Cissie

IT Infrastructure Engineer& cisco certified network associate
Female34 y/oSolutionLive in United KingdomNationality United Kingdom
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Summary

Experienced Infrastructure & Technical Support Specialist with over 5 years of expertise in IT infrastructure, systems engineering, and consultancy. Proven success in managing complex IT environments and resolving 3,450+ technical issues for 1,165+ global users across Poland, China, Canada, the UK, and the US. Skilled in server administration, virtualization, and networking, with proficiency in monitoring tools and storage/backup solutions. Demonstrated leadership in establishing service desks and driving operational excellence. A Cisco Certified Network Associate (2024), currently pursuing AWS Cloud Practitioner certification and preparing for the ISC2 Certified in Cybersecurity exam. Known for rapid career progression, consistently promoted within 6 months in previous roles.

Work experience

IT Infrastructure Engineer& cisco certified network associate

Ctalk ltd.
2023.04-2025.01(2 years)
Server Administration: Expertise in managing Windows Server (2008–2022), HPE ProLiant, and Linux (RHEL, CentOS, Ubuntu). Proficient in Active Directory (AAD, Entra, LDAP), Group Policy, and secure domain controller migrations. Virtualisation & Cloud Infrastructure: Proven experience with VMware, Hyper-V, AWS, Azure, and SCCM for system management, software deployment, and patching. Networking & Security: Advanced knowledge of TCP/IP, DHCP, DNS, VPNs, and firewall management (Cisco & Fortinet). Infrastructure & Data Management: Hands-on experience in physical and virtual server deployment, data integrity management, and backup solutions across multiple data centres. Monitoring & Storage Solutions: Expertise in PRTG, Zabbix, Grafana, LK (Elasticsearch, Logstash, Kibana) Veeam, HPE, and SAN/NAS for performance monitoring and storage solutions. Helpdesk Management: Experienced in setting up and managing service desks using Jira Service Management and Spiceworks, driving operational efficiency and support excellence. Compliance & Reporting: Contributed to maintaining ISO 27001 and PCI- DSS accreditations through regular compliance reporting and audit preparation.

IT Support Engineer

CRRC Times Electric UK Innovation Centre (TEIC)
2021.06-2023.04(2 years)
Deployed and troubleshooted PRTG network monitoring. Provided 1st-3rd line support for infrastructure, networks, and systems. Administered Windows Server (2012–2019) and Exchange (2013 & 2016). Configured and secured Windows 10 desktops with Office. Set up Helpdesk using Spiceworks and Jira Service Desk. Resolved hardware, software, and network issues. Managed access through Active Directory and Exchange. Upgraded Ansys CAD 3D tool for engineering. Directed UAT for intranet project with Singapore supplier. Rebuilt asset management for better tracking. Collaborated with HQ in China on network separation.

Desktop Technical Support Analyst

Acturis Ltd.
2019.08-2021.06(2 years)
Desktop Technical Support Analyst • Hardware/Software troubleshooting, maintenance and repair. • Microsoft Windows Server 2008 to 2019 management. • Microsoft Office Applications 2008 to 2019 daily maintenance. (Office Suite, Exchange Server etc.) • Maximise systems management using Microsoft System Centre Configuration Manager (SCCM) • Troubleshooting and diagnostic experience via logs and reports • Create and manage domains, users, and objects using Active Directory, Footprint, Testrail, Remote Access Tools, Hyper-V & Failover Manager. • Providing internal and external support using Atlantics Products (Jira Service Desk, Bitbucket, Confluence) alongside with Redmine. • Data security management using RSA security and SQL Server management.

IT & Maths Learning Consultant

Q3 Academy - Great Barr
2015.03-2019.08(5 years)
Monitor, assist, exam & provide structured learning activities to identified learners for maths and further maths enrichment intervention for Key Stage 3, 4 and 5 students. Successfully improving student’s grade by 53.6%. Organise rewards, achievement certificates and information letters for parents/carers & evaluation and production of resources. Identify, in association with PLD’s and academic leadership team, those students who would benefit from academic mentoring. Mentor and assist target students who are under-performing academically on a personalised 1-to-1 basis. For the group I teach: 85% of the students have improved their grade in a 2 week period and 3 of the students have successfully achieved 100% in the assessments. Therefore, the average result has improved by 28% in a month long period.

Educational experience

Birmingham City University

Maths Subject Knowledge Enhancement Course (SKE)
2014.02-2014.08(7 months)
Education

Coventry University

Mathematical Science
2010.07-2013.07(3 years)
Bachelor of Science

Languages

English
Native
Chinese (Mandarin)
Proficient

Certificates

CCNA
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