John Keffer
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John Keffer Email & Phone Number

Reactor Supervisor at UC Irvine
Location: Irvine, California, United States 10 work roles 6 schools
1 work email found @uci.edu LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

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Work email j****@uci.edu
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Current company
Role
Reactor Supervisor
Location
Irvine, California, United States

Who is John Keffer? Overview

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Quick answer

John Keffer is listed as Reactor Supervisor at UC Irvine, based in Irvine, California, United States. AeroLeads shows a work email signal at uci.edu and a matched LinkedIn profile for John Keffer.

John Keffer previously worked as Reactor Facility Manager at Uc Irvine and Hardware - Sales Associate at The Home Depot. John Keffer holds College Of Extended Studies, Project Management (Pmp) Certificate from San Diego State University-California State University.

Company email context

Email format at UC Irvine

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{first_initial}{last}@uci.edu
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AeroLeads found 1 current-domain work email signal for John Keffer. Compare company email patterns before reaching out.

Profile bio

About John Keffer

Facilities and Project Management, Engineering Professional with 30+ years of experience in power generation gas turbine projects, financial analysis, and nuclear reactor engineering operations support and reload design.

Listed skills include Power Generation, Project Engineering, Engineering, Energy, and 32 others.

Current workplace

John Keffer's current company

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UC Irvine
Uc Irvine
Reactor Supervisor
Irvine, CA, US
AeroLeads page
10 roles · 39 years

John Keffer work experience

A career timeline built from the work history available for this profile.

Reactor Supervisor

Irvine, CA, US

Reactor Supervisor

Current

Irvine, California, United States

  • Operations are supervised by the Reactor Supervisor (Level 3) who holds a valid senior operator’s license for the facility. This position is responsible for assuring that all operations are conducted in a safe manner.
  • Maintain reactor and radiation detection equipment in support of operations, research, and training… Show more Operations are supervised by the Reactor Supervisor (Level 3) who holds a valid senior operator’s license.
  • Maintain reactor and radiation detection equipment in support of operations, research, and training activities.
  • Installed and tested upgraded Area Radiation Monitoring (ARM) System.
  • Installed Digital Chart Recorder for TRIGA Neutron Flux and Fuel Temperature Monitoring.The Department of Chemistry Nuclear Reactor Facility - equipped with a Mark I TRIGA type reactor - is primarily used for neutron.
Jun 2022 - Present

Reactor Facility Manager

Current

Irvine, California, United States

  • The Reactor Supervisor is responsible for operation, compliance, and safety of the Nuclear Reactor Facility at UCI.
  • Senior Reactor Operator (SRO), License # SOP-504280, Docket # 55-76006 (2021).Senior Reactor Operator (SRO), License # SOP-504280, Docket # 55-76006, effective June 14,2021.
Mar 2020 - Present

Hardware - Sales Associate

Encinitas, CA

  • Customer Sales Support
  • Stocking and Inventory
Apr 2019 - Mar 2020

Principal Project Engineer

Greater San Diego Area

  • Served as the PE for 40+ industrial gas turbine generator set projects, with supply of combined heat and power (CHP) heat recovery steam generators, medium voltage electrical equipment, and fuel gas compressors and.
  • Supported execution of $20M+ revenue projects from initiation to delivery, installation and customer acceptance.
  • Led technical strategy, definition, and direction of project teams.
  • Represented organization as the prime technical contact on… Show more
  • Represented organization as the prime technical contact on projects.
  • Coordinated with customer project management and engineering teams and internal sales order groups.
2004 - 2016 ~12 yrs

Project Applications Engineer

Greater San Diego Area

  • Served as the PAE for turbine generator cogeneration applications; provided support to field sales personnel.
  • Responsible for proposal content in response to customer RFP requirements.
  • Proposed content, prepared pricing, quoted delivery, and allocated revenue.
  • Coordinated responses to customer inquiries.
  • Managed commercial and technical risks.
  • Released equipment orders to manufacturing in a timely and accurate manner.
2002 - 2004 ~2 yrs

Financial Analyst

Greater San Diego Area

  • Contributed financial analyses for five new and existing product development teams to accomplish corporate internal rate of return on investment targets, and product cost reduction targets.
  • Developed, presented, and gained corporate approval of the Taurus 65 Business Plan.
  • Assessed actual budget to target plans for labor and material development expense and capital expenditures.
  • Managed budget accruals for combustion component expenditures.
  • Developed models of material and… Show more
  • Developed models of material and manufacturing processes for new product costs and learning curve schedule.
1998 - 2002 ~4 yrs

Group Lead, Nuclear

Greater Chicago Area

  • Directed activities of 6 reactor/system engineers for 2 x 830 MWe Power Plant.
  • Developed and implemented standards for communicating reactor operating recommendations for plant operations.
  • Responsible for core thermal power calculations, reactor monitoring software, source through power range neutron monitoring instrumentation, refueling equipment, control rod sequencing, fuel reliability, new fuel.
  • Responsible for core thermal power calculations, reactor monitoring software, source through power range neutron monitoring instrumentation, refueling equipment, control rod sequencing, fuel reliability, new fuel.
  • Managed $2M control rod replacement and training budget. Show less
1995 - 1998 ~3 yrs

Principal Engineer

Greater Chicago Area

  • Qualified as a Station Nuclear Engineer; provided direction for reactor operations.
  • Monitored and performed daily surveillances of operating equipment.
  • Directed handling and optimized use of $30M of fuel annually within design limits.
1993 - 1995 ~2 yrs

General Engineer

Greater Chicago Area

  • Designed Boiling Water Reactor refuel cores and operating strategies for Quad Cities, LaSalle, and Dresden Stations.
  • Led fuel bundle design and licensing activities within manufacturing and plant outage schedules.
  • Obtained regulatory approval for in-house design methodology.
  • Simplified fuel economic analyses to save time and money.
  • Coordinated new hire interviewing process, helped create summer and coop staffing program with Human Resources.
1987 - 1993 ~6 yrs
6 education records

John Keffer education

Bachelor Of Science, Nuclear Engineering, Honors And High Distinction

Activities and Societies: American Nuclear Society, Tau Beta Pi, Engineer's Council

16.00X: Introduction To Aerospace Engineering: Astronautics And Human Spaceflight

FAQ

Frequently asked questions about John Keffer

Quick answers generated from the profile data available on this page.

What company does John Keffer work for?

John Keffer works for UC Irvine.

What is John Keffer's role at UC Irvine?

John Keffer is listed as Reactor Supervisor at UC Irvine.

What is John Keffer's email address?

AeroLeads has found 1 work email signal at @uci.edu for John Keffer at UC Irvine.

Where is John Keffer based?

John Keffer is based in Irvine, California, United States while working with UC Irvine.

What companies has John Keffer worked for?

John Keffer has worked for Uc Irvine, The Home Depot, Solar Turbines, and Exelon Nuclear.

How can I contact John Keffer?

You can use AeroLeads to view verified contact signals for John Keffer at UC Irvine, including work email, phone, and LinkedIn data when available.

What schools did John Keffer attend?

John Keffer holds College Of Extended Studies, Project Management (Pmp) Certificate from San Diego State University-California State University.

What skills is John Keffer known for?

John Keffer is listed with skills including Power Generation, Project Engineering, Engineering, Energy, Project Management, Management, Six Sigma, and Gas.

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