Daniel Henry Mackrill
Ingelby Barwick
Summary
Driven professional with a proactive approach to problem-solving and innovation. Proficient in AWS cloud infrastructure, advanced networking, Kubernetes and Terraform. Demonstrates skills in CI/CD pipelines, EKS, Docker, and Linux administration. Skilled in scripting and application administration with a solid understanding of Git, GitHub actions, and GitLab. Strong communication abilities complement technical skills to drive efficient project execution.
Overview
14
14
years of professional experience
3
3
years of post-secondary education
1
1
Certification
Work History
AWS DevOps Engineer
Rebura
London, City of London
06.2022 - 03.2025
- Regularly deploy Amazon Web Services solutions for scalable cloud computing environments.
- Improved system scalability by implementing Kubernetes orchestration for important customer, reducing costs by 40%.
- Often resolve complex escalated network issues swiftly, minimising disruption to operations.
- Perform Well-Architected Reviews and configure new landing zones adhering to AWS best practice.
- Deploy Infrastructure as Code approaches using Terraform improving environmental consistency.
- Address infrastructure and application issues applying troubleshooting skills to implement swift solutions.
- Facilitate seamless software releases through GitHub, CodeBuild and Code pipeline.
- Optimise infrastructure costs by implementing Terraform IAC tooling in AWS environments.
- Train team members on DevOps procedures, company policies and industry best practices to promote continuous quality.
Senior Network Specialist (AWS engineer)
Coventry Building Society
Coventry, West Midlands
06.2019 - 06.2022
- Assisted with migration of applications into AWS reducing monthly costs by 24%.
- Designed and implemented the new ACI network deployment and lead with the design/transition to AWS, making important design decisions and driving innovation for future operation. Project delivered on time and below budget.
- Created the new Control Tower landing zone and transit gateway with Terraform.
- Trained colleagues to manage ACI & AWS infrastructure through regular workshops and lead the service transition into BAU.
- Assisted in budgeting decisions related to technology investments for maximum returns.
- Maintained thorough documentation of all networking activities for future reference.
- Provided expert advice on network configurations, leading to optimal results.
Senior Network Engineer
Sainsburys
Coventry, West Midlands
04.2018 - 06.2019
- Designed and implemented Transit Gateway and Landing Zone.
- Re-designed and configured new core network. The project was delivered successfully and on time.
- Designed and implemented the new Cisco ACI fabric and managed a team responsible for maintaining it.
- Provided troubleshooting for reduced downtime during critical operations.
- Led the design of scalable networks, catering to organisational growth needs effectively.
- Performed detailed risk assessments with meticulous attention to detail, ensuring robust network safety measures.
- Collaborated on large-scale projects, leading to timely task completion.
Network Consultant
Quiss Technology
Tamworth, Staffordshire
03.2017 - 04.2018
- Assisted with the management/maintenance of customers AWS accounts.
- Improved network efficiency by implementing advanced routing protocols.
- Trained staff on new systems, improving overall productivity.
Network and Security Specialist
SCC Data Centre
Birmingham, West Midlands
03.2015 - 03.2017
2nd line NOC Engineer
Atos
09.2012 - 03.2015
Graduate
ATOS National Graduate Scheme
09.2011 - 09.2012
Education
Bachelor of Science (BSc) - Computer Networks
The University of Sheffield
Sheffield 09.2008 - 07.2011
Skills
- AWS
- Terraform
- CI/CD pipelines
- Advanced Networking
- Git
- Kubernetes
- EKS
- Docker
- Linux
Certification
Certified Kubernetes Administrator - The Linux Foundation.
Issued Dec 2023 · Expires Dec 2026
Credential ID LF-dtbmo7blkr
AWS Certified Advanced Networking – Specialty
Amazon Web Services (AWS)
Issued Dec 2020 · Expired Dec 2023
AWS Certified Solutions Architect – Associate
Amazon Web Services (AWS)
Issued Apr 2021 · Expired Apr 2024
Cisco - Routing and Switching CCNP
Issued Jul 2015
Affiliations
- Snooker
- Football
- Music
- Pool
- Cricket
Timeline
AWS DevOps Engineer
Rebura
06.2022 - 03.2025
Senior Network Specialist (AWS engineer)
Coventry Building Society
06.2019 - 06.2022
Senior Network Engineer
Sainsburys
04.2018 - 06.2019
Network Consultant
Quiss Technology
03.2017 - 04.2018
Network and Security Specialist
SCC Data Centre
03.2015 - 03.2017
2nd line NOC Engineer
Atos
09.2012 - 03.2015
Graduate
ATOS National Graduate Scheme
09.2011 - 09.2012
Bachelor of Science (BSc) - Computer Networks
The University of Sheffield
09.2008 - 07.2011
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