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Senior Network Engineer

Job in San Antonio, Bexar County, Texas, 78208, USA
Listing for: Marathon Petroleum Corporation
Full Time position
Listed on 2026-05-29
Job specializations:
  • IT/Tech
    Systems Engineer, Network Engineer, Cybersecurity, Cloud Computing
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

An exciting career awaits you

At MPC, we’re committed to being a great place to work – one that welcomes new ideas, encourages diverse perspectives, develops our people, and fosters a collaborative team environment.

Position Summary

The ideal candidate will have a deep understanding of networking and will assist the Enterprise Networking team in many ways to include designing, assessing, remediation, and standardization efforts, creating documentation, leading discussions, and visualizing concepts. This position will serve as a subject‑matter expert and guide various divisions with minimal supervision, pro‑active initiative, positive attitude, excellent communication, and mentorship of other team members.

Key Responsibilities
  • Deploy complex network configurations for on‑premise or cloud‑based networks and assist in the development of playbooks for network systems (Cloud Computing).
  • Assist in the integration of new systems and tools. Develop and maintain scripts to facilitate network administrative tasks and automate repetitive processes.
  • Participate and assist with troubleshooting of ZTNA and SASE based deployments (Cloud Computing, Network Installation and Configuration, Network Traffic Analysis, Network Transformation, Network Security Management).
  • Monitor performance, identify areas for improvement, and implement performance tuning.
  • Identify trends in issues and determine root causes to reduce future incidents.
  • Adhere to network policies, standards, and standard operating procedures for how‑to documents.
  • Undertake the regular analysis and interpretation of traffic and utilization of services on network connections.
  • Assist in troubleshooting and deploying other network technologies, such as Wireless Infrastructure, Digital Experience Tooling, WAN optimization systems, and Azure Cloud integration (Network Transformation, Troubleshooting, Network Protocols, Network Security Management).
  • Engage in discussions and participate in the development of Private SaaS, Edge Computing, and other advanced cloud capabilities (Cloud Computing, Network Installation and Configuration, Network Transformation).
  • Deploy, engineer, and troubleshoot SDWAN & SASE systems and architectures (Programming/Scripting, Network Testing, Network Traffic Analysis, Troubleshooting).
  • Deploy, engineer, and troubleshoot IP Telephony and Collaboration systems, including Cisco Call Manager, Unity, and Call Center applications (Network Design, Network Management, Troubleshooting).
  • Analyze alternative hardware, platforms, and technologies for the network infrastructure (Network Transformation, Network Testing, Network Traffic Analysis).
Education and Experience
  • Bachelor’s degree in Information Technology preferred, related field or equivalent experience.
  • Five (5) or more years of relevant experience required.
  • Experience with enterprise scale data centers, network topologies and architectures required.
  • Experience with enterprise IP Telephony & UC platforms (e.g. CUCM, Unity, SIP, Contact Center) required.
  • Deep understanding of Routing Concepts, Switching Concepts, Quality of Service, Traffic Engineering, Filtering and Tuning (Network Traffic Analysis, Network Testing, Network Protocols) required.
  • Cisco Certified Network Professional (CCNP) or equivalent certifications preferred.
  • Experience in deploying Azure and AWS (Cloud) direct connect, express routes, private links and other advanced cloud‑centric architectures preferred.
  • Experience with Zero Trust Networking or SASE preferred.
  • Experience with Microsoft Teams Phone or other leading cloud‑based IP Telephony and Unified Communications solutions preferred.
Skills
  • Adaptability – Maintaining effectiveness when experiencing major changes in work responsibilities or environment (people, processes, structure, or culture); adjusting effectively to change by exploring benefits, trying new approaches, and collaborating to make the change successful.
  • AI Fundamentals – Understanding core AI concepts and methods, ability to apply AI to job‑relevant use cases, and capacity to contribute to organizational AI reimagination.
  • Change Management – Systematic approach for defining and implementing procedures and technologies…
Position Requirements
10+ Years work experience
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