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UPF Engineering Process Commissioning Specialist

gem-technologies

Full-time|On-site|Oak Ridge, TN (Y-12)

ABOUT THE POSITIONJoin our dynamic team as a UPF Engineering Process Commissioning Specialist at the Y-12 National Security Complex, where you will play a pivotal role in supporting the Department of Energy's mission! This full-time position is located in Oak Ridge, Tennessee.Key ResponsibilitiesOversee the validation and implementation of UPF safety protoco…

Mar 31, 2026

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Senior Nuclear Criticality Engineer

Gem Technologies, Inc.

Full-time|On-site|Oak Ridge, TN (UPF)

ABOUT THE ROLEJoin our dynamic team as a Senior Nuclear Criticality Engineer at the Uranium Processing Facility in Oak Ridge, Tennessee. This full-time position offers an exciting opportunity to contribute to the design and construction of pivotal nuclear facilities.Key ResponsibilitiesSupport the nuclear aspects related to the design and construction of the Uranium Processing Facility (UPF).Develop, revise, and peer-review Criticality Safety Evaluations (CSEs), Technical Deviations (TDs), and other Nuclear Criticality Safety (NCS) technical basis documentation.Conduct facility walkdowns, review implementing documents, and actively participate in Operational Safety Boards.Identify and resolve any non-compliance or discrepancies with safety requirements.Develop and execute calculations pertinent to nuclear facilities.Ensure that all design requirements are effectively met.Create, review, and implement Nuclear Criticality Safety Evaluations (NCSEs) and Determinations (NCSDs).Assist in the implementation and maintenance of the NCS program, including operability evaluations and problem report dispositions.Foster a robust safety culture, embracing zero-accident philosophies and promoting safe work practices across operational areas.Review operational areas to gauge compliance with NCS protocols.Conduct thorough NCS evaluations.

Jan 22, 2026

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Flexible Legal Process Server

ABC Legal Services

Part-time|On-site|Oak Ridge, Florida

Choose Your Hours – Earn As You Go!As a Legal Process Server with ABC Legal Services, you have the freedom to work on your own terms. Enjoy a flexible schedule while delivering legal documents in your area. Our comprehensive training and cutting-edge mobile app empower you to claim jobs, navigate your routes, and track your earnings with ease.About ABC Legal ServicesABC Legal is a leading provider of legal services across the nation. Serving banks and law firms, we adhere to court regulations and civil procedure standards. We prioritize integrity and precision, seeking organized, independent, and approachable individuals to deliver legal documents in all 50 states.Keys to Success as a Process ServerStay organized.Plan your delivery routes effectively.Schedule deliveries when recipients are likely to be home.Maintain a friendly demeanor with those you interact with.Successful Process Servers operate autonomously, possess an entrepreneurial spirit, take pride in their work, and enjoy engaging with others. Whether you're pursuing a full-time career or a part-time position, delivering legal documents with ABC provides the perfect opportunity for a flexible work-life balance beyond the traditional office.

Mar 20, 2026

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Mid-Career Project Controls Specialist

Navarro Research and Engineering

Full-time|On-site|Oak Ridge, Tennessee, United States

Navarro Research and Engineering is hiring a Mid-Career Project Controls Specialist in Oak Ridge, Tennessee. This position supports complex government projects for agencies such as the Department of Energy (DOE), National Nuclear Security Administration (NNSA), NASA, and the Department of Defense. The role focuses on planning, scheduling, and project controls for high-stakes government initiatives. Candidates should bring strong scheduling skills, especially with Oracle Primavera (P6), and experience working in classified environments. Familiarity with DOE project management and Earned Value Management (EVM) requirements is essential. Main responsibilities Develop, maintain, and analyze detailed, logic-driven, resource-loaded project schedules using Oracle Primavera (P6). Assist with baseline schedule development, status updates, forecasting, and critical path analysis. Apply project controls best practices for scope, schedule, cost, change control, and performance measurement. Support change control processes, including preparing and evaluating schedule impacts and baseline change documentation. Collaborate with project management and Control Account Managers (CAMs) on schedule performance analysis and reporting. Contribute to Earned Value Management System (EVMS) activities in line with DOE Order 413.3B and EIA-748 guidelines. Create and maintain reports and schedule metrics to support management decisions. Work with project stakeholders in a classified environment to ensure schedule integrity and alignment with project objectives. Assist with risk management tasks, including schedule risk analysis and mitigation planning. Requirements Proven scheduling expertise, particularly with Oracle Primavera (P6). Experience supporting project controls for government or classified projects. Knowledge of DOE project management and EVM requirements. Navarro is a federal contractor recognized for its work in clean energy, nuclear, and environmental solutions. The company values quality, safety, and innovation, and operates programs across the United States from its Oak Ridge headquarters.

Apr 22, 2026

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Events Specialist

Crossmark Inc.

Full-time|On-site|Oak Ridge

Join our dynamic team as an Events Specialist at Crossmark Inc., where you will play a crucial role in planning and executing a variety of events that engage our audience and promote our brand. As an Events Specialist, you will coordinate logistics, manage vendor relationships, and ensure that all events run smoothly from concept to completion.

Aug 3, 2016

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Dynamic Events Specialist

Crossmark

Full-time|On-site|Oak Ridge

We are seeking a passionate and detail-oriented Events Specialist to join our dynamic team at Crossmark. In this exciting role, you will be responsible for planning, coordinating, and executing a variety of events that engage and inspire our audience. You will work closely with internal teams and external vendors to ensure that each event is successful and aligns with our brand's vision.

Aug 3, 2016

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Project Controls Specialist

Gem Technologies, Inc.

Full-time|On-site|Oak Ridge, TN (Y-12)

As a Project Controls Specialist at Gem Technologies, Inc., you will play a critical role in ensuring the success of our projects through effective planning, monitoring, and control practices. You will collaborate with project managers and stakeholders to deliver accurate project forecasts, track progress, and implement best practices in project control.

Apr 9, 2026

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Waste Management Specialist

Gem Technologies, Inc.

Full-time|On-site|Oak Ridge, TN (Y-12)

Gem Technologies, Inc. seeks a full-time Waste Management Specialist for the Y-12 National Security Complex in Oak Ridge, TN. This role supports waste management activities that contribute to national security operations. Key responsibilities Handle daily tasks as part of the Waste Management Program. Prepare and maintain documentation related to waste and weapon component management. Collaborate with Process Engineering to review weapon procedures and ensure proper waste accumulation and processing methods. Assist Subcontractor Construction Management by completing waste characterization documents and approving Construction Waste Management Plans. Advise subcontractor teams on best practices for waste management. Support internal and external audits and assessments of the Waste Management Program. Develop and update operational procedures to improve efficiency and maintain program continuity.

Apr 21, 2026

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Project Engineer - Advanced Solutions in Nuclear Engineering

Navarro Research and Engineering

Full-time|On-site|Oak Ridge, Tennessee, United States

Join Navarro Research and Engineering as a Project Engineer in Oak Ridge, TN, where you will provide essential Project Engineering support and coordination for a diverse range of projects, including but not limited to Commercial, Infrastructure, Production Modernization, and Production Stockpile initiatives. You will play a pivotal role in the planning, design, and implementation of advanced machine tools and necessary infrastructure upgrades.Your technical expertise will guide and lead multi-disciplined engineering teams in high-profile plant initiatives, ensuring compliance with ASME Nuclear Quality Assurance (NQA-1) standards within nuclear facilities. You will be responsible for planning and directing engineering activities, establishing detailed project scopes, budgets, schedules, and coordinating efforts with Production, Maintenance, Project Management, Construction, Startup, and Project Controls personnel. Additionally, you will monitor project progress against approved schedules and implement corrective actions as necessary.Navarro Research and Engineering is an award-winning federal contractor committed to partnering with clients to propel clean energy and provide solutions to complex challenges in the nuclear and environmental fields. By joining Navarro, you will be part of an exceptional team that prioritizes quality and safety while pursuing innovative strategies that enhance value for client success. Navarro, headquartered in Oak Ridge, Tennessee, has active programs nationwide for DOE/NNSA, NASA, and the Department of Defense.

Feb 19, 2026

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Electrical Engineer (Instrumentation & Controls)

Navarro Research and Engineering

Full-time|On-site|Oak Ridge, Tennessee, United States

Navarro Research and Engineering is seeking a skilled Electrical Engineer specializing in Instrumentation and Controls to join our dynamic team in Oak Ridge, TN.As a recognized leader in the federal contracting space, Navarro is dedicated to driving advancements in clean energy and delivering innovative solutions to complex challenges within the nuclear and environmental sectors. By joining our team, you will be part of a collaborative environment that prioritizes quality, safety, and creative problem-solving to ensure our clients' success. Our headquarters in Oak Ridge, Tennessee allows us to serve various programs across the nation, including partnerships with DOE/NNSA, NASA, and the Department of Defense.In this role, you will play a vital part in developing high-quality design packages, providing engineering procurement, and offering field technical support to implement these designs. You will leverage your expertise to troubleshoot and assess plant systems effectively.Your responsibilities will include creating conceptual engineering deliverables, cost estimates, statements of work, design criteria, and detailed design engineering outputs such as calculations, construction specifications, and equipment specifications. You will also conduct walkdowns of existing plant facilities to generate design documents and support craft personnel in the field.Electrical Engineers at Navarro apply their extensive technical knowledge and a broad range of engineering principles with a focus on instrumentation and controls for equipment process monitoring and control. You will be expected to develop self-performed technical solutions to various challenges by adhering to established engineering practices, codes, and standards.In addition, you will be responsible for preparing conduit and cable schedules, equipment plans, one-line diagrams, wiring and connection schematics, loop diagrams, sections, elevations, details, calculations, datasheets, and construction specifications. You will also create control cabinet assembly drawings and system diagrams, developing control logic for both batch and continuous processes utilizing conventional analog instrumentation, distributed digital control systems, and PLC/HMI technologies. Additionally, you will assist in developing process control narratives and input for Process and Instrumentation Diagrams (P&IDs).

Feb 3, 2026

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Immediate Hiring Opportunity - Retail Merchandising Specialist

Crossmark

Full-time|On-site|Oak Ridge

Join our dynamic team as a Retail Merchandising Specialist! We are looking for enthusiastic individuals who are ready to contribute to our high-energy environment. In this role, you will engage directly with customers, showcase products, and ensure that retail displays are visually appealing and aligned with our brand standards.

Jan 24, 2017

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Manufacturing & Fabrication Engineer

Gem Technologies

Full-time|On-site|Oak Ridge, TN (ORNL)

Join Our Team as a Manufacturing & Fabrication EngineerGem Technologies is excited to announce an opening for a Manufacturing & Fabrication Engineer to support the Oak Ridge National Laboratory. This full-time role is based in Oak Ridge, Tennessee, and offers a unique opportunity to contribute to innovative projects in the engineering field.Your Responsibilities:Perform detailed calculations and analyses to support design specifications and requirements.Ensure adherence to relevant codes and standards, including ASTM, ASME, AWS, GD&T, QS9000, and ISO14001.Assist in the development of reactor core component replacement and core alignment plans.Prepare material specifications and provide technical support for procurement activities.Oversee the procurement and fabrication processes for critical reactor vessel components.Ensure fabrication packages comply with RRD Fabrication Control, SEP-0240.Manage documentation and engineering drawings for fabrication components, ensuring compliance with RRD Configuration Management, SEP-0100.Provide design support and review drawings to enhance manufacturability.Develop and review design specifications to establish acceptance criteria for component fabrications.Collaborate with vendors and personnel to create testing and inspection plans.Conduct vendor visits to witness tests and carry out in-process inspections.Document and resolve any nonconformance or deviations identified during the fabrication process.

Feb 18, 2026

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Instrumentation & Controls Engineer at Navarro Research and Engineering | Oak Ridge, TN

Navarro Research and Engineering

Full-time|On-site|Oak Ridge, Tennessee, United States

Join Navarro Research and Engineering as an Instrumentation & Controls (I&C) Engineer (3833) in Oak Ridge, TN. We are an award-winning federal contractor dedicated to collaborating with clients to foster clean energy solutions and tackle complex challenges in nuclear and environmental sectors. At Navarro, you will be part of a distinguished team that values quality and safety, while continuously seeking innovative strategies to enhance client success. With our headquarters in Oak Ridge, Tennessee, we run active programs nationwide for DOE/NNSA, NASA, and the Department of Defense.As an Instrumentation & Controls (I&C) Engineer, you will spearhead and support intricate process control engineering initiatives, including digital control systems, test stands, and chemical process systems. This role encompasses the entire engineering lifecycle—from identifying problems to design, implementation, testing, and commissioning—while advocating for data-driven decision-making, automation, and disciplined configuration management. This position demands a blend of hands-on technical execution and leadership, along with vendor coordination and effective client engagement.

May 1, 2026

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Structural Engineer at Navarro Research and Engineering | Oak Ridge, TN

Navarro Research and Engineering

Full-time|On-site|Oak Ridge, Tennessee, United States

Join the innovative team at Navarro Research and Engineering as a Structural Engineer in Oak Ridge, TN. We are an award-winning federal contractor focused on developing clean energy solutions and tackling complex challenges in the nuclear and environmental sectors.At Navarro, we pride ourselves on our commitment to quality and safety, while continuously seeking innovative strategies to enhance client success. Headquartered in Oak Ridge, Tennessee, we support a variety of programs across the nation for esteemed clients such as the DOE/NNSA, NASA, and the Department of Defense.As a Structural Engineer, you will play a pivotal role in creating high-quality design packages, providing engineering procurement and field support, and offering technical assessments of plant facilities. Your responsibilities will include preparing conceptual engineering deliverables, such as cost estimates, design criteria, and detailed design documents. You will collaborate with an integrated project team, contribute to multi-discipline tasks, and engage with system engineers and plant customers.This position demands technical expertise and a comprehensive understanding of Structural Engineering principles, codes, and standards. Key responsibilities include building evaluations, seismic analyses, overseeing outside engineering firms, and ensuring robust design of steel and concrete structures. Proficiency in developing structural drawings and conducting structural calculations is essential. Familiarity with CAD drafting and 3D modeling, particularly using STAAD.Pro, is preferred.The ideal candidate will demonstrate the ability to plan, self-perform, and direct engineering design activities, ensuring alignment with project scope, timelines, and requirements.

Feb 19, 2026

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Electrical Instrumentation & Controls Engineer

Gem Technologies, Inc.

Full-time|On-site|Oak Ridge, TN (ORNL)

JOIN OUR TEAMGem Technologies, Inc. is excited to invite applications for the position of Electrical Instrumentation & Controls Engineer to support the renowned Oak Ridge National Laboratory (ORNL) in Oak Ridge, Tennessee. This is a full-time opportunity to be part of a dynamic and innovative engineering team.Key ResponsibilitiesDesign and develop system architectures for new installations and upgrades for high-flux isotope reactor (HFIR) structures, systems, and components (SSCs).Conduct comprehensive calculations and technical analyses to enhance design development and validation processes.Ensure compliance with applicable codes and standards, including DOE Orders, ICC, IEEE, and nuclear standards.Draft and prepare design specifications along with establishing acceptance criteria for component enhancements.Revise material specifications and oversee procurement of materials critical to nuclear safety in alignment with regulatory mandates.Implement design modifications in line with configuration control processes and procedures established by RRD.QualificationsEducation & Experience – A Bachelor's Degree in Electrical Engineering or a related field, with at least 6 years of experience in DOE nuclear facilities, naval nuclear environments, or commercial nuclear plants.Citizenship – Applicants must be U.S. citizens due to the federal nature of the work.Clearance – Candidates must be able to obtain and maintain a government-issued security clearance if required.A thorough understanding of nuclear technology, including reactor safety basis, design, and construction fundamentals.Expertise in analog and digital circuitry, electric circuit theory, and AC power distribution principles.Proficient in circuit simulation tools, AutoCAD, and PCB design software.Familiarity with HMI/PLC control systems software is a plus.Basic understanding of DOE Orders and Standards such as DOE O 420.1C, DOE STD 1189, and DOE STD 1073-2016.Experience with configuration management and engineering change control within a nuclear setting.

Feb 18, 2026

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Electrical Engineering Designer

Navarro Research and Engineering

Full-time|On-site|Oak Ridge, Tennessee, United States

Join Navarro Research and Engineering as an Electrical Engineering Designer in Oak Ridge, TN. Applicants must possess an active DOE Q clearance to be considered for this role.Navarro Research & Engineering, an award-winning federal contractor, is committed to collaborating with clients to promote clean energy and deliver innovative solutions to complex challenges in the nuclear and environmental sectors. By joining Navarro, you become part of a dedicated team that prioritizes quality and safety while continuously exploring innovative strategies to enhance client success. With our headquarters located in Oak Ridge, Tennessee, Navarro actively engages in several programs across the nation with partners such as DOE/NNSA, NASA, and the Department of Defense.Key responsibilities include drafting in Bentley MicroStation, creating one-line diagrams, wiring diagrams, lighting and power plans, installation details, Instrumentation and Controls Diagrams, conduit and cable schedules, as well as fire alarm and communication drawings. Candidates should have experience with low and medium voltage power distribution and industrial control systems, along with familiarity with NFPA 70, NFPA 79, and UL508A standards. Additionally, you will be responsible for preparing data sheets, specifications, and walkdown reports, working collaboratively with electrical engineers and other CAD drafters within the same team. Supporting construction and operational activities related to design outputs is vital, and field walkdowns may be required in radiologically contaminated areas.

Mar 10, 2026

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Events and Promotions Specialist - Comprehensive Training Provided

The White Label Firm

Full-time|On-site|Oak Ridge

Join The White Label Firm as an Events and Promotions Specialist, where you will receive full training to excel in a dynamic environment. This role is perfect for enthusiastic individuals eager to learn about event management, marketing strategies, and promotional tactics. You will be part of a team that drives brand awareness and engages with the community through innovative events.

Jan 16, 2016

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Piping Engineer

Navarro Research and Engineering

Full-time|On-site|Oak Ridge, Tennessee, United States

Navarro Research and Engineering is seeking a skilled Piping Engineer to join our team in Oak Ridge, TN. An active DOE Q Clearance is mandatory for consideration.As an award-winning federal contractor, Navarro is committed to driving clean energy solutions and addressing complex challenges in the nuclear and environmental sectors. Becoming a part of Navarro means collaborating with an exceptional team focused on quality, safety, and innovative strategies that enhance client success. With our headquarters in Oak Ridge, Tennessee, we support various programs nationwide for DOE/NNSA, NASA, and the Department of Defense.Key Responsibilities:Provide comprehensive piping design engineering support for modifications within Cat 2 and Cat 3 facilities.Develop design output documentation including drawings, engineering instructions, data sheets, equipment specifications, equivalency evaluations, calculations, etc.Conduct pipe stress analysis; familiarity with AutoPipe is advantageous.Design in accordance with ASME B31.3 and ASME B31.1 standards.Collaborate with other engineering disciplines and plant organizations to ensure timely delivery of design outputs.Experience in NRC or DOE regulated environments is preferred.Understand Conduct of Engineering, Operations, and Maintenance in nuclear regulated settings.Exhibit excellent verbal and written communication skills, effectively interacting with clients, production teams, management, and staff.Willingness to perform field walk-downs and work in a production environment.

Feb 3, 2026

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Senior Mechanical Design Engineer at Navarro Research and Engineering | Oak Ridge, TN

Navarro Research and Engineering

Full-time|On-site|Oak Ridge, Tennessee, United States

Join the innovative team at Navarro Research and Engineering as a Senior Mechanical Design Engineer in Oak Ridge, TN. We are an award-winning federal contractor committed to advancing clean energy and providing effective solutions for complex challenges in the nuclear and environmental sectors.At Navarro, you will be part of a dedicated team that values quality, safety, and innovative strategies aimed at enhancing client success. With our headquarters located in Oak Ridge, Tennessee, we have active programs with the Department of Energy (DOE/NNSA), NASA, and the Department of Defense across the nation.We are looking for a Senior Mechanical Design Engineer who excels in the design and optimization of piping and mechanical systems in process-control environments managing liquids or gases. This pivotal role requires extensive knowledge in fluid dynamics, equipment specification, and structural analysis. You will take the lead in system design innovation with minimal supervision, ensuring all projects align with operational, regulatory, and safety objectives from inception to completion.

Aug 14, 2025

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Senior Mechanical Engineer at Navarro Research and Engineering | Oak Ridge, TN

Navarro Research and Engineering

Full-time|On-site|Oak Ridge, Tennessee, United States

Join Navarro Research and Engineering as a Senior Mechanical Engineer in Oak Ridge, TN. We are a distinguished federal contractor committed to advancing clean energy and providing innovative solutions for complex challenges in the nuclear and environmental sectors.At Navarro, we pride ourselves on our exceptional team that emphasizes quality and safety. We are actively involved in projects across the nation for the Department of Energy (DOE), National Nuclear Security Administration (NNSA), NASA, and the Department of Defense.In this pivotal role, you will engage in engineering process development and testing activities to enhance the manufacturing of gas centrifuges for the enrichment of UF6. The ideal candidate is experienced in engineering processes and possesses knowledge in areas such as rotordynamics, dynamic testing, signal processing, and software development.

Aug 14, 2025

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