location
Chesapeake, VA
Clearance
Active Secret
About ME
$ whoami
Energetic and creative certified IT professional with broad knowledge in servers, network devices, and workstations. Involve in securing, designing, testing, troubleshooting, and developing business IT infrastructures.
- Creative
- Realiable
- Team Player
My Collections
My Skills
Work History
Systems Engineer
GDIT & Booz Allen Hamilton
Suffolk, VA (07/2021 - Present)
- Provide technical support and expert advice for the Joint Staff and their multi-national mission partners.
- Implement DISA Security Technical Implementation Guide (STIG) requirements, and maintain systems in accordance with the requirement of the Risk Management Framework (RMF).
- Implement and manage Windows-based Public Key Infrastructure (PKI) in a DoD environment, including generation of certificate requests and installation of issued certificates.
- Develop, manage and maintain ESXi Clusters, Mail Exchange, SQL Database, SharePoint servers, XMPP servers, Domain Controllers, security appliances as well as federation server.
- Develop, refine, document system administrator standard operating procedures.
Maritime Operations Center Technician
Peraton & Apex Systems
Norfolk, VA (06/2019 - 07/2021)
- Provided technical support for the US Navy, and Marine Corps, including VIPs.
- Administered repairs, upgrades, patches, and complete configuration of systems.
- Responded to high-priority trouble tickets quickly and provided high-quality service to meet service level agreement (SLA).
- Generated PowerShell scripts to resolve end-user issues and automate common tasks to increase productivity.
- Handled hardware/software issues and determined the root cause to ensure a 100% problem resolution.
- Participated in meetings and worked with the team to improve and develop a strategy for providing exceptional service to the customers.
Information Technology Specialist
TegraGlobal
Norfolk, VA (06/2017 - 06/2019)
- Responsible for monitoring, upgrading, and troubleshooting highly available servers and business applications such as Domain Controllers, Hyper-V, File/Print server, DNS, DHCP, PBX, VPN, and Web Servers.
- Worked with the team on designing IT infrastructure and providing solutions for the company.
- Managed and configured network devices and security appliances.
- Provided on-site and remote support to end-users, including managers and C-level executives.
- Created and managed user permissions, distribution lists, and security groups in Active Directory and Microsoft Office 365.
Education
2020 - 2020
Western Governors University
Bachelor of Science: Cybersecurity and Information Assurance
2012 - 2017
Tidewater Community College
Associate of Applied Science: Information System Technology
Certifications
Systems Security Certified Practitioner (SSCP)
ISC2 (09/2020 - 09/2023)
Microsoft Certified Solutions Associate (MCSA) Windows Server 2016
Microsoft (11/2019 - No Expiration)
EC-Council Certified Incident Handler v2 (ECIH)
EC-Council (08/2020 - 08/2023)
EC-Council Certified Encryption Specialist v2 (ECES)
EC-council (07/2020 - 07/2023)
CompTIA Security+
CompTIA (07/2016 - 07/2025)
CompTIA Linux+
COMPTIA (07/2022 - 07/2025)
CompTIA Project+
CompTIA (07/2020 - No expiration )
CompTIA A+
CompTIA (01/2016 - 07/2025)
Testimonials
“Even though this is only a six-month reporting period, Sherwin has quickly grasped the many technical facets associated with managing and maintain nine networks supporting Joint and Multi-national partners and is the lead administrator for two of the nine networks. He has met every dynamic challenge with professionalism, dedication, and expertise. He has excellent customer interaction skills and quickly resolves issues as they come up. I value his technical experience and knowledge and rely on his advice when addressing the many challenges associated with this contract. He has my complete trust. As our team moves forward into new technical domains associated with systems architecture/engineering and cloud technology, I will rely on Sherwin to continue expanding his professional knowledge and provide expert advice and leadership to the team and the customer as we move forward.“
-Timothy Kalvoda
Project Manager and Engineering team lead at GDIT
“I enjoyed my time working with Sherwin and came to know him as an invaluable asset to any team. He is intelligent, highly-skilled and his work ethic is unparcelled. Beyond that, he is an impressive facilitator who is always a bridge between IT professionals and other business units. His ability to learn new technologies is impressive & his professional curiosity is insatiable. Along with his undeniable talent, Sherwin has always been an absolute joy to work with. He is a true team player, and never shrinks from a challenge. Without a doubt, I confidently recommend Sherwin to join your team. As a dedicated and knowledgeable professional, I know that he will be a beneficial addition to any organization.”
