site-reliability-engineering
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PagerDuty Built the Fire Alarm for the Internet. Now It Wants to Put Out the Fire.
The software that made the right engineer's phone ring at 3 a.m. has grown into a $500 million-a-year operations business. Its harder assignment is teaching machines what to do before a human even answers.
Honeycomb Bet Engineers Would Rather Ask Better Questions Than Stare at More Dashboards
Born from the production chaos at Parse, Honeycomb built an observability business around a stubborn idea: keep the context, query it fast, and let engineers investigate the failure they did not know to predict. Ten years later, that architecture is becoming the evidence layer for AI agents too.
BayOne Solutions
BayOne built a sizable business by selling two things enterprises usually buy separately: the technology work and the people who make it run. Now its bet on AI, managed delivery and diverse talent is turning a staffing heritage into a broader transformation play.
Just After Midnight
Just After Midnight (JAM) is a London-founded, globally distributed managed services company that keeps mission-critical, customer-facing digital platforms running around the clock. It provides 24/7/365 application, website and cloud support, managed cloud services across AWS, Azure, GCP and Alibaba Cloud, and DevOps consultancy - acting as the after-hours and full-stack support partner behind major brands and digital agencies. Founded in 2016 to solve the problem of out-of-hours support that agencies struggle to staff, JAM now operates across four continents and is part of the Ultima group.
EverOps
EverOps is a San Francisco-based IT and cloud managed services provider that embeds small teams of senior engineers - called TechPods - directly inside client organizations to run DevOps, SRE, ITOps, and security work. Founded in 2012 and re-capitalized in 2022, the firm pitches itself as an alternative to advice-only consulting and staffing shops: pods sit in the client's toolchain, attend standups, and take ownership of outcomes across cloud infrastructure, platform engineering, observability, and cloud cost reduction.
Vibranium Labs
Vibranium Labs is a New York-based AI company building Vibe AI, an agentic 'AI Site Reliability Engineer' that acts as the first responder to IT incidents. Its Vibe OnCall platform pages AI agents to detect, triage, and resolve outages before human engineers are woken up, integrating with tools like Slack, PagerDuty, Datadog, Jira, and ServiceNow. The company says its agents cut mean time to resolution by up to 85%, and positions itself as an AI-native alternative to PagerDuty and Opsgenie. Founded by Sang Lee (ex-Google, ex-AWS) with FiscalNote co-founder Tim Hwang, it raised $4.6M in seed funding in September 2025.
Raw Engineering
Raw Engineering is a San Francisco software products-and-services firm founded in 2007 that builds custom mobile apps, websites, SaaS products and cloud infrastructure for Fortune 500 enterprises, sports teams and startups. Best known as the lab that incubated and spun out the headless CMS pioneer Contentstack and the enterprise mobile platform Built.io (acquired by Software AG in 2018), the company today runs five centers of excellence and powers personalized Digital Fan Experience platforms for clients including the Sacramento Kings, Miami Heat and the NBA.
SORINT.lab
SORINT.lab is a multinational, vendor-neutral 'Next Generation System Integrator' founded in Bergamo, Italy in 1985. With roughly 1,500 engineers across 17 offices in Europe, the USA and Africa, it helps over 100 large organizations run and modernize their IT through DevOps, CI/CD, cloud adoption, application modernization, next-generation IT operations and site reliability engineering. The company is a notable open-source contributor (Agola, Stolon, Ercole, Sircles) and runs on a flat, holacracy-style 'Sircles' organizational model.
Zelar
Zelar (ZelarSoft) is a cloud-native engineering and consulting firm that helps banks, telcos, oil & gas, and government teams adopt Kubernetes, DevOps, and AI without the usual pain. Founded in 2018 and led by CEO Vasu Maganti, the company pairs hands-on services - cloud migration, SRE, security, and data engineering - with its own platforms: Klusternetes for self-service Kubernetes multi-tenancy, OpenOps for production-ready GKE stacks, and Cokpit for agentic AI DevOps. A Google Cloud Premier Partner with offices across the US, Canada, India, and the UAE, Zelar bets that most teams want cloud-native outcomes, not cloud-native homework.