OT Network Engineer

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.