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Added 2 mins ago
Principal/ Sr Principal Mission Assurance Engineer - 18208
Northrop Grumman
Huntsville
Northrop Grumman Defense Systems is seeking a Principal/Sr. Principal Mission Assurance Engineer to support the SLCM-N Program Quality & Mission Assurance Team in Huntsville, AL. This role…
Added 2 mins ago
Sr. Principal System Engineer - USAF IFC Manager
Northrop Grumman
San Diego
Northrop Grumman Aeronautics Systems has an opening for a Senior Principal Systems Engineer to join our team of qualified, diverse individuals within our Systems Engineering organization,…
Added 2 mins ago
Principal / Sr. Principal Engineer Software Quality
Northrop Grumman
Los Angeles
We are looking for you to join our team as a Principal Engineer Software Quality / Sr. Principal Engineer Software Quality based out of Woodland Hills, CA. This position is fully on-site.
Added 3 mins ago
Principal Engineer Process
Northrop Grumman
Los Angeles
Develops manufacturing processes that are applicable to statistical process control, and has the capability to develop the control plan techniques.
Added 3 mins ago
Senior Principal Systems Engineer *
Northrop Grumman
Fairfax · Morrisville
Northrop Grumman’s Space Systems Sector is seeking a Systems Engineer – Level 4 to join our team in our Fairfax, VA or Morrisville, NC locations.
Added 3 mins ago
*Guidance Navigation Control (GNC) Engineers - Level 3 - TS Cleared (AHT)
Northrop Grumman
Dulles · Gilbert
…to our collaborative teams. As a Guidance, Navigation, and Control (GNC) Engineer Level 3 supporting our Space team, this role can be based at either our Dulles, VA, or Gilbert, AZ…
Added 3 mins ago
Missile Integration Technical Lead - 20695
Northrop Grumman
Roy · Corinne
Northrop Grumman Defense Systems is seeking a Missile Integration Technical Lead - Senior Staff Systems Test Engineer to join the Sentinel program in enhancing the US Space Force’s ICBM…
Added 3 mins ago
Principal Engineer Microelectronic Semiconductors/Sr Principal Engineer Microelectronic Semiconductors
Northrop Grumman
Baltimore
…highest quality. The microelectronics semiconductor manufacturing engineer will support our highly automated SMT manufacturing environment. Manufacturing engineers are the process owners…
Added 3 mins ago
Sr Principal Cyber Software Engineer (J)
Northrop Grumman
Jessup
Northrop Grumman Mission Systems is seeking a Cyber DevOps Engineer to support the Joint Cyber Weapons Common Services (JCWCS) program. JCWCS designs and implements mission applications…
Added 3 mins ago
Cyber Software Engineer (J)
Northrop Grumman
Jessup
Northrop Grumman Mission Systems is seeking a Cyber DevOps Engineer to support the Joint Cyber Weapons Common Services (JCWCS) program. JCWCS designs and implements mission applications…
Added 3 mins ago
Principal Cyber Software Engineer (J)
Northrop Grumman
Jessup
Northrop Grumman Mission Systems is seeking a Cyber DevOps Engineer to support the Joint Cyber Weapons Common Services (JCWCS) program. JCWCS designs and implements mission applications…
Added 3 mins ago
Principal Engineer Manufacturing
Northrop Grumman
Buffalo
We are looking for you to join our team as an Principal Engineer Manufacturing out of Buffalo, NY. Amherst Systems Operating Unit (OU) is an organization focused on the development and…
Added 3 mins ago
Principal Engineer Manufacturing
Northrop Grumman
Sunnyvale
Northrop Grumman Mission Systems (NGMS) is looking for you to join our team as a Principal Manufacturing Engineer based out of Sunnyvale, CA.
Added 3 mins ago
Principal or Sr. Principal DevOps Engineer
Northrop Grumman
Baltimore
Facilitating and documenting configuration/control board meetings; creating build, release, and delivery documentation; and supporting process-improvement initiatives
Added 3 mins ago
Sentinel - Systems Engineer / Principal Systems Engineer - 20060
Northrop Grumman
Roy · Huntsville
Northrop Grumman Defense has an opening for a Systems Engineer (level 2)/Principal Systems Engineer (level 3) to support a Futures Program within the Command Systems Business Unit (BU)…
Added 4 mins ago
Lead, Systems Engineer
Sony Pictures Ent Inc
Culver City, CA
Participate in the change control, production acceptance and event management processes.
Added 4 mins ago
Lead Engineer, Identity Management
Sony Pictures Ent Inc
Culver City, CA
The Lead Engineer, Identity Management is responsible for the design, engineering, and operational excellence of Sony Pictures Entertainment’s (SPE) enterprise Identity and Access…
Added 6 mins ago
Senior Software Engineer, AI & Infrastructure Planning
Cloudflare
Austin, TX
The Snr Software Engineer, AI & Infrastructure Planning role helps Cloudflare build, deploy, and operate one of the world's largest distributed networks. You will build an auditable…
Added 7 mins ago
Transducer Engineer
SLB
Coraopolis
The Transducer Engineer is responsible for sustaining existing transducer products and supporting technical investigations, testing, and product improvements. This role plays a key part in…
Added 8 mins ago
Sr. GNC Engineer / Tracking & Estimation
Mavensoft Technologies, LLC.
Chandler, AZ
Tittle : Guidance Navigation Control Engineer III
Added 8 mins ago
Principal GNC Engineer - Tracking & Estimation
Mavensoft Technologies, LLC.
Chandler, AZ
Tittle : Guidance Navigation Control Engineer III
Added 8 mins ago
Associate GNC Engineer
Mavensoft Technologies, LLC.
Chandler, AZ
Tittle : Guidance Navigation Control Engineer II
Added 11 mins ago
Resident Engineer - 100% Travel
Parsons Technical Services, Inc.
CO · UT · WY · ID · OR · WA
Parsons is looking for an amazingly talented Resident Engineer to join our team in the Northwest Mountain Region. In this role you will get to perform routine and well-defined quality…
Added 12 mins ago
Lead Electrical Engineer
Worley
BC, CA
We are currently recruiting for a Lead Electrical Engineer. Our team includes world class experts and dynamic go-getters. This is a full-time position based in Vancouver, British Columbia.
Added 14 mins ago
Distinguished Platform Engineer
ServiceNow
Santa Clara, CA
It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could…

Valero

Sr. Staff Advanced Process Control Engineer

San Antonio, TX, United States

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Job details

Experience: 15 years of process control engineering experience in the Refining industry with extensive demonstrated hands-on APC implementation experience, required.
Posting language: English
Posted: Nov 4, 2026

Original job description

Valero is the best-in-class producer of essential fuels and products that are foundational to modern life. We invite you to join our ~10,000 employees to drive exceptional results for our company, the energy industry and our community. A Sr. Staff Advanced Process Control Engineer serves as a corporate resource for implementing and maintaining Advanced Process Control (APC) applications on typical units across multiple refineries, supporting APC and similar advanced control applications and interfaces to DCS systems, and consulting with site resources on APC and related issues. This role spends a significant percentage of time working onsite at the various refineries conducting pretests, step tests, inferential sensor development, application commissioning, troubleshooting and operator training activities related to the implementation of APC applications. At Valero, this role performs duties that support our commitment to advancing the future of energy through innovation, ingenuity, and unmatched execution, including:

Designs and implements the optimization and maintenance of Aspen DMCplus for new and existing process units. Includes pre-testing of refinery units, making instrument recommendations, inferential sensor development, DCS loop tuning, control strategy improvement, step testing, model development, commissioning, troubleshooting and operator/engineer training for the APC applications.
Manages multiple parallel projects at a refinery with a mix of site and contract resources.
Hosts/leads APC network meetings.
Assists sites in developing and generating corporate monetary and utilization metrics.
Develops, modifies and audits corporate APC standards.
Assists and/or leads corporate-sponsored APC training activities.

This position is salaried exempt status, which means you are not eligible for overtime pay.

Minimum Requirements:

Bachelor’s or higher level degree in Chemical Engineering (or similar discipline), required.
15 years of process control engineering experience in the Refining industry with extensive demonstrated hands-on APC implementation experience, required.
Must be able to travel up to 30% of time domestically and/or internationally as required.
Able and willing to work on-site, in-person at the Valero San Antonio location, required.

Preferred Requirements:

Master's degree or Ph.D. in Chemical Engineering (or similar discipline), preferred.
Experience with latest versions of DMC3 Builder (9 and 10) and related products as mentioned above, preferred.
Large unit/multi-unit real-time optimization experience, preferred.
Experience with AI tools such as neural networks, preferred.

Need more reasons to work for a company that is both professionally challenging and culturally rewarding? Take a look at some of our best-in-class benefits:

Competitive Pay and Annual Bonus Program
100% match on 401(K) up to 7%, with immediate vesting
Company-sponsored Pension Plan
Comprehensive Healthcare and Wellness Programs
Onsite Daycare Center
Onsite Employee and Family Wellness Centers (Physician & Pediatrician)
Onsite Pharmacy
State-of-the-art 24-hour Fitness Center free for employees and spouses with access to Tennis and Basketball Facilities
Onsite cafeteria open for breakfast and lunch
Sprawling campus with walking paths and access to biking trails

Benefits described above are highlights only, subject to an employee’s eligibility and work location. All successful candidates must be eligible to obtain a TWIC card (Transportation Worker Identification Credential). It is Valero’s policy that employees must wear this card at all times while working at the refinery. Please review eligibility criteria at https://www.tsa.gov/for-industry/twic. Position level and salary will be commensurate with qualifications and experience. Valero's employees and team-focused culture drive our success. We’re invested in our dedicated workforce through a comprehensive, customizable benefits package, while supporting a caring culture that delivers a rewarding work environment built on teamwork, excellence and career growth. To explore the ways we build a stronger team, visit Valero.com/Careers. Valero is an EEO Employer. All qualified applicants are encouraged to apply and will receive consideration for employment without regard to legally protected status, including race, color, religion, sex, national origin, age, disability, protected veteran or any other status protected by applicable federal, state or local laws. Please be advised, if you are viewing this position on a website that lists an estimated salary rate/range, it was not provided by Valero. Valero’s market specific salary rate/range will be provided during the recruiting process and tends to be higher than what is estimated by such websites. The posting may close earlier than the advertised date based on applications received. Note: Valero’s pre-employment process includes successful completion of a background check and hair-analysis drug screen.

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Skills

Control engineering
DCS
Troubleshooting
Chemical engineering
Teamwork
Recruitment

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