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Shannon Gilmour

@shannongilmour

Cybersecurity Defense Expert at Alignerr; established Life Healthcare Group’s vulnerability program and reduced recorded findings from 1.8 million to 300,000.

South Africa
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What I'm looking for

I’m open to full-time remote opportunities in Vulnerability Management, Cybersecurity, Security Governance, Security Operations and Vulnerability Assessment.

At Life Healthcare Group, I established and managed the enterprise Vulnerability Management Program across a 20,000-device estate spanning South Africa, the EU, UK, Ireland and the United States. By consolidating scanner and endpoint-agent findings, I helped reduce recorded findings from approximately 1.8 million to 300,000.

I evaluated enterprise vulnerability-management platforms and supported selection and deployment, including cloud coverage. I also initiated and led CMDB development to improve asset visibility and reduce end-of-life exposure.

At Life Healthcare Group, I authored and implemented vulnerability, patch-management and penetration-testing standards aligned with NIST, CREST and CIS Benchmarks. I maintained the enterprise Risk Register and prioritised remediation based on risk, exploitability and business impact, including critical and zero-day vulnerabilities.

My earlier work in cybersecurity consulting, endpoint and network security, infrastructure and security operations has given me practical insight into vulnerabilities in production environments. I’m currently contracted to Alignerr for cybersecurity defense and vulnerability-management AI training assignments, with project allocation pending, and I’m open to full-time remote opportunities.

Experience

Work history, roles, and key accomplishments

Alignerr logoAL
Current

Cybersecurity Defense Expert / Vulnerability Management Analyst – AI Training

Aug 2026 - Present (2 months)

Contracted for AI training assignments in cybersecurity defense and vulnerability management; project allocation pending.

Life Healthcare logoLH

Senior Cyber Security Specialist – Vulnerability Management

Life Healthcare

Sep 2021 - Aug 2025 (3 years 11 months)

• Established and managed the organisation's enterprise Vulnerability Management Program, strengthening vulnerability governance, penetration testing, security operations and risk management across a distributed environment.
• Led vulnerability management across a 20,000-device estate spanning South Africa, the EU, UK, Ireland and the United States, including iOS, Android and medical devices. Mana

Performanta Group logoPG

Senior Cyber Security Specialist – Enterprise Security & Professional Services

Performanta Group

Apr 2018 - Dec 2019 (1 year 8 months)

Delivered enterprise cybersecurity consulting, implementation and upgrade projects across multiple customer environments, specialising in endpoint security, security technologies and client infrastructure.
• Led enterprise endpoint security deployment projects across multiple client environments, covering planning, implementation, testing and rollout.
• Led endpoint security upgrade projects,

Bayport Financial Services Group | BML logoBB

Senior Group Network Security Administrator – Infrastructure & Projects

Bayport Financial Services Group | BML

Sep 2016 - Apr 2018 (1 year 7 months)

Managed network security, endpoint security and infrastructure projects across an international financial services environment.
• Managed enterprise endpoint security, encryption, DLP, device control and firewall infrastructure across international operations.
• Led international security, network and server deployment and upgrade projects, including planning, implementation and technical coordina

Bayport Financial Services Group | BML logoBB

Group Networking & Microsoft Server Administrator – Infrastructure & Projects

Bayport Financial Services Group | BML

Sep 2015 - Sep 2016 (1 year)

Managed enterprise networking and Microsoft infrastructure across an international financial services environment.
• Administered Windows Server, Active Directory, DNS, DHCP, VLANs, routing and switching.
• Led network and server upgrade and deployment projects, including planning, implementation and technical coordination.
• Conducted proof-of-concept testing for networking and server technologie

Bayport Financial Services Group | BML logoBB

Group Third-Line Desktop & Executive Support Engineer – Service Desk

Bayport Financial Services Group | BML

Dec 2014 - Sep 2015 (9 months)

Provided third-line desktop and executive support within an international financial services environment.
• Delivered third-line technical support to executives and business users across desktop, mobile and Microsoft environments.
• Supported Active Directory, Exchange, user administration and infrastructure troubleshooting.
• Assisted first- and second-line teams with complex technical issues and

Datacentrix logoDA

Senior On-Site Desktop Support Engineer – Enterprise Infrastructure & Endpoint S

Datacentrix

Sep 2010 - Dec 2014 (4 years 3 months)

Progressed into senior on-site engineering, supporting multiple customer environments and developing extensive enterprise desktop, infrastructure and endpoint security experience.
• Provided senior on-site technical support across multiple customer environments, supporting desktops, servers, printers, Active Directory and Microsoft technologies.
• Supported endpoint security and encryption technol

Datacentrix logoDA

First-Line Support & Call Centre Agent – Technical Support & Customer Service

Datacentrix

Nov 2009 - Aug 2010 (9 months)

Provided first-line technical support and customer service across multiple customer environments.
• Managed technical support requests, troubleshooting desktop and software issues and escalating complex incidents where required.
• Supported customer service processes, ticket management and technical issue resolution.

Prismtech logoPR

Technical Manager & Team Lead – IT Infrastructure & Operations

Prismtech

Apr 2008 - Aug 2009 (1 year 4 months)

Provided on-site infrastructure support while leading a technical team and supporting Microsoft customer environments.
• Managed a small technical team while supporting Microsoft networks, servers, desktops and Exchange environments.
• Managed customer-site maintenance, troubleshooting, repairs and technical escalations, ensuring issues were resolved within service requirements.
• Coordinated on-s

Compute Corporate Technology Solutions logoCS

On-Road Technician – Network & Infrastructure Implementation

Compute Corporate Technology Solutions

Aug 2005 - Mar 2008 (2 years 7 months)

Delivered on-road network, desktop and site implementation support across customer environments throughout South Africa.
• Delivered network and desktop implementation and support, including customer site setups and educational software installations.
• Supported Microsoft Server, Exchange and backup environments across SLA customer sites.
• Troubleshot hardware, software, networking and infrastru

DRS logoDR

Help Desk Support & SOC Monitoring Analyst – Security Operations

DRS

Nov 2002 - Jul 2005 (2 years 8 months)

Progressed from sales into 24/7 Security Operations Centre monitoring, providing an early foundation in cybersecurity and security operations.
• Provided 24/7 SOC security monitoring and technical support, monitoring virus activity and security events and producing security reports.
• Supported antivirus, content-filtering and other security solutions across customer environments.
• Investigated t

DRS logoDR

Hardware & Software Sales Executive – IT Solutions

DRS

May 2000 - Oct 2002 (2 years 5 months)

Provided hardware and software sales support to business customers, developing an early foundation in IT infrastructure and security technologies.
• Sold firewalls, endpoint security solutions, servers and infrastructure hardware.
• Assisted customers with technology selection based on their operational requirements.

Education

Degrees, certifications, and relevant coursework

CO

CompTIA

CompTIA Security+ ce Certification

Mar 2021 · Expired Mar 2024

CA

Cisco Networking Academy

Understanding Cisco Cybersecurity Fundamentals

May 2018

CI

Cisco

Cisco Certified Network Associate Routing and Switching (CCNA Routing and Switching)

Sep 2015 · Expired Sep 2018

MI

Microsoft

Installing, Configuring and Administering Microsoft Windows XP Professional

Apr 2010

MI

Microsoft

Managing and Maintaining a Microsoft Windows Server 2003 Environment

Jul 2010

MC

McAfee

McAfee Sales Training Program

Jul 2002

SL

SECUREWORX TECHNOLOGIES PRIVATE LIMITED

Basilisk Internet Security Appliance VPN Installation & Administration

Feb 2002

EC

Executive School For Computers

Diploma, PC Engineering

1999 - 1999

Completed the PC Engineering Diploma at Executive School for Computers.

GS

Gress-World High School

1997 - 1998

English
Afrikaans
Mathematics
Natural Science
Home Economics
Computer Science
Motor Mechanics

Tech stack

Software and tools used professionally

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