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Sis Engineer Jobs in Texas (NOW HIRING)

Bachelor's in Electrical Engineering, Mechanical Engineering, Chemical Engineering, or related field. * 5- 20 years of DCS/SIS/PLC design, programming, troubleshooting, and maintenance experience.

Bachelor's in Electrical Engineering, Mechanical Engineering, Chemical Engineering, or related field. * 5- 20 years of DCS/SIS/PLC design, programming, troubleshooting, and maintenance experience.

Support Safety Instrumented System (SIS) documentation, including Cause & Effect, Safety ... Monitor subcontracted engineering services and provide technical oversight * Provide input to ...

As the DCS/PLC Engineer, you will be responsible for overseeing the design, commissioning, and ... Oversee reliability and maintenance of DCS/SIS hardware and software. * Develop systems to maintain ...

Showing results 21-40

Sis Engineer information

See Texas salary details

$38.3K

$99K

$154.3K

How much do sis engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for sis engineer in Texas is $98,956.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,227.00 and $117,404.00 per year, depending on experience, location, and employer.

What is a SIS engineer?

A SIS (Safety Instrumented Systems) Engineer is responsible for designing, implementing, and maintaining safety systems that help prevent hazardous incidents in industrial environments. They ensure compliance with safety standards such as IEC 61511 and work with instrumentation, control systems, and risk assessment processes. SIS Engineers collaborate with process, automation, and safety teams to develop and validate safety functions, ensuring system reliability and performance.

What are the key skills and qualifications needed to thrive as a SIS engineer, and why are they important?

To thrive as a SIS (Safety Instrumented Systems) Engineer, you need a strong background in process instrumentation, control systems engineering, and industrial safety protocols, often supported by a degree in engineering and relevant industry experience. Familiarity with safety PLCs, HAZOP analysis, SIL assessments, and certifications such as TÜV Functional Safety Engineer are highly valued in this role. Excellent problem-solving, analytical, and communication skills help SIS Engineers work effectively within multidisciplinary teams and manage safety-critical projects. These competencies are crucial for designing, implementing, and maintaining systems that ensure the safe operation of industrial processes and regulatory compliance.

What are the typical responsibilities of a SIS engineer in a manufacturing or industrial setting?

A SIS Engineer in a manufacturing or industrial environment is typically responsible for designing, implementing, and maintaining safety instrumented systems that protect personnel, equipment, and processes from hazardous conditions. This includes conducting risk assessments, performing safety integrity level (SIL) calculations, specifying safety PLC logic, and ensuring compliance with industry standards such as IEC 61511. SIS Engineers often collaborate with process engineers, operations staff, and maintenance teams to review system performance and troubleshoot issues. Their role may also involve regular safety audits, system testing, and supporting incident investigations to continuously improve plant safety.

What cities in Texas are hiring for Sis Engineer jobs? Cities in Texas with the most Sis Engineer job openings:
Infographic showing various Sis Engineer job openings in Texas as of August 2026, with employment types broken down into 87% Full Time, and 13% Contract. Highlights an 92% In-person, and 8% Remote job distribution, with an average salary of $98,956 per year, or $47.6 per hour.

Sr E&I Reliability Engineer

Delek US Holding Inc

Big Spring, TX • On-site

$90 - $130/hr

Other

Medical, Retirement

Posted 2 days ago

New


Job description

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Are you looking for a career in a dynamic and innovative company that values versatility, growth, and teamwork? Look no further than Delek US Holdings!

WHAT IS DELEK? WHAT DO WE DO?

We are a boutique-sized diversified downstream energy company with a range of assets, including petroleum refining and logistics.

Our refineries in Texas, Arkansas, and Louisiana have a combined crude capacity of 302,000 barrels per day

Our logistics business currently owns and operates720 milesof crude and product pipelines, a 600-mile crude oil gathering system, and storage tanks and terminals.

DELEK BENEFITS:
  • up to a 10% match on 401K on your hire start, with a vesting timeline of only one year
  • along with medical benefits that start on day onewith a 30% premium rebate annually!
  • access to the Calm app for FREE, which is used for meditation, stress management, and better sleep.
  • performance management program, you can earn additional annual incentives as you set and achieve goals.
  • pay for performance culture motivates our employees to improve Delek’s year-over-year company, business unit, and individual results.
  • With some of the highest bonus payouts in recent years, we know that our success is due to our talented and dedicated team.
JOB SUMMARY

The E&I Reliability Engineer is responsible for providing technical guidance on Electrical and Instrumentation equipment within the refinery that maintains and improves the safety, environmental, and reliability performance of the assets. The E&I Reliability Engineer will demonstrate accountability for increasing equipment reliability by improving time between failures while reducing equipment downtime and maintenance costs. This role works collaboratively with the entire refining organization to develop, implement, and maintain Delek’s Engineering Practices and applicable RAGAGEP standards.

This role develops strategies to manage refinery assets at peak performance, optimize lifetime return on investment, mitigate reliability risk, and supports capital improvements in support of long term sustainable performance; and champion the troubleshooting, repair, overhaul, planning and budgeting for E&I equipment including electrical power distribution systems, switchgear, transformers, motors, MCCs, protective devices, instrumentation and control systems, safety instrumented systems (SIS), analyzers, CEMS, ambient air monitoring systems, sample systems, PLCs, control valves and transmitters.

All activities will be performed in support of the strategy, and vision of the organization. Nothing in this job description restricts management's right to assign or reassign duties and responsibilities to this job at any time. All activities must be in compliance with Equal Employment Opportunity laws, HIPAA, ERISA, and other regulations, as appropriate

EDUCATION AND EXPERIENCE
  • 4 year / Bachelor's Degree (Required)
  • Four (4) or more years Oil & Gas, or related experience (Required)
IDEAL CANDIDATE EDUCATION AND EXPERIENCE
  • 4 year / Bachelor's Degree (Required)
  • Eight (8) or more years Oil & Gas, or related experience
JOB REQUIREMENTS
  • Serve as the site technical resource for Electrical, Instrumentation, and Analyzer reliability and compliance programs across refinery operating units.
  • Provide engineering technical support to operating units, environmental activities, and plant projects to improve reliability, process safety, and environmental performance.
  • Maintain and improve E&I asset reliability programs for electrical power distribution, instrumentation, process analyzers, CEMS, ambient air monitoring systems, PLCs, SIS components, transmitters, control valves, motors, switchgear, MCCs, transformers, and protective devices.
  • Develop, optimize, and maintain Preventive Maintenance (PM's), Predictive Maintenance (PdM's), inspection, testing, calibration, and quality assurance strategies based on RAGAGEP, OEM recommendations, FMEA, reliability data, regulatory requirements, and risk/criticality assessments.
  • Serve as a technical resource for NFPA 70, NFPA 70E, NFPA 70B, OSHA 1910.269, IEC 61511, ISA standards, API 556, NFPA 87, EPA requirements, and applicable company engineering and mechanical integrity standards.
  • Maintain electrical safety programs and power system documentation, including safe work practices, SKM models, one-line diagrams, protective device settings, short‑circuit studies, coordination studies, and arc‑flash analyses.
  • Develop and maintain critical equipment, critical instrument, critical spare parts, and obsolescence strategies for E&I assets based on safety, reliability, process impact, business criticality, inventory, and supply source risk.
  • Review and improve heater instrumentation and control mechanical integrity procedures to align with applicable API 556 or NFPA 87 requirements based on the implemented design standard.
  • Support SIS lifecycle management, including proof testing, functional testing, SIS documentation, design integrity validation, performance monitoring, and participation in PHA/LOPA reviews.
  • Develop and maintain inspection and test plans for instrumentation integrity verification, including calibration, loop checks, functional testing, proof testing, and compliance with API, ISA, IEC, OEM, and company standards.
  • Maintain lifecycle management for analyzer systems used for process control, emissions reporting, environmental compliance, ambient air monitoring, and product quality, including gas chromatographs, process gas analyzers, liquid analyzers, CEMS, shelters, and sample conditioning systems; process hazard analysis
  • Support analyzer reliability and compliance activities, including sample integrity, lag time, flow characteristics, materials compatibility, GC configuration and troubleshooting, RATA, CGA, linearity, drift checks, fenceline benzene/BTEX analyzers, and audit‑ready calibration and certification records.
  • Analyze E&I failure trends, equipment history, and field performance data; identify bad actors; lead or support RCFA investigations; and implement corrective actions to reduce downtime and improve reliability.
  • Lead and support reliability improvement projects, capital project reviews, infrastructure upgrades, analyzer replacements, sample system redesigns, electrical distribution improvements, switch rack replacement strategies, and other risk‑reduction initiatives.
  • Support turnaround, unit shutdown, startup, outage, and capital planning through scope development, reliability justification, technical support, and assessment of operating impacts on equipment.
  • Maintain accurate E&I documentation and CMMS records, including one-line diagrams, instrument indexes, I/O lists, analyzer data sheets, sample system schematics, calibration records, settings files, configuration backups, PM records, test reports, and mechanical integrity records.
  • Participate in MOC, process hazard analysis (PHA), PSM, incident investigations, alarm management, pressure protection management, procedure development, equipment additions/modifications/deletions, and process design reviews for E&I scope.
  • Evaluate maintenance and reliability work practices, conduct gap assessments, develop or improve technical standards, and work with site teams to remove barriers and improve work process effectiveness.
  • Provide troubleshooting support, field mentoring, and training to E&I technicians, analyzer technicians, operations, maintenance, engineering, and project teams; engage vendors and specialty contractors as needed for testing, calibration, upgrades, studies, spare parts, and reliability improvements.
  • Stay current on industry best practices, technology, equipment design, and professional standards; this job description may not detail every task or responsibility required.
  • While this job description aims to provide a comprehensive overview of the role, it may not detail every task or responsibility required.
CORE COMPETENCIESCHANGE AGILITY (LEVEL 2 SUPPORTING): Identifies, initiates, and adapts to organizational changes that foster enhanced effectiveness, efficiency, safety, and ultimately business results.COLLABORATION (LEVEL 2 SUPPORTING): Sees connection points across the organization and partners effectively with others to achieve common goals.DECISION MAKING (LEVEL 2 SUPPORTING): Selects a course of action to reduce risk and uncertainty and create optimal outcomes.DRIVE FOR RESULTS (LEVEL 2 SUPPORTING): Drives to achieve challenging performance objectives.TEAM BUILDING (LEVEL 2 SUPPORTING): Builds trust, fosters openness, and provides support. As the manager of a team, selects and motivates a strong team.

#LI-MK1

We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or national origin, disability status, protected veteran status, or any other characteristic protected by law. Equal Opportunity Employer/Disabled/Veterans.

BECOME PART OF THE ENERGY

It’s an exciting time to join Delek. We’re on a mission to attract, retain, and engage the best and brightest talent – those who are great team players and leaders who make it their first priority to serve.

  • We are performance driven
  • We value a passion for excellence
  • We value teamwork
  • We value and reward hard work and dedication

Delek US offers the opportunity to provide you with more than a job – we want to help you build a career.

Since our inception, our ability to hire the right people for the job has served us well, resulting in an impressive record of consistent growth and profitability. With more than 3,500 employees in nine states, we have brought together a diverse team of professionals passionate about investing their time and expertise in one of the most dynamic downstream energy companies in the market today.

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