When Failure Isn’t an Option, Industry Leaders Choose STSI
For over 25 years, STSI has delivered precision workforce solutions for specialized, mission-critical environments. We understand that complex projects demand more than just qualified talent—they require technically accurate, culturally aligned professionals who keep your projects moving forward with confidence.
From energy and infrastructure to life sciences and advanced manufacturing, our clients trust us to provide the right people, right when they’re needed.
We Serve Specialized Industries
- Oil & Gas / Pipeline
- Semiconductor
- Refinery / Petrochemical
- Mission Critical Construction
- Specialty Chemical / Chemical
- Mining & Minerals
- Renewable Energy
- Infrastructure Construction
- Power / Utility
- Metals / Steel Mill
- Transmission / Distribution / Substation
- Commercial / Industrial
- Food / Beverage / Brewery / Agricultural
- Healthcare / Institutional
- Pharmaceutical
- Educational / Hospitality

Full-range engineering staffing services
STSI's provides a seamless recruitment process for direct hires, connecting our clients with top engineering talent through strategic candidate sourcing, screening and skill assessment. Our dedicated team simplifies hiring by handling all aspects, from initial screening to final job offer negotiations, ensuring a perfect match for lasting success.
STSI's temporary and contract staffing provides flexible workforce solutions, supplying skilled professionals on a temporary basis by project or during peak periods. We timely match clients with pre-screened, qualified candidates, optimizing resource utilization and project outcomes.
STSI's contract-to-hire service offers a smooth transition for both employers and candidates, allowing for engagement and evaluation before committing to a permanent position. This arrangement provides the opportunity to evaluate a candidate's fit with the company culture and job requirements, ensuring a successful long-term employment relationship.
Expand your talent base without the financial burden of increased full-time headcount. STSI's payroll services streamline the complexities of payroll management, payroll processing, tax compliance, and benefits administration partidularly across different states and jurisdictions.. Clients rely on our expertise to ensure accurate, on-time payroll delivery, allowing them to focus on core business operations while maintaining compliance with all payroll-related regulations.
STSI offers a comprehensive benefits package that includes Major Medical Health Insurance (Long/Short Term Disability), Dental, Vision, pre-taxed 401K, weekly direct deposit, and bonus incentives which help with employee retention.
Disciplines We Support
- Construction Management
- Project Controls
- Structural/Civil & Geotechnical Engineering
- Estimating / Cost Engineering
- Instrumentation / Controls
- Project & Program Management
- Quality Engineering
- Planning / Scheduling
- Process & Substation Engineering
- BIM / CAD Design
Flexible Workforce
By Project
Peak Periods
Staff Augmentation
Skill Levels
Executive Management
Manager / Supervisor / Lead
Project Manager / Project Engineer
Engineer
Checker
Designer
CAD Operator / Drafter
Project Coordinator / Assistant
Superintendent

Let us simplify your hiring process and help you find the best engineering talent for your project.
Let us simplify your hiring process and help you find the best engineering talent for your project.
Ready for a good ol' fashioned heart-to-heart conversation? We don't let the digital age limit your connection!
Dial us toll-free: 888.284.4494 anytime—we're all ears! Let's turn words into action.