Darryl R. Walker

Cellular: 301-***-****

email: ad0fq8@r.postjobfree.com

Technical Summary

•Extensive Working knowledge of Oracle Cloud Infrastructure (OCI), Virtual Cloud Networks (VCN), Internet Gateways (IG), Network Security Groups (NSG), Security Lists (SL), FastConnect

•Working knowledge of Oracle Cloud Guard, Autonomous Databases, Block Volumes and

•Working knowledge and configuration of the Oracle Enterprise Resource Planning (ERP) Cloud Suite including Customer Relationship Management (CRM) and Human Capital Management (HCM), Cost, Pricing and Quote (CPQ) and Customer Relations (CX) within the Oracle NetSuite and Oracle e-Business Suite platforms

•Configures Site-to-Site VPN access to on-premises network using IPSec tunnel configuration

•Extensive Working knowledge of Amazon Web Services (AWS) Cloud using Amazon Elastic Compute Cloud (Amazon EC2), Enable multi-factor authentication (MFA) for the platform users. Creates or edits policies in the visual editor and using JSON and Identity and Access Management (IAM)

•Extensive working knowledge of Oracle Cloud Infrastructure (OCI) Identity Domain

•Extensive working knowledge of the management and administration of Window’s Active Directory (AD)

•Extensive working knowledge of System Center 2012 Configuration Manager (SCCM)

•Extensive working knowledge of Wireshark (Ver 1.4)

•Extensive working knowledge of the management and configuration of Cisco routing and switching devices

•Working knowledge in the configuration of LAN/WAN devices for client remote access including but not limited to (VPN over SSL, RADIUS, TACACS, Telnet, SSH, WebVPN, ping, tracert, netstat -a and nslookup)

•Working knowledge of Java (Java Development Kits version 7.x/8.x(JDK) and Java Runtime Environments (JRE))

•Has working knowledge and direct involvement in the network design and implementation

•Has working knowledge of the configuration and management of Web Application Firewall (WAF)

•Working Knowledge of Published Web Services using RESTful APIs

•Working knowledge of Solaris 10 and Red Hat Enterprise Linux (5.7/6.1), Windows Operating System Platforms and Debian

EDUCATION

•Bachelor of Science in Electrical Engineering (BSEE), Old Dominion University

•Associates of Applied Science (AAS) in Computer Information Systems, Stratford University

•Bachelor of Science in Computer Science (BSCS), Old Dominion University (Anticipated Graduation Date: 2026)

CLEARANCE: Public Trust

PROFESSIONAL EXPERIENCE

May 2023 – Present, Systems Architect, Data Technology Services LLC.

Deploys Apache Server on Oracle Linux 8.5 and Debian GNU/Linux 11

Configures Site-to-Site VPN for access to on-premise infrastructure

Creates/Modifies Identity and Access Management (IAM) roles is an identity you can create that has specific permissions with credentials

Creates, configures and manages AWS Virtual Private Cloud (VPC) and Oracle Cloud Infrastructure (OCI) Resources

Deploys gateways (ie. Internet, Direct Connect, Transit, NAT, Virtual Private, and Customer)

Adds CIDR block to VPCs using the console

Creates and modifies VPC policies and assign to roles using the AWS Identity and Access Management (IAM) service

Creates and modifies security groups to allow inbound and outbound traffic for access to EC2 instances

August 2022 – April 2023, Network Management Systems Engineer, TEKSystems, Inc.

Served as a technical member on projects that contain moderate to highly complex environments, utilizing high availability concepts

Developed and implemented project plans within budgetary, schedule and resource constraints

Collaborate with other members of the Engineering team in the development of technical design solutions

Captured, analyzed, decomposed and created requirements for network systems, products and subsystems of moderate complexity

Used interdisciplinary approach, focusing on customer needs and business requirements, to design, develop, document, test and maintain network systems ranging from the straightforward to moderately complex

Authored, reviewed and maintained documentation during all phases of the system design life cycle as appropriate and specified within documented process and procedure (Project Plans, Estimates, Requirements Documentation, Operational Scenarios, Design Documentation and Drawings, Sys Acceptance Test Plans, etc.)

Applied Security/Cybersecurity methodologies to network and systems design to provide secure services that support business requirements.

Provided post-fielding support, resolving operational issues involving L2 and L3 in a multi-routing network infrastructure

Adapted to changing priorities and maintain a productive and committed work effort, meeting deadlines and managing workload

Ability to use independent judgment to make decisions in day-to-day job responsibilities with little or no supervision

Possesses excellent communication skills with a demonstrated ability to articulate ideas in both business and technical terms (both verbal and written) -according to the audience, securing and sustaining their buy-in

Possesses ability to clearly depict and convey understanding of technical design using a wide range of design notations and artifacts, as applicable to the audience

Maintains attention to detail and experience providing solutions and implementing infrastructures requiring 100% availability

Possesses In-Depth Understanding of IP Networks, security and network management concepts

August 2021 – May 2022, Oracle Administrator, Astec Industries, Inc. Identity domain administrators can:

Manage users, groups, applications, system configuration, and security settings

Perform delegated administration by assigning users to different administrative roles

Enable and disable Multi-Factor Authentication (MFA), configure MFA settings, and configure authentication factors

Create self-registration profiles to manage different sets of users, approval policies, and applications

Manage IAM system configuration and security settings for an identity domain

customize the interface, default settings, notifications, and the password policies, configure Multi-Factor Authentication (MFA), and manage the Microsoft Active Directory (AD) Bridge, Provisioning Bridge, identity providers, and trusted partner certificates

Manage applications. Application administrators can create, update, activate, deactivate, and delete applications. Application administrators can also grant and revoke access to applications for groups and users

Manage users, groups, and group memberships for an identity domain

Subscribes and activates PaaS, IaaS, and SaaS to meet service level objectives for customers based upon category level

Manage all users or users of selected groups in an identity domain. User managers can update, activate, deactivate, remove, and unlock user accounts. User managers can also reset passwords, reset authentication factors, and generate bypass codes for user accounts

May 2021 – January 2022, Technical Solutions Consultant, Micro Focus, Inc.

Prepares CPE case submittal issues requiring so we can submit a case with the labs. Executes troubleshooting techniques in order to investigation and root cause analysis of case details can determine core problem of the software application and identify possible resolution

Communicate with customer to convey if a work around solution or apply permanent resolution can be applied. Leverages Operations Bridge Manager (OBM) to effectively identify, prioritize, and resolve events for customers

Creates custom event dashboards to satisfy customer information requirements. Configures and assigns monitoring to configuration items using monitoring automation via console or Command Line Interface (CLI)

Manages OBM user access and permissions via console or Command Line Interface (CLI). Creates and tunes OBM notifications via console

Utilizes OBM internal tools to automate routine tasks. Deploys and Installs Operations Agent on Windows and Linux operating systems-based nodes

Setups and configures agentless or agent-based nodes

Downloads software license from vendor software support portal in order to deploy and install permanent or seated licenses for software products

Leverages shell scripting and other scripting languages such as Perl, JSON, JavaScript and Python to administer and manage OBM software application functionality

Creates, modifies and deploys security policies to restrict access to specific users in Oracle Virtual Cloud Network

September 2019 – May 2021, Oracle Could Infrastructure (OCI) Administrator, Data Technology Services LLC

Manages and administers Oracle Enterprise Resource Planning (ERP) Cloud and VCN objects within customer’s Oracle Cloud Infrastructure (OCI) using the OCI Console

Creates and deploys components including Public/Private Subnets, Internet Gateways (IG), NAT Gateways (NAT), Service Gateways (SG), FastConnect, VPN Connect, and Edge Services within a Virtual Cloud Network (VCN)

Configures secure connectivity within your VCNs with other private or public networks. Enable Remote Desktop Protocol (RDP) access to the Windows instance and connect to a running instance using a Secure Shell (SSH)

Applies Identity and Access Management (IAM) policies to resource groups within the root and compartmental tenancy using IBM Tivoli Directory Server (TDS)

Configures Federation between Microsoft Active Directory using Microsoft Active Federation Services (AD FS) and Oracle Cloud Infrastructure (OCI) while using the IBM Tivoli Directory Server (ITDS, TDS)

Deployed Fusion Middleware web center sites by installing and configuring ITDS and other software applications within the Oracle ERP Cloud suite

Installs and configures SAP NetWeaver 7.0 on Windows Data Center Server

Leverages Oracle Transactional Business Intelligence (OTBI) to create, delete, edit and manage dashboards for data analysis using Business Intelligence (BI) Composer Wizard

Creates, Edits, Submits and Monitors Oracle Service Requests (SRs) via ‘My Oracle Support’ portal

Approves/Disapproves Pending Support Identifier Requests for user access to create, edit, submit SRs as well as download software or patches

Uses integrated PowerShell to administer and execute system copy migration to a new database

Leverages the web-based User Management Engine (UME) administration console to manage and administer users, roles, and authorizations locally

Creates requirements documents in support of the OCI Migration project where the Disaster Recovery (DR)/Business Continuity Center (BCC)

Creates, Maintains and Manages OCI Exadata Services using security access in a policies and REST APIs

Configured F5 Load Balancer for SSL Offloading within the LTM in order to properly inspect HTTPS traffic to identify and manage JVM user sessions (i.e., JSESSION) using iRule feature settings to maintain application session persistence. Managed AS networks using BGP

Configured F5 Load Balancer for CA certificate authentication to secure the client-side HTTP traffic

September 2019 – May 2021, Amazon Web Services (AWS) Solutions Architect, Data Technology Services LLC

Provisions scalable computing capacities in the Amazon Web Services (AWS) Cloud using Amazon Elastic Compute Cloud (Amazon EC2)

Enable multi-factor authentication (MFA) for the platform users

Creates or edits policies in the visual editor and using JSON within the visual editor

Imports or attaches managed policies to grant functionality or define specific permissions to user or resource within the Identity and Access Management (IAM) dashboard

Deploys Amazon Virtual Private Cloud (Amazon VPC) in a default network within the AWS cloud

Use LightSail utility to create Windows and Linux instances for deployment within a particular AWS Region and Availability Zones

Deploys Instances, Databases, Storage and Network Devices for user connectivity

Uses Remote 53

Creates and modifies policies for IAM roles to assign specific permissions for access to AWS resources and services

Uses Amazon LightSail to create the following:

(1)IPv4 firewall rules

(2)Static IP

(3)Domain Assignment

(4)DNS Zone

(5)Register Domain

(6)Snapshots of Instance(s)

January 2020 – January 2021, Oracle Could Infrastructure (OCI) Administrator, TEKsystems, Inc.

Manages and administers Oracle Enterprise Resource Planning (ERP) Cloud and VCN objects within customer’s Oracle Cloud Infrastructure (OCI) using the OCI Console

Creates and deploys components including Public/Private Subnets, Internet Gateways (IG), NAT Gateways (NAT), Service Gateways (SG), FastConnect, VPN Connect, and Edge Services within a Virtual Cloud Network (VCN)

Configures secure connectivity within your VCNs with other private or public networks

Enable Remote Desktop Protocol (RDP) access to the Windows instance and connect to a running instance using a Secure Shell (SSH)

Applies Identity and Access Management (IAM) policies to resource groups within the root and compartmental tenancy using IBM Tivoli Directory Server (TDS)

Configures Federation between Microsoft Active Directory using Microsoft Active Federation Services (AD FS) and Oracle Cloud Infrastructure (OCI) while using the IBM Tivoli Directory Server (ITDS, TDS)

Deployed Fusion Middleware web center sites by installing and configuring ITDS and other software applications within the Oracle ERP Cloud suite

Creates requirements documents in support of the OCI Migration project where the Disaster Recovery (DR)/Business Continuity Center (BCC)

Creates, Maintains and Manages OCI Exadata Services using security access in a policies and REST APIs

Configured F5 Load Balancer for SSL Offloading within the LTM in order to properly inspect HTTPS traffic to identify and manage JVM user sessions (i.e. JSESSION) using iRule feature settings to maintain application session persistence

Managed AS networks using BGP. Configured F5 Load Balancer for CA certificate authentication to secure the client-side HTTP traffic

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