Simon A
Staff Service Reliability Engineer at Proofpoint
Belfast Metropolitan Area United Kingdom
Summary
👤
Senior🎓
Top SchoolSimon A is a Staff Service Reliability Engineer based in Belfast with 12 years of hands-on experience designing, automating and operating high-availability Linux and Unix-derived environments. At Proofpoint he provides technical leadership, architect reviews and cross-team mentorship for a global SaaS security stack, blending operational rigor with scalable automation. His background spans operations management and systems leadership across enterprises and hosting businesses, with deep expertise in virtualization, networking and clustered LEMP/LEMP-style architectures. Comfortable across RHEL, Debian, SuSE, FreeBSD and more, he pairs legacy platform knowledge with modern SRE practices to keep mission-critical services resilient. Unusually for an SRE, he holds an MSc in Coastal and Estuarine Science, reflecting a pragmatic, research-oriented approach to complex system problems.
13 years of coding experience
9 years of employment as a software developer
MSc, Coastal and Estuarine Science and Management, MSc, Coastal and Estuarine Science and Management at The University of HullBSc Hons, Marine Biology, BSc Hons, Marine Biology at University of Liverpool
Github Skills (44)
openzfs10
freebsd10
btrfs9
linux9
replication9
networking7
icalendar7
security7
windows7
openstack7
telemetry7
opentelemetry6
plex6
k8s6
carddav6
Programming languages (8)
Github contributions (5)
thehaven/haven-overlay
Mar 2024 - Jul 2026
Contributions:133 pushes, 5 branches in 2 years 4 months
thehaven/haven-kubler
Feb 2023 - May 2026
Contributions:26 pushes in 3 years 4 months
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