KL Kevin J. Lang

Experience

25+ years of operating, automating, and delivering.

From Tier 3 Cisco TAC engineering to modern platform work across any cloud, on-prem, or hybrid — a track record of taking complex systems and making them safer to change.

  1. March 2024 – present
    Remote · HQ: Brentwood, TN

    Infrastructure & Platform Engineer

    Mercury Intermedia
    • Built and maintained an internal cloud platform on Azure with IaC, Kubernetes, secure ingress and certificates, managed data services, observability, and shared tooling.
    • Integrated secrets management and short-lived cloud credentials into CI so automation runs without persisting sensitive keys.
    • Ran Terraform through CI/CD with plan/apply discipline, environment separation, and gated production changes.
    • Delivered AWS application infrastructure for a client program: containers, load balancing, DNS, TLS, edge security, secrets, networking, IaC pipelines.
    • Delivered GCP platform work: multi-environment Kubernetes, managed databases, networking, IaC, Helm-style platform layers, OIDC-based CI authentication.
    Stack: Azure, AWS, GCP, Terraform, Kubernetes, Docker, Helm, GitHub Actions, secrets and cloud identity, CI/CD, observability, managed databases
  2. Jan 2023 – Feb 2024

    System Operations Engineer

    Advisor360°
    • Implemented MOVEit to strengthen managed file transfer and data-handling controls for a hosted wealth-management platform.
    • Led cloud migration to Azure with scalable architecture patterns; Terraform for IaC, RHEL and Windows Server for HA.
    • Built a dynamic SQL query generator in Python for ad-hoc reporting, reducing analyst dependency on engineering.
    • Managed Ansible/AWX for multi-tenant configuration; Jenkins for infrastructure CI/CD and DR tied to versioned infrastructure.
    Stack: MOVEit, Ansible/AWX, Terraform, Azure, Docker, RHEL, Windows Server, Jenkins, Python, SQL
  3. Jul 2021 – May 2022

    Senior Developer (Client: Google)

    Nerdery
    • Led a RESTful API integrated with Google platforms; delivery with Python/Django and Docker.
    • Designed ML-based chat moderation using spaCy and async patterns.
    • Built an AWS CodePipeline/CodeBuild multi-stage deploy pipeline (dev → test → staging → prod) with rollback automation; 30% query-performance gain post-deploy.
    Stack: Python, Django, Docker, AWS CodePipeline/CodeBuild, SQL, spaCy
  4. Nov 2019 – May 2021
    Boston, MA

    DevOps Engineer

    Loomis Sayles
    • Managed Autosys jobs and box scheduling alongside broader DevOps responsibilities for investment-technology operations.
    • Built Jenkins-integrated Python/Bash tooling for Linux maintenance across RHEL, Solaris, and Ubuntu.
    • Built a monitoring and feedback pipeline tying infrastructure and application signals to delivery quality.
    Stack: Autosys, RHEL, Solaris, Ubuntu, Bash, Python, Jenkins
  5. Dec 2018 – Sep 2019
    Boston, MA

    Senior VoIP Engineer

    Boston Children's Hospital
    • Deep-support Cisco UC environment (CUCM, Unity Connection, UCCX, CER, Expressway, WebEx, IOS gateways, PLM).
    • Executed PRI → SIP migration with CUBE SBC over MPLS/fiber into CUCM.
    • Integrated Cerner CareAware into VoIP infrastructure; Docker-based analytics tooling on CentOS.
    Stack: Cisco UC, CUCM, UCCX, Unity, CER, Expressway, CUBE, SIP, Cerner CareAware, Docker, Python, SQL, Bash
  6. May 2010 – Aug 2017
    Boxborough, MA

    Senior CUCM TAC Engineer

    Cisco Systems
    • Tier 3 support for CUCM 4.x–12.x, CUBE, CME, IM&P, UCCX/UCCE, IOS gateways, Unity, CER — including mega-cluster environments.
    • SME for CUCM, security, certificates, and virtualization; delivered internal training; mentored engineers.
    • Core engineer on a business-metric desktop application for services operations leadership — Python/PowerShell/Bash, Jenkins, GitLab.
    Stack: CUCM, CUBE, UCCX/UCCE, Unity, CER, SIP, MGCP, SSL/TLS, Python, PowerShell, Bash, SQL, Jenkins, GitLab