Job Description We are seeking a Mechanical Plumbing Technician to support the development and production of next‑generation National Defense High‑Energy Laser (HEL) systems. These systems rely on precision cooling, fluid, and mechanical subsystems and are designed to be rugged, compact, and capable of operating in demanding environments. In this role, you will be responsible for the hands‑on assembly, installation, and maintenance of mechanical plumbing and cooling systems, including stainless steel and copper tubing, compression fittings, seals, and soldered joints. This position is ideal for a technician with strong mechanical aptitude who enjoys working with fluid systems, pressure testing, and precision assemblies in manufacturing and clean‑room environments. Work Environment: This position is onsite in Longmont, CO. Hands‑on laboratory and production environment supporting aerospace & defense programs. Why You Should Be Interested: + Work on cutting‑edge technology + Support programs for the military and NASA + Positive team culture and retention focus + Competitive compensation & full benefits - Medical, dental, and vision coverage, paid holidays, and PTO Responsibilities: + Perform installation and integration of mechanical cooling and plumbing systems + Assemble and install copper and stainless steel tubing for water and gas systems + Build fluid assemblies using compression fittings, O‑ring seals, and soldered joints + Assemble plumbing components for pressure testing, chiller systems, and thermal control loops + Perform soldering and brazing of tubing and fittings as required + Conduct pressure testing, leak checks, and basic fluid analysis to verify system performance + Support fluid system maintenance, troubleshooting, and rework activities + Use hand and power tools to perform mechanical assembly and system integration + Inspect components and assemblies for workmanship, quality, and specification compliance + Follow engineering drawings, schematics, work instructions, and safety procedures + Maintain accurate documentation of builds, tests, and non‑conformances + Collaborate with engineers and technicians to support development, integration, and test efforts Qualifications: Required: + Strong hands‑on experience with piping and tubing systems, including copper and stainless steel tubing + Proven copper piping and soldering experience for fluid and cooling systems + Experience assembling fluid systems using compression fittings and O‑ring seals for water and gas applications + Demonstrated fluid system analysis experience, including pressure testing, leak detection, flow verification, and basic coolant or fluid condition monitoring + Experience assembling and maintaining fluid cooling loops, chiller systems, or thermal management systems + Ability to read and follow mechanical drawings, piping schematics, and work instructions + Strong mechanical aptitude and experience using hand and power tools + High attention to detail with a focus on cleanliness, reliability, and quality workmanship Preferred: + Experience supporting high‑reliability systems in aerospace, defense, laser, or electro‑optical environments Job Type & Location This is a Contract to Hire position based out of Longmont, CO. Pay and Benefits The pay range for this position is $35.00 - $44.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: - Medical, dental & vision - Critical Illness, Accident, and Hospital - 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available - Life Insurance (Voluntary Life & AD&D for the employee and dependents) - Short and long-term disability - Health Spending Account (HSA) - Transportation benefits - Employee Assistance Program - Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a fully onsite position in Longmont,CO. Application Deadline This position is anticipated to close on May 2, 2026. Diversity, Equity & Inclusion At Actalent, diversity and inclusion are a bridge towards the equity and success of our people. DE&I is embedded into our culture through: + Hiring diverse talent + Maintaining an inclusive environment through persistent self-reflection + Building a culture of care, engagement, and recognition with clear outcomes + Ensuring growth opportunities for our people Actalent is an equal opportunity employer. About Actalent Actalent is a global leader in engineering and sciences services. For more than 40 years, we've helped visionary companies advance their goals. Headquartered in the United States, our teams span 150 offices across North America, EMEA, and APAC-with four delivery centers in India led by 1,000+ extraordinary employees who connect their passion with purpose every day. Our Bangalore, Hyderabad, Pune, and Chennai delivery centers are hubs of engineering expertise, with core capabilities in mechanical and electrical engineering, systems and software, and manufacturing engineering. Our teams deliver work across multiple industries including transportation, consumer and industrial products, and life sciences. We serve more than 4,500 clients, including many Fortune 500 brands. Learn more about how we can work together at actalentservices.com.