Date:  Jun 16, 2025
Location: 

Houston, TX, US, 77024

Job Function:  Information Technology
Requisition Number:  5392

Title:  Sr. Network Engineer

 
 

The Opportunity 

  • Sr. Network Engineer at a growth-oriented energy company 

  • Play a key role in shaping the future of the company’s enterprise and industrial network standards, with the opportunity to influence architecture across diverse environments 

  • Develop hands-on experience with cloud networking solutions and hybrid connectivity, including AWS integration and cloud-based firewalls 

  • Reporting to the Director, IT Infrastructure, this position will be responsible for designing, securing, maintaining, and optimizing network infrastructure across our refinery, logistics, and retail environments 

 

Key activities include:  

  • Design, implement, and manage network infrastructure including switches, routers, firewalls, and access points across multiple industrial and commercial sites 

  • Support daily operations and troubleshooting for IT and OT networks in refinery, logistics, and retail settings 

  • Maintain and secure network connectivity across SCADA, control systems, and business applications 

  • Ensure consistent application of security policies and procedures across all sites, including firewall rule reviews and segmentation best practices 

  • Configure and manage Cisco, Fortinet, and Palo Alto network equipment 

  • Assist with developing network standards, configuration templates, and documentation to support consistency and scalability 

  • Collaborate with cybersecurity, infrastructure, and application teams to align network design with security and operational requirements 

  • Analyze network performance metrics and recommend improvements for reliability, throughput, and fault tolerance 

  • Perform firmware upgrades, vulnerability mitigations, and proactive maintenance across all network layers 

  • Assist with planning and execution of network refresh projects, including lifecycle replacements and site expansions 

  • Participate in after-hours support rotations and be available for onsite visits to field locations as required 

  • Maintain up-to-date network diagrams and documentation, including IP address schemes, hardware inventories, and configuration backups. 

Note: This description is intended to give you a general overview of the position. Additional responsibilities and opportunities may be identified based on current business needs. 

 

Qualifications 

To meet the basic qualifications for this role, you will have legal authorization to work permanently in the United States for any employer without requiring a visa transfer or visa sponsorship.  

 

Additional qualifications include:     

  • Bachelor’s degree in Computer Science, Information Technology, or a related field required 

  • Minimum 7 years of hands-on experience in enterprise and industrial network engineering roles required 

  • Strong experience with network troubleshooting across Layers 1–7, including packet capture and protocol analysis required 

  • Expertise with Cisco network technologies (routing, switching, wireless), Fortinet firewalls, and Palo Alto next-gen firewalls required 

  • Familiarity with managing both IT and OT environments and an understanding of the unique challenges in industrial settings preferred 

  • Strong understanding of network security principles, VLAN segmentation, ACLs, VPNs, and Zero Trust concepts required 

  • Experience in designing and implementing resilient WAN, LAN, and wireless solutions across distributed sites required 

  • Excellent documentation, communication, and team collaboration skills required 

  • Willingness to travel to refinery, retail, and logistics sites as needed (estimated up to 25%) required 

  • Ability to work independently and collaboratively in a fast-paced environment, adjusting to shifting priorities and unexpected changes preferred 

 

 

About Us 

At Par Pacific, we own and operate market-leading energy and infrastructure businesses in logistically complex markets. We have built a team of oil and gas industry veterans and subject matter experts to lead our organization with an entrepreneurial spirit and a collaborative, problem solving approach. We bring our diverse strengths and motivation to complex markets where we seek out diamonds in the rough. As a nimble, growing organization, we actively pursue new opportunities with corporate financing know-how, respond to local market demands, and adapt to changing external environments. 

 

More Good Reasons to work for Par Pacific  

Unique Culture 
There is nothing ordinary about Par Pacific -- a niche player in the energy space. And there's certainly nothing ordinary about Par Pacific employees. We are driven, hardworking, entrepreneurial-minded professionals who love to win. If that describes you, you'll fit right in.  

   

Location, Location, Location 
Because Par Pacific operates in some of the most beautiful places throughout the country, our employees get to make these places their home and enrich their lives. The office where you'll work is in the CityCentre in Houston, Texas, located on the west side of Houston near I-10 and the Sam Houston Tollway. It's a vibrant area of the city with plenty of places for lunch or to wind down after work. 

 

Opportunistic growth strategy 
At Par Pacific, we look for operations with strong fundamentals and great employees who can move a business forward. Our management team has deep experience in the energy industry, as well as in leading mergers, acquisitions, and integrations of newly acquired companies.  

 

Focused on the future 
We are an energy company that has recognized the imperative and embraced the opportunity to begin the transition from fossil fuels. We are developing products that help reduce greenhouse gas emissions. 

 

Excellent compensation and benefits 
In addition to a competitive salary, we offer a strong comprehensive benefits package that includes medical, dental and vision insurance, a robust allotment of paid time off, a 401(k) with company match, retirement savings plans, educational reimbursement, and more. Full-time employees (and their families) are offered medical (with prescription coverage), dental, vision, voluntary critical illness, accident, life/AD&D insurance, Flexible Spending Account and Employee Assistance Program.  Employees can purchase company stock at discounted prices through the Employee Stock Purchase Program.   

 

Our Headquarters 
Par Pacific Holdings, Inc., based in Houston, Texas, owns, manages and maintains interests in energy and infrastructure businesses. We are a growing energy company focused on renewable and conventional fuels in the Western United States. Par Pacific also owns 46% of Laramie Energy, LLC, a natural gas production company with operations and assets concentrated in Western Colorado.  Our common stock is publicly traded on the NYSE under the trading symbol "PARR".   

 

Our Refineries and Logistics Operations 
We own and operate refineries in Hawaii, Montana, Washington, and Wyoming, with total operating throughput capacity of over 219 Mbpd. Par Pacific owns and operates one of the largest energy networks in Hawaii with 94,000 bpd of operating refining capacity, a logistics system supplying the major islands of the state and 90 retail locations. In the Pacific Northwest and the Rockies, Par Pacific owns and operates 124,000 bpd of combined refining capacity and related multimodal logistics systems. 

 

Our Retail Operations   
We own and operate over 90 retail locations in Hawaii under the Hele and 76 brands and over 30 retail locations in Washington and Idaho under the nomnom brand.  

 

 

Par Pacific is an equal opportunity employer 
Par Pacific prohibits discrimination and harassment of any type and affords equal employment opportunities to employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status,genetic information or any other status protected by applicable law.   

 

Note: Par Pacific will not accept calls or unsolicited resumes from third-party recruiters. All candidates are required to apply through this web posting.   


Nearest Major Market: Houston

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