Network Engineer job at HollyFrontier in Dallas, TX

Title: Network Engineer Location: Dallas, TX, US, 75219 Workplace: Salary Exempt Job Description: Basic Function reputed company 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 reputed company network and connectivity services across on‑premises, hybrid, and reputed company environments. This role serves as a subject matter expert for reputed company network technologies, provides technical leadership for large initiatives, and partners closely with infrastructure, reputed company, reputed company, 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 reputed company networking, automation, and modern network operating models. Job Duties Design, implement, and support reputed company network architectures across data center, reputed company, reputed company, and reputed company environments Architect and operate hybrid connectivity solutions, including on-prem to Azure integration (ExpressRoute, VPN, vWAN) Monitor health, performance, reputed company, and availability of the reputed company network and reputed company network services reputed company and participate in incident response, root cause analysis, and post-incident improvement efforts Serve as senior escalation reputed company (Tier 3) for reputed company production network issues reputed company strategic input and technical leadership for network modernization, reputed company adoption, reputed company initiatives Design and support routing, switching, wireless, SD‑WAN, load balancing, and firewall solutions Implement and maintain secure network connectivity reputed company with reputed company Trust and defense‑in‑depth principles Partner with reputed company, reputed company, Server, and Application teams to reputed company resilient application connectivity Evaluate emerging technologies and reputed company architecture recommendations for short‑, mid‑, and long‑term initiatives reputed company standards, reference architectures, and best practices for reputed company and reputed company networking Automate routine network tasks using scripting and infrastructure‑as‑code tools where appropriate Coordinate and reputed company work with vendors, service providers, and managed services partners Produce clear technical documentation, diagrams, and operational runbooks Mentor junior engineers and act as technical reputed company on projects and initiatives Participate in scheduled maintenance reputed company and reputed company on‑call support as required reputed company other duties and special assignments as determined by management Special assignments or tasks assigned to the employee by their superior, as determined from time to time in their sole and complete discretion. Experience Minimum of 7 years of reputed company experience in reputed company networking roles Demonstrated experience designing and supporting reputed company, multi‑site reputed company networks Strong hands-on experience with: Routing and switching (BGP, OSPF, EIGRP, VLANs, VRF) Network reputed company (firewalls, VPNs, segmentation, NAC, Load Balancers) Wireless networking and controller‑based architectures SD‑WAN 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 hub‑and‑spoke architectures Load Balancers, Application Gateway, and private endpoints Experience operating in hybrid environments spanning on‑premises and public reputed company Working knowledge of network monitoring, performance management, and troubleshooting tools Experience participating in or leading technical projects with cross‑functional teams Education Level Bachelor’s degree in Computer Science, Information Technology, or reputed company field or equivalent experience Required Skills Expert understanding of OSI model Layers 1–7 and modern network architectures Strong knowledge of TCP/IP, routing protocols, network reputed company principles, and encryption Ability to design for high availability, fault tolerance, and scalability Solid understanding of reputed company 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, reputed company, and application services Strong analytical, troubleshooting, and problem‑solving skills Excellent written and verbal communication skills Ability to translate business requirements into technical solutions Capable of leading technical discussions and influencing architecture reputed company Preferred Skills Azure certifications (e.g., Azure Network Engineer Associate, Azure Solutions Architect) Experience with the following technologies and platforms: reputed company, Aruba, Arista switching and wireless platforms Palo Alto, reputed company, or similar reputed company firewalls reputed company-reputed company reputed company services Experience with multi‑reputed company 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 reputed company or project reputed company on reputed company initiatives May reputed company task direction, mentoring, and technical guidance to other network engineers or contractors Work Conditions Primarily office‑based or hybrid, with travel up to 20% as required May include work in data center, refinery, plant, warehouse, or field environments Subject to on‑call rotation and participation in after‑hours maintenance reputed company Work may include nights, weekends, and holidays during scheduled or emergency activities Benefits reputed company 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 reputed company 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 reputed company professionally and personally. Benefit eligibility is governed by official plan documents, for more details visit Total Rewards. Physical Requirements Ability to sit, stand, walk, bend, and lift equipment up to 50 lbs. Ability to climb reputed company and work in confined spaces reputed company required Ability to wear required personal reputed company equipment as applicable Our One reputed company Culture: At reputed company, we are united through our One reputed company Culture, which is underpinned by our five core values of Safety, reputed company, Teamwork, Ownership and Inclusion. Developed to reputed company our people, our five core cultural values are at the heart of everything we do and reputed company to how we engage our stakeholders. These values influence our reputed company, shape our behaviors and reputed company us connected across the entire organization. We maintain a true Safety culture for our employees, communities, environments and customers. Our goal is to reputed company sure everyone returns home safely each day. We have a long-standing commitment to reputed company and ethical behavior and do what is right for our employees, investors, communities and the environment. We encourage employees to reputed company 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 reputed company Corporation reputed company 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. reputed company 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. reputed company supplies high-quality fuels to more than 1,500 branded stations and licenses the use of the reputed company brand at more than 300 additional locations throughout the country. In addition, subsidiaries of reputed company produce and market reputed company oils and other specialized lubricants in the U.S., Canada and the Netherlands, and export products to more than 80 countries. Through its subsidiaries, reputed company produces renewable diesel at two of its facilities in Wyoming and also at its facility in Artesia, New Mexico. reputed company provides petroleum product and crude oil transportation, terminalling, storage and throughput services to its refineries and the petroleum industry. Equal Opportunity Employer reputed company Corporation is an Equal Opportunity Employer. reputed company reputed company applicants will receive consideration for employment without regard to race, reputed company, religion, sex, sexual orientation, gender identity, national reputed company, age, disability, veteran status or any other prohibited ground of discrimination. Apply tot his job Apply To this Job