Team Lead System Security
Resume:
WINDOWS ENGINEER/LINUX ENGINEER
Team Lead with Agile Environment
Technology:
Operating Systems: Unix, RHEL 6,7&8, Oracle Linux 5,6,7& 8, CentOS 6, & 7, Tanium Authentication Server, MacOS and Windows base systems, Oracle Database 18c.
Networking: Network (TCP/IP) Configuration in Linux, Firewall Setup, Troubleshoots, Network connectivity, System security and monitoring, LDAP, Active Directory
Software: VMware ESXi, Hyper-V, Vcenter, VSphere Client, VRealize Operation Manager, Microsoft Office Suite, Jira confluence, Appviewx, AppOne, Splunk, Smarstation 2.0, Autosys, Triage, MS Access Database, Active Directories and Domain Controllers – iLO4 Security Technical Implementation Guide (STIGs), Openscap, RSA Certificate Manager
Hardware: Hp Proliant 380 G8, Sparc T5120, T5240, T5440, Sparc M3000, M4000, M5000, Sun Fire V880, Dell PowerEdge VRTX, R720, R740, R520, M620 Servers (iDRAC8)
Application Server: Apache Tomcat, Glassfish, Imperva, Nagios, Scap-Workbench, Word-press, Apache Virtual Hosting, GitHub, Gitrepository, rsyslogd, mariadb.
Programming Language: Bash Script, Shell Script, Ansible (YAML), Visudo, Atom.io
Skills:
System security, monitoring, patching & Live upgrade
Password-less SSH and Kickstart expertise
Yum repository management and maintenance
Monthly query run on oracle database 18c (MySQL)
Manage firewalld on linux 6, 7 & 8 based systems
Patching systems, network configurations and network troubleshooting
Manage DNS server for enterprise environment with change mitigation
Expertise in patching and scanning systems
Create LVM, Esxi and Vcenter
Multifactor Authentication installation
Change Request Management (Pac2000, Service Now, Remedy, Jira, Rally)
Log management, directory collaboration, manage Firewalld, Chronyd, NFS (Network File System), ACL (Access Control List), LDAP, and SCP, SFTP services on Red hat and CentOS based system
Nagios system monitoring, security checks – Scap-Workbench expertise
Identity application, hardware/OS problem
Create and Manage Virtual machines on Esxi and Vcenter
Knowledge AWS including IAM policies, creating E2 instances and S3buckets update security group
Deployed OVF templates to ESXI host
Apache Virtual Hosting (Vhost)
User account management, Crond jobs, system processes and containers
Microsoft Office expertise
Software: Cognos and MS Office Suite including - Visio, Access, FrontPage, InfoPath, (ABAP - debugging)
Agile Tools: Confluence, JIRA, Rally, TFS
Languages: JavaScript, Visual Basic 6.0, Java2, Python (Beginner)
Bill Rating Tools: Omni, NetCracker, Connect, eCDR, PRISM, Vision
Databases Tools: Oracle, Vertica, SQL*Plus, SQL*Loader, Nexus, Teradata, Business Object, SAP S4 ECC HANA, MYSQL
Statistics Software: PHStat, SPSS
Website Development Tools: Active Control, ASP, DHTML, XML, HTML 4.0, CSS
PROFESSIONAL EXPERIENCE
Professional Summary
Highly motivated and detail-oriented Windows Administrator with 5 years of experience managing and maintaining Windows-based infrastructures. Proficient in Active Directory administration, group policy management, DNS, DHCP, and PowerShell scripting. Skilled in implementing and troubleshooting enterprise-grade IT solutions, ensuring system security, performance, and compliance with organizational policies. Adept at optimizing Active Directory environments for scalability, reliability, and security.
Materion, Mayfields Heights OH Jan 2024 – Present Sr. SYSTEM ENGINEER
Below is a sample resume tailored for a Windows Administrator with 5 years of experience, highlighting expertise in Windows Active Directory.
Technical Skills
Active Directory Administration: Domain management, user/group management, GPOs, FSMO roles, replication.
System Administration: Windows Server (2012, 2016, 2019), Hyper-V virtualization, IIS.
Networking: DNS, DHCP, VPN, IP subnetting, firewall management.
Automation: PowerShell scripting for AD tasks, process automation, and reporting.
Security and Compliance: Hardening Windows systems, implementing STIGs, patch management, and auditing.
Monitoring and Backup: SolarWinds, SCCM, Veeam Backup & Replication.
Collaboration Tools: Microsoft 365, Azure AD integration, Exchange administration.
Professional Experience
Windows Administrator
XYZ Corporation – [City, State]
Jan 2019 – Present
Managed a 500+ user environment, administering Active Directory, DNS, and DHCP to ensure optimal system performance.
Designed and implemented Group Policy Objects (GPOs) to enforce security, user access, and software policies across multiple domains.
Automated repetitive administrative tasks using PowerShell scripts, improving efficiency by 30%.
Conducted Active Directory health checks and resolved replication issues using dcdiag and repadmin.
Migrated legacy systems to Windows Server 2019, reducing downtime and improving reliability.
Implemented role-based access control (RBAC) to streamline permissions management and enhance security.
Managed FSMO roles, ensuring proper operation and availability of domain controllers across sites.
Monitored system logs and addressed authentication failures and account lockouts.
Key Achievements:
Spearheaded an Active Directory cleanup project, reducing orphaned objects by 40%.
Designed a secure VPN solution using Group Policy to enforce device compliance.
Improved backup and recovery processes by deploying Veeam Backup for domain controllers.
IT Support Specialist
ABC Solutions – [City, State]
May 2017 – Dec 2018
Provided technical support for 300+ users, resolving issues related to Windows Server, AD authentication, and GPOs.
Assisted in configuring and maintaining Active Directory accounts, including password resets, group memberships, and OU assignments.
Collaborated with the security team to implement account lockout policies and enforce password complexity requirements.
Maintained and monitored file and print services, ensuring uptime and performance.
Supported patch management and system updates using SCCM.
Key Achievements:
Reduced login issues by 25% through user training and proactive GPO refinements.
Documented troubleshooting procedures for recurring Active Directory issues, improving resolution time for the team.
Education
Bachelor of Science in Information Technology
University of Technology – [City, State]
Graduated: 2017
Certifications
Microsoft Certified: Azure Administrator Associate
Microsoft Certified Solutions Associate (MCSA): Windows Server 2016
CompTIA Security+
Projects
Active Directory Cleanup and Optimization: Conducted a domain-wide cleanup, consolidating OUs and removing stale objects, improving system performance and reducing administrative overhead.
PowerShell Automation Suite: Developed a suite of scripts for user provisioning, group management, and report generation, saving 10 hours weekly.
Disaster Recovery Testing: Designed and tested disaster recovery plans for domain controllers, reducing recovery time by 50%.
Soft Skills
Excellent problem-solving and troubleshooting abilities.
Strong communication and teamwork skills, collaborating effectively with cross-functional teams.
Proactive approach to learning new technologies and improving processes.
References
Available upon request.
This resume showcases the candidate's relevant experience, technical skills, and certifications, emphasizing their expertise in Windows Active Directory while maintaining a clear and professional layout.
EDUCATION
Master of Business Administration (MBA), 2009
GOLDEN GATE UNIVERSITY, San Francisco, CA
Bachelor of Science (Economics Minor: Mathematics), 2000
MORRIS BROWN COLLEGE, Atlanta, GA
PROFESSIONAL DEVELOPMENT
Programming Diploma, The Chubb Institute, Alpharetta, GA, 2001
CERTIFICATIONS
Red Hat Certified System (Processing), Administrator (RHCSA 8 - Processing), Ansible1 (Processing), AWS (Processing), CompTIA Security Plus (Processing)
Esirigho E. Otite
*.*******@*****.***
Contact this candidate