OSG is built on simple principles: be honest, be responsive, and treat every search like it matters. We keep things human and straightforward — no pressure, no overpromising, and no handoff to someone who isn’t close to the work.

Clients choose us because we stay connected, communicate clearly, and take the time to understand their business, their people, and what “the right fit” actually looks like. We show up the way we’d want a partner to show up for us.

A client once said OSG is their “secret sauce,” and that stayed with us — because our goal is to make hiring feel supported, organized, and a lot less stressful. We protect your time, represent your brand well, and make sure every candidate interaction reflects the experience you want them to have.

We support hiring across a variety of technical and professional roles, bringing the same level of care and attention to every search. It’s not just about the industries we know — it’s about how we show up for the people and teams behind them.

With OSG, you get a partner who’s involved, thoughtful, and genuinely committed to making your hiring experience better.

Our Specialties.

 

Transportation and Infrastructure

Our expertise is matching engineers, designers, project services, and construction talent in opportunities within:   

  • Rail and Transit
  • Roads and Highways
  • Transportation Planning 
  • Municipal
  • Land Development
  • Aviation
  • Tunnels
  • Bridges & Civil Structures
  • Water
Water

Water

  • Industrial water and wastewater management
  • Water and wastewater treatment 
  • Water resources 

Earth and Environment

Our extensive network includes scientists, engineers, project services, and construction talent within:  

  • Contaminated Land and Soil Remediation
  • Ecology and Environmental Impact
  • Environment, Health & Safety 
  • Geotechnical and Ground Engineering
  • Mining 
  • Nuclear 

Energy, Resources & Industrial

We have longstanding industrial relationships, our expertise extends to matching a broad range of engineers, construction, and project services talent to opportunities in:

  • Agrifood
  • Biomass
  • Bio-Industrial
  • Consumer products
  • Industrial chemical
  • Manufacturing
  • Metals
  • Mineral processing
  • Life sciences 
Engineering, Construction, Project Services recruitment specialists

Engineering, Construction, Project Services recruitment specialists

We were looking for a reputable search firm to assist in recruitment and OSG more than delivered!  They took the time to understand who we were as a company to provide candidates that met our culture and the appropriate skill set to meet our roles. They consistently provided exemplary top talent, at all levels within the organization from Executives and Senior Leaders to individual contributors.  I often received positive comments from our hiring managers and senior leaders about the exceptional skill level of candidates being provided by OSG.  I wholeheartedly recommend OSG to everyone I know!

Human Resources National LeaderEPCM

OSG made my recruitment experience seamless from start to finish. They were consistently responsive, kept me updated at every step, and provided clear, helpful information without any pressure. It was evident that they genuinely care about both the companies they represent and the candidates they support. Their professionalism and approach made the entire process exceptionally positive. I would highly recommend OSG to any organization looking to elevate their hiring experience and present their opportunities in the best possible way.

Practice Lead - Environmental Sciences

Job hunting is an exhausting activity, irrespective of your experience in any industry, alleviated only by the network you build around yourself. In my career so far, building a connection with the OSG team has been life-changing. From our first conversation, it was transparent and receptive, and facilitated my connection with my current employer with unmatched grace, going above and beyond my expectations. By far, the best job-hunting experience I've had.

Reporting AnalystInfrastructure

I am thrilled to recommend OSG for their exceptional work as HR professionals. Throughout my hiring process, I was consistently kept updated in a timely manner, ensuring the entire experience was smooth and stress-free. I have never encountered HR professional as responsive, empathetic, and dedicated. Their proactive approach and constant readiness to address any concerns truly set them apart.

Kudos to you, for your outstanding professionalism and commitment!

Planning ManagerInfrastructure

OSG is our secret sauce. 

Vice President / General ManagerInfrastructure - EPCM

We engaged OSG for a very difficult role; they were persistent & consistent in bringing forward quality candidates. Not only did they provide top-notch customer service, they were successful in filling the vacancy. We will work with them in the future and highly recommend them for any recruiting needs.

 

Talent Acquisition Leader - AmericasEngineering Architectural Consulting

OSG have been an invaluable asset during my career transition. I was thoroughly impressed by their professionalism and proactive attitude. Not only are they excellent recruiters, but they also genuinely care about a candidate’s feelings. Their proactive and informative communication helped alleviate my nerves and made the entire process seamless. Overall, they provided me with the best hiring experience I’ve had. If you’re considering a career change, I highly recommend OSG! 

Project Controls AnalystProject Services

Big thanks to OSG for their transparent and supportive approach in helping me secure my new role at Bantrel! Their guidance boosted my confidence and made the transition seamless to something out of my comfort zone and securing something worth my value of skills and knowledge. #Grateful

Civil EngineerInfrastructure

OSG introduced me to an exciting position in an unfamiliar market. With their help, I have found a great fit with my new employer.  They took a pleasant and professional approach, which was a welcoming change to a typical recruitment/hiring process. I am appreciative of the work OSG put into arranging the opportunity and I'm looking forward to my new role.

Project ManagerLand Development

I just wanted to express my gratitude again to OSG for taking the time to get to know me. I've spoken to several recruiters in the past, and it is evident that most are looking to get things done quickly. It is clear to me that the process at OSG puts extra time and care into making sure that you serve my best interests, and for that I am really grateful.

Project EngineerLand Development