Margaret Leber Email & Phone Number

Malvern, Pennsylvania, Us

Making network management and measurement software for Rajant's InstaMesh® Kinetic Mesh® networks. Development Point of Contact for the LM3 BreadCrumb project...accountable for tracking the milestones of our product development and release process. Designed and implemented new management tool features to ease the installation and configuration of large InstaMesh® networks. Created a Rapid Deployment Tool for quickly bringing up a secure Instamesh network in a field expedient environment. Created a Initial Bulk Configuration feature for use in large deployments.Created LDAP/Active Directory authentication and authorization support for the mesh network state proxy. Added a remote proxy configuration capability and alerting and automated data collection triggered by anomalous network conditions. Implemented encryption at-rest for sensitive items in the proxy configuration. Packaged the proxy for deployment in Docker. Prototyped an Akka-based client for the state proxy. Created alerting, messaging and reporting support for the mesh network dashboard product. Engineered and implemented real-time extensions to the existing proxy-client protocol. Mentored an intern team while they developed and evaluated automated performance tests for a Rajant network management product running in a Raspberry Pi environment. Prototyped integrating Scala and Java apps as native code with product firmware. Produced subject-matter-expert tutorial videos for internal use. Wrote documentation for field engineers and customers on integrating Instamesh network nodes with third-party network management tools using SNMP. Developed expertise in tactical situational awareness software and its use in InstaMesh® networks with fixed, mobile and man-portable nodes, performing several prospective customer demonstrations

Philadelphia, Pa, Us

A key developer of Point.io's platform leveraging business process management, API orchestration and document-based collaboration using Scala and Play Framework technology. Integrated an open-source Business Process Management engine (Activiti) with Play to implement our workflow API. Developed and refined our cloud-based DevOps and development collaboration infrastructure. Implemented continuous integration with JIRA, Jenkins and GitHub. Mentored junior staff in automated testing and test-driven development techniques, software engineering best practices, the Scala language, ScalaTest and the Play Framework platform. Served as release manager for over 100 releases of our core server platform. Developed and implemented remote performance metrics and scalable load testing with metrics-scala, jMeter and JMX. Designed and implemented a data object store with a RESTful update, query and aggregation interface, backed by MongoDB thru ReactiveMongo, and a business process engine plug-in for the object store. Designed a prototype Akka-based framework for IoT sensor data collection and processing with embedded Drools and Scala rules engines. Successfully fulfilled a consulting engagement with an Agile Scrum development team on a very large-scale Scala/Play microservices e-commerce project.

Malvern, Pa, Us

R&D engineer, designing and implementing a MongoDB-based, cloud-hosted content management product for large-scale digital signage networks. Managed prototype system deployment into Amazon EC2 instance. Constructed a prototype WebSockets signage controller hosted in node.js.

Allentown, Pa, Us

Designed, implemented and supported a web-based operations control system for the Andesa high-performance computing infrastructure. This system manages work in a 24-node computing cluster running a high-value life insurance policy administration application. Designed and implemented role-based cluster operator authentication and authorization features to achieve SAS-70/SSAE-16 security and auditability compliance. Developed a transaction stream editing facility using Google Web Toolkit (GWT).

Us

New development and issue resolution on large-scale Struts-based web applications. Identification and remediation of Oracle JDBC performance issues, including developing software tools for diagnosis.

Designed and implemented a data model and Java desktop UI for TinyNet (a wireless IoT sensor network similar to ZigBee). This UI (running as a simulation with test data), served at the last minute as the core of a pitch to In-Q-Tel (the VC arm of the CIA)

San Mateo, Ca, Us

Designed, implemented and supported a web application for tracking customer technical support contacts with a textual product knowledge base, a web-service interface for integrated voice-response and call switching across a multi-site telephony network and a workload management dashboard. Supervised two developers as direct reports. Provided technical support to customers using our programming tool and mainframe emulation products. Completed training for Certified Netware Engineer (CNE), certified as Microsoft Product Specialist. Conducted training in internet technology for staff and customers. Technical support for OEM customers of database middleware products supporting ODBC, Java/JDBC and XML technologies for all major SQL RDBMS on Windows, Linux, UNIX, and IBM mainframe and midrange platforms.

Direct manager of a team of seven systems programmers supporting a large multi-site IBM mainframe network. Responsible for $1.5 million annual budget including software licensing/contracts. Supported two major data center consolidations, and design and testing of off-site disaster recovery plan. Managed two programmers supporting information services billing system, and operations automation. Interfaced graphics workstations to high-speed laser printers. Designed and implemented a FileNet document image system with robotic optical disk archive and workflow scripting. Administered automatic PC backup to mainframe archive. Led a project team of three in operating system migrations. Designed SQL applications using DB/2. Wrote custom router software and OS modifications for a DoD services contract. Maintained and enhanced network protocol conversion software. Interfaced PCs and other microcomputers to mainframes using file transfer and terminal emulation. Taught classes in PC hardware and mainframe interfacing. Installed programming tools and support issue tracking systems. Programmed and administered word processing and document management network.

Responsible for installation and support of IBM mainframe operating systems in a virtualized environment (VM/370 & OS/VS1). Configured and maintained networking, including interfacing the company's microprocessor-based word processor hardware product. Provided programmer training and consulting, and primary vendor technical liaison for software and hardware problem determination.

Enhanced and maintained locally modified networking software for a large IBM mainframe complex (NCP/EP). Maintained local modifications for interactive mainframe products. Provided APL and TSO consulting for internal users and Customer Support department.

Provided operating systems programming, DBA and technical support for a pharmaceutical manufacturing information system, including assembler language libraries and database interface layer. Designed and implemented automatic storage allocation system. Installed and diagnosed issues with IBM terminal network hardware. Vendor technical liaison for new mainframe installation. Planned and executed operating system migration to virtualized OS/VS1 and DOS/VSE under VM/370.

As Systems Programmer: Design and implementation of a retail banking network. Wrote applications and libraries in System/370 Assembler and COBOL As Junior Programmer: Maintained financial and banking applications written in COBOL. As Lead Computer Operator: Operated IBM System/360 mainframes.The secret word is "rutabaga".

Functional Programming Principles In Scala

Principles Of Reactive Programming

Rust 2: Intermediate Concepts

Rust Progamming Language Fundamentals

Education record

Ssl/Tls Fundamentals

Education record

Core Spring Framework Developer Training And Certification

Intermediate/Advanced Oracle 11G, Securing Java Web Applications, Hibernate

Netware V3.12 Administration And Advanced Administration, Service And Support

Advanced Function Printing

Ibm Operating System/Multiple Virtual Storage (Os/Mvs) Internal Structure And Design

Distributed Office Support System (Disoss) Design And Implementation

Os/Mvs Diagnostic Methodology

Operating System/Virtual Storage Implementation, Utillities, And Assembler

Ibm Virtual Machine/370

Structure Of Computers, Fortran (Credit By Examination)