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Senior Chemical Engineer Jobs (NOW HIRING)

SSOE, Inc.

Senior Chemical Process Engineer

Boise, ID · On-site

We are seeking a Senior Chemical Process Engineer to join our integrated design-build team, supporting the delivery of advanced technology, semiconductor, cleanroom, and mission-critical facilities.

Inversion

Senior Chemical Process Engineer

Vista, CA · On-site

$137K - $193K/yr

As the Senior Chemical Process Engineer, you will stand up the sol-gel infusion and resin injection manufacturing processes at the heart of our thermal protection system production, carrying them ...

Apex

Senior Chemical Propulsion Engineer

Los Angeles, CA · On-site

$142K - $192K/yr

About the Role Apex is seeking a Senior Chemical Propulsion Engineer to join our closely integrated team, driving the development of our chemical propulsion systems to meet the requirements of our ...

L3HHCM20

Senior Propellant Chemical Engineer

Culpeper, VA · On-site

$76K - $142K/yr

Camden, AR OR Culpeper, VA Job Schedule: 4/10: Employees work 10 hour days, 4 days a week The Missile Solutions Segment of L3Harris Technologies is seeking a Senior Propellant Chemical Engineer

L3HHCM20

Senior Propellant Chemical Engineer

Camden, AR · On-site

$76K - $142K/yr

Camden, AR OR Culpeper, VA Job Schedule: 4/10: Employees work 10 hour days, 4 days a week The Missile Solutions Segment of L3Harris Technologies is seeking a Senior Propellant Chemical Engineer

Honeywell

Sr Advanced Chemical Engineer

Houston, TX · On-site

$119K - $149K/yr

You will report directly to our Sr Chemical Engineering Manager and you'll work out of either our Houston, TX or Des Plaines, IL location on a Hybrid work schedule. At Honeywell, our people leaders ...

Honeywell

Sr Advanced Chemical Engineer

Houston, TX · Hybrid

$119K - $149K/yr

You will report directly to our Sr Chemical Engineering Manager and you'll work out of either our Houston, TX or Des Plaines, IL location on a Hybrid work schedule. At Honeywell, our people leaders ...

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Senior Chemical Engineer information

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How much do senior chemical engineer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for senior chemical engineer in the United States is $135,168.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,000.00 and $148,500.00 per year, depending on experience, location, and employer.

What is a senior chemical engineer?

A Senior Chemical Engineer is responsible for designing, developing, and optimizing chemical processes in industries such as pharmaceuticals, energy, and manufacturing. They lead projects, troubleshoot technical issues, and ensure compliance with safety and environmental regulations. Additionally, they mentor junior engineers and collaborate with cross-functional teams to improve efficiency and product quality. Their role often involves research, process simulation, and implementation of innovative engineering solutions.

What are the key skills and qualifications needed to thrive in the senior chemical engineer position?

To thrive as a Senior Chemical Engineer, you need deep expertise in chemical process design, optimization, and problem-solving, typically supported by a bachelor's or master's degree in chemical engineering and substantial industry experience. Familiarity with process simulation software (such as Aspen Plus or HYSYS), quality standards, and relevant safety certifications (like OSHA) is highly valued. Strong leadership, communication, and project management skills help you effectively guide teams and collaborate with multidisciplinary stakeholders. These abilities are crucial for delivering innovative solutions, ensuring process safety, and driving successful project outcomes.

What are some common challenges faced by senior chemical engineers in their daily work?

Senior Chemical Engineers often encounter challenges such as managing complex projects with tight deadlines, ensuring safety and environmental compliance, and troubleshooting unexpected process issues. They are also responsible for mentoring junior engineers and coordinating with cross-functional teams, which requires excellent organizational and interpersonal skills. Adapting to evolving technologies and regulatory requirements is another key aspect of the role. Despite these challenges, the work is highly rewarding, offering the chance to make a significant impact on process efficiency, product quality, and overall plant operations.

What does a senior chemical engineer make?

A senior chemical engineer typically earns a salary ranging from $80,000 to $130,000 annually, depending on experience, location, and industry. They often have advanced knowledge of chemical processes, safety protocols, and may hold professional engineering licenses or certifications. Compensation can also include bonuses, benefits, and opportunities for career advancement.
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Senior Chemical Engineer jobs near you
Infographic showing various Senior Chemical Engineer job openings in the United States as of August 2026, with employment types broken down into 93% Full Time, 3% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $135,168 per year, or $65 per hour.

Senior Chemical Process Engineer

SSOE, Inc.

Boise, ID • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 15 days ago

Job description

Overview
Imagine engineering the sophisticated fluid, gas, and chemical delivery systems that form the lifeblood of the world's most advanced semiconductor fabrication facilities. At SSOE you will continuously expand your expertise by confronting diverse and complex process engineering challenges unique to the semiconductor and advanced high-tech industrial sectors. From designing ultra-pure water (UPW) systems that deliver water cleaner than any found in nature, to engineering specialty gas and chemical distribution networks with exacting purity and safety requirements, to developing robust hazardous wastewater treatment solutions, your work will be at the intersection of precision, safety, and innovation. You'll be supported by access to advanced training, leading design and analysis tools including hydraulic modeling and pipe stress software, and a collaborative multidisciplinary culture. We foster your ambition with clear pathways for career progression, whether your aspiration is technical leadership, project management, or becoming a revered subject matter expert in high-purity process systems. All of this unfolds within a truly integrated team environment that champions knowledge sharing, innovation, and technical excellence, backed by the stability and proven delivery of a well-established firm.
We are seeking a Senior Chemical Process Engineer to join our integrated design-build team, supporting the delivery of advanced technology, semiconductor, cleanroom, and mission-critical facilities. This role is well-suited for an engineer who has developed a solid foundation in process system design and is ready to take on greater responsibility in complex, high-performance environments. In this position, you will contribute to the design and execution of critical process systems that support cutting-edge manufacturing and operational performance. You will work closely with senior engineers and multidisciplinary teams to develop practical, efficient, and reliable engineering solutions while continuing to grow your technical expertise.
AI and Innovation
At SSOE, we don't just talk about the future, we build it. As a leader in industry AI adoption, we empower our team to work smarter by providing responsible access to the industry leading AI Large Language Models, vibe-coding platforms, and securely integrating advanced tools into every role. From day one, you'll receive the training and support needed to leverage AI as a core tool for enhancing productivity, sparking creativity, and streamlining complex workflows.
Responsibilities
  • Support the design and engineering of process systems, including fluid transfer, heat exchange, and high-purity piping systems.
  • Contribute to systems involving ultrapure water (UPW), high-purity water (HPW), specialty gases, chemical distribution, and wastewater treatment.
  • Perform engineering calculations such as flow analysis, pressure drop (friction loss), pump sizing, and basic heat transfer evaluations.
  • Assist in the development of PFDs, P&IDs, and system layouts under the guidance of senior engineers.
  • Participate in equipment selection and specification, including pumps, filtration systems, heat exchangers, and chemical delivery systems.
  • Collaborate with mechanical, electrical, and controls teams to ensure coordinated system design in a design-build environment.
  • Support field activities including construction coordination, system walkthroughs, and commissioning efforts.
  • Assist with troubleshooting and resolving technical issues during design and installation phases.
  • Ensure designs align with applicable codes, standards, and client requirements.

Qualifications
Required Qualifications:
  • Bachelor's degree from an ABET-accredited school in Chemical Engineering, Mechanical Engineering, or a related discipline.
  • Active PE license or evidence of ability to obtain by reciprocity is highly desired.
  • 7+ years of relevant experience in process engineering, preferably within a design-build or EPC environment.
  • Experience to projects in semiconductor, advanced high-tech manufacturing, cleanroom, or mission-critical facilities.
  • Foundational knowledge in one or more of the following systems:
    • Ultrapure or high-purity water systems
    • Specialty gas and chemical distribution systems
    • Wastewater treatment systems (including solvent or acid systems)
    • Fluid transfer and pumping systems
    • Heat exchange systems
  • Understanding of piping systems, including basic pressure drop and material selection considerations.
  • Familiarity with PFDs and P&IDs.
  • Strong analytical, organizational, and problem-solving skills.
  • Ability to work effectively in a collaborative, fast-paced environment.

Preferred Qualifications
  • Preference will be given to candidates who hold a Professional Engineering (PE) license. This credential may qualify candidates for the higher end of the salary range, depending on experience and overall qualifications.
  • Internship or project experience within semiconductor or advanced manufacturing facilities.
  • Familiarity with industry standards such as SEMI or ASME B31.3.
  • Exposure to commissioning, startup, or field support activities.

Compensation & Benefits:
SSOE offers a competitive total compensation package designed to support and empower our employees and their families.
  • Salary: $105,000 - $150,000 per year, commensurate with location, education, and depth of experience.
  • Incentives: Leadership bonus program and ownership investment opportunities. We believe the people who build SSOE should share in its success.
  • Health & Wellness: Comprehensive medical, dental, and vision insurance; employer-paid life insurance; and wellness program support.
  • Retirement: 401(k) plan with company match.
  • Professional Growth: Dedicated professional development funding, PE licensure and certification exam support, conference attendance, and structured career advancement programs.
  • Time Off: Generous paid time off (PTO) policy plus paid holidays.
  • Work-Life Balance: SSOE actively supports flexible scheduling within project commitments and a culture that genuinely respects your time outside the office.

This role offers the opportunity to build on your foundational experience while working on some of the most technical and innovative facility projects in the industry. You will gain hands-on exposure to complex systems, learn from experienced engineers, and take on increasing responsibility as your skills grow. Our team emphasizes mentorship, collaboration, and practical engineering solutions. You will be supported in your professional development while contributing to meaningful, high-impact projects that push the boundaries of advanced manufacturing and facility design.

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