About Sequence Systems
Sequence Systems is a globally recognized leader in environmental, engineering, and construction recruitment, operating from their Roseville location with over 30 years of industry expertise. As specialized recruiters working across all seven continents, they connect top professionals with impactful organizations in science, sustainability, infrastructure, and technical industries. The company has established itself as the world's leading niche recruiting firm for construction, environmental, science, engineering, and manufacturing personnel.
Sequence Systems operates as a specialized recruitment firm with deep expertise in environmental, engineering, construction, science, and manufacturing sectors. For over three decades, they have been instrumental in placing niche personnel within newly emerging and evolving fields, often filling positions that never existed before or were groundbreaking in their creation. Their comprehensive approach spans from due diligence and environmental compliance to planning, architecture, permitting, and physical construction phases.
The company's environmental expertise is particularly notable, with their involvement dating back to the early days of Superfund and legacy environmental projects. They played a pivotal role in advancing bioremediation and cutting-edge remediation techniques that are now industry standards. Sequence was involved in PFAS recruitment before it became mainstream and has recruited many industry leaders who developed groundbreaking cleanup technologies. Their knowledge encompasses RCRA and CERCLA compliance, having placed personnel for air, water, and soil aspects for over 30 years.
As pioneers in greenhouse gas and climate change recruitment, Sequence conducted the first landmark workforce needs assessments for the emerging greenhouse gas and climate change industry in partnership with the Greenhouse Gas Management Institute. They have been staffing green jobs since before 'Green' became a buzzword, long before LEED and sustainability became synonymous with modern construction methods. Their expertise spans greenhouse gas tracking and accounting, climate project development, carbon trading, weather and climate technologies, and environmental and social governance.
In construction, Sequence works across 60+ unique construction industries, recruiting for every construction trade imaginable. They have built entire homebuilding and commercial development operations from the ground up, assembling teams ranging from zero to over 150+ professionals. Their construction expertise includes collaboration with developers, contractors, subcontractors, manufacturers of building materials, testing companies, government regulatory agencies, and code enforcement leaders.
The firm's natural resources division partners globally with leading forestry, mining, water, and natural resource organizations, as well as environmental consultants and government regulatory agencies. Their commitment to conservation and sustainability drives their efforts in protecting and sustaining vital natural resources while supporting infrastructure development needs.








