OT Network Engineer

Indotronix International Corporation • San Antonio, TX

1d • Hybrid

About The Position

Marathon Petroleum is hiring an OT Network Engineer for a long-term, open-ended contract based in San Antonio, Texas. The role supports critical enterprise network infrastructure and business continuity in the energy sector. It is onsite Monday through Thursday and remote on Fridays. The engineer will design, implement, secure, monitor, and optimize network systems, and collaborate with network architects and cross-functional teams to improve resiliency, scalability, performance, and operational excellence. Qualified candidates must be authorized to work in the U.S. without sponsorship and must complete background and drug screening.

Requirements

• Extensive experience with routing and switching, including BGP, OSPF, and EIGRP.
• Hands-on expertise designing, implementing, and supporting SD-WAN.
• Proficiency with network monitoring and diagnostic tools such as SolarWinds and Wireshark.
• Strong understanding of TCP/IP, subnetting, VLANs, and network architecture.
• Experience configuring and troubleshooting enterprise switches, routers, firewalls, and wireless systems.
• In-depth knowledge of VPN, network segmentation, and IDS/IPS.
• Ability to analyze network traffic and resolve connectivity and performance issues.
• Familiarity with Windows Server administration, patch management, firewall configuration, identity and access management, and system hardening.
• Authorization to work in the U.S. without sponsorship.
• Ability to complete background and drug screening.

Nice To Haves

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

Responsibilities

• Architect, implement, and maintain enterprise network infrastructure, including system configurations and installations.
• Develop and deploy network solutions to improve resiliency, scalability, and performance.
• 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 on 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.

Benefits

• Flexible onsite/remote work schedule, with 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 industry professionals.

What This Job Offers

• Job Type: Full-time
• Education Level: No Education Listed