Network Engineer

Job Location:

Dallas, IA - USA

Monthly Salary: Not Disclosed

Posted on: 30+ days ago

Vacancies: 1 Vacancy

Job Summary

Basic Function

HF Sinclair is seeking a Network Engineer based in Dallas TX. This role is a senior-level technical role responsible for the architecture design implementation and operational support of enterprise network and connectivity services across onpremises hybrid and cloud environments. This role serves as a subject matter expert for complex network technologies provides technical leadership for large initiatives and partners closely with infrastructure security cloud and application teams to deliver resilient scalable and secure connectivity solutions that support evolving business needs.

The ideal candidate combines deep traditional networking expertise with hands-on experience in Azure and cloud networking automation and modern network operating models.

Job Duties

Design implement and support enterprise network architectures across data center campus branch and cloud environments
Architect and operate hybrid connectivity solutions including on-prem to Azure integration (ExpressRoute VPN vWAN)
Monitor health performance capacity and availability of the enterprise network and cloud network services
Lead and participate in incident response root cause analysis and post-incident improvement efforts
Serve as senior escalation point (Tier 3) for complex production network issues
Provide strategic input and technical leadership for network modernization cloud adoption and digital initiatives
Design and support routing switching wireless SDWAN load balancing and firewall solutions
Implement and maintain secure network connectivity aligned with Zero Trust and defenseindepth principles
Partner with Cloud Security Server and Application teams to enable resilient application connectivity
Evaluate emerging technologies and make architecture recommendations for short mid and longterm initiatives
Develop standards reference architectures and best practices for enterprise and cloud networking
Automate routine network tasks using scripting and infrastructureascode tools where appropriate
Coordinate and lead work with vendors service providers and managed services partners
Produce clear technical documentation diagrams and operational runbooks
Mentor junior engineers and act as technical lead on projects and initiatives
Participate in scheduled maintenance windows and provide oncall support as required
Perform other duties and special assignments as determined by management

Special assignments or tasks assigned to the employee by their superior as determined from timeto time in their sole and complete discretion.

Experience

Minimum of 7 years of progressive experience in enterprise networking roles
Demonstrated experience designing and supporting complex multisite enterprise networks
Strong hands-on experience with:
- Routing and switching (BGP OSPF EIGRP VLANs VRF)
- Network security (firewalls VPNs segmentation NAC Load Balancers)
- Wireless networking and controllerbased architectures
- SDWAN technologies and architectures
Proven experience with Azure networking including:
- Virtual Networks (VNets) subnets routing NSGs UDRs
- Azure VPN Gateway and ExpressRoute
- Azure Virtual WAN and hubandspoke architectures
- Load Balancers Application Gateway and private endpoints
Experience operating in hybrid environments spanning onpremises and public cloud
Working knowledge of network monitoring performance management and troubleshooting tools
Experience participating in or leading technical projects with crossfunctional teams

Education Level

Bachelors degree in Computer Science Information Technology or related field or equivalent experience

Required Skills

Expert understanding of OSI model Layers 17 and modern network architectures
Strong knowledge of TCP/IP routing protocols network security principles and encryption
Ability to design for high availability fault tolerance and scalability
Solid understanding of cloud networking concepts and shared responsibility models
Familiarity with Infrastructure as Code (IaC) concepts and tools (e.g. ARM Bicep Terraform)
Working knowledge of automation and scripting (PowerShell Python or equivalent)
Experience integrating networking with identity security and application services
Strong analytical troubleshooting and problemsolving skills
Excellent written and verbal communication skills
Ability to translate business requirements into technical solutions
Capable of leading technical discussions and influencing architecture decisions

Preferred Skills

Azure certifications (e.g. Azure Network Engineer Associate Azure Solutions Architect)
Experience with the following technologies and platforms:
- Cisco Aruba Arista switching and wireless platforms
- Palo Alto Fortinet or similar nextgeneration firewalls
- Cloud-native security services
Experience with multicloud networking (AWS or GCP exposure)
Familiarity with DevOps CI/CD pipelines or SRE operating models
Experience supporting regulated or industrial environments

Supervisory/Managerial Responsibility

May act as technical lead or project lead on complex initiatives
May provide task direction mentoring and technical guidance to other network engineers or contractors

Work Conditions

Primarily officebased or hybrid with travel up to 20% as required
May include work in data center refinery plant warehouse or field environments
Subject to oncall rotation and participation in afterhours maintenance windows
Work may include nights weekends and holidays during scheduled or emergency activities

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:

Medical Insurance
Vision Insurance
Dental Insurance
Paid Time-Off
401(k) Retirement Plan with match
Educational Reimbursement
Parental Bonding Time
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 for more details visitTotal Rewards.

Physical Requirements

Ability to sit stand walk bend and lift equipment up to 50 lbs.
Ability to climb ladders and work in confined spaces when required
Ability to wear required personal protective equipment as applicable

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 do and extend to how we engage our stakeholders. These values influence our decisions shape our behaviors and keep us connected across the entire organization. We maintain a true Safety culture for our employees communities environments and customers. Our goal is to make sure everyone returns home safely each day. We have a long-standing commitment to Integrity and ethical behavior and do what is right for our employees investors communities and the environment. We encourage employees to Step Up and Stand Out by championing a culture of Teamwork and Ownership. We foster a culture of Inclusion by encouraging diversity of experiences viewpoints and backgrounds. What makes each of us different together makes us stronger.

About HF Sinclair Corporation

HF Sinclair Corporation headquartered in Dallas Texas is an independent energy company that produces and markets high-value light products such as gasoline diesel fuel jet fuel renewable diesel and other specialty products. HF Sinclair owns and operates refineries located in Kansas Oklahoma New Mexico Wyoming Washington and Utah and markets its refined products principally in the Southwest U.S. the Rocky Mountains extending into the Pacific Northwest and in other neighboring Plains states. HF Sinclair supplies high-quality fuels to more than 1500 branded stations and licenses the use of the Sinclair brand at more than 300 additional locations throughout the addition subsidiaries of HF Sinclair produce and market base oils and other specialized lubricants in the U.S. Canada and the Netherlands and export products to more than 80 countries. Through its subsidiaries HF Sinclair produces renewable diesel at two of its facilities in Wyoming and also at its facility in Artesia New Mexico. HF Sinclair provides petroleum product and crude oil transportation terminalling storage and throughput services to its refineries and the petroleum industry.

Equal Opportunity Employer

HF Sinclair Corporation is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity national origin age disability veteran status or any other prohibited ground of discrimination.

Required Experience:

Basic Function HF Sinclair is seeking a Network Engineer based in Dallas TX. This role is a senior-level technical role responsible for the architecture design implementation and operational support of enterprise network and connectivity services across onpremises hybrid and cloud environments. This...