Mid-Level Nuclear Engineer

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United States of America
US - CA, Pasadena
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Engineering/Engineering Support
In a world of possibilities, pursue one with endless opportunities. Imagine Next!

When it comes to what you want in your career, if you can imagine it, you can do it at Parsons.  Imagine a career working with intelligent, diverse people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We’ve got what you’re looking for.

Job Description:

Parsons is seeking to add a professionally licensed mid-level (6-10 years of relevant work experience) Nuclear Engineer to its engineering team with experience and capabilities in nuclear safety and hazards analyses, accident analyses, and safety evaluations; and integrating nuclear engineering/safety requirements with design requirements.

Company Background: The Parsons Nuclear Engineering staff includes engineers, scientists and physicists, health physicists, nuclear operators, safety analysts, and radiological protection engineers and technicians. Parsons is one of the largest Architect Engineer (AE) firms in the U.S. for nuclear facility design, construction, test and evaluation, startup and commissioning, and operations. Our analytic capabilities include fuels and materials performance studies; nuclear safety and criticality analyses; radiation shielding and As Low As Reasonably Achievable (ALARA) design; nuclear material handling and waste treatment process design and optimization; thermal and hydraulic analyses; and radiation assessments supporting Environmental Impact Statement (EIS) data package development.

What You'll Be Doing:

  • Nuclear Safety Analysis; Integrated Safety Analysis (ISA); Hazard and Accident Analyses

  • Safety Analysis Report Preparation; Safety Classification and Determination of Structures, Systems, and Component (SSC); Unreviewed Safety Question (USQ); Safety Basis Requirements

  • Modeling, Simulation, and Analysis (e.g., criticality, shielding, radiation field, dose rate, etc.)

  • Operational and Technical Safety Requirement (OSR, TSR) Development

  • Radiation Shielding Design

  • Nuclear Reactor Physics

  • Passive and Active (e.g., Radiography) Radiation Detection Systems

  • Nuclear System Operations Review

  • Criticality Prevention Evaluation / Analysis

  • Radioactive and Hazardous Waste Management; Hazardous Material Protection Evaluation

  • Quality Assurance/Nuclear Quality Assurance (NQA-1) Requirements Development / Review

  • Nuclear Regulations and Licensing Support

  • Safeguards and Security Requirements Development / Review

  • Hazard and Risk Assessment; Probabilistic Risk Assessment; Hazard and Operability Studies

  • Dose Consequence Analyses; Fate and Transport Analysis; Atmospheric Dispersion Modeling

  • Radiation Protection and Control, Health Physics, and Human Factors Requirements Development / Review

  • Developing and performing assessments of safety basis documents including Preliminary Documented Safety Analysis (PDSA) or Documented safety Analysis (DSA); verifying the adequacy of hazard analyses and accident analyses in compliance with applicable DOE Codes and Standards and supporting documentation; and confirming alignment of these analyses with applicable design bases, facility and system design descriptions (FDD/SDD), and other engineering documents

  • Supporting nuclear facility design development and reviews in areas of nuclear safety and engineering

  • Providing independent system design and operability reviews; assessments of facility and system construction and system / facility turnover; and assessments to verify that nuclear facility AE contractors have adequate safety basis design and quality documentation to support an Operational Readiness Review (ORR)

  • Performing walk-downs of selected nuclear related systems, reviewing system turnover documentation, system testing procedures and testing results, and operational testing and testing reports

  • Providing technical issue resolution and redesign effort oversight to address design and operability issues related to nuclear safety

  • Reviewing nuclear facility design alternatives, proposed code of record exceptions, technical risk assessments, value engineering proposals, and significant baseline change proposals

  • Identifying and preparing value engineering assessments for opportunities to reduce cost and schedule or reduce mission life cycle risk

  • Performing reviews of nuclear facility startup and commissioning plans and strategies, testing schedules, and resource plans for reasonableness and risk.

What Required Skills You'll Bring:

  • BS in Nuclear Engineering required; MS preferred

  • Professional Engineering (PE) license or Engineer in Training (EIT) certification towards taking the PE exam

  • Individual must possess knowledge in nuclear engineering and safety analysis functions, be proficient in application of nuclear engineering requirements to nuclear systems and facilities, with a minimum of 6-10 years of relevant work experience performing and documenting nuclear system hazards analyses, accident analyses, and safety evaluations; and successfully integrating nuclear safety requirements with other system / facility design requirements.

  • Individual must have relevant experience in application of DOE-STD-3009-2014, Preparation of Nonreactor Nuclear Facility Documented Safety Analysis, and be knowledgeable of DOE O 450.2, Integrated Safety Management, ASME Nuclear Quality Assurance (NQA-1) for Nuclear Facilities, and Code of Federal regulations 10-CFR-830 Subpart B - Safety Basis Requirements.

  • Significant engineering / design / operational experience in field execution.

  • Demonstrated qualifications and abilities in providing planning, control and compliance of work documents, to include contracts, nuclear facility / system designs, drawings, calculations, hazards and accident analyses, procurement specifications, construction submittals, component/system testing plans, operational preparation documents, etc.

  • Proof of U.S. citizenship or permanent residency is required due to government or federal requirements

  • Individual must be capable of obtaining a DOE site security badge

Minimum Clearance Required to Start:

Department of Energy (DOE-Q)

This position is part of our Federal Solutions team.

Our Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our diverse, intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.

Salary Range: 

$83,300.00 - $145,800.00

We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!

Parsons is an equal opportunity employer committed to diversity, equity, inclusion, and accessibility in the workplace. Diversity is ingrained in who we are, how we do business, and is one of our company’s core values. Parsons equally employs representation at all job levels for minority, female, disabled, protected veteran and LGBTQ+.

We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!

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We’re committed to delivering innovative infrastructure, defense and security solutions to enable a sustainable, safer, smarter and more connected world.


Founded in 1944, Parsons Corporation, a digitally enabled solutions provider, is focused on creating the future of the defense, intelligence, and critical infrastructure markets. From Earth to outer space, we deliver tomorrow’s solutions today. Equipped with the capabilities required to take on any defense, intelligence, or critical infrastructure challenge, our agile, innovative, and disruptive approach enables us to deliver solutions at the speed of relevance.

Our people are our greatest asset. We strive to be an employer of choice that engages employees in the community and creates rewarding career paths to cultivate a resilient workforce that is ready for the future.


Parsons has contributed to major infrastructure projects in Canada since the 1940’s, helping to design and build many well-known landscapes across the country, including the Regina Bypass, Turcot Exchange, Kicking Horse Canyon, Olivier-Charbonneau Bridge, and the Edmonton Light Rail Transit. Our markets are diverse, including Bridge, Tunnel, Road and Highway, Aviation, Rail and Transit, Smart Vehicle Solutions, Smart Mobility, Integrated Delivery, Environmental Remediation, Mining and Reclamation, and Water/Wastewater, as well as serving numerous industrial clients. The Parsons’ signature stands out and our achievements have been recognized via numerous awards for innovation and quality, particularly in long-span bridges, complex brigles, and major road networks expansions. Our teams work across Canada in many provinces, including Alberta, Ontario, Manitoba, British Columbia, Quebec, Saskatchewan, Northern Territories and the Yukon.

Parsons is an equal opportunity, drug-free employer committed to diversity in the workplace. Minority/Female/Disabled/Protected Veteran/LGBTQ+.

2021 Forbes The Best Employers for Diversity Badge

For more about Parsons, visit parsons.com and follow us on Facebook, Twitter, LinkedIn, and YouTube.

2023 Military Friendly Top 10 Employer Badge
Diversity, Equity, Inclusion & Belonging Badge
2023 World's Most Ethical Companies Ethisphere Badge
2023 Readers' Choice Top 50 Employer for STEM Workforce Diversity
2023Woman Engineer Magazine Top 50 Employer Badge
2023 Los Angeles Business Journal DEI Company of The Year Badge
2023 Equality 100 Leader in LGBTQ+ Workplace Inclusion Badge
2023 Vets Indexes 4 Star Employer Badge
2023 Military Times Best Employer for Vets Badge
Proudly Supporting ESGR Badge
2023 Minority Engineer Magazine  Reader's Choice Top 50 Employer Badge
2022 U.S. Department of Labor Gold Award Badge
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4 Continents

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75+ Years

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17,000+ Employees

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80+ Languages


Financial Wellness

We care about your financial wellbeing. Parsons offers competitive pay and retirement plans to help you build wealth for the future while giving you the flexibility to diversify your investments.

Work Life Harmony

Balance in life is important and time away from the office is imperative to allow you to refresh and focus your attention on the things that matter to you. Parsons supports your time away by providing paid time off and paid flexible holidays.

Career Development

We are committed to fostering the personal and professional growth of our employees. Develop and advance yourself though our comprehensive training, educational and mentorship programs.

Veteran Support

We provide Industry leading benefits to support veterans and active-duty members to provide security for you and your family by offering robust leave and benefits; including paid active-duty military leave and paid time off when transitioning back to civilian life.

Mind & Body

At Parsons we inspire healthier habits, heathier minds, and a healthier you through our wellness program. Participate in our weekly Meditation Mondays and Wellness Wednesdays. Wellness, at Parsons, is more than just your annual checkup.


Health is not a one size fits all. At Parsons, we offer a robust Employee Assistance Program as well as comprehensive medical, dental and vision plans through large, national carriers with the choice of regional PPO, HDHP, or HMO networks.

Want to learn more about the benefits eligible for the Parsons’ location you are interested in? Connect with one of our recruiters for further detail.

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Parsons has a long-standing reputation as an industry leader in domestic and international engineering and construction projects. The company also has a solid history supporting federal government work.”

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Sr. Corporate Recruiter


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