OT Network Engineer

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OT Network Engineer

• Location: San Antonio, Texas 78251
• Work model: On-site
• Posted 13 days ago
• Job ID: JPC - 210883

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Job Description

Job Summary: OT Network Engineer - Marathon Petroleum (San Antonio, TX)

About the Role

Join Marathon Petroleum as an OT Network Engineer in a high-impact, long-term opportunity based onsite in San Antonio, TX (Mon-Thur onsite, Fridays remote). Play a pivotal role in designing, implementing, and securing our critical enterprise network infrastructure, directly supporting business continuity and operational excellence. This position offers hands-on experience in a dynamic energy sector environment with ongoing professional development and the chance to work alongside industry leaders.

Responsibilities

• Architect, implement, and maintain enterprise network infrastructure, including system configurations and installations
• Develop and deploy new network solutions to improve resiliency, scalability, and overall performance
• Proactively monitor, analyze, and optimize network performance; conduct capacity planning and scheduled upgrades
• Investigate and resolve LAN/WAN incidents and outages using diagnostic and monitoring tools
• Collaborate with network architects and cross-functional teams to drive continuous improvement and optimization
• Enforce network security policies, manage access controls, and ensure compliance with security standards
• Support business continuity through network redundancy, fault tolerance, and disaster recovery planning

Required Skills and Experience

• Extensive experience with routing and switching (BGP, OSPF, EIGRP)
• Hands-on expertise designing, implementing, and supporting SD-WAN
• Proficiency in network monitoring and diagnostic tools (SolarWinds, Wireshark)
• Strong understanding of TCP/IP, subnetting, VLANs, and network architecture
• Solid experience configuring and troubleshooting enterprise switches, routers, firewalls, and wireless systems
• In-depth knowledge of VPN, network segmentation, IDS/IPS
• Proven ability to analyze network traffic and resolve connectivity/performance issues
• Familiarity with Windows Server administration, patch management, firewall configuration, identity/access management, and system hardening

Preferred Skills

• Exceptional analytical and problem-solving aptitude
• Strong communication and documentation capabilities
• Proven track record managing multiple priorities in fast-paced enterprise environments

Benefits

• Long-term, open-ended contract with a leading energy company
• Flexible onsite/remote work schedule (Fridays remote)
• Exposure to complex enterprise networks and the latest OT technologies
• Professional growth through challenging projects and skill advancement
• Collaborative work culture with opportunities to work alongside top industry professionals

How to Apply

Ready to advance your career with Marathon Petroleum? Submit your resume and showcase your network engineering expertise. Qualified candidates must be authorized to work in the U.S. without sponsorship. Background and drug screening required.

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Interested in this role?

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Job details

Job ID JPC - 210883

Location San Antonio, Texas, United States

Work Model On-site

Job Type C2C

Posted October 6, 2026

Skills Client: Marathon Petroleum Location: Onsite Mon to Thur (Fridays remote) in San Antonio TX Contract: Long term open ended Key Responsibilities• Design implement and maintain enterprise network infrastructure by defining system configurations directing installations and establishing network standards and documentation• Develop and deploy new network solutions while enhancing the resiliency scalability and performance of existing environments• Monitor and optimize network performance through proactive analysis troubleshooting Capacity Planning and scheduled upgrades• Investigate and resolve network incidents and outages across local area networks (LANs) and wide area networks (WANs) using data from multiple monitoring and diagnostic sources• Collaborate with network architects and cross-f managing access controls and monitoring compliance with security standards• Support business continuity objectives through network redundancy fault tolerance and disaster recovery planningRequired QualificationsNetworking• Strong knowledge of routing and switching technologies including BGP OSPF and EIGRP• Experience designing implementing and supporting SD-WAN solutions• Proficiency with network monitoring Diagnostic and analysis tools such as SolarWinds and Wireshark• Deep understanding of TCP/IP subnetting VLANs Routing and network architecture conceptsNetwork Infrastructure & Security• Experience configuring administering and troubleshooting enterprise-class switches Routers firewalls and wireless networking solutions• Knowledge of VPN technologies Network Segmentation and intrusion detection/prevention systems (IDS/IPS)• Ability to analyze network traffic diagnose connectivity and performance issues and implement effective solutions• Understanding of network security best practices including access control firewall management and threat mitigationWindows Server Administration• Familiarity with Windows Server administration and security best practices• Experience with patch management firewall configuration Identity and access management and system hardeningPreferred Skills• Strong analytical and problem-solving abilities with a proactive approach to troubleshooting• Excellent communication and documentation skills• Ability to manage multiple priorities in a fast-paced environment•

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