Marcin Boy

Experience

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  Voluntary, Work Experience, Self Employed

  May 2000 - Jan 2013

  IT Technician, 1st/2nd Line Support Analyst ( Voluntary, Work Experience, Self Employed )

  • Supporting over 200 users over the phone and face to face; troubleshooting hardware and software issues• Installing and resolving issues with operating systems such as Linux Red Hat, Ubuntu and Mandriva, Windows ME, XP, Vista and 7• Upgrading hardware such as graphic cards, CPUs, HDDs, RAM, PSUs and motherboards • Performing system and software upgrades including migrating users files and profiles for Windows XP to Vista, Vista to Windows 7, migration using USMT or Windows Easy Transfer• Ensuring Windows systems are working correctly by applying patches and installing drivers as well as scanning for viruses• Configuring Windows systems including adding users using control panel, permissions, installing programs such as MS Office 03,10, Adobe Photoshop, Reader Show less

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  GSM London

  Feb 2013 - Apr 2013

  1st/2nd Line IT Support Analyst

  • Supporting over 1,500 students including 3 computer labs with 125 computers for students and staff with IT related issues such as printing, software and also passwords• Using the service desk plus (Manage Engine) ticketing system to log and resolve issues over the phone as well as email and escalating when required• Working with Campus Technology Support (CTS) team in an ITIL environment to manage the helpdesk efficiently and effectively helped developed my problem solving skills • Performed troubleshooting on desktop Pc’s, notebooks, IP-Phone setup, printers as well as installing hardware peripherals• Installing and troubleshooting Windows 7, XP, Microsoft Office, VNC and TeamViewer as well as resetting passwords through active directory • Using Windows Server 2003/2008 and Active Directory to add new users and provide the necessary permissions as well using Microsoft Outlook and Exchange• Re-imaging Pc’s using Clonezilla and providing remote desktop support using Win VNC• Troubleshooting PC hardware such as Motherboards, Cpu’s, Memory, Psu’s as well as upgrading PC components Show less

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  Rackspace, the #1 managed cloud company

  May 2013 - Aug 2017

  Enterprise Network Security EngineerExamples of my duties include; • Cisco ASA & ASA-X Firewalls - configuring and troubleshooting Site to Site/SSL/Remote Access VPNs, NAT, ACLs, Inspection, High Availability • Configure and troubleshoot Juniper SRX firewalls• F5 BIG-IP LTM Load Balancing/Application Delivery Platform – Configuring VIPs, Pools, Client & Server Profiles, SSL certificates & offloading, TMOS CLI, iRules as well as additional F5 modules (AFM,AVR)• Install, configure, maintain and troubleshoot F5 BIG-IP and Brocade ADX load balancers• Configure and troubleshoot routing, switching, DNS, VLANs on Cisco ASA as well as L2/L3 switches• ADX Brocade 1000 load balancers - Configuring VIPs, SSL, Healthchecks, CSW Policies,• Monitoring and responding to all Alert Logic IDS alerts / Imperva WAF alerts.• DDoS Mitigation - Knowledge of leading platforms including CloudFlare and Incapsula• Actioning vendor security vulnerabilities, current threats, exploits and active attacks.• Planning enterprise customer migrations as well as providing advice on the final solution design Show less As part of the Enterprise support infrastructure I was the 1st point of contact for our customers providing 1st and 2nd line of support via phone and ticketing system. After 6 months of being Support Specialists I have solely concentrated on Network Security related tickets which has led me to become an escalation point within my team. Enterprise Network Security Support SpecialistExamples of my duties include; • Creating Access Lists Control Entries and object groups on Cisco ASA firewalls • Setting up Client to Site as well As Site to Site VPN on Cisco ASA firewalls • Troubleshooting Site to Site VPN/Client VPN • Troubleshooting routing and switching on CISCO ASA FW's, Switches, F5 Load Balancers • Creating VPN users and filtering user access if necessary • Installing and updating SSL Certificates on F5 Load Balancers • Adding nodes, creating Pools and VIPS on F5 Load Balancers (GUI,CLI) • Creating new segments on the customer environment • Applying iRules on VIPs as well as health checks on Pool membersEnterprise Support SpecialistExamples of my duties include; • Providing Support on Windows as well as Linux systems • Creating new Active Directory users, assigning permissions, resetting passwords • Generating new CSR keys • Installing SSL certificates on Windows Servers as well as binding resources in IIS • Checking the event logs and providing necessary information before escalating to more senior engineer • Queue management and escalating to relevant departments when needed • Following procedures and meeting SLA's for our customers Show less 05/13-Present Rackspace The Open Cloud Company Data Centre Operations Technician • Responsible for managing customer hardware and making sure there are no faulty parts • Troubleshooting basic networking issues and helping other departments to resolve cause in most efficient way.• Planning migrations for customers as well as performing physical move• Using Core service ticketing system to log and resolve issues over the phone as well as email and escalating when required.• Installing different Operating systems and making devices accessible for customers• Troubleshooting basic Operating System issues and escalating when required (Windows,Linux)• Advising customers regarding hardware upgrades• Working on various projects which helped me to develop planning and organisational skills • Performing firmware upgrades on devices such as Firewalls, Load balancers as well as Dell and HP chassis Show less

  • Enterprise Network Security Engineer

    Mar 2016 - Aug 2017

  • Enterprise Support Specialists / Enterprise Network Security Specialists

    Oct 2014 - Apr 2016

  • Global Data Centre Operations Technician Level II

    May 2013 - Oct 2014
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  CenturyLink

  Aug 2017 - Nov 2017

  Technical Service Enigneer - Network and Security

  • Cisco ASA & ASA-X Firewalls/Checkpoints firewalls R76, R77 Gaia – providing support for enterprise clients including configuration and troubleshooting of Site to Site/Remote Access/SSL VPNs, NAT, ACLs, Inspection, High Availability, Identity awareness etc, • F5 BIG-IP LTM Load Balancing/Application Delivery Platform – configure an troubleshoot VIPs, Pools, Client & Server Profiles, SSL certificates & offloading, persistence, TMOS CLI, iRules including additional F5 modules (AFM,AVR) as well as F5 BIG-IP GTM Wideip Configuration• Deploy and advise on 2 factor authentication methods including customer support• Troubleshooting issues with routing &switching, DNS and VLANs on L2/L3 switches within the mixed vendor environment (Cisco, Juniper)• Monitoring and responding to all IDS/WAF alerts including pen testing vulnerabilities • Action vendor security vulnerabilities, current threats, exploits and active attacks• Identify, resolve, and/or escalate issues according to procedural documentation and training• Act as an escalation point and provide guidance to adjacent support tiers to assist in resolution of complex network, system and security incidents• Perform incident trend analysis to promote a stable solution within the environment.• Experience diagnosing complex issues through packet capture analysis (Wireshark, tcpdump,) Show less

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  Sopra Steria

  Nov 2017 - Feb 2018

  Senior Network Security Engineer
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  CenturyLink

  Feb 2018 - Jun 2019

  Senior Network and Security Engineer ( Tier 3 )

  • Palo Alto Networks – providing firewall support with access policy management/site to site/remote VPNs as well as involving consultancy for deployments according to industrial best practices• Cisco ASA & ASA-X Firewalls/Checkpoints firewalls R76, R77 Gaia – providing support for enterprise clients including configuration and troubleshooting of Site to Site/Remote Access/SSL VPNs, NAT, ACLs, Inspection, High Availability, Identity awareness etc, • Deploy and advise on 2 factor authentication methods including customer support• F5 BIG-IP LTM Load Balancing/Application Delivery Platform – configure and troubleshoot VIPs, Pools, Client & Server Profiles, SSL certificates & offloading, persistence, TMOS CLI, iRules as well as providing customer guidance on various configuration needs and deployments• Analysing complex routing and switching issues including VLANs, VRF’s, OSPF as well as BGP with escalation to backbone teams if necessary• Acting as a consultant for EMEA customers when necessary and advising on best practices and deployments to ensure optimal and secure networks• Deliver successful incident management and change through to completion • Manage network for clients, liaising to assess needs, dealing with account managers and internal departments • Action vendor security vulnerabilities, current threats, exploits and active attacks• Identify, resolve, and/or escalate issues according to procedural documentation and training• Act as an escalation point and provide guidance to adjacent support tiers to assist in resolution of complex network, system and security incidents• Experience diagnosing complex issues through packet capture analysis (Wireshark, tcpdump,) Show less

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  Lumen Technologies

  Jun 2019 - Feb 2023

  Lead Network and Security Engineer

  As a Lead Network and Security Engineer my responsibility was to lead the technical relationship of one or more LUMEN clients on a tactical day to day basis, liaising closely and supporting. Within my duties is to provide superior support to a subset of LUMEN customers in a complex MPLS network and hosting solutions environment. My main duties include project planning, engaging with stakeholders, operational process improvement, troubleshooting network and systems incidents to provide the maximum availability and optimal Mean Time to Repair as well as guidance on architecture, reliability, and performance across the estate.• Cisco ASA & ASA-X Firewalls/Palo Alto – providing support for enterprise clients including standardising configuration across the firewall devices as well as being responsible for migrations between various platforms• F5 BIG-IP LTM Load Balancing/Application Delivery Platform – I have become a first point of contact across the department for running projects related to custom builds including standardising iRules• Designing new traffic flows, performing audits with products recommendations• Migration planning and execution based on client requirements• Run environment assessments, report potential and actual security violations and provide recommendations.• Troubleshooting issues with routing &switching, DNS and VLANs on L2/L3 switches within the mixed vendor environment (Cisco, Juniper)• Action vendor security vulnerabilities, current threats, exploits and active attacks• Provide incident investigation, handling, and responses to include incident documentation• Communicate directly with end users and asset owners• Perform incident trend analysis to promote a stable solution within the environment• Act as an escalation point and provide guidance to adjacent support tiers to assist in resolution of complex network, system and security incidents Show less

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  Zscaler

  Feb 2023 - now

  Technical Account Manager

  In my current role I look after the Major Clients across the EMEA/US region where the daily aim is to provide guidance on adoption that involves deep dive assessments of the client deployment across Zscaler products. TAM responsibilities lead towards a very close engagement with stake holders, executives or C level contacts to ensure future growth and success.My day-to-day duties evolve around building customer success plan, providing assistance with architecture workshops or providing tailored guidance on Zscaler best practices which ensures business continuity.The Key factor of this role is building a great relationship with my clients. This is achieved by having strong business awareness as well as ability to listen and understand customer needs.Duties:• Manage, escalate, and drive satisfactory resolution of customers' technical support, service and infrastructure issues based on Zscaler products and technologies.• Conducting quarterly technical reviews and assisting CSM’s with Quarterly business assessments to drive the adoption and provide guidance/assistance with Zscaler products• Manage implementation and consulting projects, where the expectation is to plan, schedule and implement Zscaler web and email solutions for customers or service providers.• Driving post sales relationship by providing key insights around the products as well as building a strategic plan to deliver key initiatives that align with the Business and customer needs• Engage with support escalations from the region and help the Support teams to drive towards resolution• Create and facilitate communication channels between the gold/platinum customer and the product management and engineering teams in Zscaler.• Proactively update customers about cloud updates, upgrade and ensure necessary action to maintain availability and customer satisfaction.• Provide on-site and virtual product training to Premium Support customers. Show less