Advisory Engineer (Criticality Safety

Company: Longenecker & Associates
Location: Aiken
Posted on: February 15, 2026

Job Description:

Job Description Job Description OVERVIEW Longenecker & Associates (L&A) seeks a motivated Advisory Engineer Advisory Engineer (Criticality Safety) to contribute to our mission supporting our work at Savannah River Nuclear Solutions in Aiken, SC . L&A is a woman-owned small business and trusted partner enabling critical missions across the U.S. Department of Energy (DOE) complex for more than 30 years. We contribute to DOE’s nuclear security and environmental remediation enterprise by providing the highest-caliber staff and experts. L&A is unconditionally committed to mission success and the well-being of employees, the nation and the environment. Our team members are passionate about building a healthier environment for generations to come. We are a community that interfaces and effectively communicates with all levels of management and government. If you have a passion for excellence, seek opportunities to engage in mission critical work, and consistently exceed expectations, apply now to join our professional family. Please note: this role is hybrid, with an expected schedule of 50% onsite and 50% remote. POSITION DESCRIPTION The main duties include, but are not limited to: · Initiate own technical programs and make recommendations to management on technical programs based on analysis of customer needs and technology trends, reach solutions to the most complex technical problems in field{s) of expertise and to influence solutions in neighboring disciplines, · Apply technical experience in field of specialization or broad-based experience in multiple technical fields, and use other technical resources in the company and external resources, to resolve complex problems, · Incorporate advanced technical practices and a variety of complex features such as complicated technical requirements, application of new or special materials or processes and difficult coordination or oversight requirements into problem solving and program planning, · Develop solutions to the most complex technical problems in areas of expertise and in adjacent technical fields, Influence technical direction of other parts of the department, acts as a technical communicator across disciplines to optimize the creative solution of technical problems, · Conceive needed programs for self and for others in the department, · Put needs in perspective with regard to other technical needs at SRNS, · Sponsor new ideas in the department Prepare plans including schedules, budgets and personnel requirements for solving major technical tasks for division, · Develop schedules, monitor progress, monitor expenditures of budget and review quality of work performed, · Include research, development, testing, quality assurance requirements, · Communicate results verbally and in manuscripts form, · Report regularly the results and represent SRNS and SRS in technical areas to oversight groups and professional societies, · Support the SRNS Nuclear & Criticality Safety Engineering organization in the development, review, and implementation of criticality safety documentation for various facilities at the Savannah River Site, · Provide technical assistance in developing criticality safety documents and analyses, criticality safety controls, and related technical support documentation, · Ensure that the development of criticality safety documentation complies with requirements and as necessary, and applicable controls are implemented in field procedures, · Conduct Criticality Safety Program assessments and maintain program manuals, · Lead and direct junior staff in coordinating efforts to complete complex activities, · Mentor and train new criticality safety engineers, · Mentor less senior professionals in communication skills, · Maintain excellent technical credibility by contributing significantly toward meeting Site missions and goals which may be demonstrated by issuing reports, making presentations, and /or involvement in national technical organizations, · Mentor less senior professionals as a means of transferring technical knowledge and insight, Recommend engineering and technology research, development and application programs for others and assist in the planning of such programs, · Demonstrate commitment to TQ concepts by active leadership leading to successful implementation of Division and Department TQ Initiatives, · Be a resource for TQ initiatives in Department and Divisions. EDUCATION REQUIREMENTS · PhD degree and about 15 years experience, · MS degree and 17 years experience, · BS degree and about 21 years experience. MINIMUM QUALIFICATIONS · Candidate must demonstrate a minimum of 25 years of recent experience in the nuclear/criticality safety industry through support of the Department of Energy (DOE) or the commercial nuclear industry. Alternate combination of education and experience will be considered where candidate has an advance degree, · Previous experience with the use and implementation of 10 CFR 830, DOE O 420.1C, and related directives and standards is required · Candidate must demonstrate personal accountability for facility/project schedules, deadlines, budgets, and the safe performance of work; and proficiency in performing Criticality Safety Program assessments, · Demonstrated proficiency in the use of a criticality safety code (MCNP or SCALE) is required, · Ability to fulfill and promote L&A core values. DESIRED QUALIFICATIONS · Candidates who have possessed an active DOE clearance (L or Q) within the past two (2) years are preferred, · Previous experience in developing, reviewing, and maintaining SRS criticality safety documents is preferred, · Demonstrated previous SRS nuclear and criticality safety engineering experience and qualifications is preferred. LOCATION · Aiken, South Carolina, · Anticipated Work Schedule: 6:00am- 4:30 pm EST Mon-Thurs, · Onsite or Remote? 50% onsite 50% Remote (approx) Local candidates or willing to relocate at the candidate's expense. PHYSICAL REQUIREMENTS AND WORKING CONDITIONS Successful candidates will be able to perform the essential functions of the job with reasonable accommodation. This job posting reflects management’s assignment of essential functions and the descriptions listed do not restrict management’s right to assign or reassign duties and responsibilities to this job at any time. PRE-EMPLOYMENT SCREENING Please note that marijuana remains a Schedule I controlled substance under Federal Law. Federal contractors must follow Federal drug-free workplace rules, which prohibit marijuana use, even if medical or recreational use is permitted under State Law. SALARY AND BENEFITS As an L&A employee, you will be eligible for a competitive salary as well as a comprehensive benefits package including healthcare (medical and dental), 401K plan, and paid time off. We believe in investing in our employees beyond compensation and as an L&A employee, you will have access to in-house training, career pathing, mentoring, award programs, tuition reimbursement and much more. L&A is an Equal Opportunity Employer and all qualified applicants will receive consideration for employment regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin, age, or status as a qualified individual with a disability or protected veteran.

Keywords: Longenecker & Associates, Greenville , Advisory Engineer (Criticality Safety, Engineering , Aiken, South Carolina