Caleb Reder
Senior Automation & CI/CD Software Engineer with 10+ years of enterprise experience at Code42 (acquired by Mimecast). Specialized in developing high-efficiency paved roads for CI/CD in Jenkins, engineering end-to-end automation and systems scripting, and authoring resilient production code accelerated by modern AI workflows.
Core Engineering Pillars
A decade of enterprise systems experience centered on deep automation engineering, high-efficiency CI/CD paved roads in Jenkins, and resilient software delivery accelerated by modern AI.
Automation Engineer
Specialized in eliminating manual operational friction and engineering deterministic automation harnesses across complex enterprise environments.
- Scripting Mastery & Systems Tooling: Deep scripting expertise across Python, Bash, PowerShell, and Go to automate multi-OS configurations, VM snapshots, systems monitoring, and operational workflows.
- 7+ Years on Test42 Framework: Core framework engineer and author on Code42's in-house built Test42 automation framework — authoring thousands of regression tests executing daily across Windows, macOS, and Linux.
- Deterministic Quality Gates: Architect of automated test harnesses integrated directly into verification gates to eliminate bugs early, maintain zero-defect standards, and eliminate human toil.
CI/CD Engineer
Jenkins specialist dedicated to engineering high-quality, ultra-efficient pipelines, systems, and standardized developer workflows ("paved roads") that empower teams to ship safely at high velocity.
- Jenkins Specialization & Paved Roads: Architect of standardized, friction-free "paved roads" — authoring enterprise Groovy shared libraries, declarative/scripted pipelines, and multi-branch indexing.
- High-Efficiency Systems & Dynamic Runners: Orchestrated dynamic containerized build runners (Docker) and high-concurrency bare-metal VM runners (VMware vSphere) to dramatically accelerate build times.
- Enterprise Toolchain Administration: Dedicated systems administrator for Jenkins, Concourse CI, JFrog Artifactory, Bitbucket, GitHub, and Jira — enforcing PR validation webhooks and automated release gates.
Software Engineer & AI Adopter
Polyglot software engineer writing production-grade code, paired with an forward-thinking AI adopter mindset to inform decisions and execute changes fast.
- Polyglot Code Craftsmanship: Proven track record writing clean, modular, and maintainable software across Go, Python, Java, C#, C++, Ruby, and JavaScript/TypeScript.
- Rapid AI Adoption & Tooling: Early adopter directing Agentic AI workflows, Model Context Protocol (MCP), and multi-agent systems to dramatically accelerate feature delivery and eliminate implementation overhead.
- Informed Decisions & Fast Changes: Using AI as an intelligent force multiplier to rapidly research architectures, evaluate technical trade-offs, and implement changes with seasoned engineering rigor.
Supporting Systems Administration & Infrastructure Breadth
Enterprise FoundationVMware vSphere & Bare Metal
Dedicated systems administrator managing bare-metal virtualization clusters, dynamic build VM provisioning, snapshot restoration, and AWS cloud infrastructure.
Artifactory, VCS & Jira
Platform administrator across JFrog Artifactory binary registries, Bitbucket and GitHub Enterprise version control, and Jira agile lifecycle automation.
7 Years QA Automation & Test42
Pioneering in-house test automation with deterministic integration test harnesses and thousands of automated tests across Windows, macOS, and Linux.
Docker & AWS Infrastructure
Containerized build runners, Docker registries, and AWS cloud infrastructure management (EC2, S3, CloudFront, Route53) securing scalable deployment pipelines.
A Decade of Enterprise Impact
A detailed track record of engineering continuous integration architectures, quality assurance automation, and scalable systems across 10+ years at Code42 through its acquisition by Mimecast.
CI/CD Software Engineer
Spearheaded the administration, modernization, and reliability of CI/CD infrastructure and software delivery powering enterprise cybersecurity and data loss prevention platforms across cloud and on-premise infrastructure.
- Enterprise Systems Administrator: Serve as dedicated administrator managing and operating Jenkins, Concourse CI, Bitbucket, GitHub Enterprise, JFrog Artifactory, Jira, and VMware vSphere across high-availability bare-metal clusters and AWS cloud infrastructure.
- Continuous Test42 Framework Engineering & Test Authoring: Actively continue in-house framework engineering on our proprietary Test42 automation framework under the CI/CD role — authoring automated tests, building custom harness tooling, and verifying build artifacts across staging environments.
- Jenkins & Concourse CI Orchestration: Standardized declarative and scripted build pipelines across both Jenkins and Concourse CI, authoring Groovy shared libraries, multi-branch indexing, and automated promotion gates.
- Open-Source Kotlin Pipeline-as-Code: Contributed to code42/pipelinekt, Code42's open-source Kotlin DSL for Jenkins pipelines — authoring type-safe, compiled pipeline definitions to replace fragile untyped scripts.
- Docker, Kubernetes & VMware vSphere Infrastructure: Orchestrated containerized build runners via Docker and AWS EKS/Kubernetes, alongside dynamic, high-concurrency multi-OS virtual machines across VMware vSphere bare-metal clusters.
- JFrog Artifactory & Repository Governance: Maintained enterprise Artifactory instances for binary promotion gates, dependency proxy caching, Docker registries, and software supply chain compliance; enforced PR verification webhooks and branch protections across Bitbucket and GitHub.
- Jira Workflow Automation: Integrated CI/CD pipelines with Jira via webhooks to automate issue lifecycle transitions, enforce release gates, and generate audited release changelogs.
QA Automation Engineer
Dedicated seven years to pioneering and scaling automated test engineering for Code42's flagship endpoint backup and insider threat protection systems.
- Test42 In-House Framework Engineer: Served as a core framework engineer on Code42's proprietary in-house automation test framework, Test42 — architecting test execution harnesses, test runner utilities, and framework features.
- Web-Based UI Editor Tooling for Test42: Engineered internal web-based UI editor tools enabling engineers and QA teams to construct, configure, and inspect automated test suites and execution parameters without manual code manipulation.
- Automated CI Pipeline Failure Scraper (Light-bulb Award Winner): Architected and deployed an automated scraper inspecting Jenkins build logs to isolate failing test runs, compile diagnostic bundles, and automatically dispatch actionable Jira defect tickets.
- Automated Test Authoring: Authored thousands of robust regression and integration tests executing daily across Windows, macOS, and Linux client platforms to catch edge cases early.
- VMware vSphere Test Environments: Automated the provisioning and rapid snapshot restoration of clean multi-OS test virtual machines on VMware vSphere for deterministic, pristine test runs.
- Jira Defect Lifecycle: Managed end-to-end bug tracking, triage, and regression verification in Jira, collaborating closely with developers to drive defect counts to zero.
- API & Cloud Integration Testing: Developed programmatic integration tests validating cloud sync, file system monitoring, and edge-to-server data integrity.
- Polyglot Tooling: Leveraged Python, Java, C#, Bash, and Batch to build custom testing utilities and test harness runners.
Honors, Awards & Academic Foundation
Formal engineering recognition earned across a decade of enterprise service at Code42, backed by dual degrees in Computer Science and Mathematics.
Back of the House Powerhouse
Awarded to top engineering contributors providing massive organizational leverage behind the scenes. Recognized for architecting robust CI/CD pipelines, high-efficiency Jenkins paved roads, and resilient test infrastructure powering hundreds of builds daily across the entire engineering organization.
Light-bulb Engineer of the Year
Awarded for breakthrough engineering innovation. Architected and deployed an automated CI pipeline scraper that dynamically inspected build outputs, detected failing regression runs, aggregated diagnostic bundles, and automatically created actionable Jira defect tickets—eliminating countless hours of manual triage.
Rookie of the Year
Awarded for rapid onboarding, engineering craftsmanship, and immediate high-value contribution during his first year at Code42. Rapidly mastered the in-house Test42 automation framework, authoring expansive regression suites and multi-OS verification gates ahead of schedule.
Academic Foundation
Rigorous theoretical and systems curriculum covering computational theory, algorithms, discrete structures, linear algebra, numerical analysis, compiler design, and hardware/software architectures.
Open-Source & Community
Contributor to Code42's open-source library empowering engineering teams to write Jenkins pipelines in type-safe Kotlin instead of untyped Groovy scripts — eliminating syntax errors, enhancing IDE autocomplete, and standardizing pipeline architecture.
Comprehensive Skills Matrix
A battle-tested polyglot toolkit honed over 10+ years of building production-grade CI/CD pipelines, test automation, systems development, and game engines.
CI/CD & Systems Admin
QA Automation & Test42
Cloud & Virtualization
Repositories, Artifactory & Jira
Agentic AI Workflows
Core Languages
Shell & Operating Systems
Game Engines & 3D
Let's Connect & Build Something Exceptional
Whether you are an engineering leader seeking an Automation Engineer to eliminate operational friction, a CI/CD Engineer (Jenkins expert) to develop high-efficiency paved roads, or a Software Engineer & AI Adopter to write production code and ship changes fast — I would love to connect.