Charles Andrews Sr
Odenton,MD
Summary
Responsible Network Technician with comprehensive experience scheduling conversions and cutover. Extensive experience monitoring, tracking, and evaluating global IT infrastructure incidents. Extensive experience with Oracle High Availability environments, implementation and management. Systems architect with expertise in requirement gathering and analysis, architectural, component and interface design and development for web-based applications in multiple domains. Professional, detail-oriented always motivated with hands on accessing new systems by following rules and policies SOP's
Overview
16
16
years of professional experience
1
1
Certification
Work History
System Administrator
ManTech International, Corporation LLC
10.2022 - 03.2023
- Having the software build environment close to the developers and engineers improved the speed in which enhancements and bug fixes were added into Solaris OS and delivered to customers.
- Consulted with internal customers regarding software development needs and designed suitable environments
- Support the customer project teams as a member of the Security Team · (SA) Duties could include: Perform regular audits of information Systems (IS)
- Review of system audit logs, compliance scan results, and other continuous monitoring reports.
- Re-accreditation and/ or reauthorization Assist with the evaluation of changes or additions to the IS within the facility
- Work with the ISSM to determine security relevance, and make Ensure the implementation of security measures in accordance with Agency policies and ISSM's guidance, to approval or denial to. the ISSM recommendations
- Identify and document any unique threats to the Information Systems
- Perform Periodic Risk Assessments of the Information Systems using Enterprise tools
- Register the IS with appropriate Organizational program/management offices Assist with the implementation of facility procedures and audits Provide general technical support to users and general system administrator support
System Administrator
ManTech International, Corporation LLC
02.2021 - 10.2022
- Desktop and related infrastructure support.
- Creating and managing virtual machines while working on VMware ESXi hosts are installed vCenter Server is running the networks are linking, the SAN is carved and the VMFS volumes are formatted let the virtualization begin! With the virtual infrastructure in place you as the administrator must shift your attention to deploying the virtual machines
- Understanding virtual machines it is common for IT professionals to refer to a Windows or Linux Systems running on an ESXi host as a virtual machine (VM). Strictly speaking this phrase is not 100 percent accurate Just as a physical machine before the installation of an operating system , a VM is a VM before the installation of a guest operating system (the phrase “guest operating system” is used to denote an operating system instance installed into a VM) From an everyday usage perspective though you can go on calling the Windows or Linux system a VM Any references you see to “guest operating system” (or “guest OS”) are instances of Windows Linux, or Solaris—or any other supported operating system-installed in a VM If a VM is not an instance of A guest OS running on a hypervisor then what is a VM? The answer to that question depends on Your perspective Are you “inside” the VM looking out? Or are you “outside” the VM , looking in?
- Examining virtual machines from the inside From the perspective of software running inside a VM a VM is really just a set of virtual hardware selected for the purpose of running a guest OS instance
- Given support to C2422 org When New interns request for new accounts Our Security Team will put in a Jira ticket Requests will be needed to permissions labs also request for access to the lab is made by the (SA's) Give support on active tasks request our Security Team will go to our vCenter Server VMware ESXi when needed to spin up the virtual machines For the purposes of developing for High Assurance Cryptographic device emulators and test tools We are requesting to gain access to PowerEdge's R630's in the Orchard lab
- During the time the system will be powered down to install more ram for the PowerEdge's will better preform and allow users to carry out the Their mission · once the upgrading of the ram when it's completed.
- Handled backup tape rotation and delivery to off-site storage.
- Replaced employee desktops with new servers.
- Maintained office server and network lab.
- Responded to internal customer tickets.
- Systems, infrastructure, and lab support for hardware engineers and software developers.
- Setup and maintained systems for hardware engineering teams.
- Server part replacements and repairs.
- Setup and maintained NFS mounted storage spaces and required backups to tape using NetBackup.
- Responded to internal customer tickets.
- Participated in on-call rotation.
Interlink Watch FLOOR
KEY W/ JACOBS Technology
11.2016 - 10.2020
- Provided help desk support for global, mission-critical systems
- Participated in on-call rotation.
- Lead a nine person help desk.
- Maintained internal website content.
- · Experience working with Red Hat (GLAVE)
- Monitor, and the ability to troubleshoot and maintain multiple systems working conditions properly implementing and interpreting including policies and guidelines with our SOP evaluation in both Windows and Linux platforms
- Covered swing and night shifts.
- Responded to internal customer tickets.
- Provided back-up support for the Tier 2 System Admins while monitoring the multiple system other than red hat older systems are unable to and to our capabilities , on the customer's products and production monitoring systems
- Provided help desk service utilizing IBM ticketing monitoring system
- Specialist on an engineering help desk support team network experience where the main platform is Linux
- Provided support to IT systems including day-to-day operations
- monitoring and problem resolution for the client server storage network devices, mobile devices, etc
- Provided Tier 1 and Tier 2 problem identification, diagnosis, and resolution of problems
- Provides support for the escalation and communication of status to agency management, and internal customers.
- Provided support for implementation, troubleshooting and maintenance of IT systems.
System Administrator
Sotera Defense Solutions, Inc
11.2016 - 11.2017
- Provided support to IT systems including day-to-day operations, monitoring and problem, resolution for all the client/server/storage/network devices, mobile devices, etc.
- Calculated account adjustments and uploaded data into the mainframe.
- Developed spreadsheet layout and macros using Lotus123 to make processing the data more efficient.
- This sped up the process of calculating corrections and uploading them into the mainframe.
- Provided Tier 1 and Tier 2 problem identification, diagnosis, and resolution of problems.
- Technical support for customer initiated trades using proprietary software.
- Troubleshooting client issues.
- Member of advisory committee for new GUI interface design.
- provided support for the escalation and communication of status to agency management, and internal customers.
- Provided support for implementation, , troubleshooting and maintenance of IT systems.
- (U//FOUO) SUNSCAPE will support NSA's goal of fully developing, and supporting Radio Frequency (RF) and cable communication collection capabilities for the extended cryptologic enterprise and provide SIGINT capabilities to the U.S. Military and its cryptologic partners.
- (U//FOUO) SUNSCAPE will support NSA's goal of fully developing, integrating, and supporting Radio Frequency (RF) and cable communication collection capabilities for the extended cryptologic enterprise and provide SIGINT capabilities to the U.S. Military and its cryptologic partners.
- Provided internal & external customer support when contacted from the customer's self- submitted tickets emails, IIMs, and phone calls for all Intelink services to ensure satisfaction and accurately documented the issue and resolution for the customer via Intelink's ticketing system ServiceNow.
- Assisted users who did not know the applications or technologies to determine problems or ascertain requirements.
- Researched answers to complex customer questions and issues, provided feedback and a clear, timely, and concise manner.
- Monitored and maintained local and cloud servers on government intranets to ensure around-the-clock system availability.
- Undertook additional responsibilities which included training and as well as assisting co-workers as needed, as well as proactively working to improve the work environment by updating documentation and automating activities where possible.
- Designed proactive preventive maintenance schedules to prevent unnecessary downtime and hardware faults.
Help Desk Specialist II Trusted Agent
Signature Government Solutions LLC
02.2009 - 02.2013
- Oversaw installations of new technology and new personnel training.
- Supervised daily configuration activities and business systems operations.
- Provided support for network infrastructure and baseline configurations.
- Used established procedures to identify critical customer and system issues and escalate problems to appropriate person or group.
- Privilege Trusted Agent, Local Registration Authority IA Service Desk PKI support team, provide support for from the ticketing system through Remedy; utilize secure ticket on our high end user's with their's with their PKI issues. Tier 2 Network team. Support End user's with their PKI, issuance and supports after been issued a Pin, from the Service Desk. The PKI Team works from the Remedy Ticketing system in the Queue. Support all customer's with any issues their having with the new certificates installed. Customers certificates failed to load correctly, IA Service will troubleshoot to resolved or tickets will be escalated to tier 2 for further support. Appointments are setup for the issuance of (U)/ Secret Certificates. Support is giving to the TA's in the field with PKI issues.
- Maintained phones for customer's support, following company's organizational policies.
- Support classified and unclassified PKI products.
- Interpreted, implemented and update processes and procedures for hardware and software platforms regarding the issuing and revoking of PKI products.
- Provided operational and maintenance support to users of PKI products
- Coordinated and prepared for independent PKI audits for the Registration Authority (RA), Limited Registration Authority (LRA), and Trusted Agents (TA)
- Optimized system operation and resource utilization to streamline workflows and processes.
System Administrator
Intelligent Decisions Inc
03.2007 - 02.2009
- Established network specifications and analyzed workflow, access, information and security requirements.
- Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
- Designed proactive preventive maintenance schedules to prevent unnecessary downtime and hardware faults.
- Served as subject matter expert on proposed technology purchases.
- Perform system migrations 2000 users to Windows XP expertise in setting up, configuring and loading the software, provided by the administration computers owners and with the customers onsite and off site location to install and given support t,o within 25 miles radios of the Big four, to configure by saving the users profiles, once the installs are completed a refresh is done this will move all the users profile to the new operation system by running our strips, the users will be giving a URL address to visits if the user's profiles failed and the users are unable to access their login. The refresh team will visit the users at their office to refresh the new install operation system and the SHO team run the configuring stripes, moving files, and saving the user's profiles the the users (U) Drive's for the migrations, to Windows XP.
- The SHO team job is to re-install the user's profiles with onto the new operating Windows XP.
- The responsibility as a Sub contractor through Eagle Alliance is to support install and keep Windows systems updated. Eagle Alliance supports all systems within 50 miles radios, and the migration process will be completed, and all issues resolved.
- Re-builds profiles if becomes corrupted. Reset, passwords if lock out. Upgrades and maintains operating systems and layered software in accordance with established IT polices and proceed to achieve optimum performance levels.
- Configured scripts with the CMU command line, saving the user's profiles, on the Windows systems before the old system is replaced.
- Resolved user's issues after the migration. All the personal data from the departing CPU on the old operating system were removed.
- Troubleshoot problems associated with users, after the loss of files from the migrations, working with different Domain and on the multiple network system.
- Rebuild profiles, if becomes corrupted after migrations.
Education
Defense Info Systems Agency CNSS Public Key Infras
DoD PKI Registration Authority Training
NSA Has Successfully Completed CNSS Loc Authority
05.2011
Associate of Arts - Computer And Information Sciences
BALTIMORE WORKS CAREER1101 North Eutaw Street 2120
1101 NORTH EUTAW STREET SUITE 10105.2005
High School Diploma -
BOYS HIGH SCHOOL
Street 832 Marcy Ave Brooklyn, NY 1120706.1972
Skills
- Customer satisfaction
- Data analysis
- Refining procedures for greater efficiency
- Documentation - Writing and updating procedures and generating reports
- Asset tracking
- System maintenance
- Troubleshooting software and hardware configurations
- Scripting - bash, kshPerl, Python, HTML, xmlServer Virtualization - OpenStack, OVM, LDOM, VMWare
- Unix - BSD, Solaris, RH Linux, CentOS, Oracle Linux
- Monitoring tools - Nagios, BMC Patrol, Ganglia, SunMC, OVM
- Storage and Filesystems - UFS, NFS, ZFS
- Windows NT, Windows 81, Windows 10
- LDAP, NIS, ActiveX
- Outlook, Excell, Word, Access
- Excellent problem-solving abilities
- System upgrades
- Network maintenance
- Network upgrades
- Refined system debugging skills
- Hardware and Software Installation
- File System Administration
- Specification Understanding
- Product Development
- Server Improvements
- Project Coordination
- Training and Development
- Technical Support
- Software change management
- Technical Writing
- Programming
- Hardware and software installation
- Program installations
- Offboarding and onboarding
Accomplishments
Reviews by Checking commands,
needed to navigate and utilize Secure Shell. File Transfer Agent/ Trusted Agents (TA)
Registration Authority (RA) Limited Registration Authority (LRA), General Knowledge and Troubleshooting GLAIVE. Glaive site locations, SIGADs Function of Glaive GUIs
Certification
- Self-motivated and articulate Unix Systems Administrator with a documented record of success in the monitoring and maintenance of Unix/Linux systems in 24x7 highly-available production environments. Known for excellence in identifying issues and utilizing automation and administrative tools to drive performance. Seeking an opportunity to drive server efficiency and minimize downtime for a forward-thinking company.
- Results-oriented Unix Administrator with [number] years of experience identifying technical issues and developing lasting solutions to drive data integrity and server availability. Offer excellent communication skills and the proven ability to collaborate cross-functionally with IT and project teams to execute wide-scale system upgrades.
Timeline
System Administrator
ManTech International, Corporation LLC
10.2022 - 03.2023
System Administrator
ManTech International, Corporation LLC
02.2021 - 10.2022
Interlink Watch FLOOR
KEY W/ JACOBS Technology
11.2016 - 10.2020
System Administrator
Sotera Defense Solutions, Inc
11.2016 - 11.2017
Help Desk Specialist II Trusted Agent
Signature Government Solutions LLC
02.2009 - 02.2013
System Administrator
Intelligent Decisions Inc
03.2007 - 02.2009
Defense Info Systems Agency CNSS Public Key Infras
DoD PKI Registration Authority Training
NSA Has Successfully Completed CNSS Loc Authority
Associate of Arts - Computer And Information Sciences
BALTIMORE WORKS CAREER1101 North Eutaw Street 2120
High School Diploma -
BOYS HIGH SCHOOL
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