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ANCHORAGE, ALASKA

Mark J. Roseberry, Jr.

IT Service Delivery Lead

I am an IT Service Delivery Lead and petroleum engineer in Anchorage, Alaska, with 12 years of experience across enterprise IT, cloud infrastructure, Arctic pipeline engineering, and capital project controls.

  • Iñupiaq Heritage (Utqiaġvik / Barrow • ASRC & UIC Shareholder)
  • B.S. Petroleum Engineering (UAF)
  • ANSEP Scholar

What You Will Find Here

This site brings together my professional background, an interactive context routing project for local language models, the architecture of my home lab, and a look at life and personal projects here in Alaska.

Mark Roseberry at the annual Ivalu Gala wearing a traditional handmade sealskin vest

OVERVIEW

Site Overview

A short summary of each section of the site.

CAREER

Career & Credentials

Experience, Education & Certifications

Twelve years spanning enterprise IT service delivery, cloud migrations, Arctic pipeline engineering, and capital project controls.

  • Alyeska Pipeline Service Company: IT Service Delivery Lead (2023 to Present)
  • Tex R Us & UMIAQ Design: IT Cloud Engineer & Utility Engineering (2022 to 2023)
  • ASRC Energy Services: Project Controls Lead & Field Engineer (2014 to 2022)

PROJECT

OT Context Engine

Deterministic Context Routing for Local LLMs

An interactive project exploring how locally hosted language models handle dense technical and regulatory standards using a deterministic hierarchical router.

  • Compares raw document stuffing against structured section routing
  • Indexed across NIST, CISA, PHMSA (49 CFR 192/195), and ISA/IEC frameworks
  • Runs on local hardware with side-by-side latency and accuracy benchmarks

HOME INFRASTRUCTURE

Home Lab

Network Architecture, Self-Hosted Services & Security

How my home infrastructure is set up to run local services, smart home automation, camera computer vision, and local AI with security built into every step.

  • Segmented VLAN network with pfSense default-deny firewall rules
  • Outbound Cloudflare tunnels, WireGuard VPN, and Authentik SSO/MFA
  • Home Assistant automation, local Frigate+ camera NVR, and local AI inference

ALASKA LIFE & CRAFT

Personal

Heritage, Sourdough, Espresso & Home Builds

Life outside of work in Anchorage, from North Slope Iñupiaq roots and the Fifty Years Below Zero audiobook project to baking, espresso, and custom home builds.

  • Utqiaġvik heritage and the Fifty Years Below Zero audiobook project
  • Sourdough baking and espresso craft
  • Custom 135-inch Dolby Atmos basement cinema and reactive DMX stage lighting