Marcus T. Ellison

Profile

Licensed Professional Engineer (PE) with 11 years of experience in municipal infrastructure, stormwater management, and transportation design across Colorado and the Mountain West. Specializes in CDOT-compliant roadway reconstruction and FEMA floodplain permitting, with a track record of delivering projects on schedule and under budget. Led a $34M corridor improvement program that reduced average commute delay by 22% across three intersections.

Work Experience

Senior Civil EngineerMar 2019 - Present

Ridgeline Infrastructure Group, Denver, CO

Directed a 14-member multidisciplinary team on a $34M arterial reconstruction project, completing all phases 6 weeks ahead of schedule and saving $1.2M in contractor penalties.
Designed stormwater conveyance systems for 9 commercial developments, reducing peak runoff rates by an average of 31% and achieving full CDOT and UDFCD compliance on every submittal.
Streamlined QA/QC review workflow by introducing Civil 3D template standards, cutting internal review cycles from 12 days to 5 days and eliminating 90% of repeated markup errors.

Project Civil EngineerJun 2015 - Feb 2019

Hartwell & Crane Engineering, Fort Collins, CO

Managed design and permitting for 6 FEMA floodplain projects totaling $18M in construction value, securing Letters of Map Revision (LOMRs) with zero agency rejections.
Produced construction documents for 4.2 miles of urban trail and bike lane infrastructure funded through a $7.4M TIGER grant, coordinating directly with CDOT and three municipal clients.
Mentored 3 junior engineers through EIT exam preparation; all three passed on their first attempt within 18 months of joining the firm.

Staff Civil EngineerAug 2012 - May 2015

Mesa Point Consultants, Colorado Springs, CO

Performed hydrologic and hydraulic modeling using HEC-RAS and HEC-HMS for 11 drainage studies, supporting $22M in local stormwater capital improvement planning.
Prepared grading, drainage, and utility plans for a 340-unit residential subdivision, coordinating with 5 utility agencies and achieving final plat approval 3 months ahead of the developer's deadline.
Reduced field RFI response time from 8 days to 2 days by building a project document tracking system adopted firm-wide across 4 active project teams.

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