Senior Manager - Technology Operations
Current
Jul 2024 - Present
AeroLeads people directory · profile
Henry Sayer Email & Phone Number
CISSP certified IT Leader | Cyber Security & Infrastructure | Digital Transformations
at
Core42
1 work email found
@avantiagroup.co.uk
2 phones found area 207
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 100%
Current company
Role
CISSP certified IT Leader | Cyber Security & Infrastructure | Digital Transformations
Location
Abu Dhabi, Abu Dhabi Emirate, United Arab Emirates
Who is Henry Sayer? Overview
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Quick answer
Henry Sayer is listed as CISSP certified IT Leader | Cyber Security & Infrastructure | Digital Transformations at Core42, based in Abu Dhabi, Abu Dhabi Emirate, United Arab Emirates. AeroLeads shows a work email signal at avantiagroup.co.uk, phone signal with area code 207, and a matched LinkedIn profile for Henry Sayer.
Henry Sayer previously worked as Senior Manager - Technology Operations at Core42 and Professional development at Career Break. Henry Sayer holds Bachelor Of Science - Bs, Computing And Information Systems from Oxford Brookes University.
Company email context
Email format at Core42
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{first}.{last}@avantiagroup.co.uk
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Profile bio
About Henry Sayer
A CISSP-certified leader of Information Technology with a record of technology transformations in cyber security and infrastructure management. Strong leadership, strategic thinking and problem-solving skills played a key role in tackling complex challenges, driving innovation, and delivering change. Excellent verbal and written interpersonal communication skills, fostering effective team collaboration and people management.
Listed skills include Active Directory, Windows Server, Firewalls, Vpn, and 41 others.
Current workplace
Henry Sayer's current company
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8 roles
Henry Sayer work experience
A career timeline built from the work history available for this profile.
Professional Development
Career Break
•Advanced Cybersecurity Training: Participating in cybersecurity workshops and courses to deepen strategic knowledge in information security management.•Security Leadership Certifications: Acquired advanced certification, CISSP in May 2023: #564504, enhancing expertise in cybersecurity leadership.• Freelance: Dagobah Technologies - IT infrastructure, operations and cyber security consultancy offering strategy, support and project implementations for SMEs.
Aug 2022 - Jul 2024
Director Of It
Led a global IT team of thirty-five professionals, managing cyber security and infrastructure for 1200 users, with a focus on aligning technology roadmaps to ISO 27001 and GDPR regulatory compliance. Oversaw a $5 million budget, achieving 15% cost reductions, directed MSSP SOC, ITIL service management, change management, cloud technologies, data management and vendor relationships. Implemented large-scale IT projects including VMware high-availability clusters, Microsoft 365 migration, global Cisco Wi-Fi, MFA backed zero trust network, and FortiGate NGFW.
Feb 2019 - Jun 2022
Head Of Technology Infrastructure
Managed an annual budget of £2 million, leading a team of 5 DevOps and engineers across EMEA, APAC, and US, and achieved ISO 27001:2013 certification, enhancing client trust and compliance. Oversaw IT infrastructure and cybersecurity, initiated key projects like Office 365 migration, Cisco telephony & video conferencing, and global MPLS. Strengthened business continuity, disaster recovery and developed vendor relationships.
Jun 2016 - Nov 2018
Head Of Infrastructure
Led the design and execution of the company's IT strategy and operations, following ISO 27001 standards, and achieving PCI-DSS compliance for homeprotect.co.uk. Managed a diverse IT infrastructure, delivered key projects like Office 365 migration, VMWare high availability, Azure management and conducted cybersecurity activities including risk analysis, while recruiting and mentoring a skilled engineering team.
Jan 2015 - Jun 2016
Team Leader - Neworks & Infrastructure
Led a team of 9 IT engineers across EMEA and APAC, managing the BAU administration of network and data centers, and overseeing a range of systems including Active Directory, VMware, Cisco UCS, and Microsoft SQL. Collaborated with C-suite stakeholders, redesigned the Active Directory structure for SEC and FCA compliance, deployed Varonis for international audits, and established a UK DR solution with Veeam backup and recovery.
Sep 2011 - Jan 2015
It Manager
Sep 2009 - Sep 2011
Founder And Cio
Wyvern Systems Ltd
May 2003 - Aug 2009
2 education records
Henry Sayer education
Bachelor Of Science - Bs, Computing And Information Systems
Oxford Brookes University
A-Level, Mathematics, Physics, Chemistry
Charterhouse School
FAQ
Frequently asked questions about Henry Sayer
Quick answers generated from the profile data available on this page.
What company does Henry Sayer work for?
Henry Sayer works for Core42.
What is Henry Sayer's role at Core42?
Henry Sayer is listed as CISSP certified IT Leader | Cyber Security & Infrastructure | Digital Transformations at Core42.
What is Henry Sayer's email address?
AeroLeads has found 1 work email signal at @avantiagroup.co.uk for Henry Sayer at Core42.
What is Henry Sayer's phone number?
AeroLeads has found 2 phone signal(s) with area code 207 for Henry Sayer at Core42.
Where is Henry Sayer based?
Henry Sayer is based in Abu Dhabi, Abu Dhabi Emirate, United Arab Emirates while working with Core42.
What companies has Henry Sayer worked for?
Henry Sayer has worked for Core42, Career Break, Unique Vacations, Ltd., Lombard Risk, and Avantia Group.
How can I contact Henry Sayer?
You can use AeroLeads to view verified contact signals for Henry Sayer at Core42, including work email, phone, and LinkedIn data when available.
What schools did Henry Sayer attend?
Henry Sayer holds Bachelor Of Science - Bs, Computing And Information Systems from Oxford Brookes University.
What skills is Henry Sayer known for?
Henry Sayer is listed with skills including Active Directory, Windows Server, Firewalls, Vpn, Microsoft Sql Server, System Deployment, Servers, and Cisco Technologies.
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