2,068,630open jobs
123,097companies
253,157added this week
Browse all
Salary
≈ $65k – $135k per year (Estimated)
Location
In office (Port Arthur)
Seniority
Junior · 1+ year exp
Visa
No sponsorship (stated in the posting)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 31, 2026. First seen by Alion on Oct 30, 2026.

Overview
Company
Impact
Profile match

TSU

Join the TSU family and start your path to success. With 100+ programs, expert faculty, and a diverse, empowering campus—your future starts here.

At Motiva, our employees’ energy, passion, and dedication to excellence are what make us who we are and what allows us to generate energy that makes a house a home, gets us from point A to point B, and enables our health and wellbeing. We invest in every aspect of our employees’ lives because, at Motiva, our people matter.

Headquartered in Houston, Texas, Motiva refines, distributes and markets petroleum products throughout the Americas. The company’s Port Arthur Manufacturing Complex in Port Arthur, TX, is comprised of North America’s largest refinery with a total throughput of 720,000 barrels per day, the largest base oil plant in the western hemisphere, and an integrated chemical plant. Under exclusive long-term brand licenses with Shell and Phillips 66 (for the 76® brand), Motiva’s commercial operations supply more than 12 billion gallons of fuel to customers annually. Motiva is wholly owned by Aramco, one of the world’s largest integrated energy and chemicals companies.

Position Overview:

The Associate Operational Technology Specialist - Cybersecurity supports the security, reliability, and availability of Operational Technology (OT) systems at Motiva’s Port Arthur Manufacturing Complex. This role provides technical support for critical OT infrastructure, assists with cybersecurity and system lifecycle activities, and helps maintain the availability and integrity of systems that support safe and reliable operations.

Responsibilities:

  • Monitor and support OT systems and infrastructure, including DCS, PLC, SCADA, IIoT, and associated network components, to maintain system availability and performance.
  • Perform approved patching, vulnerability remediation, anti-virus updates, and other cybersecurity maintenance activities on OT assets.
  • Provide first-level troubleshooting and technical support for OT hardware, software, applications, and connectivity issues, escalating complex issues as appropriate.
  • Support OT cybersecurity reviews, vulnerability evaluations, risk assessments, and remediation activities in coordination with local and enterprise security teams.
  • Assist with OT hardware and software lifecycle activities, including installations, upgrades, equipment refreshes, backups, and secure asset disposal.
  • Monitor system alerts, alarms, network connectivity, and performance to identify and resolve potential technical or cybersecurity issues.
  • Maintain accurate OT system documentation, asset information, procedures, and work instructions to support operational and cybersecurity requirements.
  • Assist with developing OT compliance, cybersecurity, and performance reports using SQL and industry-standard reporting tools.
  • Support OT applications and development activities, including requirements gathering, code reviews, and administration of code repositories.
  • Manage assigned work through the department ticketing system, support OT projects and improvement initiatives, and provide off-hours technical support as needed.

Experience and Qualifications:

Required Education and Experience:

  • Bachelor’s degree in Management Information Systems, or in a similar discipline by December 2026
  • Cumulative 3.0 GPA, or higher
  • Experience with Microsoft Office operating systems
  • Knowledge and experience with custom script development
  • Skilled in troubleshooting and resolving computer issues
  • Experience with utilizing databases and developing queries
  • Excellent written and oral communication skills
  • Ability to learn new IT/OT skills as required

Preferred Education and Experience:

  • 1-3 years of relevant OT experience
  • Knowledge and understanding of cybersecurity programs and frameworks

Physical Requirements:

  • Physical ability to work around and on industrial equipment, including frequent climbing of stairs and ladders
  • Ability to wear Personal Protective Equipment (PPE) in designated areas (respirator, hard hat, safety glasses, gloves, heeled boots, and hearing protection)

We reserve the right to amend or withdraw Motiva jobs at any time, including prior to the closing date. Depending on qualifications, the successful candidate may be offered a position at a more appropriate level and/or grade.

Applicants for regular U.S. positions must be authorized to work in the United States for Motiva Enterprises LLC without the need for sponsorship of an immigration authorization or visa (for example, TN, H-1B, or other employment-based immigration authorization or visa).

Motiva participates in E-Verify.

All qualified applicants will receive consideration for employment without regard to race, color, sex, national origin, age, religion, disability, sexual orientation, gender identity, protected veteran status, citizenship, genetic information, or other protected status under federal, state, or local laws.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,068,630 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Security
Similar stack
Same company
Port Arthur
$36k per year · In office · Internship · Boise
Apply
≈ $86k – $165k per year (Estimated) · In office · Full-Time · 4+ years exp · High School Diploma · New York
Apply
≈ $86k – $165k per year (Estimated) · In office · Full-Time · 4+ years exp · High School Diploma · New York
Apply
≈ $84k – $161k per year (Estimated) · In office · Full-Time · 4+ years exp · High School Diploma · Brooklyn
AI/ML
Red Teaming
Apply
≈ $86k – $165k per year (Estimated) · In office · Full-Time · 4+ years exp · High School Diploma · New York
Cybersecurity
OWASP
Apply
Python Developer 1 hour ago
≈ $17k – $40k per year (Estimated) · In office · 7+ years exp · Bengaluru
Python
SQL
Python
Flask
FastAPI
Django
Databases
MySQL
PostgreSQL
DevOps
Rest API
Azure
Git
AWS
Analytics
ETL/ELT
Apply
≈ $21k – $42k per year (Estimated) · In office · 4+ years exp · Pune
Python
SQL
Python
FastAPI
AI/ML
LangGraph
AutoGen
LangChain
Embeddings
Prompt Engineering
AI Agents
NLP
CrewAI
LLM
RAG
Machine Learning
DevOps
Azure
CI/CD
Git
AWS
Docker
Management
Agile
Apply
≈ $6.5k – $14k per year (Estimated) · Remote (India) · 1+ year exp · India
SQL
Analytics
Tableau
Power BI
Apply
≈ $9.5k – $22k per year (Estimated) · In office · 5+ years exp · Bengaluru
Python
Java
SQL
Java
Spring Boot
Databases
PostgreSQL
Apache Kafka
DevOps
Rest API
GCP
Azure
CI/CD
AWS
Docker
Kubernetes
Apply
≈ $58k – $104k per year (Estimated) · In office · Full-Time · 1+ year exp · Bachelor's Degree · Port Arthur
Apply
Process Operator 7 days ago
≈ $38k – $85k per year (Estimated) · In office · Full-Time · High School Diploma · Port Arthur
Apply
≈ $78k – $180k per year (Estimated) · In office · Full-Time · 8+ years exp · Bachelor's Degree · Houston
DevOps
Incident Management
Management
Service Desk
Apply
≈ $100k – $222k per year (Estimated) · In office · Full-Time · 8+ years exp · Master's Degree · Houston
AI/ML
LLM
Apply
≈ $65k – $177k per year (Estimated) · In office · Full-Time · 10+ years exp · Bachelor's Degree · Houston
Analytics
Power BI
Apply
Operator I 1 day ago
≈ $36k – $80k per year (Estimated) · In office · Full-Time · High School Diploma · Port Arthur
Apply
≈ $51k – $103k per year (Estimated) · In office · 10+ years exp · Port Arthur
Apply
≈ $51k – $103k per year (Estimated) · In office · 10+ years exp · Port Arthur
Apply
$80k – $100k per year · In office · 5+ years exp · High School Diploma · Port Arthur
Apply
$26k – $28k per year · In office · High School Diploma · Port Arthur
Apply
See all jobs
This is one of many
2,068,630 more open roles from verified company boards, updated every day.