Senior Process Engineer

Job Title:

Senior Process Engineer The Senior Process Engineer leads the design, specification, and commissioning of chemical processes and pilot plants handling hazardous materials. This hands‑on role supports mission‑critical programs and partners closely with automation, mechanical, and plant engineering teams in a small, collaborative environment. Key Responsibilities Develop and maintain P&IDs and core process documentation Specify process equipment, instrumentation, and control strategies Lead pilot plant design, commissioning, and test production runs Model and optimize batch and continuous processes using Aspen Plus or similar tools Analyze process data to improve safety, yield, and reliability Support hazardous material process design, safety reviews, and operations Collaborate cross‑functionally and mentor junior engineers Required Qualifications Proven process engineering experience in chemical manufacturing or related industries Hands‑on experience designing and commissioning plant or pilot systems Strong background working with hazardous or regulated materials Proficiency with P&IDs, process equipment specifications, and instrumentation Experience with batch and continuous flow processes Proficiency with Aspen Plus or similar simulation software Strong technical writing and communication skills Preferred Qualifications Chemical Engineering degree or related field Experience with energetics, explosives, pharmaceuticals, or petroleum processes Pilot plant scale‑up and transition to production Experience mentoring junior engineers Work Environment & Benefits Fully onsite role with hands‑on pilot plant and production work Mission‑focused programs tied to national defense and energy initiatives Flexible schedules (9/80 or 4/10) Full health insurance, 401(k) with match, and paid annual training Job Type & Location This is a Permanent position based out of Littleton, CO. Pay and Benefits The pay range for this position is $95000.00 - $150000.00/yr. 401k Match 100% health insurance paid + premium for dependents Extended Flex Time Potential Hybrid flexibility 9/80 or 4/10 schedule Workplace Type This is a fully onsite position in Littleton,CO. Application Deadline This position is anticipated to close on May 7, 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.