Jack Buttle Email & Phone Number

Sheffield, Gb

Sheffield, Gb

Peterborough, England, United Kingdom

● Assisting in tuning analytic rules within Microsoft Sentinel● Creating bespoke KQL queries to assist in threat hunting & retrospective investigations● Creating custom & bespoke tooling to assist analysts in retrospective investigations● Contributing to SOC maturity by creating and implementing playbooks & SOAR orchestration.● Supported and mentored junior tier 1 analysts within the SOC, instilling necessary skills and knowledge for effective incident triage and handling.● Created automation to perform regular health checks of data connectors across multiple Microsoft customers.

Sheffield, England, United Kingdom

● Deployed IOCs to client’s Microsoft Defender instances to proactively block known threats.● Monitored alerts for physical endpoints and vital IT infrastructure using Alienvault USM and Microsoft Sentinel.● Elevated one client’s security posture to 90% on Microsoft Secure Score through recommendations and implementation of security enhancements such as implementing tamper protection.● Configured and launched phishing simulations (Defender, Cofense) to assess client security awareness.● Conducted threat hunting exercises across client estates to identify and neutralize potential threats such as the MOVEIt Vulnerability.● Produced and distributed threat intelligence bulletins to keep clients and internal stakeholders informed of current cyber threats.● Supported and mentored junior tier 1 analysts within the SOC, instilling necessary skills and knowledge for effective incident triage and handling.● Demonstrated expertise in handling emerging threats, including recent ransomware variants such as Akira.

Sheffield, England, United Kingdom

● Handled calls with professionalism and patience, building positive relationships with customers.● Provided technical support to both first line and second line enquiries, ensuring timely resolution of user issues.● Demonstrated strong problem-solving and troubleshooting abilities to diagnose and address a wide range of technical challenges.● Developed PowerShell scripts to automate repetitive tasks within the Service Desk

Barnsley, England, United Kingdom

● Provided support for secure access and remote management of infrastructure using Teleport.● Assisted with the deployment and maintenance of containerized applications using Portainer● Contributed to the creation of an ISO 27001 compliant asset register, ensuring tracking of all company devices.

Sheffield, England, United Kingdom

● Deployed and configured critical workstations, laptops, Ward Kiosks across hospital departments, including operating theatres and patient wards, under COVID-19 measures.● Collaborated with medical teams to minimize disruption to ensure successful installations with minimal impact.● Demonstrated resilience, adaptability and dedicating in a challenging and critical time for the NHS.

Sheffield, England, United Kingdom

● Worked closely with Optima Medical with supporting third-party EEG devices, ensuring optimal performance and resolution of technical issues, contributing to patient care in neurology departments and leading to reduced support tickets.● Efficiently configured and deployed VMware Horizon VDI for the Accident and Emergency department, enabling reliable access to applications and data for staff, even during peak times.● Identified knowledge gaps and translating technical expertise into user-friendly standard operating procedures, covering a range of IT engineer issues. This empowered current and new staff to handle common issues confidently, ultimately minimizing downtime which saw an increase in first-call resolutions.● Demonstrated strong analytical and problem-solving abilities by swiftly troubleshooting and addressing network challenges such as incorrect VLAN assignments which saw a reduction in network support tickets.

Cyber Security, Cyber Security, First Class Honors

Ccna - Network Fundamentals

A Levels

I obtained 3 A Levels. History - D Geography - D Film Studies - C

Gcse

10 GCSEs A-C including Mathematics & English