SUMMARY

• 10 years’ experience in Linux Administration, Cloud Computing, and Cybersecurity Engineering, Policy, and Compliance
• A Cyber Security Master’s degree holder with knowledge and experience of Denial of Service Attacks, Malware Analysis, Packet Capturing Analysis, Threat Analysis, Business Impact Analysis, Incidence Response, Disaster Recovery, and Intrusion Detection/Prevention Systems
• Participated in a highly selective and intense 3 - week business program taught by MBA faculty, providing in-depth introduction to accounting, finance, managerial economics, marketing, and strategy
• Conducted a team-based market assessment analysis of Warby Parker, which entailed projecting future earnings, building a DCF analysis and presenting results to investors and business professionals

TECHNICAL SKILLS

Software platforms OS: Linux (Red Hat, CentOS, Ubuntu, Solaris, Debian, Fedora, Kali-Linux), Gitlab, Github, Citrix Xenserver, Mysql server 5.x, Sendmail/Exim, Mysql Cluster, Apache, Nginx, Load balancers, Nagios, Splunk, Graphana, Mysql Percona, MongoDB, Windows 2012/2016

Networking technologies: Ipv4, DNS-Bind, DHCP, LDAP, SSO, Identity Management, Iptables, Firewalls, Palo Alto, SSH/SSL, ha-proxy, Samba, NFS, FTP, OSPF, VTYSH, Quagga, VPN, OpenVPN, SNMP, Security Groups, WAN, LAN, OSI- Model, VLAN, RDP, Network/Port Address Translation (NAT/PAT), Access Control List (ACL), CIGRP

Other Applications/Database/Security Services: Jira, Confluence, Nagvis, WINSCP, Putty, vSphere, Jenkins, Microsoft Office, Shinken, FileZilla, MSSQL Server, JBOSS MSSQL Server, JBOSS, Domain Controller, Failover Clusters, Network Loadbalancer, Docker RAID Systems, NETCA, TNS/Listener, Oracle, RMAN, Import/Export, Burp Suite, Maltego, Nmap, OpenVAS, Vega, DMitry, DNSenum, Metasploit, Armitage, Msfvenom, Tcpdump, Wireshark, Nessus

Language/Automation: Bash Scripting, Python, AWS-CLI, Ansible, Ansible Heat Stack, Perl (recently started learning)

PROFESSIONAL EXPERIENCE

Confidential

Site Reliability Engineer (SRE)

Responsibilities:

• Responsible for training Tier-1 SREs on the engineering, management, and day to day operations of the SOC
• Primary service owner of the monitoring systems including Nagios Monitoring
• Experience in Agile environments with a focus on CI/CD pipeline including leading Scrum meetings
• Nagios server installation, deployment of NRPE clients and Nagios Plugins to workstations and hosts that are being monitored, and continuous GUI work to ensure services are working and integration with Mattermost notification
• Automated the installation of Nagios server and NRPE clients using Ansible
• Windows Active Directory, domain controller, DHCP, and DNS manager: creating users or security groups, granting user privileges, updating and creating DNS records sometimes with windows PowerShell script.
• Deployed servers and database clusters using Ansible Heat Stack
• Automated installation and configuration of servers, applications, services, and deployed scripts to servers and workstations using Ansible
• OpenStack cloud environment: creating servers, block storages, user creation and privileges
• DC/OS: managing services and jobs, user/groups/service accounts privileges, monitoring nodes
• Gitlab: pulling and pushing projects from different Gitlab environments to others; Git user creation and account management
• Installed and configured OpenShift cluster
• Created and configured secure routes for OpenShift apps and services; created users and projects and integrated OpenShift with Active Directory using LDAP
• Managed containers and pods in OpenShift and Docker UCP including scaling resources up/down
• Configured Dnsmasq for OpenShift wildcard DNS resolution
• Centralized logging experience monitoring and pulling data with Kibana and Elasticsearch.
• Creating and exporting Elasticsearch indices from ELK stack
• Creating, pulling, and pushing docker images in multiple environments
• Created Jira projects and managed Jira security groups and users; User and dashboard creation
• NextCloud installation, user creation, and uploading and downloading files on and off
• Semanage ticketing experience
• Deployed Matomo analytic tool used to monitor traffic to multiple sites
• Nexus Repository management for adding repos in a controlled environment
• Experience with OpenStack Command line and troubleshooting Windows and OpenStack servers
• Mattermost installation with Nginx proxy and MySql database, creating and managing Mattermost and user accounts. Creating backups, taking snapshots, sometimes migrating it to other environments
• Created aliases and deployed them to new environments with ansible
• Managed Jenkins server and resolved issues with failed builds
• Experience with Redis server cluster installation and troubleshooting
• Proficient in OpenStack services Compute, Identity, Networking, Block Storage, etc

Confidential, Chicago, IL

Automation Engineer

Responsibilities:

• Build and compile RPMs using developers’ code (code written in python, robot, JSON)
• Wrote bash scripts to automate building RPMs from source and developers’ code
• Experience administering Jenkins: creating users, builds, credentials, and configuring Jenkins jobs
• Configured Jenkins and Docker based builds in AWS for Continuous Integration and Development of RPMs
• Integrated GitLab into Jenkins to automate the code checkout process
• Wrote Jenkins script and configured Jenkins jobs to automate building and testing of RPMs after every code update
• Troubleshoot build issues in Jenkins
• Managed Gitlab projects and codes, including branching and tagging, Git pushes and pulls

Confidential, Rockville, MD

DeVops Engineer

Responsibilities:

• Managed 400+ Linux servers in production for trains and buses
• Built 2 Q &A and 1 production environments on Amazon Web Services including a Windows and Linux Failover Clusters; the servers host applications such JBOSS, SQL and MySql databases, MongoDB, HTTP, docker (50 Linux servers and 12 windows servers)
• Configure Domain Control and Active Directory with users and office computers and servers for cluster environment
• Proficient in AWS services like VPC, EC2, S3, ELB, RDS, IAM, CloudFormation, Route 53, CloudWatch, CloudFront, CloudTrail
• Audited and hardened SSH access on all servers
• Created Splunk Dashboards to monitor CPU Performance, Peak, Memory Leakage
• Utilized Splunk to filter unwanted data in heavy forwarder level to reduce license cost
• Prepared, arranged, and tested Splunk search strings
• Performed log analysis using Splunk
• Created Splunk Dashboards to capture Authentication breaches across applications
• Installed SQL database and web applications (HTTP/HTTPS/SSL) on AWS
• Installed OpenVPN to ensure internal login to AWS servers for administrators and necessary users
• Installed quagga and configured OSPF/VTYSH to enable Linux server act as router
• Allowed external access to AWS servers using PAT on a single IP address
• Installed and configured GIT as a version control tool for all project configuration files on the Central Control Units on trains and buses
• Configured Rsyslog on all servers to forward to a central log server
• Ensured backup and snapshots are taken periodically for all servers including those on AWS
• Installed and configure several Linux and Windows servers on VMware, XenCenter, Oracle Virtual Box
• Configured LDAP on Linux servers with use of autofs
• Set up and managed VPCs with security groups for each zone and particular operating systems
• Setup and attached EBS volumes to Ec2 instances
• Created AMI images of Ec2 instances for backups and migration to other AWS zones
• Configured SNMP to send alerts to PRTG alongside CloudTrail monitoring
• Created Amazon S3 with life cycle, versioning, and ACL
• Utilized CloudFormation to automate installation and configuration on AWS
• Set up auto scaling on DynamoDB, create an IAM, users, groups and assign permission as needed
• Set up CloudWatch to monitor billing

Confidentia, Largo, MD

Linux Engineer/Oracle DBA

Responsibilities:

• Managed various Network related tasks such as TCP/IP, NFS, DNS, DHCP
• Set firewall rules to accept on particular ports and IP addresses as well as NAT rules for forwarding
• Installed Oracle and SQL databases and System Performance Tuning for SQL
• Set up standby database and RAC environment to ensure high availability for Oracle databases
• Configure NETCA/TNS/Listener to ensure Oracle database can communicate with each other and are accessible by users
• Utilized RMAN to take backups, restore databases; also imported and exported data into databases
• Experience with enterprise manager, Automatic Storage Units (ASM), and RAID for database backup
• Involved in the migration of 350+ servers to AWS using Racemi
• Experience with Web Hosting Administration, HTTP, FTP, SSH
• Installed and upgraded softwares, configuration management, troubleshooted connectivity issue regarding SSh, and network problems
• Managed shared NFS files system mounting and unmounting NFS server, NFS client on remote machine, sharing remote file folder, starting and stopping the NFS services
• Installed and Configured Apache Web Server
• Implemented security measures blocking unnecessary ports and restricting user's remote logins
• Performed KickStart installation of servers for Linux servers
• Maintained various level of documentation and coordinate with change management
• Set up new laptops (Windows, Linux, Mac)
• Possess good knowledge on GIT repository and version control systems
• Experience in managing various Network related tasks such as TCP/IP, NFS, DNS, DHCP
• Experience with network administration (OSI layers, multicast, routing, switching, physical network design, bonding, TCP/IP, packet processing, VLAN configuration/ IP interfaces, Trunks, VPN setup).
• Jira and Confluence administration
• Installed and upgraded RPM and Yum packages, and other server management periodically
• Experience in integrating Nagios with other monitoring and alert solutions for the server disk management
• Possess knowledge and understanding of effective ticket tracking system use
• Configured, implemented, and troubleshooted access lists and firewalls
• Installed and configured DenyHosts and Lynis

Confidential

Linux System Administrator/Project Coordinator

Responsibilities:

• Installed and repaired all pc hardware and laptops used at the center during shoe making project
• Conducted the disk partitioning for all the physical and virtual machines utilized during the project
• Installed and configured Samba and NFS
• Administered and created new users, groups, and secured access and restrictions to files and directories for staffs and students at the center using active directory
• Installation, tuning, and troubleshooting in various applications servers such as Apache and Tomcat
• Configured, administered, and maintained network devise (routers, firewalls, and switches), network segmentation, network security, and network monitoring
• Experience with access control administration, file system mountings, fire wall policies (IP tables) and troubleshooting common Linux and Windows issues