number

St. Louis, Mo, Us

United States

Technical lead, advising, assisting, and mentoring safety engineers specializing in software safety engineering for Boeing Defense Systems. - Performing subsystem hazard analysis utilizing a combination of traditional MIL-STD-882E, bowtie, and STPA methods, efficiently capturing system, subsystem, and software hazards for autonomous vehicle management, guidance and control, and mission management- Performing software safety requirements, design, code, and test procedure reviews- Providing safety risk assessment of software change requests to assist management in prioritizing software changes or implementing workarounds to mitigate or reduce risk- Completed a pilot trade study for supplier software/firmware level of rigor assessment for application of a System Safety Management Plan, resulting in a software and firmware LOR assessment guide to quickly standup and lead a review team- Increased efficiency of safety and airworthiness assessment of supplier software review by developing a cross-reference of MIL-STD 882 / JSSSEH Level of Rigor to DO-178 and DO-254 objectives, adapting the military technical design and development review milestones to Stage of Involvement(SOI) audits

Palmdale, Ca

System safety engineering for multiple research programs.- Completed component level hardware subsystem hazard analysis, to determine system risk based on MIL-STD-882E hazard severity and probability - Provided software functional safety assessments of software change requests, with assignment of hazard criticality, software control category, and probability of exposure to software bugs- Provided operational safety support, developing mishap plans, safety review of operating procedures, and incident response - Performed and briefed test hazard analysis for high risk open system hazards for test readiness reviews- Established a System Safety Group and hosted System Safety Working Groups with a customer and subject matter experts for hazard mitigation strategies, risk acceptance and hazard closure requirements- Developed and applied safety analysis tools and operational safety tools for automation of repetitive tasks to increase efficiency and accuracy- Provided system safety and software safety analysis training and mentoring to increase quality of work and productivity

San Diego, Ca

Software safety engineering lead for the RQ-4A, RQ-4B, KQ-X, MQ-4C, and RQ-4D autonomous unmanned aerial vehicle systems.- Lead and trained a team to complete a code level subsystem hazard analysis (SSHA) with reverse engineering of software design documentation from source code and schematics for a 1,000,000+ SLOC baseline, contributing to the first military type certification of a UAV- Performed system and software requirements safety analysis to identify and tag safety requirements to expedite a safety critical function thread analysis (SCFTA) on legacy software to meet a new airworthiness requirement, which contributed to certification - Peer reviewed software requirements, design, code, and test procedure reviews for safety critical functions- Peer reviewed system level test procedure reviews of safety critical functions- Provided and documented safety assessments of software change requests to assist software review board prioritization- Reverse engineered and documented low level requirements for DO-178 DAL A traceability and MC/DC testing- Co-authored new software safety analysis process work instructions, which contributed to a sector software safety manual- Performed project management activities, including cost, schedule, and proposals for multiple projects, developing repeatable and accurate basis of estimate templates with formulas derived from actuals, resulting in the elimination of re-work for proposal and change request estimates

Carlsbad, Ca

Safety critical software development, including requirements, design, real time embedded object oriented C++ language coding, and testing for medical devices.- Ported software subsystem applications between embedded hardware platforms to shorten development time for software re-use- Performed formal unit level testing and system level testing for certification- Wrote safety critical software to implement device alarm annunciation and alert display- Wrote low level device driver and valve control software

Stockton, Ca

Provided computer science department lab tutoring for students of "Introduction to Computer Science" and "Data Structures" courses which were instructed in object oriented C++ software principles.

Carlsbad, Ca

Software development for real time embedded systems, including C language coding and testing.- Ported a Real Time Operating System(RTOS) from a Motorola 6800 based system to an Intel 8051 based system for software re-use- Wrote windows application software to plot data for an agricultural irrigation control system- Wrote low level device driver and user interface software for a handheld gas detection system

Vista, Ca

Formal software testing for a critical care medical ventilator, including the development of testing tools written in object oriented C++ language, for 510(k) premarket submission to the FDA to demonstrate that the device to be marketed is as safe and effective.- Developed an automated documentation tool, automated unit test tool, and software for automated low-level hardware testing- Wrote and executed formal unit test and system test procedures