Cristiane Epifanio
Network Security Analyst
Rio De Janeiro,Rio De Janeiro
Summary
Dynamic Network Analyst familiar with routing protocols, voice applications and network switching. Efficient at working independently or as part of supportive team. Versed in large data storage networks, voice/data innovations and VPNs. Extensive knowledge of network and hardware tools and Cisco Technologies resources. Goal-oriented and diligent with over 10 years of experience as Cisco Network Analyst in industry. Proficient as System Administrator offering more than 15 years of experience in Windows, Linux and Mac maintenance, helpdesk operations, and mobile device support. Applies technical expertise and diagnostic abilities toward solving problems and maintaining usability and performance.
Overview
16
16
years of professional experience
2
2
Certifications
Work History
Network Security Analyst
Self Employed | Freelance
01.2015 - Current
- Planning and implementing expansion and enhancement of IT infrastructure for clients, taking complete ownership from conception to production
- Experienced entrepreneur driven by self-motivation, with extensive knowledge of networking concepts, protocols, hardware, and infrastructure related to Cisco Solutions resulting in 80% connectivity increase
- Committed to providing fast and reliable customer service, with a track record of responding to client inquiries within 24 hours according to service level agreements (SLAs).
- Provided professional services and support in a dynamic work environment.
- Learned and adapted quickly to new technology and software applications.
- Excellent communication skills, both verbal and written.
Systems Administrator | Network Analyst
Eletronuclear (Arcadis Logos)
01.2013 - 01.2015
- Led production environments and data centers, equipping them with the proper level of resources to scale per business needs
- Created a highly efficient network topology and conducted meticulous asset and license inventory, resulting in a 40% reduction in inventory errors and a 20% decrease in overall network costs.
Systems Administrator | Network Analyst
Senac (Hybrid)
01.2012 - 01.2013
- Developed new network solution architecture with Cisco resulting in 90% connectivity increase across Company's Headquarters and 39 branches(+500 devices between Voip and Network)
- Implemented Core Catalyst 4510e and migrated 3COM network structure at headquarters, increasing asset availability and monitoring to 98%
- Led service provider team to replace outdated telephone systems, resulting in 95% reduction in service calls for connectivity issues and coordinated upgrade of dedicated link for entire Rio de Janeiro network, increasing network uptime by 95%
- Mentored interns, guiding and supporting them as they embarked on their professional journeys.
Network Engineer | Solutions Architect
Rede D’Or (Hybrid) Contract
01.2011 - 01.2012
- Fronted the successful segregation of the hospitals network Rede Dor and the laboratory network Labs D’Or, ensuring uninterrupted network performance and security within a strict timeline of 12 months
- Boosted network efficiency and productivity by developing and implementing topologies before and after the segregation, resulting in a 25% increase in network efficiency and a 15% reduction in process complexity
- Updated communication across multiple hospital sites by proficiently configuring Telephony VoIP on Cisco Call Manager versions 4.1 and 8.5, resulting in a 30% increase in communication efficiency
- Contributed to the growth of the Rede Dor network by activating 5 new hospitals, leading to a 20% increase in patient care and satisfaction providing exceptional remote support to field technicians throughout the project, ensuring prompt issue resolution and minimizing downtime to less than 5% of the entire project duration.
Network Engineer (Hybrid)
Vale (HP/NetService)
01.2009 - 01.2011
- Acted as an escalation point between the support team and engineering to identify and troubleshoot problems
- Analyzing, troubleshooting and testing highly complex systems, provided technical input in reviewing for LAN, WAN, and MPLS problem resolution at L1, L2, and Security levels in the Global GNOC, ensuring smooth network operations keeping the network uptime average of 98%
- Configured network assets to separate IT and Automation Technology networks, adhering to project timelines and requirements
- Troubleshoot WAN and LAN issues, including hardware failures and software updates, in Vale's network infrastructure across three states in Brazil: Southeastern of Brazil (RJ, SP, MG)
- This effort contributed to improved network availability while also providing recommendations for enhancements for +400 network devices
- Participated in local analyst network maintenance plan for production environments.
System Administrator | Network Administrator
The Notre Dame Congreg. Schools
01.2008 - 01.2009
- Designing and maintaining distributed systems with three computer labs with 150 computers and provided technical support to internal employees and + 3000 students
- Administered Windows 2000 and 2003 servers, Linux servers, and utilized tools such as Microsoft Active Directory, Squid Proxy, Firewall IPTables to manage network security and infrastructure
- Researched and evaluated emerging technologies to enhance the organization's information security policies and procedures.
Education
Computer Networking And Telecommunications
UniverCidade
Rio De JaneiroCyber Millions - Women CyberSecurity Society (WCS2)
Skills
- Network Performance Monitoring
- Network Troubleshooting
- Network Configuration
- Security Logs
- Network Security
- SEO/SEM
- Strong understanding of network protocols and services (TCP/IP, DNS, DHCP, IPVA, IPV6, Network segmentation using VLAN, and WLAN
- Expertise Systems Administration (Windows, Mac, Linux)
- Update content and website links for maximum optimization and search engine rankings Familiarity with WordPress
- Wireshark software
- Nagios monitoring software
Certification
- AWS Cloud Practitioner Certified
- ISC2 CC Certified
Professional Highlights
Results- Driven Network Security Analyst
Cisco Network Analyst Professional and Systems Administrator with over 15 years of experience in network analysis and IT infrastructure solutions. Proven track record of optimizing network performance and enhancing connectivity for clients across diverse industries. Recognized for consistently delivering exceptional results, driving efficiency, and reducing costs.
Volunteer Experience
June 2023, Women CyberSecurity Society (WCS2), General volunteering focusing on community engagement, WordPress security, and vulnerability scanning of websites for application vulnerabilities.
Languages
Portuguese
Native or Bilingual
English
Full Professional
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Quote
If the doors of perception were cleaned, everything would appear to man as it is: infinite.
William Blake
Timeline
Network Security Analyst
Self Employed | Freelance
01.2015 - Current
Systems Administrator | Network Analyst
Eletronuclear (Arcadis Logos)
01.2013 - 01.2015
Systems Administrator | Network Analyst
Senac (Hybrid)
01.2012 - 01.2013
Network Engineer | Solutions Architect
Rede D’Or (Hybrid) Contract
01.2011 - 01.2012
Network Engineer (Hybrid)
Vale (HP/NetService)
01.2009 - 01.2011
System Administrator | Network Administrator
The Notre Dame Congreg. Schools
01.2008 - 01.2009
Computer Networking And Telecommunications
UniverCidade
Cyber Millions - Women CyberSecurity Society (WCS2)
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