Sr Control Systems Engineer

Rosehill Resource; Houston (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Rosehill Resources is seeking a Sr Control Systems Engineer to support refinery/process control infrastructure including Honeywell DCS, virtualization, OT networking, and cybersecurity initiatives. The role covers troubleshooting, upgrades, lifecycle management, and reliability improvements for critical control systems in a refinery context.

The ideal candidate will bring deep knowledge of industrial automation, virtualization, OT networks, and cybersecurity practices within manufacturing

Qualifications

• Support Honeywell DCS systems including servers, operator stations, application nodes, and controllers.
• Troubleshoot DCS hardware, software, communication, and performance issues.
• Support backups, patching, upgrades, and lifecycle management activities.
• Support alarm management, historian systems, and interface troubleshooting.
• Support virtualized environments using VMware and Hyper-V.
• Support OT/ICS network infrastructure including switches, firewalls, fiber, VLANs, and wireless.
• Support industrial cybersecurity initiatives aligned with company standards.
• Support PLC systems including troubleshooting, logic validation, and communications.
• Work with Allen-Bradley, Siemens, Modicon and other PLC platforms.
• Support communication protocols including Ethernet/IP, Modbus, OPC, and ControlNet.
• Assist with startup, commissioning, and control system modifications.
• Support integration between DCS, PLC, SIS, historians, and business systems.
• Have experience supporting Honeywell DCS or similar systems.
• Knowledge of virtualization technologies and Windows server administration.
• Understanding of industrial networking concepts and troubleshooting.
• Familiarity with OT cybersecurity principles and practices.
• Working knowledge of PLC systems and industrial communications.
• Read and interpret company policies and regulatory guidelines.
• Adhere to confidentiality and deliver effective customer service.
• Communicate clearly in written and verbal form.
• Meet deadlines across short and long timeframes.
• Cross-train in other department duties and collaborate on assignments.
• Multi-task and prioritize tasks to meet stated requirements.
• Basic skills in Microsoft Office (Word and Excel).

Responsibilities

• Provide engineering and technical support for Honeywell DCS systems including servers, operator stations, application nodes, and controllers.
• Troubleshoot DCS hardware, software, communication, and performance issues.
• Support system backups, patching, upgrades, and lifecycle management activities.
• Support alarm management, historian systems, and interface troubleshooting.
• Support virtualized environments using platforms such as VMware and Hyper-V.
• Support and troubleshoot OT/ICS network infrastructure including managed switches, firewalls, fiber networks, VLANs, and wireless infrastructure.
• Support industrial cybersecurity initiatives aligned with company standards and industry best practices.
• Support PLC systems including troubleshooting, logic validation, and communications.
• Work with systems such as Allen-Bradley, Siemens, Modicon, and other industrial PLC platforms.
• Support communication protocols including Ethernet/IP, Modbus, OPC, and ControlNet.
• Assist with startup, commissioning, and control system modifications.
• Support integration between DCS, PLC, SIS, historians, and business systems.
• Have experience supporting Honeywell DCS or similar control systems.
• Knowledge of virtualization technologies and Windows server administration.
• Understand industrial networking concepts and troubleshooting.
• Familiarity with OT cybersecurity principles and practices.
• Have working knowledge of PLC systems and industrial communications.
• Read and interpret company policies and regulatory guidelines.
• Maintain confidentiality and deliver effective customer service.
• Communicate effectively in writing and verbally.
• Meet deadlines including short, long, and emergency timeframes.
• Cross-train in other department duties for coverage.
• Collaborate with others on challenging assignments.
• Multi-task and prioritize to finish tasks on time.
• Use basic Microsoft Office tools (Word and Excel).

Skills

Honeywell DCS

Virtualization

OT Networking

Cybersecurity

PLC Troubleshooting

Allen-Bradley

Siemens

Modicon

Industrial Communications

Windows Server Admin

Education

Bachelor's degree in Engineering

Electrical/Controls/Chemical Engineering

Tools

VMware

Hyper-V

Windows Server

Allen-Bradley

Siemens PLC

Modicon PLC

Ethernet/IP

Modbus

OPC

ControlNet

Job description

As a Sr Control Systems Engineer you will provide support and maintain refinery/process control infrastructure including Honeywell Distributed Control Systems (DCS), virtualization environments, industrial networks, cybersecurity initiatives, and PLC systems. This role will support day-time operations, troubleshooting, system upgrades, cybersecurity compliance, and long-term reliability improvements for critical control systems infrastructure. The ideal candidate will have strong technical knowledge of industrial automation systems, virtualized server environments, OT networking, and cybersecurity best practices within manufacturing or refinery operations.

At Rosehill Resources, we are committed to advancing the future of energy through innovation, ingenuity and unmatched execution. You can help achieve this goal if you can:

• Provide engineering and technical support for Honeywell DCS systems including servers, operator stations, application nodes, and controllers
• Troubleshoot DCS hardware, software, communication, and performance issues
• Support system backups, patching, upgrades, and lifecycle management activities
• Support alarm management, historian systems, and interface troubleshooting
• Support and maintain virtualized environments using platforms such as VMware and Hyper-V
• Support and troubleshoot OT/ICS network infrastructure including managed switches, firewalls, fiber networks, VLANs, and wireless infrastructure
• Support industrial cybersecurity initiatives aligned with company standards and industry best practices
• Support PLC systems including troubleshooting, logic validation, and communications
• Work with systems such as Allen-Bradley, Siemens, Modicon, and other industrial PLC platforms
• Support communication protocols including Ethernet/IP, Modbus, OPC, and ControlNet
• Assist with startup, commissioning, and control system modifications
• Support integration between DCS, PLC, SIS, historians, and business systems
• Have experience supporting Honeywell DCS or similar control systems
• Have knowledge of virtualization technologies and Windows server administration
• Have understanding of industrial networking concepts and troubleshooting
• Have familiarity with OT cybersecurity principles and practices
• Have working knowledge of PLC systems and industrial communications
• Read and interpret company policies, regulatory guidelines, and other work-related documentation.
• Abide by confidentiality requirements when working with sensitive information, results, and communications.
• Provide thorough, efficient, and effective customer service to individuals at all levels within the organization.
• Communicate effectively through written and verbal methods.
• Accomplish work within required timelines, including short, long, and emergency timeframes.
• Cross-train in other department duties to ensure efficient coverage department responsibilities.
• Work with others to accomplish challenging assignments.
• Multi-task and prioritize multiple assignments to ensure completion of tasks within stated time requirements.
• Have basic skill using Microsoft Office programs (i.e., Word and Excel).

Qualifications

Minimum Requirements:

• Bachelor's or higher level degree in Engineering required.
• 5 years of process control/advanced process control field experience required.

Preferred Requirements:

• Bachelor's or higher level degree in Electrical/Controls/Chemical Engineering preferred.
• Process control/DCS/PLC engineering experience preferred.