- Company: Trilongroup
- Location: St. Louis, MO
- Salary: $30–$40/hr
- New
- Full Time
- St. Louis, MO
- $30–$40/hr
- Apply on company site
- $30–$40/hr
Trilon Group at a glance
trilongroup.comTrilon Group is an infrastructure-focused platform (trilongroup.com) backed by private investment, with public reporting of growth deals and refinancing activity. Coverage includes Alpine Investors launching Trilon, a $1.5B refinancing facility, and partnerships such as with CPH and Alta Planning.
Trilongroup is hiring a Project Engineer I/II - Water/Wastewater in St. Louis, MO for a full-time role that blends hands-on project support with structured professional growth for engineers ready to advance.
What This Role Involves
This Project Engineer I/II - Water/Wastewater opportunity in St. Louis, MO places you at the heart of delivering reliable water and wastewater solutions while accelerating your career path. You will take part in Blueprint, an intensive six-month early career leadership track designed for engineers who want more than standard entry-level work. The curriculum blends practical modules on professional skills, business fundamentals, and project execution through case studies, simulations, and role-play sessions. Topics include project economics, clear communication strategies, and core leadership principles, finishing with a live capstone where you present progress and set goals for the coming year.
Your Responsibilities
- Support engineering analyses, calculations, and design tasks for water supply, distribution, collection, and treatment systems
- Prepare technical drawings, reports, and project documentation in collaboration with senior staff
- Assist with construction oversight activities, including site observations and coordination of field efforts
- Engage with clients and internal teams to ensure attentive, high-quality service throughout project delivery
- Fully participate in all Blueprint program sessions and exercises to build business and leadership capabilities
- Contribute fresh ideas that help improve processes and outcomes on water and wastewater assignments
What We're Looking For
- Early-career professionals holding or pursuing an engineering degree with interest in water/wastewater work
- A genuine appetite for continuous learning and making a meaningful impact on communities
- Strong communication skills and dedication to providing careful, personalized client attention
- Motivation to develop beyond technical fundamentals into project economics, leadership, and delivery skills
- Readiness to complete a structured six-month program that includes presentations and collaborative exercises
Working at Trilongroup
Trilongroup is hiring for this role and offers a supportive team environment that helps Project Engineer I/II - Water/Wastewater candidates in St. Louis, MO grow through the specialized Blueprint leadership experience and everyday collaboration.
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To apply for this job please visit trilongroup.pinpointhq.com.
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What people say about Trilon Group
Recent news
- Trilon Group Secures $1.5 Billion Refinancing Facility - Global Legal Chronicle
- CPH Announces Strategic Growth Partnership with Trilon Group - Business Wire
- Alpine Investors launches Trilon Group, will invest up to $200m - pehub.com
- Trilon Group Partners With Alta Planning - citybiz
- DRMP Announces Strategic Growth Partnership with Trilon Group - Business Wire
Aggregated from public discussions and news; opinions are the authors’ own.
Working in St. Louis, MO
Weather right now in St. Louis, MO: checking… · Local time: · Air quality: · Daylight: · UV index: · Wind: · Pollen:
St. Louis sits near where the Mississippi and Missouri rivers meet. The 2020 city population was about 301,578; the metro (into Illinois) tops roughly 2.8 million—Missouri’s largest metro. The state is Midwestern and landlocked; more on Missouri.
Missouri is a landlocked state in the Midwestern region of the United States. Ranking 21st in land area, it borders Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas to the south and Oklahoma, Kansas, and Nebraska to the west. With over six million residents, it is the 19th-most populous state of the country. The largest urban areas are St. Louis, Kansas City, Springfield,
🇺🇸 Relocation safety for US: Exercise Normal Caution — via Warnely, CC BY 4.0
National unemployment rate in US: 4.2% — via World Bank
Private-sector wage growth (year over year): 3.3% — via FRED
National quits rate: 1.9% — via FRED (BLS JOLTS)
GDP per capita in US: $90,027 — via World Bank
Consumer price inflation in US: 2.9% (annual) — via World Bank
Real GDP growth in US: 2.2% (annual) — via World Bank
Average hours worked per year in US: 1,800 — via OECD
Cost of living in Missouri: 9.2% below the national average — via BEA
Nearby history: Pet Plaza, listed 2004 (217m away) — via National Register of Historic Places
Typical climate: average high 66°F / low 46°F year-round (summers around 86°F, winters around 24°F) — via NOAA 1991-2020 Normals
Walkability: Most walkable (18.3/20) — via EPA National Walkability Index
Typical rent nearby: $995/mo (1BR) · $1,218/mo (2BR) — via HUD Fair Market Rents
- Elevation 146m (479 ft)
Source: Wikipedia (state)
Build the skills for this role
Build depth in water/wastewater hydraulics, treatment and collection basics, CAD/BIM plan production, specs and shop drawings, construction observation notes, and clear stakeholder writing. No cert list was supplied for this posting.
Be ready to walk through a water or wastewater project: your role, constraints, and how you resolved design or field issues. Ask how Trilon staffs PE I vs II work and local MO client workflows.
Strong fit if you want hands-on civil/environmental project engineering in water infrastructure inside a growing multi-firm platform, based in St. Louis rather than remote.
Job details above are provided by the employer/source. The sections on this page are compiled from public data sources with AI assistance.
Accommodations: if you need a workplace accommodation to apply for or perform this job, see ADA.gov or EEOC.gov for guidance on your rights and how to request one.
Listing facts
- Role Project Engineer I/II – Water/Wastewater
- Employer Trilon Group
- Location St. Louis, MO
- Type Full Time
- Pay (from listing) $30–$40/hr
- Posted July 14, 2026
- Apply by 2026-08-13
- Country context US
- Overview Full original description on this page (354 words; rewritten for clarity, not a teaser paste)
Facts above come from this job record on Get A Job.AI — not copied from third-party review sites.
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