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An Electronic Network Engineer (Level 2 or 3)
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems is looking to add an Electronic Network Engineer (Level 2 or 3) to join our team in either San Diego (Rancho Bernardo), CA or Palmdale, CA. This…
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Staff Systems Engineer - Configuration Management
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems has an opening for a Staff System Engineer-Configuration Management to join our team of qualified, diverse individuals within our Systems Engineering…
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Sr. Principal Systems Engineer - Configuration Management
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems has an opening for a Staff System Engineer-Configuration Management to join our team of qualified, diverse individuals within our Systems Engineering…
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Principal/ Sr. Principal Electronic Network Engineer
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems is looking to add a Principal or Sr. Principal Electronic Network Engineer to join our team in Rancho Bernardo, CA, The candidate should be a…
Added just now
Electronic Network Engineer
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems is looking to add an Electronic Network Engineer to join our team in either San Diego (Rancho Bernardo), CA. This position will be in our Avionics…
Added just now
Electronic Engineer - SW Infrastructure
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems is looking to add a Electronics Engineer - SW Infrastructure to join our team in San Diego (Rancho Bernardo), CA. The candidate should be a self-starter…
Added 6 mins ago
Senior Software Engineer, Full Stack and Advanced Algorithms
Google
Atlanta, GA
…including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and…
Added 6 mins ago
Software Engineer III, Site Reliability Engineering
Google
Raleigh, NC · Durham, NC
Triage product or system issues and debug/track/resolve by analyzing the sources of issues and the impact on hardware, network, or service operations and quality.
Added 10 mins ago
Senior Rack Power Engineer, Platforms
Google
Sunnyvale, CA
Experience in data center power system design including micro-grid design.
Added 10 mins ago
Software Engineer III, Search Security Engineering
Google
Mountain View, CA · Cambridge, MA · New York, NY · Seattle, WA
…including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and…
Added 10 mins ago
Senior Staff Software Engineer, AI/ML, Google Cloud Compute Infrastructure
Google
Sunnyvale, CA
Experience analyzing system-level performance across compute, memory, interconnects, and packaging trajectories.
Added 15 mins ago
Multi-Level Industrial Safety Engineer/Specialist
Idaho Environmental Coalition, LLC
Idaho Falls, ID
Added 15 mins ago
Safety Engineer
Micron Technology, Inc.
Boise, ID
As a Safety Engineer at Micron Technology, you will focus on the prevention of unplanned events that have the potential to harm people, property, or the environment at a large semiconductor…
Added 15 mins ago
Staff Full-stack Engineer - Shopping (Remote-eligible)
Capital One
Boise, ID
As a Staff Engineer at Capital One, you will be part of a community of technical experts working to define the future of banking in the cloud. You will work alongside our talented team of…
Added 15 mins ago
AI Engineer
Micron Technology, Inc.
Boise, ID
We are seeking an early-career Full-Stack AI Engineer to help design, develop, and deploy AI-powered applications that support Micron’s Autonomous Operations initiatives. This role offers…
Added 15 mins ago
Engineer I, II, or LSO - SCADA
Idaho Power Company
Boise, ID
Idaho Power - headquartered in vibrant Boise, Idaho - is looking for a SCADA Engineer to join our Power Supply team. It’s an exciting time to work for Idaho Power. Our work plays a critical…
Added 15 mins ago
Data Scientist 1
Baylor Scott & White Health
Boise, ID
…Baylor Scott and White is the largest not-for-profit healthcare system in Texas that empowers you to live…
Added 15 mins ago
Senior Financial Planning & Analysis Manager
Cornerstone OnDemand
Boise, ID
Support software capitalization analysis with Accounting and track engineering efficiency metrics (e.g., R&D as a percent of revenue, cost per engineer)
Added 15 mins ago
C
Senior QA Automation Engineer - Playwright & Selenium
Cognizant
Boise, ID
- $50,000 to $92,500 USD / year
Working within an Agile team, you will partner with cross-functional stakeholders to identify defects, validate system integrations, support User Acceptance Testing (UAT), and ensure…
Added 15 mins ago
On-Site Field Service Engineer III - Electron Microscopy - OMS - Boise, Idaho
ThermoFisher Scientific
Boise, ID
The Field Service Engineer III for the Materials and Structural Analysis Division (MSD) of Thermo Fisher Scientific is responsible for performing the on-site installation, servicing and…
Added 15 mins ago
Senior Substation Engineer - Physical Design (Seattle/Portland/Boise)
Jacobs
Boise, ID
…North America and is looking for a Senior Substation Physical Engineer in its Energy & Power Group to tackle the complexities of decarbonization and utility modernization to deliver a…
Added 15 mins ago
Platform Infrastructure Engineer
Maximus
Boise, ID
Maximus is seeking a highly skilled individual to join our team as a Platform Infrastructure Engineer. You will be responsible for the deployment and maintenance of several platforms…
Added 15 mins ago
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Regional Maintenance Manager
CBRE
Boise, ID
- $200,000 to $210,000 USD / year
Active real estate and/or Professional Engineer (PE) license may be required.
Added 15 mins ago
Sr Site Reliability Engineer -Remote US
SitusAMC
Boise, ID
…collaboration of diverse software components to enhance overall system efficiency and drive optimal performance in dynamic, cloud-native…
Added 16 mins ago
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Staff Software Engineer
Jobgether
Remote, United States
- $260,000 to $306,000 USD / year
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Software Engineer based in the United States.

HollyFrontier

Maintenance supervisor

Petrolia, PA, United States

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Job details

Posting language: English
Posted: Nov 2, 2026

Original job description

BASIC FUNCTION: The HF Sinclair Petrolia, Pennsylvania facility is looking for a Maintenance Supervisor. The successful candidate will manage and direct all maintenance work execution at the Petrolia plant to ensure field activities proceed in a safe, environmentally responsible, productive and cost effective manner while maintaining compliance with plant and regulatory agency standards. ESSENTIAL JOB DUTIES/RESPONSIBILITIES: 1. Lead and direct all mechanical maintenance work execution, ensuring activities are completed safely, efficiently, and in accordance with approved job plans. 2. Supervise mechanical craftspeople and contractors in the field, ensuring quality of work, productivity, and adherence to standards. 3. Execute daily maintenance activities in alignment with the approved schedule, adjusting field priorities as necessary and communicating deviations to the Planner Scheduler. 4. Ensure all work is performed in compliance with safety policies, OSHA regulations, PSM requirements, and established procedures. 5. Conduct regular field presence to monitor job progress, verify work quality, and reinforce safe work practices. 6. Lead daily toolbox meetings and safety discussions to promote a strong safety culture and hazard awareness. 7. Ensure proper execution of preventive maintenance activities, verifying work quality, completeness, and adherence to job plans. 8. Provide feedback to the Planner Scheduler and Maintenance Engineer to improve job plans, PM effectiveness, and work processes. 9. Monitor workforce performance, including headcount and timesheets, to ensure alignment with schedule, cost, and productivity targets. 10. Identify and address equipment issues, coordinating with the Maintenance Engineer on troubleshooting, root cause investigations, and corrective actions. 11. Support equipment reliability and continuous improvement efforts through active participation in RCA, MOC, and reliability initiatives. 12. Ensure contractors are executing work safely and in compliance with site standards; oversee field-level contractor performance and coordination. 13. Collaborate with Operations to coordinate equipment access, resolve conflicts, and ensure efficient execution of maintenance work. 14. Support execution of outages and turnarounds, ensuring work is completed according to plan, schedule, and safety expectations. 15. Maintain effective communication with Maintenance leadership regarding work progress, resource needs, risks, and delays. 16. Serve as backup to the Instrumentation and Controls Supervisor and provide support to the Planner Scheduler as needed, without primary responsibility for planning or scheduling. 17. Responsible for food safety inspections, utility systems including plant air, water and offsite wells, and the fire protection system outside production battery limits. Special assignments or tasks assigned to the employee by their supervisor, as determined from time to time in their sole and complete discretion. EXPERIENCE: 1. A minimum of seven years of related job experience is required. 2. Refining experience is preferred EDUCATION: 1. A minimum of an Associate's Degree or Technical Certification in maintenance operations or similar program. 2. Bachelor's degree in Mechanical Engineering is preferred. SKILLS AND QUALIFICATIONS: 1. Ability to read blueprints and drawings. 2. Technical problem solving skills including proficiency and understanding in various methods of root cause analysis. 3. Ability to decipher and work within requirements of a collective bargaining agreement. 4. Excellent communication skills and personal rapport to support the initiatives throughout the plant. 5. Knowledge of OSHA compliance requirements and other environmental and/or safety regulations. 6. Proficient in Microsoft products. 7. SAP Experience a plus. SUPERVISORY/MANAGERIAL RESPONSIBILITIES: Supervises mechanical craft and maintenanc employees and contractors while onsite. WORK CONDITIONS: Work is performed both indoors and outdoors. Petroleum refinery and driver-based environment including but not limited to chemical, pressure vessels, tanks, rotating equipment, working in confined spaces, and exposure to risk of electrical shock. Subject to all weather and varying road conditions. Occasionally required to work long hours which may include nights, weekends, holidays for regularly scheduled maintenance and emergency work and support as well as on-call availability. PHYSICAL REQUIREMENTS: Job conditions require standing, walking, sitting, twisting, stooping, crouching, kneeling, lifting and/or carrying up to 50 lbs, pushing and/or pulling up to 50 lbs, climbing up to 15 ft, talking or hearing, making visual inspections, making precise hand and finger movements, reaching or grasping, ability to operate and drive all assigned company vehicles at company standard insurance rates is essential, valid State driver's license and proof of insurance, perceiving color differences, ability to wear personal protective equipment and a respirator during emergency situations as needed. Benefits HF Sinclair offers a comprehensive benefits package designed to support the well-being of our employees and their families. Our benefits include, but are not limited to, the following: 1. Medical Insurance 2. Vision Insurance 3. Dental Insurance 4. Paid Time-Off 5. 401(k) Retirement Plan with match 6. Educational Reimbursement 7. Parental Bonding Time 8. Employee Discounts We are committed to fostering a supportive and inclusive work environment, ensuring our employees have the resources needed to thrive professionally and personally. Benefit eligibility is governed by official plan documents. Our One HF Sinclair Culture: At HF Sinclair, we are united through our One HF Sinclair Culture, which is underpinned by our five core values of Safety, Integrity, Teamwork, Ownership and Inclusion. Developed to empower our people, our five core cultural values are at the heart of everything we d

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More about this job

Skills

BASIC
Regulatory compliance
PSM
Preventive maintenance
Troubleshooting
Food safety
Inspection
Mechanical engineering
Problem solving
Root cause analysis
SAP
Wear protective equipment against industrial noise

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