James Maurice
Catonsville,MD
Summary
Seasoned Linux System Administrator with over six years of successfully managing diverse and multi-site server installations. Proficient at streamlining all scales of system architecture, from single terminals to 4000 networked servers. Expert at maintaining and troubleshooting Linux-based hardware and software installations with dynamic performance in environments relying upon diverse operating systems. Have a strong background in CISCO IT ESSENTIALS, (A+). and also Red Hat Certified.
Clearance Held: Public Trust
Able to obtain clearances as applicable
Overview
7
7
years of professional experience
1
1
Certification
Work History
Linux/IAM System Engineer
Union Bank
Washington DC
01.2022 - 12.2023
- Monitored about 4000 Systems
- Supported infrastructure environment comprising of Red-Hat Enterprise Linux (RHEL)/CentOS 6 & 7
- Performed patching of RHEL using satellite
- Responsible for setting up users and service accounts in addition to monitoring users via Centrify
- Contributed to maintaining system documentation for example, updating and creating (Standard Operating Procedures) SOPs, and (System Security Procedures) SSPs
- Extensive knowledge of Bash and Python scripting
- Developed custom scripts for automating routine tasks, increasing overall productivity
- Resolved issues and escalated problems with knowledgeable support and quality service
- Resolved complex technical issues through effective problem-solving techniques and root cause analysis
Linux System Administrator
Yellowtail Tech
Silver Spring, MD
01.2021 - 01.2022
- Supported infrastructure environments which comprises of Red-Hat Enterprise Linux (RHEL)/CentOS 6 & 7
- Performed patching of RHEL using satellite
- Contributed to maintaining system documentation for example like updating and creating (Standard Operating Procedure) SOPs
- Changed permissions on Linux file systems
- Installed software, troubleshooted, diagnosed, and resolved hardware, software, and connectivity problems in accordance to the SLAs
- Bash scripting
- Created and serviced administrator and user accounts on Linux-based systems, managing multiple deployments via Centrify
- Stayed up-to-date on the latest developments in Linux technologies and best practices, sharing knowledge with team members to continuously improve processes and systems
Linux Administrator
NCI (National Institute Of Health - NIH)
Rockville, MD
10.2018 - 12.2020
- Supported infrastructure environments comprising of Red-Hat Enterprise Linux (RHEL) version 6 & 7 on about 1000 servers
- Created and serviced administrator and user accounts on Linux-based systems, managing over 100 deployments via Centrify.
- Performed patching of Red-Hat Enterprise Linux (RHEL) using satellite, spacewalk, and RPM
- Supported senior staff to ensure customer requirements
- Changed permissions of file systems
- Installed Software, troubleshooted, diagnosed, and resolve hardware and software and connectivity problems in accordance to the SLAs
- Used VMWARE to deploy, create snapshots, clones, and backups up servers before maintenance
- Storage management (creating swap file, creating block device with lvm)
- Creation and installation of new Servers
- Implemented infrastructure upgrade.
- Build Linux servers, user management, cloud patching and migrations
- Retired servers
- Ldap, Autofs, iscsi, nfs, samba and Active Directory
- Ipam, Centrify, collaborate, base knowledge, vSphere and deployment manager, cmdb
- Utilized a Ticketing and monitoring system such as SolarWinds and ServiceNow to document all reported problems and tasks
- Worked closely with development teams to optimize application performance through proper tuning of underlying Linux systems
- Participated in on-call rotations, providing prompt response to critical incidents affecting production environments (weekends and nights)
- Application level I, OS level III and hardware level II
- Patched system manager (reporting to technical and non-technical managers(VPs))
- AWA, s3, vpc, cloud formation template, elb, cloud trail, cloud watch, and etc.
- Established comprehensive disaster recovery plans that safeguarded valuable company data and ensured rapid system restoration in the event of a catastrophic failure
- Enhanced system security through regular vulnerability assessments and timely patch management
- Implemented effective monitoring solutions, allowing for rapid identification and resolution of potential issues before they impacted end users
- Collaborated with cross-functional teams to design and implement infrastructure improvements, leading to enhanced system stability
- Contributed to the successful completion of complex projects, providing expert Linux administration support throughout project lifecycles
- Created detailed documentation on system configuration and troubleshooting guides for reference by both internal staff and external vendors
- Developed custom automation scripts, significantly reducing time spent on routine administrative tasks
- Supported virtualization platforms, enabling efficient resource utilization within the IT infrastructure
- Provided technical guidance to junior team members, fostering a collaborative learning environment within the department
Linux System Administrator
Procore-Plus
Silver Spring, MD
11.2016 - 08.2018
- Supported infrastructure environment comprising of Red-Hat Enterprise Linux (RHEL) 6 & 7
- Performed patching of RHEL using yum and rpm
- Responsible for setting up administrator and service accounts
- Contributed to maintaining system documentation
- Implemented critical system patches
- Handled networking support
- Supported senior engineer to ensure customer requirements
- Changed permissions of file systems
- Installed Software, troubleshooted, diagnosed, and resolved hardware and software and connectivity problems in accordance with Service levels
- Opened ports using firewalld and selinux
- Used VMWARE to deploy, create snapshots, clones, and backups up servers before maintenance
- Storage management (creating swap file, creating block device with lvm, ISCSI, NFS and SAMBA)
- Performed set up and take down on a variety of systems and hardware components
- Packed and moved of computer equipment and peripherals
- Assisted with the installation of new Servers
- Implemented infrastructure upgrade.
- Ldap and Active Directory
- Stayed up-to-date on the latest developments in Linux technologies and best practices, sharing knowledge with team members to continuously improve processes and systems
Education
Technical Degree - Information Technology
Haiti Tech
Haiti09.2004
Skills
- Linux System administration (RHEL 6-8)
- Linux System administration (CentOS 6-8)
- Windows 10/8/7/XP/Vista
- LDAP, Windows Active Directory, NFS Autofs, Centrify, Samba-share
- Mariadb, Postfix
- DHCP/DNS
- TCP/IP, SSH, Telnet, switch, modem
- LAN, FTP, TFTP, MAIL, DMZ
- NAS, Switch, router, firewall, printer
- Http, samba, nfs, scsi, mariadb, firewalld, and etc
- Team Player, hardworker
- Ansible, vsphere, redhat satellite, bigfix, ipam, basic python, centrify, terraform and etc
- Troubleshooting
- Hardware and software installation
- System Engineering
- Technical Support
Certification
Red Hat Certified System Administrator (RHCSA) – Credential id 180-212-003
Timeline
Linux/IAM System Engineer
Union Bank
01.2022 - 12.2023
Linux System Administrator
Yellowtail Tech
01.2021 - 01.2022
Linux Administrator
NCI (National Institute Of Health - NIH)
10.2018 - 12.2020
Linux System Administrator
Procore-Plus
11.2016 - 08.2018
Technical Degree - Information Technology
Haiti Tech